diff --git a/docs/changes.md b/docs/changes.md
index 591218a4..b9b6e1d5 100644
--- a/docs/changes.md
+++ b/docs/changes.md
@@ -27,6 +27,7 @@
 ---
 ### `plotter.py`
 
+- removed global functions `closeWindow()` `ion()` `ioff()`, `plotter.load()`
 - added `record()` and `play()` to store and playback camera and all other events
 - keyword `interactorStyle` becomes now `mode`
 
diff --git a/examples/basic/mousehover.py b/examples/basic/mousehover.py
index 36efad57..f7653e01 100644
--- a/examples/basic/mousehover.py
+++ b/examples/basic/mousehover.py
@@ -3,29 +3,28 @@
 Press c to clear the path"""
 from vedo import *
 
-def func(evt):                      ### called every time the mouse moves!
-    if not evt.actor: return        # no hits, return. (NB: evt is a dictionary)
-    pt = evt.picked3d               # 3d coords of picked point under mouse
+def func(evt):                       ### called every time mouse moves!
+    msh = evt.actor
+    if not msh: return               # no mouse hits, return.
+    pt = evt.picked3d                # 3d coords of point under mouse
 
-    pid = evt.actor.closestPoint(pt, returnPointId=True)
+    pid = msh.closestPoint(pt, returnPointId=True)
     txt = f"Point:  {precision(pt[:2]  ,2)}\n" \
           f"Height: {precision(arr[pid],3)}\n" \
           f"Ground speed: {precision(evt.speed3d*100,2)}"
     arw = Arrow(pt - evt.delta3d, pt, s=0.001, c='orange5')
-    vig = evt.actor.vignette(txt, point=pt, offset=(0.4,0.6),
-                             s=0.04, c='k', font="VictorMono").followCamera()
-    msg.text(txt)                   # update text message
-    if len(plt.actors)>3:
-        plt.pop()                   # remove the old vignette
-    plt.add([arw, vig])             # add Arrow and the new vig
+    vig = msh.vignette(txt, point=pt, offset=(0.4,0.6),
+                       s=0.04, c='k', font="VictorMono").followCamera()
+    msg.text(txt)                    # update text message
+    if len(plt.actors)>3: plt.pop()  # remove the old vignette
+    plt.add([arw, vig])              # add Arrow and the new vignette
 
+msg = Text2D(pos='bottom-left', font="VictorMono") # an empty text
 hil = ParametricShape('RandomHills').cmap('terrain').addScalarBar()
-arr = hil.getPointArray("Scalars")
+arr = hil.getPointArray("Scalars")   # numpy array with heights
 
 plt = Plotter(axes=1, bg2='lightblue')
-plt.addCallback('mouse moving', func)  # the callback function
-plt.addCallback('keyboard', lambda e: plt.remove(plt.actors[3:], render=True))
-
-msg = Text2D("", pos='bottom-left', font="VictorMono")
-
+plt.addCallback('mouse move', func)  # add the callback function
+plt.addCallback('keyboard', lambda e: plt.remove(plt.actors[3:]).render())
 plt.show(hil, msg, __doc__, viewup='z')
+
diff --git a/examples/other/wx_window2.py b/examples/other/wx_window2.py
new file mode 100644
index 00000000..89ce38cd
--- /dev/null
+++ b/examples/other/wx_window2.py
@@ -0,0 +1,45 @@
+import wx
+import vedo
+from vtk.wx.wxVTKRenderWindowInteractor import wxVTKRenderWindowInteractor
+
+##################################################### wx app
+app = wx.App(False)
+frame = wx.Frame(None, -1, "vedo with wxpython", size=(800,800))
+widget = wxVTKRenderWindowInteractor(frame, -1)
+sizer = wx.BoxSizer(wx.VERTICAL)
+sizer.Add(widget, 1, wx.EXPAND)
+frame.SetSizer(sizer)
+frame.Layout()
+widget.Enable(1)
+widget.AddObserver("ExitEvent", lambda o,e,f=frame: f.Close())
+
+##################################################### vedo
+def funcMove(event):
+    mesh = event.actor
+    if not mesh: return
+
+    ptid = mesh.closestPoint(event.picked3d, returnPointId=True)
+    txt = f"Probed point:\n{vedo.utils.precision(event.picked3d, 3)}\n" \
+          f"value = {vedo.utils.precision(arr[ptid], 2)}"
+
+    vpt = vedo.shapes.Sphere(mesh.points(ptid), r=0.01, c='orange2').pickable(False)
+    vig = vpt.vignette(txt, s=.05, offset=(0.5,0.5), font="VictorMono").followCamera()
+
+    msg.text(txt)               # update the 2d text message
+    plt.remove(plt.actors[-2:]).add([vpt, vig]) # remove last 2 objects, add the new ones
+    widget.Render()             # need to manually call Render
+
+msg = vedo.Text2D(pos='bottom-left', font="VictorMono")
+msh = vedo.shapes.ParametricShape("RandomHills").cmap('terrain')
+axs = vedo.Axes(msh)
+arr = msh.getPointArray("Scalars")
+
+plt = vedo.Plotter(bg='moccasin', bg2='blue9', wxWidget=widget)
+plt.add([msh, axs, msg]).resetCamera()
+plt.actors += [None,None,None]  # place holder for sphere, vignette, text2d
+plt.addCallback('MouseMove', funcMove)
+
+#####################################################
+# Show everything
+frame.Show()
+app.MainLoop()
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
index 5ed5fb38..63af65c7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1 +1,3 @@
-vtk==8.1.2,>=7
+vtk
+Deprecated
+
diff --git a/vedo/__init__.py b/vedo/__init__.py
index ad0a2073..f43b6fbd 100644
--- a/vedo/__init__.py
+++ b/vedo/__init__.py
@@ -47,7 +47,3 @@
 settings._init()
 ###########################################################################
 
-
-def CubicGrid(*args, **kwargs):
-    print("*** CubicGrid is obsolete: use TessellatedBox. ***")
-    return TessellatedBox(*args, **kwargs)
diff --git a/vedo/addons.py b/vedo/addons.py
index 60779542..944e6bc4 100644
--- a/vedo/addons.py
+++ b/vedo/addons.py
@@ -27,7 +27,6 @@
             "addSlider3D",
             "addButton",
             "addCutterTool",
-            "addSplineTool",
             "addIcon",
             "LegendBox",
             "Light",
@@ -248,7 +247,6 @@ def __init__(self, points, pc='k', ps=8, lc='r4', ac='g5', lw=2, closed=False, o
         ontop : bool, optional
             show it always on top of other objects. The default is True.
         """
-
         vtk.vtkContourWidget.__init__(self)
 
         self.representation = vtk.vtkOrientedGlyphContourRepresentation()
@@ -470,55 +468,6 @@ def Light(
 
 
 #####################################################################
-def addSplineTool(plotter, points, pc='k', ps=8, lc='r4', ac='g5',
-                  lw=2, closed=False, interactive=True):
-    """
-    Add a spline tool to the current plotter. Nodes of the spline can be dragged in space
-    with the mouse.
-    Clicking on the line itself adds an extra point.
-    Selecting a point and pressing ``del`` removes it.
-
-    Parameters
-    ----------
-    points : Mesh, Points, array
-        the set of vertices forming the spline nodes.
-    pc : str, optional
-        point color. The default is 'k'.
-    ps : str, optional
-        point size. The default is 8.
-    lc : str, optional
-        line color. The default is 'r4'.
-    ac : str, optional
-        active point marker color. The default is 'g5'.
-    lw : int, optional
-        line width. The default is 2.
-    closed : bool, optional
-        spline is meant to be closed. The default is False.
-
-    Returns
-    -------
-    SplineTool object.
-    """
-    sw = SplineTool(points, pc, ps, lc, ac, lw, closed)
-    if plotter.interactor:
-        sw.SetInteractor(plotter.interactor)
-    else:
-        printc("Error in addSplineTool: no interactor found.", c='r')
-        raise RuntimeError
-    sw.On()
-    sw.Initialize(sw.points.polydata())
-    if sw.closed:
-        sw.representation.ClosedLoopOn()
-    sw.representation.SetRenderer(plotter.renderer)
-    sw.representation.BuildRepresentation()
-    sw.Render()
-    if interactive:
-        plotter.interactor.Start()
-    else:
-        plotter.interactor.Render()
-    return sw
-
-
 def addScalarBar(obj,
                  title="",
                  pos=(0.8,0.05),
@@ -1580,8 +1529,8 @@ def Ruler(
     |goniometer| |goniometer.py|_
     """
     if unitScale != 1.0 and units == "":
-        raise ValueError(f"When setting 'unitScale' to a value other than 1, "
-                         f"a 'units' arguments must be specified.")
+        raise ValueError("When setting 'unitScale' to a value other than 1, " +
+                         "a 'units' arguments must be specified.")
 
     if isinstance(p1, Points): p1 = p1.GetPosition()
     if isinstance(p2, Points): p2 = p2.GetPosition()
diff --git a/vedo/applications.py b/vedo/applications.py
index 0f26524f..11b8b227 100644
--- a/vedo/applications.py
+++ b/vedo/applications.py
@@ -1,5 +1,5 @@
 import vedo
-from vedo.addons import addScalarBar, addGlobalAxes
+from vedo.addons import addScalarBar
 from vedo.plotter import Plotter
 from vedo.pyplot import cornerHistogram
 from vedo.utils import mag, precision, linInterpolate, isSequence
@@ -532,20 +532,21 @@ def sliderfunc(widget, event=None):
 class FreeHandCutPlotter(Plotter):
     """
     A Plotter derived class which edits polygonal meshes interactively.
-    Can also be invoked from command line. E.g. with:
+    Can also be invoked from command line. E.g. with
+        
     ``vedo --edit https://vedo.embl.es/examples/data/porsche.ply``
 
-    Usage
-    -----
-    - Left-click and hold to rotate
-    - Right-click and move to draw line
-    - Second right-click to stop drawing
-    - Press c to clear points
-    -       z/Z to cut mesh (Z inverts inside-out the selection area)
-    -       L to keep only the largest connected surface
-    -       s to save mesh to file (tag _edited is appended to filename)
-    -       u to undo last action
-    -       h for help, i for info
+    Usage:
+            
+        - Left-click and hold to rotate
+        - Right-click and move to draw line
+        - Second right-click to stop drawing
+        - Press c to clear points
+        -       z/Z to cut mesh (Z inverts inside-out the selection area)
+        -       L to keep only the largest connected surface
+        -       s to save mesh to file (tag _edited is appended to filename)
+        -       u to undo last action
+        -       h for help, i for info
 
     Parameters
     ----------
diff --git a/vedo/colors.py b/vedo/colors.py
index 740e0c88..45bcdc04 100644
--- a/vedo/colors.py
+++ b/vedo/colors.py
@@ -33,6 +33,13 @@
     # see below, this is dealt with in colorMap()
 
 
+red   = '\x1b[1m\x1b[31;1m'
+green = '\x1b[1m\x1b[32;1m'
+blue  = '\x1b[1m\x1b[34;1m'
+yellow= '\x1b[1m\x1b[33;1m'
+reset = "\x1b[0m"
+
+
 #########################################################
 # basic color schemes
 #########################################################
@@ -445,7 +452,6 @@
     "viridis",   "viridis_r",   "winter",     "winter_r"
 )
 
-
 def _isSequence(arg):
     # Check if input is iterable.
     if hasattr(arg, "strip"):
diff --git a/vedo/docs.py b/vedo/docs.py
index 82c9a607..0d51b5a8 100644
--- a/vedo/docs.py
+++ b/vedo/docs.py
@@ -90,1238 +90,17 @@ def tips():
 </font></body>
 </html>
 """
-####################################################################################
 
 
 ####################################################################################
 _defs = ""
-####################################################################################
-
-# _defs = """
-
-# .. |thinplate_grid.py| replace:: thinplate_grid.py
-# .. _thinplate_grid.py: https://github.com/marcomusy/vedo/tree/master/examples/advanced/thinplate_grid.py
-# .. |thinplate_grid| image:: https://user-images.githubusercontent.com/32848391/51433540-d188b380-1c4c-11e9-81e7-a1cf4642c54b.png
-#     :width: 200 px
-#     :target: thinplate_grid.py_
-#     :alt: thinplate_grid.py
-
-# .. |gyroscope2.py| replace:: gyroscope2.py
-# .. _gyroscope2.py: https://github.com/marcomusy/vedo/tree/master/examples/simulations/gyroscope2.py
-# .. |gyroscope2| image:: https://user-images.githubusercontent.com/32848391/50738942-687b5780-11d9-11e9-97f0-72bbd63f7d6e.gif
-#     :width: 200 px
-#     :target: gyroscope2.py_
-#     :alt: gyroscope2.py
-
-# .. |trail.py| replace:: trail.py
-# .. _trail.py: https://github.com/marcomusy/vedo/tree/master/examples/simulations/trail.py
-# .. |trail| image:: https://user-images.githubusercontent.com/32848391/58370826-4aee2680-7f0b-11e9-91e6-3120770cfede.gif
-#     :width: 200 px
-#     :target: trail.py_
-#     :alt: trail.py
-
-# .. |fillholes.py| replace:: fillholes.py
-# .. _fillholes.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/fillholes.py
-
-# .. |quadratic_morphing.py| replace:: quadratic_morphing.py
-# .. _quadratic_morphing.py: https://github.com/marcomusy/vedo/tree/master/examples/advanced/quadratic_morphing.py
-# .. |quadratic_morphing| image:: https://user-images.githubusercontent.com/32848391/50738890-db380300-11d8-11e9-9cef-4c1276cca334.jpg
-#     :width: 200 px
-#     :target: quadratic_morphing.py_
-#     :alt: quadratic_morphing.py
-
-# .. |align1.py| replace:: align1.py
-# .. _align1.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/align1.py
-# .. |align1| image:: https://user-images.githubusercontent.com/32848391/50738875-c196bb80-11d8-11e9-8bdc-b80fd01a928d.jpg
-#     :width: 200 px
-#     :target: align1.py_
-#     :alt: align1.py
-
-# .. |align2.py| replace:: align2.py
-# .. _align2.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/align2.py
-# .. |align2| image:: https://user-images.githubusercontent.com/32848391/50738874-c196bb80-11d8-11e9-9587-2177d1680b70.jpg
-#     :width: 200 px
-#     :target: align2.py_
-#     :alt: align2.py
-
-# .. |mirror.py| replace:: mirror.py
-# .. _mirror.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/mirror.py
-# .. |mirror| image:: https://user-images.githubusercontent.com/32848391/50738855-bf346180-11d8-11e9-97a0-c9aaae6ce052.jpg
-#     :target: mirror.py_
-#     :alt: mirror.py
-
-# .. |shrink.py| replace:: shrink.py
-# .. _shrink.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/shrink.py
-# .. |shrink| image:: https://user-images.githubusercontent.com/32848391/46819143-41042280-cd83-11e8-9492-4f53679887fa.png
-#     :width: 200 px
-#     :target: shrink.py_
-#     :alt: shrink.py
-
-# .. |aspring.py| replace:: aspring.py
-# .. _aspring.py: https://github.com/marcomusy/vedo/tree/master/examples/simulations/aspring.py
-# .. |aspring| image:: https://user-images.githubusercontent.com/32848391/36788885-e97e80ae-1c8f-11e8-8b8f-ffc43dad1eb1.gif
-#     :width: 200 px
-#     :target: aspring.py_
-#     :alt: aspring.py
-
-# .. |delaunay2d.py| replace:: delaunay2d.py
-# .. _delaunay2d.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/delaunay2d.py
-# .. |delaunay2d| image:: https://user-images.githubusercontent.com/32848391/50738865-c0658e80-11d8-11e9-8616-b77363aa4695.jpg
-#     :width: 200 px
-#     :target: delaunay2d.py_
-#     :alt: delaunay2d.py
-
-# .. |moving_least_squares1D.py| replace:: moving_least_squares1D.py
-# .. _moving_least_squares1D.py: https://github.com/marcomusy/vedo/tree/master/examples/advanced/moving_least_squares1D.py
-# .. |moving_least_squares1D| image:: https://user-images.githubusercontent.com/32848391/50738937-61544980-11d9-11e9-8be8-8826032b8baf.jpg
-#     :width: 200 px
-#     :target: moving_least_squares1D.py_
-#     :alt: moving_least_squares1D.py
-
-# .. |recosurface.py| replace:: recosurface.py
-# .. _recosurface.py: https://github.com/marcomusy/vedo/tree/master/examples/advanced/recosurface.py
-# .. |recosurface| image:: https://user-images.githubusercontent.com/32848391/46817107-b3263880-cd7e-11e8-985d-f5d158992f0c.png
-#     :target: recosurface.py_
-#     :alt: recosurface.py
-
-# .. |fatlimb.py| replace:: fatlimb.py
-# .. _fatlimb.py: https://github.com/marcomusy/vedo/tree/master/examples/advanced/fatlimb.py
-# .. |fatlimb| image:: https://user-images.githubusercontent.com/32848391/50738945-7335ec80-11d9-11e9-9d3f-c6c19df8f10d.jpg
-#     :width: 200 px
-#     :target: fatlimb.py_
-#     :alt: fatlimb.py
-
-# .. |largestregion.py| replace:: largestregion.py
-# .. _largestregion.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/largestregion.py
-
-# .. |fitplanes.py| replace:: fitplanes.py
-# .. _fitplanes.py: https://github.com/marcomusy/vedo/tree/master/examples/advanced/fitplanes.py
-
-# .. |mesh_coloring.py| replace:: mesh_coloring.py
-# .. _mesh_coloring.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/mesh_coloring.py
-# .. |mesh_coloring| image:: https://user-images.githubusercontent.com/32848391/50738856-bf346180-11d8-11e9-909c-a3f9d32c4e8c.jpg
-#     :width: 200 px
-#     :target: mesh_coloring.py_
-#     :alt: mesh_coloring.py
-
-# .. |mesh_alphas.py| replace:: mesh_alphas.py
-# .. _mesh_alphas.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/mesh_alphas.py
-# .. |mesh_alphas| image:: https://user-images.githubusercontent.com/32848391/50738857-bf346180-11d8-11e9-80a1-d283aed0b305.jpg
-#     :width: 200 px
-#     :target: mesh_alphas.py_
-#     :alt: mesh_alphas.py
-
-# .. |mesh_custom.py| replace:: mesh_custom.py
-# .. _mesh_custom.py: https://github.com/marcomusy/vedo/tree/master/examples/mesh_custom.py
-# .. |mesh_custom| image:: https://user-images.githubusercontent.com/32848391/51390972-20d9c180-1b31-11e9-955d-025f1ef24cb7.png
-#     :width: 200 px
-#     :target: mesh_custom.py_
-#     :alt: mesh_custom.py
-
-# .. |connVtx.py| replace:: connVtx.py
-# .. _connVtx.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/connVtx.py
-# .. |connVtx| image:: https://user-images.githubusercontent.com/32848391/51558919-ec436e00-1e80-11e9-91ac-0787c35fc20e.png
-#     :width: 200 px
-#     :target: connVtx.py_
-#     :alt: connVtx.py
-
-# .. |spherical_harmonics1.py| replace:: spherical_harmonics1.py
-# .. _spherical_harmonics1.py: https://github.com/marcomusy/vedo/tree/master/examples/other/spherical_harmonics1.py
-
-# .. |spherical_harmonics2.py| replace:: spherical_harmonics2.py
-# .. _spherical_harmonics2.py: https://github.com/marcomusy/vedo/tree/master/examples/other/spherical_harmonics2.py
-
-# .. |skeletonize.py| replace:: skeletonize.py
-# .. _skeletonize.py: https://github.com/marcomusy/vedo/tree/master/examples/advanced/skeletonize.py
-# .. |skeletonize| image:: https://user-images.githubusercontent.com/32848391/46820954-c5f13b00-cd87-11e8-87aa-286528a09de8.png
-#     :target: spherical_harmonics2.py_
-#     :alt: skeletonize.py
-
-# .. |gyroscope1.py| replace:: gyroscope1.py
-# .. _gyroscope1.py: https://github.com/marcomusy/vedo/tree/master/examples/simulations/gyroscope1.py
-# .. |gyroscope1| image:: https://user-images.githubusercontent.com/32848391/39766016-85c1c1d6-52e3-11e8-8575-d167b7ce5217.gif
-#     :width: 200 px
-#     :target: gyroscope1.py_
-#     :alt: gyroscope1.py
-
-# .. |icon.py| replace:: icon.py
-# .. _icon.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/icon.py
-# .. |icon| image:: https://user-images.githubusercontent.com/32848391/50739009-2bfc2b80-11da-11e9-9e2e-a5e0e987a91a.jpg
-#     :width: 200 px
-#     :target: icon.py_
-
-# .. |lights.py| replace:: lights.py
-# .. _lights.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/lights.py
-#     :width: 200 px
-#     :target: lights.py_
-#     :alt: lights.py
-
-# .. |lorenz.py| replace:: lorenz.py
-# .. _lorenz.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/lorenz.py
-# .. |lorenz| image:: https://user-images.githubusercontent.com/32848391/46818115-be7a6380-cd80-11e8-8ffb-60af2631bf71.png
-#     :width: 200 px
-#     :target: lorenz.py_
-#     :alt: lorenz.py
-
-# .. |sliders1.py| replace:: sliders1.py
-# .. _sliders1.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/sliders1.py
-# .. |sliders1| image:: https://user-images.githubusercontent.com/32848391/50738848-be033480-11d8-11e9-9b1a-c13105423a79.jpg
-#     :width: 200 px
-#     :target: sliders1.py_
-#     :alt: sliders1.py
-
-# .. |sliders2.py| replace:: sliders2.py
-# .. _sliders2.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/sliders2.py
-
-# .. |buttons.py| replace:: buttons.py
-# .. _buttons.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/buttons.py
-# .. |buttons| image:: https://user-images.githubusercontent.com/32848391/50738870-c0fe2500-11d8-11e9-9b78-92754f5c5968.jpg
-#     :width: 200 px
-#     :target: buttons.py_
-#     :alt: buttons.py
-
-# .. |cutter.py| replace:: cutter.py
-# .. _cutter.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/cutter.py
-# .. |cutter| image:: https://user-images.githubusercontent.com/32848391/50738866-c0658e80-11d8-11e9-955b-551d4d8b0db5.jpg
-#     :width: 200 px
-#     :target: cutter.py_
-#     :alt: cutter.py
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-# .. |makeVideo.py| replace:: makeVideo.py
-# .. _makeVideo.py: https://github.com/marcomusy/vedo/tree/master/examples/other/makeVideo.py
-# .. |makeVideo| image:: https://user-images.githubusercontent.com/32848391/50739007-2bfc2b80-11da-11e9-97e6-620a3541a6fa.jpg
-#     :width: 200 px
-#     :target: makeVideo.py_
-#     :alt: makeVideo.py
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-# .. |fitspheres1.py| replace:: fitspheres1.py
-# .. _fitspheres1.py: https://github.com/marcomusy/vedo/tree/master/examples/advanced/fitspheres1.py
-
-# .. |fitspheres2.py| replace:: fitspheres2.py
-# .. _fitspheres2.py: https://github.com/marcomusy/vedo/tree/master/examples/advanced/fitspheres2.py
-# .. |fitspheres2| image:: https://user-images.githubusercontent.com/32848391/50738943-687b5780-11d9-11e9-87a6-054e0fe76241.jpg
-#     :width: 200 px
-#     :target: fitspheres2.py_
-#     :alt: fitspheres2.py
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-# .. |plot_fxy.py| replace:: plot_fxy.py
-# .. _plot_fxy.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/plot_fxy.py
-# .. |plot_fxy| image:: https://user-images.githubusercontent.com/32848391/36611824-fd524fac-18d4-11e8-8c76-d3d1b1bb3954.png
-#     :width: 200 px
-#     :target: plot_fxy.py_
-#     :alt: plot_fxy.py
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-# .. |histo_hexagonal.py| replace:: histo_hexagonal.py
-# .. _histo_hexagonal.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/histo_hexagonal.py
-# .. |histo_hexagonal| image:: https://user-images.githubusercontent.com/32848391/72434748-b471bc80-379c-11ea-95d7-d70333770582.png
-#     :width: 200 px
-#     :target: histo_hexagonal.py_
-#     :alt: histo_hexagonal.py
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-# .. |histo_1D.py| replace:: histo_1D.py
-# .. _histo_1D.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/histo_1D.py
-# .. |histo_1D| image:: https://user-images.githubusercontent.com/32848391/68141260-77cc4e00-ff2d-11e9-9280-0efc5b87314d.png
-#     :width: 200 px
-#     :target: histo_1D.py_
-#     :alt: histo_1D.py
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-# .. |histo_violin.py| replace:: histo_violin.py
-# .. _histo_violin.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/histo_violin.py
-# .. |histo_violin| image:: https://user-images.githubusercontent.com/32848391/73481240-b55d3d80-439b-11ea-89a4-6c35ecc84b0d.png
-#     :width: 200 px
-#     :target: histo_violin.py_
-#     :alt: histo_violin.py
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-# .. |align3.py| replace:: align3.py
-# .. _align3.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/align3.py
-# .. |align3| image:: https://user-images.githubusercontent.com/32848391/50738873-c196bb80-11d8-11e9-8653-a41108a5f02d.png
-#     :width: 200 px
-#     :target: align3.py_
-#     :alt: align3.py
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-# .. |pca.py| replace:: pca.py
-# .. _pca.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/pca.py
-# .. |pca| image:: https://user-images.githubusercontent.com/32848391/50738852-be9bcb00-11d8-11e9-8ac8-ad9278d9cee0.jpg
-#     :width: 200 px
-#     :target: pca.py_
-#     :alt: pca.py
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-# .. |cell_colony.py| replace:: cell_colony.py
-# .. _cell_colony.py: https://github.com/marcomusy/vedo/tree/master/examples/simulations/cell_colony.py
-# .. |cell_colony| image:: https://user-images.githubusercontent.com/32848391/50738947-7335ec80-11d9-11e9-9a45-6053b4eaf9f9.jpg
-#     :width: 200 px
-#     :target: cell_colony.py_
-#     :alt: cell_colony.py
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-# .. |mesh_smoother1.py| replace:: mesh_smoother1.py
-# .. _mesh_smoother1.py: https://github.com/marcomusy/vedo/tree/master/examples/advanced/mesh_smoother1.py
-# .. |mesh_smoother1| image:: https://user-images.githubusercontent.com/32848391/50738939-67e2c100-11d9-11e9-90cb-716ff3f03f67.jpg
-#     :width: 200 px
-#     :target: mesh_smoother1.py_
-#     :alt: mesh_smoother1.py
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-# .. |moving_least_squares3D.py| replace:: moving_least_squares3D.py
-# .. _moving_least_squares3D.py: https://github.com/marcomusy/vedo/tree/master/examples/advanced/moving_least_squares3D.py
-# .. |moving_least_squares3D| image:: https://user-images.githubusercontent.com/32848391/50738935-61544980-11d9-11e9-9c20-f2ce944d2238.jpg
-#     :width: 200 px
-#     :target: moving_least_squares3D.py_
-#     :alt: moving_least_squares3D.py
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-# .. |moving_least_squares2D.py| replace:: moving_least_squares2D.py
-# .. _moving_least_squares2D.py: https://github.com/marcomusy/vedo/tree/master/examples/advanced/moving_least_squares2D.py
-# .. |moving_least_squares2D| image:: https://user-images.githubusercontent.com/32848391/50738936-61544980-11d9-11e9-9efb-e2a923762b72.jpg
-#     :width: 200 px
-#     :target: moving_least_squares2D.py_
-#     :alt: moving_least_squares2D.py
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-# .. |boolean.py| replace:: boolean.py
-# .. _boolean.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/boolean.py
-# .. |boolean| image:: https://user-images.githubusercontent.com/32848391/50738871-c0fe2500-11d8-11e9-8812-442b69be6db9.png
-#     :width: 200 px
-#     :target: boolean.py_
-#     :alt: boolean.py
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-# .. |surfIntersect.py| replace:: surfIntersect.py
-# .. _surfIntersect.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/surfIntersect.py
-
-# .. |probeLine1.py| replace:: probeLine1.py
-# .. _probeLine1.py: https://github.com/marcomusy/vedo/tree/master/examples/volumetric/probeLine1.py
-# .. |probeLine1| image:: https://user-images.githubusercontent.com/32848391/48198460-3aa0a080-e359-11e8-982d-23fadf4de66f.jpg
-#     :width: 200 px
-#     :target: probeLine1.py_
-#     :alt: probeLine1.py
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-# .. |probeLine2.py| replace:: probeLine2.py
-# .. _probeLine2.py: https://github.com/marcomusy/vedo/tree/master/examples/volumetric/probeLine2.py
-
-# .. |slicePlane.py| replace:: slicePlane.py
-# .. _slicePlane.py: https://github.com/marcomusy/vedo/tree/master/examples/volumetric/slicePlane.py
-# .. |slicePlane| image:: https://user-images.githubusercontent.com/32848391/48198461-3aa0a080-e359-11e8-8c29-18f287f105e6.jpg
-#     :width: 200 px
-#     :target: slicePlane.py_
-#     :alt: slicePlane.py
-
-# .. |volumeOperations.py| replace:: volumeOperations.py
-# .. _volumeOperations.py: https://github.com/marcomusy/vedo/tree/master/examples/volumetric/volumeOperations.py
-# .. |volumeOperations| image:: https://user-images.githubusercontent.com/32848391/48198940-d1ba2800-e35a-11e8-96a7-ffbff797f165.jpg
-#     :width: 200 px
-#     :alt: volumeOperations.py
-
-# .. |clustering.py| replace:: clustering.py
-# .. _clustering.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/clustering.py
-# .. |clustering| image:: https://user-images.githubusercontent.com/32848391/46817286-2039ce00-cd7f-11e8-8b29-42925e03c974.png
-#     :width: 200 px
-#     :target: clustering.py_
-#     :alt: clustering.py
-
-# .. |thinplate_morphing1.py| replace:: thinplate_morphing1.py
-# .. _thinplate_morphing1.py: https://github.com/marcomusy/vedo/tree/master/examples/advanced/thinplate_morphing1.py
-# .. |thinplate_morphing1| image:: https://user-images.githubusercontent.com/32848391/51403917-34495480-1b52-11e9-956c-918c7805a9b5.png
-#     :width: 200 px
-#     :target: thinplate_morphing1.py_
-#     :alt: thinplate_morphing1.py
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-# .. |colorcubes.py| replace:: colorcubes.py
-# .. _colorcubes.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/colorcubes.py
-# .. |colorcubes| image:: https://user-images.githubusercontent.com/32848391/50738867-c0658e80-11d8-11e9-9e05-ac69b546b7ec.png
-#     :width: 200 px
-#     :target: colorcubes.py_
-#     :alt: colorcubes.py
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-# .. |colorpalette.py| replace:: colorpalette.py
-# .. _colorpalette.py: https://github.com/marcomusy/vedo/tree/master/examples/other/colorpalette.py
-# .. |colorpalette| image:: https://user-images.githubusercontent.com/32848391/50739011-2c94c200-11da-11e9-8f36-ede1b2a014a8.jpg
-#     :width: 200 px
-#     :target: colorpalette.py
-#     :alt: colorpalette.py
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-# .. |colormaps| image:: https://user-images.githubusercontent.com/32848391/50738804-577e1680-11d8-11e9-929e-fca17a8ac6f3.jpg
-#     :width: 450 px
-#     :alt: colormaps
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-# .. |colorprint.py| replace:: printc.py
-# .. _colorprint.py: https://github.com/marcomusy/vedo/tree/master/examples/other/printc.py
-# .. |colorprint| image:: https://user-images.githubusercontent.com/32848391/50739010-2bfc2b80-11da-11e9-94de-011e50a86e61.jpg
-#     :target: colorprint.py_
-#     :alt: colorprint.py
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-# .. |ribbon.py| replace:: ribbon.py
-# .. _ribbon.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/ribbon.py
-# .. |ribbon| image:: https://user-images.githubusercontent.com/32848391/50738851-be9bcb00-11d8-11e9-80ee-bd73c1c29c06.jpg
-#     :width: 200 px
-#     :target: ribbon.py_
-#     :alt: ribbon.py
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-# .. |manyspheres.py| replace:: manyspheres.py
-# .. _manyspheres.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/manyspheres.py
-# .. |manyspheres| image:: https://user-images.githubusercontent.com/32848391/46818673-1f566b80-cd82-11e8-9a61-be6a56160f1c.png
-#     :target: manyspheres.py_
-
-# .. |manypoints.py| replace:: manypoints.py
-# .. _manypoints.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/manypoints.py
-
-# .. |earth.py| replace:: earth.py
-# .. _earth.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/earth.py
-# .. |earth| image:: https://user-images.githubusercontent.com/32848391/51031592-5a448700-159d-11e9-9b66-bee6abb18679.png
-#     :width: 200 px
-#     :target: earth.py_
-#     :alt: earth.py
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-# .. |brownian2D.py| replace:: brownian2D.py
-# .. _brownian2D.py: https://github.com/marcomusy/vedo/tree/master/examples/simulations/brownian2D.py
-# .. |brownian2D| image:: https://user-images.githubusercontent.com/32848391/50738948-73ce8300-11d9-11e9-8ef6-fc4f64c4a9ce.gif
-#     :width: 200 px
-#     :target: brownian2D.py_
-
-# .. |gas.py| replace:: gas.py
-# .. _gas.py: https://github.com/marcomusy/vedo/tree/master/examples/simulations/gas.py
-# .. |gas| image:: https://user-images.githubusercontent.com/32848391/50738954-7e891800-11d9-11e9-95aa-67c92ca6476b.gif
-#     :width: 200 px
-#     :target: gas.py_
-#     :alt: gas.py
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-# .. |tube.py| replace:: tube.py
-# .. _tube.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/tube.py
-# .. |tube| image:: https://user-images.githubusercontent.com/32848391/51801626-adc30000-2240-11e9-8866-9d9d5d8790ab.png
-#     :width: 200 px
-#     :target: tube.py_
-#     :alt: tube.py
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-# .. |mesh_threshold.py| replace:: mesh_threshold.py
-# .. _mesh_threshold.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/mesh_threshold.py
-# .. |mesh_threshold| image:: https://user-images.githubusercontent.com/32848391/51807663-4762cf80-228a-11e9-9d0c-184bb11a97bf.png
-#     :width: 200 px
-#     :target: mesh_threshold.py_
-#     :alt: mesh_threshold.py
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-# .. |cutWithMesh1.py| replace:: cutWithMesh1.py
-# .. _cutWithMesh1.py: https://github.com/marcomusy/vedo/tree/master/examples/advanced/cutWithMesh1.py
-# .. |cutWithMesh1| image:: https://user-images.githubusercontent.com/32848391/51808907-e7c0f000-229a-11e9-98a7-fefc7261b3c3.png
-#     :width: 200 px
-#     :target: cutWithMesh1.py_
-#     :alt: cutWithMesh1.py
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-# .. |paraboloid| image:: https://user-images.githubusercontent.com/32848391/51211547-260ef480-1916-11e9-95f6-4a677e37e355.png
-#     :width: 200 px
-#     :alt: paraboloid
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-# .. |isosurfaces.py| replace:: isosurfaces.py
-# .. _isosurfaces.py: https://github.com/marcomusy/vedo/tree/master/examples/volumetric/isosurfaces.py
-# .. |isosurfaces| image:: https://user-images.githubusercontent.com/32848391/51558920-ec436e00-1e80-11e9-9d96-aa9b7c72d58b.png
-#     :width: 200 px
-#     :target: isosurfaces.py_
-#     :alt: isosurfaces.py
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-# .. |meshquality.py| replace:: meshquality.py
-# .. _meshquality.py: https://github.com/marcomusy/vedo/tree/master/examples/advanced/meshquality.py
-# .. |meshquality| image:: https://user-images.githubusercontent.com/32848391/51831269-fb4b7580-22f1-11e9-81ea-13467a5649ca.png
-#     :width: 200 px
-#     :target: meshquality.py_
-#     :alt: meshquality.py
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-# .. |geodesic.py| replace:: geodesic.py
-# .. _geodesic.py: https://github.com/marcomusy/vedo/tree/master/examples/advanced/geodesic.py
-# .. |geodesic| image:: https://user-images.githubusercontent.com/32848391/51855637-015f4780-232e-11e9-92ca-053a558e7f70.png
-#     :width: 200 px
-#     :target: geodesic.py_
-#     :alt: geodesic.py
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-# .. |cutAndCap.py| replace:: cutAndCap.py
-# .. _cutAndCap.py: https://github.com/marcomusy/vedo/tree/master/examples/advanced/cutAndCap.py
-# .. |cutAndCap| image:: https://user-images.githubusercontent.com/32848391/51930515-16ee7300-23fb-11e9-91af-2b6b3d626246.png
-#     :width: 200 px
-#     :target: cutAndCap.py_
-#     :alt: cutAndCap.py
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-# .. |convexHull.py| replace:: convexHull.py
-# .. _convexHull.py: https://github.com/marcomusy/vedo/tree/master/examples/advanced/convexHull.py
-# .. |convexHull| image:: https://user-images.githubusercontent.com/32848391/51932732-068cc700-2400-11e9-9b68-30294a4fa4e3.png
-#     :width: 200 px
-#     :target: convexHull.py_
-#     :alt: convexHull.py
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-# .. |curvature| image:: https://user-images.githubusercontent.com/32848391/51934810-c2e88c00-2404-11e9-8e7e-ca0b7984bbb7.png
-#     :alt: curvature
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-# .. |progbar| image:: https://user-images.githubusercontent.com/32848391/51858823-ed1f4880-2335-11e9-8788-2d102ace2578.png
-#     :alt: progressbar
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-# .. |multiwindows| image:: https://user-images.githubusercontent.com/32848391/50738853-be9bcb00-11d8-11e9-9c8e-69864ad7c045.jpg
-#     :alt: multiwindows
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-# .. |annotations.py| replace:: annotations.py
-# .. _annotations.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/annotations.py
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-# .. |Cone| image:: https://raw.githubusercontent.com/lorensen/VTKExamples/master/src/Testing/Baseline/Cxx/GeometricObjects/TestCone.png
-#     :width: 200 px
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-# .. |Cylinder| image:: https://raw.githubusercontent.com/lorensen/VTKExamples/master/src/Testing/Baseline/Cxx/GeometricObjects/TestCylinder.png
-#     :width: 200 px
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-# .. |Disk| image:: https://raw.githubusercontent.com/lorensen/VTKExamples/master/src/Testing/Baseline/Cxx/GeometricObjects/TestDisk.png
-#     :width: 200 px
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-# .. |OrientedArrow| image:: https://raw.githubusercontent.com/lorensen/VTKExamples/master/src/Testing/Baseline/Cxx/GeometricObjects/TestOrientedArrow.png
-#     :width: 200 px
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-# .. |Plane| image:: https://raw.githubusercontent.com/lorensen/VTKExamples/master/src/Testing/Baseline/Cxx/GeometricObjects/TestPlane.png
-#     :width: 200 px
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-# .. |Polygon| image:: https://raw.githubusercontent.com/lorensen/VTKExamples/master/src/Testing/Baseline/Cxx/GeometricObjects/TestRegularPolygonSource.png
-#     :width: 200 px
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-# .. |Sphere| image:: https://raw.githubusercontent.com/lorensen/VTKExamples/master/src/Testing/Baseline/Cxx/GeometricObjects/TestSphere.png
-#     :width: 200 px
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-# .. |embryoslider| image:: https://user-images.githubusercontent.com/32848391/52141624-975ce000-2656-11e9-8d31-2a3c92ab79d6.png
-#     :width: 200 px
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-# .. |isosurfaces1| image:: https://user-images.githubusercontent.com/32848391/52141625-975ce000-2656-11e9-91fc-291e072fc4c1.png
-#     :width: 200 px
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-# .. |splitmesh.py| replace:: splitmesh.py
-# .. _splitmesh.py: https://github.com/marcomusy/vedo/tree/master/examples/advanced/splitmesh.py
-# .. |splitmesh| image:: https://user-images.githubusercontent.com/32848391/52141626-97f57680-2656-11e9-80ea-fcd3571a6422.png
-#     :width: 200 px
-#     :target: splitmesh.py_
-#     :alt: splitmesh.py
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-# .. |thinplate_morphing2.py| replace:: thinplate_morphing2.py
-# .. _thinplate_morphing2.py: https://github.com/marcomusy/vedo/tree/master/examples/advanced/thinplate_morphing2.py
-# .. |thinplate_morphing2| image:: https://user-images.githubusercontent.com/32848391/52142303-9927a300-2658-11e9-98db-ebad4883f99f.png
-#     :width: 200 px
-#     :target: thinplate_morphing2.py_
-#     :alt: thinplate_morphing2.py
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-# .. |projectsphere.py| replace:: projectsphere.py
-# .. _projectsphere.py: https://github.com/marcomusy/vedo/tree/master/examples/advanced/projectsphere.py
-# .. |projectsphere| image:: https://user-images.githubusercontent.com/32848391/52144163-c9be0b80-265d-11e9-9ce6-d6f2b919c214.png
-#     :width: 200 px
-#     :target: projectsphere.py_
-#     :alt: projectsphere.py
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-# .. |mesh2volume.py| replace:: mesh2volume.py
-# .. _mesh2volume.py: https://github.com/marcomusy/vedo/tree/master/examples/volumetric/mesh2volume.py
-# .. |mesh2volume| image:: https://user-images.githubusercontent.com/32848391/52168902-5638fe80-2730-11e9-8033-8e470a3d4f0f.jpg
-#     :width: 200 px
-#     :target: mesh2volume.py_
-#     :alt: mesh2volume.py
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-# .. |markpoint.py| replace:: markpoint.py
-# .. _markpoint.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/markpoint.py
-# .. |markpoint| image:: https://user-images.githubusercontent.com/32848391/52169969-1fb7af80-2741-11e9-937f-5c331d9a1d11.jpg
-#     :width: 200 px
-#     :target: markpoint.py_
-#     :alt: markpoint.py
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-# .. |readVolumeAsIsoSurface.py| replace:: readVolumeAsIsoSurface.py
-# .. _readVolumeAsIsoSurface.py: https://github.com/marcomusy/vedo/tree/master/examples/volumetric/readVolumeAsIsoSurface.py
-
-# .. |read_volume2.py| replace:: read_volume2.py
-# .. _read_volume2.py: https://github.com/marcomusy/vedo/tree/master/examples/volumetric/read_volume2.py
-# .. |read_volume2| image:: https://user-images.githubusercontent.com/32848391/50739036-6bc31300-11da-11e9-89b3-04a75187f812.jpg
-#     :width: 200 px
-#     :target: read_volume2.py_
-#     :alt: read_volume2.py
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-# .. |glyphs.py| replace:: glyphs.py
-# .. _glyphs.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/glyphs.py
-# .. |glyphs| image:: https://user-images.githubusercontent.com/32848391/52233403-47cd1d00-28bf-11e9-86b0-cbceebbde0de.jpg
-#     :width: 200 px
-#     :target: glyphs.py_
-#     :alt: glyphs.py
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-# .. |glyphs_arrows.py| replace:: glyphs_arrows.py
-# .. _glyphs_arrows.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/glyphs_arrows.py
-# .. |glyphs_arrows| image:: https://user-images.githubusercontent.com/32848391/55897850-a1a0da80-5bc1-11e9-81e0-004c8f396b43.jpg
-#     :width: 200 px
-#     :target: glyphs_arrows.py_
-#     :alt: glyphs_arrows.py
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-# .. |interpolateField.py| replace:: interpolateField.py
-# .. _interpolateField.py: https://github.com/marcomusy/vedo/tree/master/examples/advanced/interpolateField.py
-# .. |interpolateField| image:: https://user-images.githubusercontent.com/32848391/52416117-25b6e300-2ae9-11e9-8d86-575b97e543c0.png
-#     :width: 200 px
-#     :target: interpolateField.py_
-#     :alt: interpolateField.py
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-# .. |rotateImage.py| replace:: rotateImage.py
-# .. _rotateImage.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/rotateImage.py
-# .. |rotateImage| image:: https://user-images.githubusercontent.com/32848391/52416910-fb662500-2aea-11e9-88ba-9c73128e8666.jpg
-#     :width: 200 px
-#     :target: rotateImage.py_
-#     :alt: rotateImage.py
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-# .. |basicshapes| image:: https://user-images.githubusercontent.com/32848391/50738811-58af4380-11d8-11e9-9bfb-378c27c9d26f.png
-#     :alt: basicshapes
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-# .. |lines| image:: https://user-images.githubusercontent.com/32848391/52503049-ac9cb600-2be4-11e9-86af-72a538af14ef.png
-#     :width: 200 px
-#     :alt: lines
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-# .. |vlogo_small_dark| image:: https://user-images.githubusercontent.com/32848391/52522719-50d83880-2c89-11e9-8b90-a1c21c27b007.png
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-#     :alt: vlogo_tube_dark
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-# .. |fitline.py| replace:: fitline.py
-# .. _fitline.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/fitline.py
-# .. |fitline| image:: https://user-images.githubusercontent.com/32848391/50738864-c0658e80-11d8-11e9-8754-c670f1f331d6.jpg
-#     :width: 200 px
-#     :target: fitline.py_
-#     :alt: fitline.py
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-# .. |sliders3d.py| replace:: sliders3d.py
-# .. _sliders3d.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/sliders3d.py
-# .. |sliders3d| image:: https://user-images.githubusercontent.com/32848391/52859555-4efcf200-312d-11e9-9290-6988c8295163.png
-#     :width: 200 px
-#     :target: sliders3d.py_
-#     :alt: sliders3d.py
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-# .. |ex01_showmesh.py| replace:: ex01_showmesh.py
-# .. _ex01_showmesh.py: https://github.com/marcomusy/vedo/tree/master/examples/other/dolfin/ex01_show-mesh.py
-# .. |ex01_showmesh| image:: https://user-images.githubusercontent.com/32848391/53026243-d2d31900-3462-11e9-9dde-518218c241b6.jpg
-#     :width: 200 px
-#     :target: ex01_showmesh.py_
-#     :alt: ex01_showmesh.py
 
-# .. |ex02_tetralize-mesh.py| replace:: ex02_tetralize-mesh.py
-# .. _ex02_tetralize-mesh.py: https://github.com/marcomusy/vedo/tree/master/examples/other/dolfin/ex02_tetralize-mesh.py
-# .. |ex02_tetralize-mesh| image:: https://user-images.githubusercontent.com/32848391/53026244-d2d31900-3462-11e9-835a-1fa9d66d3dae.png
-#     :width: 200 px
-#     :target: ex02_tetralize-mesh.py_
-#     :alt: ex02_tetralize-mesh.py
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-# .. |ex06_elasticity1.py| replace:: ex06_elasticity1.py
-# .. _ex06_elasticity1.py: https://github.com/marcomusy/vedo/tree/master/examples/other/dolfin/ex06_elasticity1.py
-# .. |ex06_elasticity1| image:: https://user-images.githubusercontent.com/32848391/53026245-d2d31900-3462-11e9-9db4-96211569d114.jpg
-#     :width: 200 px
-#     :target: ex06_elasticity1.py_
-#     :alt: ex06_elasticity1.py
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-# .. |ex06_elasticity2.py| replace:: ex06_elasticity2.py
-# .. _ex06_elasticity2.py: https://github.com/marcomusy/vedo/tree/master/examples/other/dolfin/ex06_elasticity2.py
-# .. |ex06_elasticity2| image:: https://user-images.githubusercontent.com/32848391/53026246-d36baf80-3462-11e9-96a5-8eaf0bb0f9a4.jpg
-#     :width: 200 px
-#     :target: ex06_elasticity2.py_
-#     :alt: ex06_elasticity2.py
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-# .. |flatarrow.py| replace:: flatarrow.py
-# .. _flatarrow.py: https://github.com/marcomusy/vedo/tree/master/examples/other/basic/flatarrow.py
-# .. |flatarrow| image:: https://user-images.githubusercontent.com/32848391/54612632-97c00780-4a59-11e9-8532-940c25a5dfd8.png
-#     :width: 200 px
-#     :target: flatarrow.py_
-#     :alt: flatarrow.py
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-# .. |printhisto| image:: https://user-images.githubusercontent.com/32848391/55073046-03732780-508d-11e9-9bf9-c5de8631dd73.png
-#     :width: 200 px
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-# .. |distance2mesh.py| replace:: distance2mesh.py
-# .. _distance2mesh.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/distance2mesh.py
-# .. |distance2mesh| image:: https://user-images.githubusercontent.com/32848391/55965881-b5a71380-5c77-11e9-8680-5bddceab813a.png
-#     :width: 200 px
-#     :target: distance2mesh.py_
-#     :alt: distance2mesh.py
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-# .. |pendulum.py| replace:: pendulum.py
-# .. _pendulum.py: https://github.com/marcomusy/vedo/tree/master/examples/simulations/pendulum.py
-# .. |pendulum| image:: https://user-images.githubusercontent.com/32848391/55420020-51e56200-5576-11e9-8513-4a5d93913b17.png
-#     :width: 200 px
-#     :target: pendulum.py_
-#     :alt: pendulum.py
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-# .. |latex.py| replace:: latex.py
-# .. _latex.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/latex.py
-# .. |latex| image:: https://user-images.githubusercontent.com/32848391/55568648-6190b200-5700-11e9-9547-0798c588a7a5.png
-#     :width: 200 px
-#     :target: latex.py_
-#     :alt: latex.py
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-# .. |ft04_heat_gaussian.py| replace:: ft04_heat_gaussian.py
-# .. _ft04_heat_gaussian.py: https://github.com/marcomusy/vedo/tree/master/examples/other/dolfin/ft04_heat_gaussian.py
-# .. |ft04_heat_gaussian| image:: https://user-images.githubusercontent.com/32848391/55578167-88a5ae80-5715-11e9-84ea-bdab54099887.gif
-#     :width: 200 px
-#     :target: ft04_heat_gaussian.py_
-#     :alt: ft04_heat_gaussian.py
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-# .. |cutcube| image:: https://user-images.githubusercontent.com/32848391/55965516-08cc9680-5c77-11e9-8d23-720f6c088ea2.png
-#     :width: 200 px
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-# .. |intline| image:: https://user-images.githubusercontent.com/32848391/55967065-eee08300-5c79-11e9-8933-265e1bab9f7e.png
-#     :width: 200 px
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-# .. |cropped| image:: https://user-images.githubusercontent.com/32848391/57081955-0ef1e800-6cf6-11e9-99de-b45220939bc9.png
-#     :width: 200 px
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-# .. |dolfinmesh| image:: https://user-images.githubusercontent.com/32848391/53026243-d2d31900-3462-11e9-9dde-518218c241b6.jpg
-#     :width: 200 px
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-# .. |turing_pattern.py| replace:: turing_pattern.py
-# .. _turing_pattern.py: https://github.com/marcomusy/vedo/tree/master/examples/other/dolfin/turing_pattern.py
-# .. |turing_pattern| image:: https://user-images.githubusercontent.com/32848391/56056437-77cfeb00-5d5c-11e9-9887-828e5745d547.gif
-#     :width: 200 px
-#     :target: turing_pattern.py_
-#     :alt: turing_pattern.py
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-# .. |demo_cahn-hilliard.py| replace:: demo_cahn-hilliard.py
-# .. _demo_cahn-hilliard.py: https://github.com/marcomusy/vedo/tree/master/examples/other/dolfin/demo_cahn-hilliard.py
-# .. |demo_cahn-hilliard| image:: https://user-images.githubusercontent.com/32848391/56664730-edb34b00-66a8-11e9-9bf3-73431f2a98ac.gif
-#     :width: 200 px
-#     :target: demo_cahn-hilliard.py_
-#     :alt: demo_cahn-hilliard.py
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-# .. |navier-stokes_lshape.py| replace:: navier-stokes_lshape.py
-# .. _navier-stokes_lshape.py: https://github.com/marcomusy/vedo/tree/master/examples/other/dolfin/navier-stokes_lshape.py
-# .. |navier-stokes_lshape| image:: https://user-images.githubusercontent.com/32848391/56671156-6bc91f00-66b4-11e9-8c58-e6b71e2ad1d0.gif
-#     :width: 200 px
-#     :target: navier-stokes_lshape.py_
-#     :alt: navier-stokes_lshape.py
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-# .. |mesh_map2cell.py| replace:: mesh_map2cell.py
-# .. _mesh_map2cell.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/mesh_map2cell.py
-# .. |mesh_map2cell| image:: https://user-images.githubusercontent.com/32848391/56600859-0153a880-65fa-11e9-88be-34fd96b18e9a.png
-#     :width: 200 px
-#     :target: mesh_map2cell.py_
-#     :alt: mesh_map2cell.py
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-# .. |ex03_poisson.py| replace:: ex03_poisson.py
-# .. _ex03_poisson.py: https://github.com/marcomusy/vedo/tree/master/examples/other/dolfin/ex03_poisson.py
-# .. |ex03_poisson| image:: https://user-images.githubusercontent.com/32848391/54925524-bec18200-4f0e-11e9-9eab-29fd61ef3b8e.png
-#     :width: 200 px
-#     :target: ex03_poisson.py_
-#     :alt: ex03_poisson.py
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-# .. |elastodynamics.py| replace:: elastodynamics.py
-# .. _elastodynamics.py: https://github.com/marcomusy/vedo/tree/master/examples/other/dolfin/elastodynamics.py
-# .. |elastodynamics| image:: https://user-images.githubusercontent.com/32848391/54932788-bd4a8680-4f1b-11e9-9326-33645171a45e.gif
-#     :width: 200 px
-#     :target: elastodynamics.py_
-#     :alt: elastodynamics.py
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-# .. |ft02_poisson_membrane.py| replace:: ft02_poisson_membrane.py
-# .. _ft02_poisson_membrane.py: https://github.com/marcomusy/vedo/tree/master/examples/other/dolfin/ft02_poisson_membrane.py
-# .. |ft02_poisson_membrane| image:: https://user-images.githubusercontent.com/32848391/55499287-ed91d380-5645-11e9-8e9a-e31e2e3b1649.jpg
-#     :width: 200 px
-#     :target: ft02_poisson_membrane.py_
-#     :alt: ft02_poisson_membrane.py
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-
-# .. |stokes.py| replace:: stokes.py
-# .. _stokes.py: https://github.com/marcomusy/vedo/tree/master/examples/other/dolfin/stokes.py
-# .. |stokes| image:: https://user-images.githubusercontent.com/32848391/55098209-aba0e480-50bd-11e9-8842-42d3f0b2d9c8.png
-#     :width: 200 px
-#     :target: stokes.py_
-#     :alt: stokes.py
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-# .. |stokes1.py| replace:: stokes1.py
-# .. _stokes1.py: https://github.com/marcomusy/vedo/tree/master/examples/other/dolfin/stokes.py
-# .. |stokes1| image:: https://user-images.githubusercontent.com/32848391/56986911-6116fa00-6b8c-11e9-83f5-5b4efe430c0c.jpg
-#     :width: 200 px
-#     :target: stokes1.py_
-#     :alt: stokes1.py
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-# .. |demo_submesh.py| replace:: demo_submesh.py
-# .. _demo_submesh.py: https://github.com/marcomusy/vedo/tree/master/examples/other/dolfin/demo_submesh.py
-# .. |demo_submesh| image:: https://user-images.githubusercontent.com/32848391/56675428-4e984e80-66bc-11e9-90b0-43dde7e4cc29.png
-#     :width: 200 px
-#     :target: demo_submesh.py_
-#     :alt: demo_submesh.py
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-# .. |pi_estimate.py| replace:: pi_estimate.py
-# .. _pi_estimate.py: https://github.com/marcomusy/vedo/tree/master/examples/other/dolfin/pi_estimate.py
-# .. |pi_estimate| image:: https://user-images.githubusercontent.com/32848391/56675429-4e984e80-66bc-11e9-9217-a0652a8e74fe.png
-#     :width: 200 px
-#     :target: pi_estimate.py_
-#     :alt: pi_estimate.py
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-# .. |isolines.py| replace:: isolines.py
-# .. _isolines.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/isolines.py
-# .. |isolines| image:: https://user-images.githubusercontent.com/32848391/72433087-f00a8780-3798-11ea-9778-991f0abeca70.png
-#     :width: 200 px
-#     :target: isolines.py_
-#     :alt: isolines.py
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-# .. |inset.py| replace:: inset.py
-# .. _inset.py: https://github.com/marcomusy/vedo/tree/master/examples/other/inset.py
-# .. |inset| image:: https://user-images.githubusercontent.com/32848391/56758560-3c3f1300-6797-11e9-9b33-49f5a4876039.jpg
-#     :width: 200 px
-#     :target: inset.py_
-#     :alt: inset.py
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-# .. |legosurface.py| replace:: legosurface.py
-# .. _legosurface.py: https://github.com/marcomusy/vedo/tree/master/examples/volumetric/legosurface.py
-# .. |legosurface| image:: https://user-images.githubusercontent.com/32848391/56820682-da40e500-684c-11e9-8ea3-91cbcba24b3a.png
-#     :width: 200 px
-#     :target: legosurface.py_
-#     :alt: legosurface.py
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-# .. |streamribbons.py| replace:: streamribbons.py
-# .. _streamribbons.py: https://github.com/marcomusy/vedo/tree/master/examples/volumetric/streamribbons.py
-# .. |streamribbons| image:: https://user-images.githubusercontent.com/32848391/56963999-9145a500-6b5a-11e9-9461-0037c471faab.png
-#     :width: 200 px
-#     :target: streamribbons.py_
-#     :alt: streamribbons.py
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-# .. |streamlines1.py| replace:: streamlines1.py
-# .. _streamlines1.py: https://github.com/marcomusy/vedo/tree/master/examples/volumetric/streamlines1.py
-# .. |streamlines1| image:: https://user-images.githubusercontent.com/32848391/56964002-9145a500-6b5a-11e9-9e3f-da712609d896.png
-#     :width: 200 px
-#     :target: streamlines1.py_
-#     :alt: streamlines1.py
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-# .. |streamlines2.py| replace:: streamlines2.py
-# .. _streamlines2.py: https://github.com/marcomusy/vedo/tree/master/examples/volumetric/streamlines2.py
-# .. |streamlines2| image:: https://user-images.githubusercontent.com/32848391/56964001-9145a500-6b5a-11e9-935b-1b2425bd7dd2.png
-#     :width: 200 px
-#     :target: streamlines2.py_
-#     :alt: streamlines2.py
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-# .. |office.py| replace:: office.py
-# .. _office.py: https://github.com/marcomusy/vedo/tree/master/examples/volumetric/office.py
-# .. |office| image:: https://user-images.githubusercontent.com/32848391/56964003-9145a500-6b5a-11e9-9d9e-9736d90e1900.png
-#     :width: 200 px
-#     :target: office.py_
-#     :alt: office.py
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-# .. |value-iteration.py| replace:: value-iteration.py
-# .. _value-iteration.py: https://github.com/marcomusy/vedo/tree/master/examples/other/value-iteration.py
-# .. |value-iteration| image:: https://user-images.githubusercontent.com/32848391/56964055-afaba080-6b5a-11e9-99cf-3fac99df9878.jpg
-#     :width: 200 px
-#     :target: value-iteration.py_
-#     :alt: value-iteration.py
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-# .. |magnetostatics.py| replace:: magnetostatics.py
-# .. _magnetostatics.py: https://github.com/marcomusy/vedo/tree/master/examples/other/dolfin/magnetostatics.py
-# .. |magnetostatics| image:: https://user-images.githubusercontent.com/32848391/56985162-fb287380-6b87-11e9-9cf9-045bd08c3b9b.jpg
-#     :width: 200 px
-#     :target: magnetostatics.py_
-#     :alt: magnetostatics.py
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-# .. |export_x3d.py| replace:: export_x3d.py
-# .. _export_x3d.py: https://github.com/marcomusy/vedo/tree/master/examples/other/export_x3d.py
-# .. |export_x3d| image:: https://user-images.githubusercontent.com/32848391/57160341-c6ffbd80-6de8-11e9-95ff-7215ce642bc5.jpg
-#     :width: 200 px
-#     :target: export_x3d.py_
-#     :alt: export_x3d.py
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-# .. |silhouette.py| replace:: silhouette.py
-# .. _silhouette.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/silhouette.py
-# .. |silhouette| image:: https://user-images.githubusercontent.com/32848391/57179369-8e5df380-6e7d-11e9-99b4-3b1a120dd375.png
-#     :width: 200 px
-#     :target: silhouette.py_
-#     :alt: silhouette.py
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-# .. |shadow.py| replace:: shadow.py
-# .. _shadow.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/shadow.py
-# .. |shadow| image:: https://user-images.githubusercontent.com/32848391/57312574-1d714280-70ee-11e9-8741-04fc5386d692.png
-#     :width: 200 px
-#     :target: shadow.py_
-#     :alt: shadow.py
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-# .. |airplanes.py| replace:: airplanes.py
-# .. _airplanes.py: https://github.com/marcomusy/vedo/tree/master/examples/simulations/.py
-# .. |airplanes| image:: https://user-images.githubusercontent.com/32848391/57341963-b8910900-713c-11e9-898a-84b6d3712bce.gif
-#     :width: 200 px
-#     :target: airplanes.py_
-#     :alt: airplanes.py
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-# .. |heatconv.py| replace:: heatconv.py
-# .. _heatconv.py: https://github.com/marcomusy/vedo/tree/master/examples/other/dolfin/heatconv.py
-# .. |heatconv| image:: https://user-images.githubusercontent.com/32848391/57455107-b200af80-726a-11e9-897d-9c7bcb9854ac.gif
-#     :width: 200 px
-#     :target: heatconv.py_
-#     :alt: heatconv.py
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-# .. |scalemesh.py| replace:: scalemesh.py
-# .. _scalemesh.py: https://github.com/marcomusy/vedo/tree/master/examples/other/dolfin/scalemesh.py
-# .. |scalemesh| image:: https://user-images.githubusercontent.com/32848391/57393382-431c4b80-71c3-11e9-9a2c-8abb172f5468.png
-#     :width: 200 px
-#     :target: scalemesh.py_
-#     :alt: scalemesh.py
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-# .. |elasticbeam.py| replace:: elasticbeam.py
-# .. _elasticbeam.py: https://github.com/marcomusy/vedo/tree/master/examples/other/dolfin/elasticbeam.py
-# .. |elasticbeam| image:: https://user-images.githubusercontent.com/32848391/57476429-d7a3ae00-7296-11e9-9f50-8f456823ef3d.png
-#     :width: 200 px
-#     :target: elasticbeam.py_
-#     :alt: elasticbeam.py
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-# .. |specular.py| replace:: specular.py
-# .. _specular.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/specular.py
-# .. |specular| image:: https://user-images.githubusercontent.com/32848391/57543051-8c030a00-7353-11e9-84cd-b01f3449d255.jpg
-#     :width: 200 px
-#     :target: specular.py_
-#     :alt: specular.py
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-# .. |wavy_1d.py| replace:: wavy_1d.py
-# .. _wavy_1d.py: https://github.com/marcomusy/vedo/tree/master/examples/other/dolfin/wavy_1d.py
-# .. |wavy_1d| image:: https://user-images.githubusercontent.com/32848391/57570898-70593b80-7407-11e9-87cf-ce498f499c09.gif
-#     :width: 200 px
-#     :target: wavy_1d.py_
-#     :alt: wavy_1d.py
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-# .. |idealpass.link| replace:: idealpass.link
-# .. _idealpass.link: https://lorensen.github.io/VTKExamples/site/Cxx/ImageProcessing/IdealHighPass
-# .. |idealpass| image:: https://raw.githubusercontent.com/lorensen/VTKExamples/master/src/Testing/Baseline/Cxx/ImageProcessing/TestIdealHighPass.png
-#     :width: 200 px
-#     :target: idealpass.link_
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-# .. |buildmesh.py| replace:: buildmesh.py
-# .. _buildmesh.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/buildmesh.py
-# .. |buildmesh| image:: https://user-images.githubusercontent.com/32848391/57858625-b0e2fb80-77f1-11e9-94f0-1973ed86ae70.png
-#     :width: 200 px
-#     :target: buildmesh.py_
-#     :alt: buildmesh.py
-
-# .. |customAxes1.py| replace:: customAxes1.py
-# .. _customAxes1.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/customAxes1.py
-# .. |customAxes1| image:: https://user-images.githubusercontent.com/32848391/58181826-c605d180-7cac-11e9-9786-11b5eb278f20.png
-#     :width: 200 px
-#     :target: customAxes1.py_
-#     :alt: customAxes1.py
-
-# .. |customAxes2.py| replace:: customAxes2.py
-# .. _customAxes2.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/customAxes2.py
-
-# .. |customAxes3.py| replace:: customAxes3.py
-# .. _customAxes3.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/customAxes3.py
-
-# .. |awefem.py| replace:: awefem.py
-# .. _awefem.py: https://github.com/marcomusy/vedo/tree/master/examples/other/dolfin/awefem.py
-# .. |awefem| image:: https://user-images.githubusercontent.com/32848391/58368591-8b3fab80-7eef-11e9-882f-8b8eaef43567.gif
-#     :width: 200 px
-#     :target: awefem.py_
-#     :alt: awefem.py
-
-# .. |fenics_logo| image:: https://user-images.githubusercontent.com/32848391/58764910-3940fa80-856d-11e9-8160-af89a5ab5d02.gif
-
-# .. |thinplate_morphing_2d.py| replace:: thinplate_morphing_2d.py
-# .. _thinplate_morphing_2d.py: https://github.com/marcomusy/vedo/tree/master/examples/advanced/thinplate_morphing_2d.py
-# .. |thinplate_morphing_2d| image:: https://user-images.githubusercontent.com/32848391/59032715-385ae200-8867-11e9-9b07-7f4f8fbfa5bd.png
-#     :width: 200 px
-#     :target: thinplate_morphing_2d.py_
-#     :alt: thinplate_morphing_2d.py
-
-# .. |interpolateVolume.py| replace:: interpolateVolume.py
-# .. _interpolateVolume.py: https://github.com/marcomusy/vedo/tree/master/examples/volumetric/interpolateVolume.py
-# .. |interpolateVolume| image:: https://user-images.githubusercontent.com/32848391/59095175-1ec5a300-8918-11e9-8bc0-fd35c8981e2b.jpg
-#     :width: 200 px
-#     :target: interpolateVolume.py_
-#     :alt: interpolateVolume.py
-
-# .. |deleteMeshPoints.py| replace:: deleteMeshPoints.py
-# .. _deleteMeshPoints.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/deleteMeshPoints.py
-# .. |deleteMeshPoints| image:: https://user-images.githubusercontent.com/32848391/59768041-e9b83980-92a3-11e9-94f4-ca1f92540e9f.png
-#     :width: 200 px
-#     :target: deleteMeshPoints.py_
-#     :alt: deleteMeshPoints.py
-
-# .. |gray_scott.ipynb| replace:: gray_scott.ipynb
-# .. _gray_scott.ipynb: https://github.com/marcomusy/vedo/tree/master/examples/simulations/gray_scott.ipynb
-# .. |gray_scott| image:: https://user-images.githubusercontent.com/32848391/59788744-aaeaa980-92cc-11e9-825d-58da26ca21ff.gif
-#     :width: 200 px
-#     :target: gray_scott.ipynb_
-#     :alt: gray_scott.ipynb
-
-# .. |volterra.py| replace:: volterra.py
-# .. _volterra.py: https://github.com/marcomusy/vedo/tree/master/examples/simulations/volterra.py
-# .. |volterra| image:: https://user-images.githubusercontent.com/32848391/59788745-aaeaa980-92cc-11e9-93d5-f6a577ba5e4d.png
-#     :width: 200 px
-#     :target: volterra.py_
-#     :alt: volterra.py
-
-# .. |tensors.py| replace:: tensors.py
-# .. _tensors.py: https://github.com/marcomusy/vedo/tree/master/examples/volumetric/tensors.py
-# .. |tensors| image:: https://user-images.githubusercontent.com/32848391/59944747-e2d92480-9465-11e9-8012-1fc34a2e30c6.png
-#     :width: 200 px
-#     :target: tensors.py_
-#     :alt: tensors.py
-
-# .. |tensor_grid.py| replace:: tensor_grid.py
-# .. _tensor_grid.py: https://github.com/marcomusy/vedo/tree/master/examples/volumetric/tensor_grid.py
-
-# .. |scalarbars.py| replace:: scalarbars.py
-# .. _scalarbars.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/scalarbars.py
-# .. |scalarbars| image:: https://user-images.githubusercontent.com/32848391/62940174-4bdc7900-bdd3-11e9-9713-e4f3e2fdab63.png
-#     :width: 200 px
-#     :target: scalarbars.py_
-#     :alt: scalarbars.py
-
-# .. |erode_dilate.py| replace:: erode_dilate.py
-# .. _erode_dilate.py: https://github.com/marcomusy/vedo/tree/master/examples/volumetric/erode_dilate.py
-
-# .. |vol2points.py| replace:: vol2points.py
-# .. _vol2points.py: https://github.com/marcomusy/vedo/tree/master/examples/volumetric/vol2points.py
-
-# .. |euclDist.py| replace:: euclDist.py
-# .. _euclDist.py: https://github.com/marcomusy/vedo/tree/master/examples/volumetric/euclDist.py
-
-# .. |volumeFromMesh.py| replace:: volumeFromMesh.py
-# .. _volumeFromMesh.py: https://github.com/marcomusy/vedo/tree/master/examples/volumetric/volumeFromMesh.py
-
-# .. |numpy2volume1.py| replace:: numpy2volume1.py
-# .. _numpy2volume1.py: https://github.com/marcomusy/vedo/tree/master/examples/volumetric/numpy2volume1.py
-
-# .. |G_Of_Omega| image:: https://wikimedia.org/api/rest_v1/media/math/render/svg/9c4d02a66b6ff279aae0c4bf07c25e5727d192e4
-
-# .. |wikiphong| image:: https://upload.wikimedia.org/wikipedia/commons/6/6b/Phong_components_version_4.png
-
-# .. |animation1.py| replace:: animation1.py
-# .. _animation1.py: https://github.com/marcomusy/vedo/tree/master/examples/other/animation1.py
-# .. |animation1| image:: https://user-images.githubusercontent.com/32848391/64273764-4b528080-cf42-11e9-90aa-2d88df239871.gif
-#     :width: 200 px
-#     :target: animation1.py_
-#     :alt: animation1.py
-
-# .. |animation2.py| replace:: animation2.py
-# .. _animation2.py: https://github.com/marcomusy/vedo/tree/master/examples/other/animation2.py
-# .. |animation2| image:: https://user-images.githubusercontent.com/32848391/64273191-1a258080-cf41-11e9-8a18-f192f05f11a9.gif
-#     :width: 200 px
-#     :target: animation2.py_
-#     :alt: animation2.py
-
-# .. |polarHisto.py| replace:: polarHisto.py
-# .. _polarHisto.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/polarHisto.py
-# .. |polarHisto| image:: https://user-images.githubusercontent.com/32848391/64912717-5754f400-d733-11e9-8a1f-612165955f23.png
-#     :width: 200 px
-#     :target: polarHisto.py_
-#     :alt: polarHisto.py
-
-# .. |histo_polar.py| replace:: histo_polar.py
-# .. _histo_polar.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/histo_polar.py
-# .. |histo_polar| image:: https://user-images.githubusercontent.com/32848391/64992590-7fc82400-d8d4-11e9-9c10-795f4756a73f.png
-#     :width: 200 px
-#     :target: histo_polar.py_
-#     :alt: histo_polar.py
-
-# .. |donut.py| replace:: donut.py
-# .. _donut.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/donut.py
-# .. |donut| image:: https://user-images.githubusercontent.com/32848391/64998178-6f6b7580-d8e3-11e9-9bd8-8dfb9ccd90e4.png
-#     :width: 200 px
-#     :target: donut.py_
-#     :alt: donut.py
-
-# .. |extrude.py| replace:: extrude.py
-# .. _extrude.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/extrude.py
-# .. |extrude| image:: https://user-images.githubusercontent.com/32848391/65963682-971e1a00-e45b-11e9-9f29-05522ae4a800.png
-#     :width: 200 px
-#     :target: extrude.py_
-#     :alt: extrude.py
-
-# .. |kspline| image:: https://user-images.githubusercontent.com/32848391/65975805-73fd6580-e46f-11e9-8957-75eddb28fa72.png
-#     :width: 200 px
-
-# .. |mesh_lut.py| replace:: mesh_lut.py
-# .. _mesh_lut.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/mesh_lut.py
-
-# .. |elevation| image:: https://user-images.githubusercontent.com/32848391/68478872-3986a580-0231-11ea-8245-b68a683aa295.png
-#     :width: 200 px
-
-# .. |paramshapes| image:: https://user-images.githubusercontent.com/32848391/69181075-bb6aae80-0b0e-11ea-92f7-d0cd3b9087bf.png
-#     :width: 400 px
-
-# .. |warpto| image:: https://user-images.githubusercontent.com/32848391/69259878-3c817e80-0bbf-11ea-9025-03b9f6affccc.png
-#     :width: 200 px
-
-# .. |linInterpolate.py| replace:: linInterpolate.py
-# .. _linInterpolate.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/linInterpolate.py
-# .. |linInterpolate| image:: https://user-images.githubusercontent.com/32848391/70559826-a621f680-1b87-11ea-89f3-e6b74d8953d9.png
-#     :width: 200 px
-#     :target: linInterpolate.py_
-#     :alt: linInterpolate.py
-
-# .. |plot_errbars.py| replace:: plot_errbars.py
-# .. _plot_errbars.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/plot_errbars.py
-# .. |plot_errbars| image:: https://user-images.githubusercontent.com/32848391/69158509-d6c1c380-0ae6-11ea-9dbf-ff5cd396a9a6.png
-#     :width: 200 px
-#     :target: plot_errbars.py_
-#     :alt: plot_errbars.py
-
-# .. |quiver.py| replace:: quiver.py
-# .. _quiver.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/quiver.py
-# .. |quiver| image::  https://user-images.githubusercontent.com/32848391/72261438-199aa600-3615-11ea-870e-e44ca4c4b8d3.png
-#     :width: 200 px
-#     :target: quiver.py_
-#     :alt: quiver.py
-
-# .. |plot_spheric.py| replace:: plot_spheric.py
-# .. _plot_spheric.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/plot_spheric.py
-# .. |plot_spheric| image:: https://user-images.githubusercontent.com/32848391/72433091-f0a31e00-3798-11ea-86bd-6c522e23ec61.png
-#     :width: 200 px
-#     :target: plot_spheric.py_
-#     :alt: plot_spheric.py
-
-# .. |fcomplex| image:: https://user-images.githubusercontent.com/32848391/73392962-1709a300-42db-11ea-9278-30c9d6e5eeaa.png
-#     :width: 200 px
-
-# .. |histo_spheric.py| replace:: histo_spheric.py
-# .. _histo_spheric.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/histo_spheric.py
-# .. |histo_spheric| image:: https://user-images.githubusercontent.com/32848391/73392901-fccfc500-42da-11ea-828a-9bad6982a823.png
-#     :width: 200 px
-#     :target: histo_spheric.py_
-#     :alt: histo_spheric.py
-
-# .. |sphericgrid| image:: https://user-images.githubusercontent.com/32848391/72433092-f0a31e00-3798-11ea-85f7-b2f5fcc31568.png
-#     :width: 200 px
-
-# .. |histo_2D.py| replace:: histo_2D.py
-# .. _histo_2D.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/histo_2D.py
-# .. |histo_2D| image:: https://user-images.githubusercontent.com/32848391/74361190-c019c880-4dc6-11ea-9c72-0f2a890e6664.png
-#     :width: 200 px
-#     :target: histo_2D.py_
-#     :alt: histo_2D.py
-
-# .. |plot_errband.py| replace:: plot_errband.py
-# .. _plot_errband.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/plot_errband.py
-# .. |plot_errband| image:: https://user-images.githubusercontent.com/32848391/73483464-c019d180-439f-11ea-9a8c-59fa49e9ecf4.png
-#     :width: 200 px
-#     :target: plot_errband.py_
-#     :alt: plot_errband.py
-
-# .. |plot_pip.py| replace:: plot_pip.py
-# .. _plot_pip.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/plot_pip.py
-# .. |plot_pip| image:: https://user-images.githubusercontent.com/32848391/73393632-4ff64780-42dc-11ea-8798-45a81c067f45.png
-#     :width: 200 px
-#     :target: plot_pip.py_
-#     :alt: plot_pip.py
-
-# .. |scatter1.py| replace:: scatter1.py
-# .. _scatter1.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/scatter1.py
-# .. |scatter1| image:: https://user-images.githubusercontent.com/32848391/72615028-013bcb80-3934-11ea-8ab8-823f1916bc6c.png
-#     :width: 200 px
-#     :target: scatter1.py_
-#     :alt: scatter1.py
-
-# .. |scatter2.py| replace:: scatter2.py
-# .. _scatter2.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/scatter2.py
-# .. |scatter2| image:: https://user-images.githubusercontent.com/32848391/72446102-2d7c0e80-37b3-11ea-8fe4-b27526af574f.png
-#     :width: 200 px
-#     :target: scatter2.py_
-#     :alt: scatter2.py
-
-# .. |scatter3.py| replace:: scatter3.py
-# .. _scatter3.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/scatter3.py
-# .. |scatter3| image:: https://user-images.githubusercontent.com/32848391/72446102-2d7c0e80-37b3-11ea-8fe4-b27526af574f.png
-#     :width: 200 px
-#     :target: scatter3.py_
-#     :alt: scatter3.py
-
-# .. |customIndividualAxes.py| replace:: customIndividualAxes.py
-# .. _customIndividualAxes.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/customIndividualAxes.py
-# .. |customIndividualAxes| image:: https://user-images.githubusercontent.com/32848391/72752870-ab7d5280-3bc3-11ea-8911-9ace00211e23.png
-#     :width: 200 px
-#     :target: customIndividualAxes.py_
-#     :alt: customIndividualAxes.py
-
-# .. |plot_stream.py| replace:: plot_stream.py
-# .. _plot_stream.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/plot_stream.py
-# .. |plot_stream| image:: https://user-images.githubusercontent.com/32848391/73614123-93162a80-45fc-11ea-969b-9a3293b26f35.png
-#     :width: 250 px
-#     :target: plot_stream.py_
-#     :alt: plot_stream.py
-
-# .. |simpleplot| image:: https://user-images.githubusercontent.com/32848391/74363882-c3638300-4dcb-11ea-8a78-eb492ad9711f.png
-#     :width: 200 px
-
-# .. |warpv| image:: https://user-images.githubusercontent.com/32848391/77864546-7a577900-7229-11ea-84ce-4e8e6eeff27f.png
-#     :width: 200 px
-
-# .. |lineage_graph.py| replace:: lineage_graph.py
-# .. _lineage_graph.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/lineage_graph.py
-# .. |lineage_graph| image:: https://user-images.githubusercontent.com/32848391/80291851-8152a800-8751-11ea-893e-4a0bb85397b1.png
-#     :width: 200 px
-#     :target: lineage_graph.py_
-#     :alt: lineage_graph.py
-
-# .. |bezier| image:: https://user-images.githubusercontent.com/32848391/90437534-dafd2a80-e0d2-11ea-9b93-9ecb3f48a3ff.png
-#     :width: 200 px
-
-# .. |goniometer.py| replace:: goniometer.py
-# .. _goniometer.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/goniometer.py
-# .. |goniometer| image:: https://user-images.githubusercontent.com/32848391/90437544-dd5f8480-e0d2-11ea-8321-b52d073444c4.png
-#     :width: 200 px
-#     :target: goniometer.py_
-#     :alt: goniometer.py
-
-# .. |intersect2d.py| replace:: intersect2d.py
-# .. _intersect2d.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/intersect2d.py
-# .. |intersect2d| image:: https://user-images.githubusercontent.com/32848391/90437548-de90b180-e0d2-11ea-8e0c-d821db4da8a9.png
-#     :width: 200 px
-#     :target: intersect2d.py_
-#     :alt: intersect2d.py
-
-# .. |fonts.py| replace:: fonts.py
-# .. _fonts.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/fonts.py
-# .. |fonts| image:: https://user-images.githubusercontent.com/32848391/90437539-dcc6ee00-e0d2-11ea-8381-93d211b1bc85.png
-#     :width: 400 px
-#     :target: fonts.py_
-#     :alt: fonts.py
-
-# .. |graph_network.py| replace:: graph_network.py
-# .. _graph_network.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/graph_network.py
-# .. |graph_network| image:: https://user-images.githubusercontent.com/32848391/90437546-ddf81b00-e0d2-11ea-84d5-e4356a5c5f85.png
-#     :width: 200 px
-#     :target: graph_network.py_
-#     :alt: graph_network.py
-
-# .. |plot_density3d.py| replace:: plot_density3d.py
-# .. _plot_density3d.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/plot_density3d.py
-# .. |plot_density3d| image:: https://user-images.githubusercontent.com/32848391/90437537-dc2e5780-e0d2-11ea-982c-8dafd467c3cd.png
-#     :width: 200 px
-#     :target: plot_density3d.py_
-#     :alt: plot_density3d.py
-
-# .. |fonts3d| image:: https://user-images.githubusercontent.com/32848391/90437540-dd5f8480-e0d2-11ea-8ddc-8839688979d0.png
-#     :width: 200 px
-
-# .. |fontlist| image:: https://user-images.githubusercontent.com/32848391/90437539-dcc6ee00-e0d2-11ea-8381-93d211b1bc85.png
-#     :width: 200 px
-
-# .. |caption.py| replace:: captions.py
-# .. _caption.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/caption.py
-# .. |caption| image:: https://user-images.githubusercontent.com/32848391/90437536-dc2e5780-e0d2-11ea-8951-f905ffb54f54.png
-#     :width: 200 px
-#     :target: caption.py_
-#     :alt: caption.py
-
-# .. |flag_labels.py| replace:: flag_labels.py
-# .. _flag_labels.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/flag_labels.py
-# .. |flag_labels| image:: https://user-images.githubusercontent.com/32848391/90620799-3b938100-e213-11ea-80b1-e05ce2949d3a.png
-#     :width: 200 px
-#     :target: flag_labels.py_
-#     :alt: flag_labels.py
-
-# .. |whiskers.py| replace:: whiskers.py
-# .. _whiskers.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/whiskers.py
-# .. |whiskers| image:: https://user-images.githubusercontent.com/32848391/95772479-170cd000-0cbd-11eb-98c4-20c5ca342cb8.png
-#     :width: 200 px
-#     :target: whiskers.py_
-#     :alt: whiskers.py
-# """
+##### to generate documentation must uncomment this line:
+# from vedo.docs_defs import _substitutions_defs as _defs
 
+# Then:
+    # cd vedo/docs
+    # pip install -r requirements.txt # optionally
+    # make html
 
+####################################################################################
diff --git a/vedo/docs_defs.py b/vedo/docs_defs.py
new file mode 100644
index 00000000..3c189063
--- /dev/null
+++ b/vedo/docs_defs.py
@@ -0,0 +1,1230 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+_substitutions_defs = """
+
+.. |thinplate_grid.py| replace:: thinplate_grid.py
+.. _thinplate_grid.py: https://github.com/marcomusy/vedo/tree/master/examples/advanced/thinplate_grid.py
+.. |thinplate_grid| image:: https://user-images.githubusercontent.com/32848391/51433540-d188b380-1c4c-11e9-81e7-a1cf4642c54b.png
+    :width: 200 px
+    :target: thinplate_grid.py_
+    :alt: thinplate_grid.py
+
+.. |gyroscope2.py| replace:: gyroscope2.py
+.. _gyroscope2.py: https://github.com/marcomusy/vedo/tree/master/examples/simulations/gyroscope2.py
+.. |gyroscope2| image:: https://user-images.githubusercontent.com/32848391/50738942-687b5780-11d9-11e9-97f0-72bbd63f7d6e.gif
+    :width: 200 px
+    :target: gyroscope2.py_
+    :alt: gyroscope2.py
+
+.. |trail.py| replace:: trail.py
+.. _trail.py: https://github.com/marcomusy/vedo/tree/master/examples/simulations/trail.py
+.. |trail| image:: https://user-images.githubusercontent.com/32848391/58370826-4aee2680-7f0b-11e9-91e6-3120770cfede.gif
+    :width: 200 px
+    :target: trail.py_
+    :alt: trail.py
+
+.. |fillholes.py| replace:: fillholes.py
+.. _fillholes.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/fillholes.py
+
+.. |quadratic_morphing.py| replace:: quadratic_morphing.py
+.. _quadratic_morphing.py: https://github.com/marcomusy/vedo/tree/master/examples/advanced/quadratic_morphing.py
+.. |quadratic_morphing| image:: https://user-images.githubusercontent.com/32848391/50738890-db380300-11d8-11e9-9cef-4c1276cca334.jpg
+    :width: 200 px
+    :target: quadratic_morphing.py_
+    :alt: quadratic_morphing.py
+
+.. |align1.py| replace:: align1.py
+.. _align1.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/align1.py
+.. |align1| image:: https://user-images.githubusercontent.com/32848391/50738875-c196bb80-11d8-11e9-8bdc-b80fd01a928d.jpg
+    :width: 200 px
+    :target: align1.py_
+    :alt: align1.py
+
+.. |align2.py| replace:: align2.py
+.. _align2.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/align2.py
+.. |align2| image:: https://user-images.githubusercontent.com/32848391/50738874-c196bb80-11d8-11e9-9587-2177d1680b70.jpg
+    :width: 200 px
+    :target: align2.py_
+    :alt: align2.py
+
+.. |mirror.py| replace:: mirror.py
+.. _mirror.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/mirror.py
+.. |mirror| image:: https://user-images.githubusercontent.com/32848391/50738855-bf346180-11d8-11e9-97a0-c9aaae6ce052.jpg
+    :target: mirror.py_
+    :alt: mirror.py
+
+.. |shrink.py| replace:: shrink.py
+.. _shrink.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/shrink.py
+.. |shrink| image:: https://user-images.githubusercontent.com/32848391/46819143-41042280-cd83-11e8-9492-4f53679887fa.png
+    :width: 200 px
+    :target: shrink.py_
+    :alt: shrink.py
+
+.. |aspring.py| replace:: aspring.py
+.. _aspring.py: https://github.com/marcomusy/vedo/tree/master/examples/simulations/aspring.py
+.. |aspring| image:: https://user-images.githubusercontent.com/32848391/36788885-e97e80ae-1c8f-11e8-8b8f-ffc43dad1eb1.gif
+    :width: 200 px
+    :target: aspring.py_
+    :alt: aspring.py
+
+.. |delaunay2d.py| replace:: delaunay2d.py
+.. _delaunay2d.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/delaunay2d.py
+.. |delaunay2d| image:: https://user-images.githubusercontent.com/32848391/50738865-c0658e80-11d8-11e9-8616-b77363aa4695.jpg
+    :width: 200 px
+    :target: delaunay2d.py_
+    :alt: delaunay2d.py
+
+.. |moving_least_squares1D.py| replace:: moving_least_squares1D.py
+.. _moving_least_squares1D.py: https://github.com/marcomusy/vedo/tree/master/examples/advanced/moving_least_squares1D.py
+.. |moving_least_squares1D| image:: https://user-images.githubusercontent.com/32848391/50738937-61544980-11d9-11e9-8be8-8826032b8baf.jpg
+    :width: 200 px
+    :target: moving_least_squares1D.py_
+    :alt: moving_least_squares1D.py
+
+.. |recosurface.py| replace:: recosurface.py
+.. _recosurface.py: https://github.com/marcomusy/vedo/tree/master/examples/advanced/recosurface.py
+.. |recosurface| image:: https://user-images.githubusercontent.com/32848391/46817107-b3263880-cd7e-11e8-985d-f5d158992f0c.png
+    :target: recosurface.py_
+    :alt: recosurface.py
+
+.. |fatlimb.py| replace:: fatlimb.py
+.. _fatlimb.py: https://github.com/marcomusy/vedo/tree/master/examples/advanced/fatlimb.py
+.. |fatlimb| image:: https://user-images.githubusercontent.com/32848391/50738945-7335ec80-11d9-11e9-9d3f-c6c19df8f10d.jpg
+    :width: 200 px
+    :target: fatlimb.py_
+    :alt: fatlimb.py
+
+.. |largestregion.py| replace:: largestregion.py
+.. _largestregion.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/largestregion.py
+
+.. |fitplanes.py| replace:: fitplanes.py
+.. _fitplanes.py: https://github.com/marcomusy/vedo/tree/master/examples/advanced/fitplanes.py
+
+.. |mesh_coloring.py| replace:: mesh_coloring.py
+.. _mesh_coloring.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/mesh_coloring.py
+.. |mesh_coloring| image:: https://user-images.githubusercontent.com/32848391/50738856-bf346180-11d8-11e9-909c-a3f9d32c4e8c.jpg
+    :width: 200 px
+    :target: mesh_coloring.py_
+    :alt: mesh_coloring.py
+
+.. |mesh_alphas.py| replace:: mesh_alphas.py
+.. _mesh_alphas.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/mesh_alphas.py
+.. |mesh_alphas| image:: https://user-images.githubusercontent.com/32848391/50738857-bf346180-11d8-11e9-80a1-d283aed0b305.jpg
+    :width: 200 px
+    :target: mesh_alphas.py_
+    :alt: mesh_alphas.py
+
+.. |mesh_custom.py| replace:: mesh_custom.py
+.. _mesh_custom.py: https://github.com/marcomusy/vedo/tree/master/examples/mesh_custom.py
+.. |mesh_custom| image:: https://user-images.githubusercontent.com/32848391/51390972-20d9c180-1b31-11e9-955d-025f1ef24cb7.png
+    :width: 200 px
+    :target: mesh_custom.py_
+    :alt: mesh_custom.py
+
+.. |connVtx.py| replace:: connVtx.py
+.. _connVtx.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/connVtx.py
+.. |connVtx| image:: https://user-images.githubusercontent.com/32848391/51558919-ec436e00-1e80-11e9-91ac-0787c35fc20e.png
+    :width: 200 px
+    :target: connVtx.py_
+    :alt: connVtx.py
+
+.. |spherical_harmonics1.py| replace:: spherical_harmonics1.py
+.. _spherical_harmonics1.py: https://github.com/marcomusy/vedo/tree/master/examples/other/spherical_harmonics1.py
+
+.. |spherical_harmonics2.py| replace:: spherical_harmonics2.py
+.. _spherical_harmonics2.py: https://github.com/marcomusy/vedo/tree/master/examples/other/spherical_harmonics2.py
+
+.. |skeletonize.py| replace:: skeletonize.py
+.. _skeletonize.py: https://github.com/marcomusy/vedo/tree/master/examples/advanced/skeletonize.py
+.. |skeletonize| image:: https://user-images.githubusercontent.com/32848391/46820954-c5f13b00-cd87-11e8-87aa-286528a09de8.png
+    :target: spherical_harmonics2.py_
+    :alt: skeletonize.py
+
+.. |gyroscope1.py| replace:: gyroscope1.py
+.. _gyroscope1.py: https://github.com/marcomusy/vedo/tree/master/examples/simulations/gyroscope1.py
+.. |gyroscope1| image:: https://user-images.githubusercontent.com/32848391/39766016-85c1c1d6-52e3-11e8-8575-d167b7ce5217.gif
+    :width: 200 px
+    :target: gyroscope1.py_
+    :alt: gyroscope1.py
+
+.. |icon.py| replace:: icon.py
+.. _icon.py: https://github.com/marcomusy/vedo/tree/master/examples/other/icon.py
+.. |icon| image:: https://user-images.githubusercontent.com/32848391/50739009-2bfc2b80-11da-11e9-9e2e-a5e0e987a91a.jpg
+    :width: 200 px
+    :target: icon.py_
+
+.. |lights.py| replace:: lights.py
+.. _lights.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/lights.py
+    :width: 200 px
+    :target: lights.py_
+    :alt: lights.py
+
+.. |lorenz.py| replace:: lorenz.py
+.. _lorenz.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/lorenz.py
+.. |lorenz| image:: https://user-images.githubusercontent.com/32848391/46818115-be7a6380-cd80-11e8-8ffb-60af2631bf71.png
+    :width: 200 px
+    :target: lorenz.py_
+    :alt: lorenz.py
+
+.. |sliders1.py| replace:: sliders1.py
+.. _sliders1.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/sliders1.py
+.. |sliders1| image:: https://user-images.githubusercontent.com/32848391/50738848-be033480-11d8-11e9-9b1a-c13105423a79.jpg
+    :width: 200 px
+    :target: sliders1.py_
+    :alt: sliders1.py
+
+.. |sliders2.py| replace:: sliders2.py
+.. _sliders2.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/sliders2.py
+
+.. |buttons.py| replace:: buttons.py
+.. _buttons.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/buttons.py
+.. |buttons| image:: https://user-images.githubusercontent.com/32848391/50738870-c0fe2500-11d8-11e9-9b78-92754f5c5968.jpg
+    :width: 200 px
+    :target: buttons.py_
+    :alt: buttons.py
+
+.. |cutter.py| replace:: cutter.py
+.. _cutter.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/cutter.py
+.. |cutter| image:: https://user-images.githubusercontent.com/32848391/50738866-c0658e80-11d8-11e9-955b-551d4d8b0db5.jpg
+    :width: 200 px
+    :target: cutter.py_
+    :alt: cutter.py
+
+.. |makeVideo.py| replace:: makeVideo.py
+.. _makeVideo.py: https://github.com/marcomusy/vedo/tree/master/examples/other/makeVideo.py
+.. |makeVideo| image:: https://user-images.githubusercontent.com/32848391/50739007-2bfc2b80-11da-11e9-97e6-620a3541a6fa.jpg
+    :width: 200 px
+    :target: makeVideo.py_
+    :alt: makeVideo.py
+
+.. |fitspheres1.py| replace:: fitspheres1.py
+.. _fitspheres1.py: https://github.com/marcomusy/vedo/tree/master/examples/advanced/fitspheres1.py
+
+.. |fitspheres2.py| replace:: fitspheres2.py
+.. _fitspheres2.py: https://github.com/marcomusy/vedo/tree/master/examples/advanced/fitspheres2.py
+.. |fitspheres2| image:: https://user-images.githubusercontent.com/32848391/50738943-687b5780-11d9-11e9-87a6-054e0fe76241.jpg
+    :width: 200 px
+    :target: fitspheres2.py_
+    :alt: fitspheres2.py
+
+.. |plot_fxy.py| replace:: plot_fxy.py
+.. _plot_fxy.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/plot_fxy.py
+.. |plot_fxy| image:: https://user-images.githubusercontent.com/32848391/36611824-fd524fac-18d4-11e8-8c76-d3d1b1bb3954.png
+    :width: 200 px
+    :target: plot_fxy.py_
+    :alt: plot_fxy.py
+
+.. |histo_hexagonal.py| replace:: histo_hexagonal.py
+.. _histo_hexagonal.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/histo_hexagonal.py
+.. |histo_hexagonal| image:: https://user-images.githubusercontent.com/32848391/72434748-b471bc80-379c-11ea-95d7-d70333770582.png
+    :width: 200 px
+    :target: histo_hexagonal.py_
+    :alt: histo_hexagonal.py
+
+.. |histo_1D.py| replace:: histo_1D.py
+.. _histo_1D.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/histo_1D.py
+.. |histo_1D| image:: https://user-images.githubusercontent.com/32848391/68141260-77cc4e00-ff2d-11e9-9280-0efc5b87314d.png
+    :width: 200 px
+    :target: histo_1D.py_
+    :alt: histo_1D.py
+
+.. |histo_violin.py| replace:: histo_violin.py
+.. _histo_violin.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/histo_violin.py
+.. |histo_violin| image:: https://user-images.githubusercontent.com/32848391/73481240-b55d3d80-439b-11ea-89a4-6c35ecc84b0d.png
+    :width: 200 px
+    :target: histo_violin.py_
+    :alt: histo_violin.py
+
+.. |align3.py| replace:: align3.py
+.. _align3.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/align3.py
+.. |align3| image:: https://user-images.githubusercontent.com/32848391/50738873-c196bb80-11d8-11e9-8653-a41108a5f02d.png
+    :width: 200 px
+    :target: align3.py_
+    :alt: align3.py
+
+.. |pca.py| replace:: pca.py
+.. _pca.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/pca.py
+.. |pca| image:: https://user-images.githubusercontent.com/32848391/50738852-be9bcb00-11d8-11e9-8ac8-ad9278d9cee0.jpg
+    :width: 200 px
+    :target: pca.py_
+    :alt: pca.py
+
+.. |cell_colony.py| replace:: cell_colony.py
+.. _cell_colony.py: https://github.com/marcomusy/vedo/tree/master/examples/simulations/cell_colony.py
+.. |cell_colony| image:: https://user-images.githubusercontent.com/32848391/50738947-7335ec80-11d9-11e9-9a45-6053b4eaf9f9.jpg
+    :width: 200 px
+    :target: cell_colony.py_
+    :alt: cell_colony.py
+
+.. |mesh_smoother1.py| replace:: mesh_smoother1.py
+.. _mesh_smoother1.py: https://github.com/marcomusy/vedo/tree/master/examples/advanced/mesh_smoother1.py
+.. |mesh_smoother1| image:: https://user-images.githubusercontent.com/32848391/50738939-67e2c100-11d9-11e9-90cb-716ff3f03f67.jpg
+    :width: 200 px
+    :target: mesh_smoother1.py_
+    :alt: mesh_smoother1.py
+
+.. |moving_least_squares3D.py| replace:: moving_least_squares3D.py
+.. _moving_least_squares3D.py: https://github.com/marcomusy/vedo/tree/master/examples/advanced/moving_least_squares3D.py
+.. |moving_least_squares3D| image:: https://user-images.githubusercontent.com/32848391/50738935-61544980-11d9-11e9-9c20-f2ce944d2238.jpg
+    :width: 200 px
+    :target: moving_least_squares3D.py_
+    :alt: moving_least_squares3D.py
+
+.. |moving_least_squares2D.py| replace:: moving_least_squares2D.py
+.. _moving_least_squares2D.py: https://github.com/marcomusy/vedo/tree/master/examples/advanced/moving_least_squares2D.py
+.. |moving_least_squares2D| image:: https://user-images.githubusercontent.com/32848391/50738936-61544980-11d9-11e9-9efb-e2a923762b72.jpg
+    :width: 200 px
+    :target: moving_least_squares2D.py_
+    :alt: moving_least_squares2D.py
+
+.. |boolean.py| replace:: boolean.py
+.. _boolean.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/boolean.py
+.. |boolean| image:: https://user-images.githubusercontent.com/32848391/50738871-c0fe2500-11d8-11e9-8812-442b69be6db9.png
+    :width: 200 px
+    :target: boolean.py_
+    :alt: boolean.py
+
+.. |surfIntersect.py| replace:: surfIntersect.py
+.. _surfIntersect.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/surfIntersect.py
+
+.. |probeLine1.py| replace:: probeLine1.py
+.. _probeLine1.py: https://github.com/marcomusy/vedo/tree/master/examples/volumetric/probeLine1.py
+.. |probeLine1| image:: https://user-images.githubusercontent.com/32848391/48198460-3aa0a080-e359-11e8-982d-23fadf4de66f.jpg
+    :width: 200 px
+    :target: probeLine1.py_
+    :alt: probeLine1.py
+
+.. |probeLine2.py| replace:: probeLine2.py
+.. _probeLine2.py: https://github.com/marcomusy/vedo/tree/master/examples/volumetric/probeLine2.py
+
+.. |slicePlane1.py| replace:: slicePlane1.py
+.. _slicePlane1.py: https://github.com/marcomusy/vedo/tree/master/examples/volumetric/slicePlane1.py
+.. |slicePlane1| image:: https://user-images.githubusercontent.com/32848391/48198461-3aa0a080-e359-11e8-8c29-18f287f105e6.jpg
+    :width: 200 px
+    :target: slicePlane1.py_
+    :alt: slicePlane1.py
+
+.. |volumeOperations.py| replace:: volumeOperations.py
+.. _volumeOperations.py: https://github.com/marcomusy/vedo/tree/master/examples/volumetric/volumeOperations.py
+.. |volumeOperations| image:: https://user-images.githubusercontent.com/32848391/48198940-d1ba2800-e35a-11e8-96a7-ffbff797f165.jpg
+    :width: 200 px
+    :alt: volumeOperations.py
+
+.. |clustering.py| replace:: clustering.py
+.. _clustering.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/clustering.py
+.. |clustering| image:: https://user-images.githubusercontent.com/32848391/46817286-2039ce00-cd7f-11e8-8b29-42925e03c974.png
+    :width: 200 px
+    :target: clustering.py_
+    :alt: clustering.py
+
+.. |thinplate_morphing1.py| replace:: thinplate_morphing1.py
+.. _thinplate_morphing1.py: https://github.com/marcomusy/vedo/tree/master/examples/advanced/thinplate_morphing1.py
+.. |thinplate_morphing1| image:: https://user-images.githubusercontent.com/32848391/51403917-34495480-1b52-11e9-956c-918c7805a9b5.png
+    :width: 200 px
+    :target: thinplate_morphing1.py_
+    :alt: thinplate_morphing1.py
+
+.. |colorcubes.py| replace:: colorcubes.py
+.. _colorcubes.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/colorcubes.py
+.. |colorcubes| image:: https://user-images.githubusercontent.com/32848391/50738867-c0658e80-11d8-11e9-9e05-ac69b546b7ec.png
+    :width: 200 px
+    :target: colorcubes.py_
+    :alt: colorcubes.py
+
+.. |colorpalette.py| replace:: colorpalette.py
+.. _colorpalette.py: https://github.com/marcomusy/vedo/tree/master/examples/other/colorpalette.py
+.. |colorpalette| image:: https://user-images.githubusercontent.com/32848391/50739011-2c94c200-11da-11e9-8f36-ede1b2a014a8.jpg
+    :width: 200 px
+    :target: colorpalette.py
+    :alt: colorpalette.py
+
+.. |colormaps| image:: https://user-images.githubusercontent.com/32848391/50738804-577e1680-11d8-11e9-929e-fca17a8ac6f3.jpg
+    :width: 450 px
+    :alt: colormaps
+
+.. |colorprint.py| replace:: printc.py
+.. _colorprint.py: https://github.com/marcomusy/vedo/tree/master/examples/other/printc.py
+.. |colorprint| image:: https://user-images.githubusercontent.com/32848391/50739010-2bfc2b80-11da-11e9-94de-011e50a86e61.jpg
+    :target: colorprint.py_
+    :alt: colorprint.py
+
+.. |ribbon.py| replace:: ribbon.py
+.. _ribbon.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/ribbon.py
+.. |ribbon| image:: https://user-images.githubusercontent.com/32848391/50738851-be9bcb00-11d8-11e9-80ee-bd73c1c29c06.jpg
+    :width: 200 px
+    :target: ribbon.py_
+    :alt: ribbon.py
+
+.. |manyspheres.py| replace:: manyspheres.py
+.. _manyspheres.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/manyspheres.py
+.. |manyspheres| image:: https://user-images.githubusercontent.com/32848391/46818673-1f566b80-cd82-11e8-9a61-be6a56160f1c.png
+    :target: manyspheres.py_
+
+.. |manypoints.py| replace:: manypoints.py
+.. _manypoints.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/manypoints.py
+
+.. |earth.py| replace:: earth.py
+.. _earth.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/earth.py
+.. |earth| image:: https://user-images.githubusercontent.com/32848391/51031592-5a448700-159d-11e9-9b66-bee6abb18679.png
+    :width: 200 px
+    :target: earth.py_
+    :alt: earth.py
+
+.. |brownian2D.py| replace:: brownian2D.py
+.. _brownian2D.py: https://github.com/marcomusy/vedo/tree/master/examples/simulations/brownian2D.py
+.. |brownian2D| image:: https://user-images.githubusercontent.com/32848391/50738948-73ce8300-11d9-11e9-8ef6-fc4f64c4a9ce.gif
+    :width: 200 px
+    :target: brownian2D.py_
+
+.. |gas.py| replace:: gas.py
+.. _gas.py: https://github.com/marcomusy/vedo/tree/master/examples/simulations/gas.py
+.. |gas| image:: https://user-images.githubusercontent.com/32848391/50738954-7e891800-11d9-11e9-95aa-67c92ca6476b.gif
+    :width: 200 px
+    :target: gas.py_
+    :alt: gas.py
+
+.. |tube.py| replace:: tube.py
+.. _tube.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/tube.py
+.. |tube| image:: https://user-images.githubusercontent.com/32848391/51801626-adc30000-2240-11e9-8866-9d9d5d8790ab.png
+    :width: 200 px
+    :target: tube.py_
+    :alt: tube.py
+
+.. |mesh_threshold.py| replace:: mesh_threshold.py
+.. _mesh_threshold.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/mesh_threshold.py
+.. |mesh_threshold| image:: https://user-images.githubusercontent.com/32848391/51807663-4762cf80-228a-11e9-9d0c-184bb11a97bf.png
+    :width: 200 px
+    :target: mesh_threshold.py_
+    :alt: mesh_threshold.py
+
+.. |cutWithMesh1.py| replace:: cutWithMesh1.py
+.. _cutWithMesh1.py: https://github.com/marcomusy/vedo/tree/master/examples/advanced/cutWithMesh1.py
+.. |cutWithMesh1| image:: https://user-images.githubusercontent.com/32848391/51808907-e7c0f000-229a-11e9-98a7-fefc7261b3c3.png
+    :width: 200 px
+    :target: cutWithMesh1.py_
+    :alt: cutWithMesh1.py
+
+.. |paraboloid| image:: https://user-images.githubusercontent.com/32848391/51211547-260ef480-1916-11e9-95f6-4a677e37e355.png
+    :width: 200 px
+    :alt: paraboloid
+
+.. |isosurfaces.py| replace:: isosurfaces.py
+.. _isosurfaces.py: https://github.com/marcomusy/vedo/tree/master/examples/volumetric/isosurfaces.py
+.. |isosurfaces| image:: https://user-images.githubusercontent.com/32848391/51558920-ec436e00-1e80-11e9-9d96-aa9b7c72d58b.png
+    :width: 200 px
+    :target: isosurfaces.py_
+    :alt: isosurfaces.py
+
+.. |meshquality.py| replace:: meshquality.py
+.. _meshquality.py: https://github.com/marcomusy/vedo/tree/master/examples/advanced/meshquality.py
+.. |meshquality| image:: https://user-images.githubusercontent.com/32848391/51831269-fb4b7580-22f1-11e9-81ea-13467a5649ca.png
+    :width: 200 px
+    :target: meshquality.py_
+    :alt: meshquality.py
+
+.. |geodesic.py| replace:: geodesic.py
+.. _geodesic.py: https://github.com/marcomusy/vedo/tree/master/examples/advanced/geodesic.py
+.. |geodesic| image:: https://user-images.githubusercontent.com/32848391/51855637-015f4780-232e-11e9-92ca-053a558e7f70.png
+    :width: 200 px
+    :target: geodesic.py_
+    :alt: geodesic.py
+
+
+.. |cutAndCap.py| replace:: cutAndCap.py
+.. _cutAndCap.py: https://github.com/marcomusy/vedo/tree/master/examples/advanced/cutAndCap.py
+.. |cutAndCap| image:: https://user-images.githubusercontent.com/32848391/51930515-16ee7300-23fb-11e9-91af-2b6b3d626246.png
+    :width: 200 px
+    :target: cutAndCap.py_
+    :alt: cutAndCap.py
+
+
+.. |convexHull.py| replace:: convexHull.py
+.. _convexHull.py: https://github.com/marcomusy/vedo/tree/master/examples/advanced/convexHull.py
+.. |convexHull| image:: https://user-images.githubusercontent.com/32848391/51932732-068cc700-2400-11e9-9b68-30294a4fa4e3.png
+    :width: 200 px
+    :target: convexHull.py_
+    :alt: convexHull.py
+
+.. |curvature| image:: https://user-images.githubusercontent.com/32848391/51934810-c2e88c00-2404-11e9-8e7e-ca0b7984bbb7.png
+    :alt: curvature
+
+.. |progbar| image:: https://user-images.githubusercontent.com/32848391/51858823-ed1f4880-2335-11e9-8788-2d102ace2578.png
+    :alt: progressbar
+
+.. |multiwindows| image:: https://user-images.githubusercontent.com/32848391/50738853-be9bcb00-11d8-11e9-9c8e-69864ad7c045.jpg
+    :alt: multiwindows
+
+.. |annotations.py| replace:: annotations.py
+.. _annotations.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/annotations.py
+
+.. |Cone| image:: https://raw.githubusercontent.com/lorensen/VTKExamples/master/src/Testing/Baseline/Cxx/GeometricObjects/TestCone.png
+    :width: 200 px
+
+.. |Cylinder| image:: https://raw.githubusercontent.com/lorensen/VTKExamples/master/src/Testing/Baseline/Cxx/GeometricObjects/TestCylinder.png
+    :width: 200 px
+
+.. |Disk| image:: https://raw.githubusercontent.com/lorensen/VTKExamples/master/src/Testing/Baseline/Cxx/GeometricObjects/TestDisk.png
+    :width: 200 px
+
+.. |OrientedArrow| image:: https://raw.githubusercontent.com/lorensen/VTKExamples/master/src/Testing/Baseline/Cxx/GeometricObjects/TestOrientedArrow.png
+    :width: 200 px
+
+.. |Plane| image:: https://raw.githubusercontent.com/lorensen/VTKExamples/master/src/Testing/Baseline/Cxx/GeometricObjects/TestPlane.png
+    :width: 200 px
+
+.. |Polygon| image:: https://raw.githubusercontent.com/lorensen/VTKExamples/master/src/Testing/Baseline/Cxx/GeometricObjects/TestRegularPolygonSource.png
+    :width: 200 px
+
+.. |Sphere| image:: https://raw.githubusercontent.com/lorensen/VTKExamples/master/src/Testing/Baseline/Cxx/GeometricObjects/TestSphere.png
+    :width: 200 px
+
+
+.. |embryoslider| image:: https://user-images.githubusercontent.com/32848391/52141624-975ce000-2656-11e9-8d31-2a3c92ab79d6.png
+    :width: 200 px
+
+.. |isosurfaces1| image:: https://user-images.githubusercontent.com/32848391/52141625-975ce000-2656-11e9-91fc-291e072fc4c1.png
+    :width: 200 px
+
+.. |splitmesh.py| replace:: splitmesh.py
+.. _splitmesh.py: https://github.com/marcomusy/vedo/tree/master/examples/advanced/splitmesh.py
+.. |splitmesh| image:: https://user-images.githubusercontent.com/32848391/52141626-97f57680-2656-11e9-80ea-fcd3571a6422.png
+    :width: 200 px
+    :target: splitmesh.py_
+    :alt: splitmesh.py
+
+.. |thinplate_morphing2.py| replace:: thinplate_morphing2.py
+.. _thinplate_morphing2.py: https://github.com/marcomusy/vedo/tree/master/examples/advanced/thinplate_morphing2.py
+.. |thinplate_morphing2| image:: https://user-images.githubusercontent.com/32848391/52142303-9927a300-2658-11e9-98db-ebad4883f99f.png
+    :width: 200 px
+    :target: thinplate_morphing2.py_
+    :alt: thinplate_morphing2.py
+
+.. |projectsphere.py| replace:: projectsphere.py
+.. _projectsphere.py: https://github.com/marcomusy/vedo/tree/master/examples/advanced/projectsphere.py
+.. |projectsphere| image:: https://user-images.githubusercontent.com/32848391/52144163-c9be0b80-265d-11e9-9ce6-d6f2b919c214.png
+    :width: 200 px
+    :target: projectsphere.py_
+    :alt: projectsphere.py
+
+
+.. |mesh2volume.py| replace:: mesh2volume.py
+.. _mesh2volume.py: https://github.com/marcomusy/vedo/tree/master/examples/volumetric/mesh2volume.py
+.. |mesh2volume| image:: https://user-images.githubusercontent.com/32848391/52168902-5638fe80-2730-11e9-8033-8e470a3d4f0f.jpg
+    :width: 200 px
+    :target: mesh2volume.py_
+    :alt: mesh2volume.py
+
+.. |markpoint.py| replace:: markpoint.py
+.. _markpoint.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/markpoint.py
+.. |markpoint| image:: https://user-images.githubusercontent.com/32848391/52169969-1fb7af80-2741-11e9-937f-5c331d9a1d11.jpg
+    :width: 200 px
+    :target: markpoint.py_
+    :alt: markpoint.py
+
+.. |readVolumeAsIsoSurface.py| replace:: readVolumeAsIsoSurface.py
+.. _readVolumeAsIsoSurface.py: https://github.com/marcomusy/vedo/tree/master/examples/volumetric/readVolumeAsIsoSurface.py
+
+.. |read_volume2.py| replace:: read_volume2.py
+.. _read_volume2.py: https://github.com/marcomusy/vedo/tree/master/examples/volumetric/read_volume2.py
+.. |read_volume2| image:: https://user-images.githubusercontent.com/32848391/50739036-6bc31300-11da-11e9-89b3-04a75187f812.jpg
+    :width: 200 px
+    :target: read_volume2.py_
+    :alt: read_volume2.py
+
+.. |glyphs.py| replace:: glyphs.py
+.. _glyphs.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/glyphs.py
+.. |glyphs| image:: https://user-images.githubusercontent.com/32848391/52233403-47cd1d00-28bf-11e9-86b0-cbceebbde0de.jpg
+    :width: 200 px
+    :target: glyphs.py_
+    :alt: glyphs.py
+
+.. |glyphs_arrows.py| replace:: glyphs_arrows.py
+.. _glyphs_arrows.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/glyphs_arrows.py
+.. |glyphs_arrows| image:: https://user-images.githubusercontent.com/32848391/55897850-a1a0da80-5bc1-11e9-81e0-004c8f396b43.jpg
+    :width: 200 px
+    :target: glyphs_arrows.py_
+    :alt: glyphs_arrows.py
+
+.. |interpolateField.py| replace:: interpolateField.py
+.. _interpolateField.py: https://github.com/marcomusy/vedo/tree/master/examples/advanced/interpolateField.py
+.. |interpolateField| image:: https://user-images.githubusercontent.com/32848391/52416117-25b6e300-2ae9-11e9-8d86-575b97e543c0.png
+    :width: 200 px
+    :target: interpolateField.py_
+    :alt: interpolateField.py
+
+.. |rotateImage.py| replace:: rotateImage.py
+.. _rotateImage.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/rotateImage.py
+.. |rotateImage| image:: https://user-images.githubusercontent.com/32848391/52416910-fb662500-2aea-11e9-88ba-9c73128e8666.jpg
+    :width: 200 px
+    :target: rotateImage.py_
+    :alt: rotateImage.py
+
+.. |basicshapes| image:: https://user-images.githubusercontent.com/32848391/50738811-58af4380-11d8-11e9-9bfb-378c27c9d26f.png
+    :alt: basicshapes
+
+.. |lines| image:: https://user-images.githubusercontent.com/32848391/52503049-ac9cb600-2be4-11e9-86af-72a538af14ef.png
+    :width: 200 px
+    :alt: lines
+
+.. |vlogo_large| image:: https://user-images.githubusercontent.com/32848391/52522716-4fa70b80-2c89-11e9-92a7-0d22cbe34758.png
+    :alt: vlogo_large
+
+.. |vlogo_medium| image:: https://user-images.githubusercontent.com/32848391/52522717-503fa200-2c89-11e9-87ab-67eb44652e24.png
+    :alt: vlogo_medium
+
+.. |vlogo_small| image:: https://user-images.githubusercontent.com/32848391/52522718-50d83880-2c89-11e9-80ff-df1b5618a84a.png
+    :alt: vlogo_small
+
+.. |vlogo_small_dark| image:: https://user-images.githubusercontent.com/32848391/52522719-50d83880-2c89-11e9-8b90-a1c21c27b007.png
+    :alt: vlogo_small_dark
+
+.. |vlogo_tube| image:: https://user-images.githubusercontent.com/32848391/52522720-5170cf00-2c89-11e9-8b1d-a7a5cf75e71b.png
+    :alt: vlogo_tube
+
+.. |vlogo_tube_dark| image:: https://user-images.githubusercontent.com/32848391/52522721-5170cf00-2c89-11e9-8fbb-6efa13940aa1.png
+    :alt: vlogo_tube_dark
+
+.. |fitline.py| replace:: fitline.py
+.. _fitline.py: https://github.com/marcomusy/vedo/tree/master/examples/advanced/fitline.py
+.. |fitline| image:: https://user-images.githubusercontent.com/32848391/50738864-c0658e80-11d8-11e9-8754-c670f1f331d6.jpg
+    :width: 200 px
+    :target: fitline.py_
+    :alt: fitline.py
+
+.. |sliders3d.py| replace:: sliders3d.py
+.. _sliders3d.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/sliders3d.py
+.. |sliders3d| image:: https://user-images.githubusercontent.com/32848391/52859555-4efcf200-312d-11e9-9290-6988c8295163.png
+    :width: 200 px
+    :target: sliders3d.py_
+    :alt: sliders3d.py
+
+.. |ex01_showmesh.py| replace:: ex01_showmesh.py
+.. _ex01_showmesh.py: https://github.com/marcomusy/vedo/tree/master/examples/other/dolfin/ex01_show-mesh.py
+.. |ex01_showmesh| image:: https://user-images.githubusercontent.com/32848391/53026243-d2d31900-3462-11e9-9dde-518218c241b6.jpg
+    :width: 200 px
+    :target: ex01_showmesh.py_
+    :alt: ex01_showmesh.py
+
+.. |ex02_tetralize-mesh.py| replace:: ex02_tetralize-mesh.py
+.. _ex02_tetralize-mesh.py: https://github.com/marcomusy/vedo/tree/master/examples/other/dolfin/ex02_tetralize-mesh.py
+.. |ex02_tetralize-mesh| image:: https://user-images.githubusercontent.com/32848391/53026244-d2d31900-3462-11e9-835a-1fa9d66d3dae.png
+    :width: 200 px
+    :target: ex02_tetralize-mesh.py_
+    :alt: ex02_tetralize-mesh.py
+
+.. |ex06_elasticity1.py| replace:: ex06_elasticity1.py
+.. _ex06_elasticity1.py: https://github.com/marcomusy/vedo/tree/master/examples/other/dolfin/ex06_elasticity1.py
+.. |ex06_elasticity1| image:: https://user-images.githubusercontent.com/32848391/53026245-d2d31900-3462-11e9-9db4-96211569d114.jpg
+    :width: 200 px
+    :target: ex06_elasticity1.py_
+    :alt: ex06_elasticity1.py
+
+.. |ex06_elasticity2.py| replace:: ex06_elasticity2.py
+.. _ex06_elasticity2.py: https://github.com/marcomusy/vedo/tree/master/examples/other/dolfin/ex06_elasticity2.py
+.. |ex06_elasticity2| image:: https://user-images.githubusercontent.com/32848391/53026246-d36baf80-3462-11e9-96a5-8eaf0bb0f9a4.jpg
+    :width: 200 px
+    :target: ex06_elasticity2.py_
+    :alt: ex06_elasticity2.py
+
+
+.. |flatarrow.py| replace:: flatarrow.py
+.. _flatarrow.py: https://github.com/marcomusy/vedo/tree/master/examples/other/basic/flatarrow.py
+.. |flatarrow| image:: https://user-images.githubusercontent.com/32848391/54612632-97c00780-4a59-11e9-8532-940c25a5dfd8.png
+    :width: 200 px
+    :target: flatarrow.py_
+    :alt: flatarrow.py
+
+.. |printhisto| image:: https://user-images.githubusercontent.com/32848391/55073046-03732780-508d-11e9-9bf9-c5de8631dd73.png
+    :width: 200 px
+
+.. |distance2mesh.py| replace:: distance2mesh.py
+.. _distance2mesh.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/distance2mesh.py
+.. |distance2mesh| image:: https://user-images.githubusercontent.com/32848391/55965881-b5a71380-5c77-11e9-8680-5bddceab813a.png
+    :width: 200 px
+    :target: distance2mesh.py_
+    :alt: distance2mesh.py
+
+.. |pendulum.py| replace:: pendulum.py
+.. _pendulum.py: https://github.com/marcomusy/vedo/tree/master/examples/simulations/pendulum.py
+.. |pendulum| image:: https://user-images.githubusercontent.com/32848391/55420020-51e56200-5576-11e9-8513-4a5d93913b17.png
+    :width: 200 px
+    :target: pendulum.py_
+    :alt: pendulum.py
+
+.. |latex.py| replace:: latex.py
+.. _latex.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/latex.py
+.. |latex| image:: https://user-images.githubusercontent.com/32848391/55568648-6190b200-5700-11e9-9547-0798c588a7a5.png
+    :width: 200 px
+    :target: latex.py_
+    :alt: latex.py
+
+.. |ft04_heat_gaussian.py| replace:: ft04_heat_gaussian.py
+.. _ft04_heat_gaussian.py: https://github.com/marcomusy/vedo/tree/master/examples/other/dolfin/ft04_heat_gaussian.py
+.. |ft04_heat_gaussian| image:: https://user-images.githubusercontent.com/32848391/55578167-88a5ae80-5715-11e9-84ea-bdab54099887.gif
+    :width: 200 px
+    :target: ft04_heat_gaussian.py_
+    :alt: ft04_heat_gaussian.py
+
+.. |cutcube| image:: https://user-images.githubusercontent.com/32848391/55965516-08cc9680-5c77-11e9-8d23-720f6c088ea2.png
+    :width: 200 px
+
+.. |intline| image:: https://user-images.githubusercontent.com/32848391/55967065-eee08300-5c79-11e9-8933-265e1bab9f7e.png
+    :width: 200 px
+
+.. |cropped| image:: https://user-images.githubusercontent.com/32848391/57081955-0ef1e800-6cf6-11e9-99de-b45220939bc9.png
+    :width: 200 px
+
+.. |dolfinmesh| image:: https://user-images.githubusercontent.com/32848391/53026243-d2d31900-3462-11e9-9dde-518218c241b6.jpg
+    :width: 200 px
+
+.. |turing_pattern.py| replace:: turing_pattern.py
+.. _turing_pattern.py: https://github.com/marcomusy/vedo/tree/master/examples/other/dolfin/turing_pattern.py
+.. |turing_pattern| image:: https://user-images.githubusercontent.com/32848391/56056437-77cfeb00-5d5c-11e9-9887-828e5745d547.gif
+    :width: 200 px
+    :target: turing_pattern.py_
+    :alt: turing_pattern.py
+
+.. |demo_cahn-hilliard.py| replace:: demo_cahn-hilliard.py
+.. _demo_cahn-hilliard.py: https://github.com/marcomusy/vedo/tree/master/examples/other/dolfin/demo_cahn-hilliard.py
+.. |demo_cahn-hilliard| image:: https://user-images.githubusercontent.com/32848391/56664730-edb34b00-66a8-11e9-9bf3-73431f2a98ac.gif
+    :width: 200 px
+    :target: demo_cahn-hilliard.py_
+    :alt: demo_cahn-hilliard.py
+
+
+.. |navier-stokes_lshape.py| replace:: navier-stokes_lshape.py
+.. _navier-stokes_lshape.py: https://github.com/marcomusy/vedo/tree/master/examples/other/dolfin/navier-stokes_lshape.py
+.. |navier-stokes_lshape| image:: https://user-images.githubusercontent.com/32848391/56671156-6bc91f00-66b4-11e9-8c58-e6b71e2ad1d0.gif
+    :width: 200 px
+    :target: navier-stokes_lshape.py_
+    :alt: navier-stokes_lshape.py
+
+
+.. |mesh_map2cell.py| replace:: mesh_map2cell.py
+.. _mesh_map2cell.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/mesh_map2cell.py
+.. |mesh_map2cell| image:: https://user-images.githubusercontent.com/32848391/56600859-0153a880-65fa-11e9-88be-34fd96b18e9a.png
+    :width: 200 px
+    :target: mesh_map2cell.py_
+    :alt: mesh_map2cell.py
+
+
+.. |ex03_poisson.py| replace:: ex03_poisson.py
+.. _ex03_poisson.py: https://github.com/marcomusy/vedo/tree/master/examples/other/dolfin/ex03_poisson.py
+.. |ex03_poisson| image:: https://user-images.githubusercontent.com/32848391/54925524-bec18200-4f0e-11e9-9eab-29fd61ef3b8e.png
+    :width: 200 px
+    :target: ex03_poisson.py_
+    :alt: ex03_poisson.py
+
+.. |elastodynamics.py| replace:: elastodynamics.py
+.. _elastodynamics.py: https://github.com/marcomusy/vedo/tree/master/examples/other/dolfin/elastodynamics.py
+.. |elastodynamics| image:: https://user-images.githubusercontent.com/32848391/54932788-bd4a8680-4f1b-11e9-9326-33645171a45e.gif
+    :width: 200 px
+    :target: elastodynamics.py_
+    :alt: elastodynamics.py
+
+.. |ft02_poisson_membrane.py| replace:: ft02_poisson_membrane.py
+.. _ft02_poisson_membrane.py: https://github.com/marcomusy/vedo/tree/master/examples/other/dolfin/ft02_poisson_membrane.py
+.. |ft02_poisson_membrane| image:: https://user-images.githubusercontent.com/32848391/55499287-ed91d380-5645-11e9-8e9a-e31e2e3b1649.jpg
+    :width: 200 px
+    :target: ft02_poisson_membrane.py_
+    :alt: ft02_poisson_membrane.py
+
+
+.. |stokes.py| replace:: stokes.py
+.. _stokes.py: https://github.com/marcomusy/vedo/tree/master/examples/other/dolfin/stokes.py
+.. |stokes| image:: https://user-images.githubusercontent.com/32848391/55098209-aba0e480-50bd-11e9-8842-42d3f0b2d9c8.png
+    :width: 200 px
+    :target: stokes.py_
+    :alt: stokes.py
+
+.. |stokes1.py| replace:: stokes1.py
+.. _stokes1.py: https://github.com/marcomusy/vedo/tree/master/examples/other/dolfin/stokes.py
+.. |stokes1| image:: https://user-images.githubusercontent.com/32848391/56986911-6116fa00-6b8c-11e9-83f5-5b4efe430c0c.jpg
+    :width: 200 px
+    :target: stokes1.py_
+    :alt: stokes1.py
+
+.. |demo_submesh.py| replace:: demo_submesh.py
+.. _demo_submesh.py: https://github.com/marcomusy/vedo/tree/master/examples/other/dolfin/demo_submesh.py
+.. |demo_submesh| image:: https://user-images.githubusercontent.com/32848391/56675428-4e984e80-66bc-11e9-90b0-43dde7e4cc29.png
+    :width: 200 px
+    :target: demo_submesh.py_
+    :alt: demo_submesh.py
+
+.. |pi_estimate.py| replace:: pi_estimate.py
+.. _pi_estimate.py: https://github.com/marcomusy/vedo/tree/master/examples/other/dolfin/pi_estimate.py
+.. |pi_estimate| image:: https://user-images.githubusercontent.com/32848391/56675429-4e984e80-66bc-11e9-9217-a0652a8e74fe.png
+    :width: 200 px
+    :target: pi_estimate.py_
+    :alt: pi_estimate.py
+
+.. |isolines.py| replace:: isolines.py
+.. _isolines.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/isolines.py
+.. |isolines| image:: https://user-images.githubusercontent.com/32848391/72433087-f00a8780-3798-11ea-9778-991f0abeca70.png
+    :width: 200 px
+    :target: isolines.py_
+    :alt: isolines.py
+
+.. |inset.py| replace:: inset.py
+.. _inset.py: https://github.com/marcomusy/vedo/tree/master/examples/other/inset.py
+.. |inset| image:: https://user-images.githubusercontent.com/32848391/56758560-3c3f1300-6797-11e9-9b33-49f5a4876039.jpg
+    :width: 200 px
+    :target: inset.py_
+    :alt: inset.py
+
+.. |legosurface.py| replace:: legosurface.py
+.. _legosurface.py: https://github.com/marcomusy/vedo/tree/master/examples/volumetric/legosurface.py
+.. |legosurface| image:: https://user-images.githubusercontent.com/32848391/56820682-da40e500-684c-11e9-8ea3-91cbcba24b3a.png
+    :width: 200 px
+    :target: legosurface.py_
+    :alt: legosurface.py
+
+
+.. |streamribbons.py| replace:: streamribbons.py
+.. _streamribbons.py: https://github.com/marcomusy/vedo/tree/master/examples/volumetric/streamribbons.py
+.. |streamribbons| image:: https://user-images.githubusercontent.com/32848391/56963999-9145a500-6b5a-11e9-9461-0037c471faab.png
+    :width: 200 px
+    :target: streamribbons.py_
+    :alt: streamribbons.py
+
+
+.. |streamlines1.py| replace:: streamlines1.py
+.. _streamlines1.py: https://github.com/marcomusy/vedo/tree/master/examples/volumetric/streamlines1.py
+.. |streamlines1| image:: https://user-images.githubusercontent.com/32848391/56964002-9145a500-6b5a-11e9-9e3f-da712609d896.png
+    :width: 200 px
+    :target: streamlines1.py_
+    :alt: streamlines1.py
+
+.. |streamlines2.py| replace:: streamlines2.py
+.. _streamlines2.py: https://github.com/marcomusy/vedo/tree/master/examples/volumetric/streamlines2.py
+.. |streamlines2| image:: https://user-images.githubusercontent.com/32848391/56964001-9145a500-6b5a-11e9-935b-1b2425bd7dd2.png
+    :width: 200 px
+    :target: streamlines2.py_
+    :alt: streamlines2.py
+
+.. |office.py| replace:: office.py
+.. _office.py: https://github.com/marcomusy/vedo/tree/master/examples/volumetric/office.py
+.. |office| image:: https://user-images.githubusercontent.com/32848391/56964003-9145a500-6b5a-11e9-9d9e-9736d90e1900.png
+    :width: 200 px
+    :target: office.py_
+    :alt: office.py
+
+.. |value-iteration.py| replace:: value-iteration.py
+.. _value-iteration.py: https://github.com/marcomusy/vedo/tree/master/examples/other/value-iteration.py
+.. |value-iteration| image:: https://user-images.githubusercontent.com/32848391/56964055-afaba080-6b5a-11e9-99cf-3fac99df9878.jpg
+    :width: 200 px
+    :target: value-iteration.py_
+    :alt: value-iteration.py
+
+.. |magnetostatics.py| replace:: magnetostatics.py
+.. _magnetostatics.py: https://github.com/marcomusy/vedo/tree/master/examples/other/dolfin/magnetostatics.py
+.. |magnetostatics| image:: https://user-images.githubusercontent.com/32848391/56985162-fb287380-6b87-11e9-9cf9-045bd08c3b9b.jpg
+    :width: 200 px
+    :target: magnetostatics.py_
+    :alt: magnetostatics.py
+
+.. |export_x3d.py| replace:: export_x3d.py
+.. _export_x3d.py: https://github.com/marcomusy/vedo/tree/master/examples/other/export_x3d.py
+.. |export_x3d| image:: https://user-images.githubusercontent.com/32848391/57160341-c6ffbd80-6de8-11e9-95ff-7215ce642bc5.jpg
+    :width: 200 px
+    :target: export_x3d.py_
+    :alt: export_x3d.py
+
+
+.. |silhouette.py| replace:: silhouette.py
+.. _silhouette.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/silhouette1.py
+.. |silhouette| image:: https://user-images.githubusercontent.com/32848391/57179369-8e5df380-6e7d-11e9-99b4-3b1a120dd375.png
+    :width: 200 px
+    :target: silhouette.py_
+    :alt: silhouette.py
+
+.. |shadow.py| replace:: shadow.py
+.. _shadow.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/shadow.py
+.. |shadow| image:: https://user-images.githubusercontent.com/32848391/57312574-1d714280-70ee-11e9-8741-04fc5386d692.png
+    :width: 200 px
+    :target: shadow.py_
+    :alt: shadow.py
+
+.. |airplanes.py| replace:: airplanes.py
+.. _airplanes.py: https://github.com/marcomusy/vedo/tree/master/examples/simulations/airplanes.py
+.. |airplanes| image:: https://user-images.githubusercontent.com/32848391/57341963-b8910900-713c-11e9-898a-84b6d3712bce.gif
+    :width: 200 px
+    :target: airplanes.py_
+    :alt: airplanes.py
+
+
+.. |heatconv.py| replace:: heatconv.py
+.. _heatconv.py: https://github.com/marcomusy/vedo/tree/master/examples/other/dolfin/heatconv.py
+.. |heatconv| image:: https://user-images.githubusercontent.com/32848391/57455107-b200af80-726a-11e9-897d-9c7bcb9854ac.gif
+    :width: 200 px
+    :target: heatconv.py_
+    :alt: heatconv.py
+
+.. |scalemesh.py| replace:: scalemesh.py
+.. _scalemesh.py: https://github.com/marcomusy/vedo/tree/master/examples/other/dolfin/scalemesh.py
+.. |scalemesh| image:: https://user-images.githubusercontent.com/32848391/57393382-431c4b80-71c3-11e9-9a2c-8abb172f5468.png
+    :width: 200 px
+    :target: scalemesh.py_
+    :alt: scalemesh.py
+
+.. |elasticbeam.py| replace:: elasticbeam.py
+.. _elasticbeam.py: https://github.com/marcomusy/vedo/tree/master/examples/other/dolfin/elasticbeam.py
+.. |elasticbeam| image:: https://user-images.githubusercontent.com/32848391/57476429-d7a3ae00-7296-11e9-9f50-8f456823ef3d.png
+    :width: 200 px
+    :target: elasticbeam.py_
+    :alt: elasticbeam.py
+
+.. |specular.py| replace:: specular.py
+.. _specular.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/specular.py
+.. |specular| image:: https://user-images.githubusercontent.com/32848391/57543051-8c030a00-7353-11e9-84cd-b01f3449d255.jpg
+    :width: 200 px
+    :target: specular.py_
+    :alt: specular.py
+
+.. |wavy_1d.py| replace:: wavy_1d.py
+.. _wavy_1d.py: https://github.com/marcomusy/vedo/tree/master/examples/other/dolfin/wavy_1d.py
+.. |wavy_1d| image:: https://user-images.githubusercontent.com/32848391/57570898-70593b80-7407-11e9-87cf-ce498f499c09.gif
+    :width: 200 px
+    :target: wavy_1d.py_
+    :alt: wavy_1d.py
+
+.. |idealpass.link| replace:: idealpass.link
+.. _idealpass.link: https://lorensen.github.io/VTKExamples/site/Cxx/ImageProcessing/IdealHighPass
+.. |idealpass| image:: https://raw.githubusercontent.com/lorensen/VTKExamples/master/src/Testing/Baseline/Cxx/ImageProcessing/TestIdealHighPass.png
+    :width: 200 px
+    :target: idealpass.link_
+
+.. |buildmesh.py| replace:: buildmesh.py
+.. _buildmesh.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/buildmesh.py
+.. |buildmesh| image:: https://user-images.githubusercontent.com/32848391/57858625-b0e2fb80-77f1-11e9-94f0-1973ed86ae70.png
+    :width: 200 px
+    :target: buildmesh.py_
+    :alt: buildmesh.py
+
+.. |customAxes1.py| replace:: customAxes1.py
+.. _customAxes1.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/customAxes1.py
+.. |customAxes1| image:: https://user-images.githubusercontent.com/32848391/58181826-c605d180-7cac-11e9-9786-11b5eb278f20.png
+    :width: 200 px
+    :target: customAxes1.py_
+    :alt: customAxes1.py
+
+.. |customAxes2.py| replace:: customAxes2.py
+.. _customAxes2.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/customAxes2.py
+
+.. |customAxes3.py| replace:: customAxes3.py
+.. _customAxes3.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/customAxes3.py
+
+.. |awefem.py| replace:: awefem.py
+.. _awefem.py: https://github.com/marcomusy/vedo/tree/master/examples/other/dolfin/awefem.py
+.. |awefem| image:: https://user-images.githubusercontent.com/32848391/58368591-8b3fab80-7eef-11e9-882f-8b8eaef43567.gif
+    :width: 200 px
+    :target: awefem.py_
+    :alt: awefem.py
+
+.. |fenics_logo| image:: https://user-images.githubusercontent.com/32848391/58764910-3940fa80-856d-11e9-8160-af89a5ab5d02.gif
+
+.. |thinplate_morphing_2d.py| replace:: thinplate_morphing_2d.py
+.. _thinplate_morphing_2d.py: https://github.com/marcomusy/vedo/tree/master/examples/advanced/thinplate_morphing_2d.py
+.. |thinplate_morphing_2d| image:: https://user-images.githubusercontent.com/32848391/59032715-385ae200-8867-11e9-9b07-7f4f8fbfa5bd.png
+    :width: 200 px
+    :target: thinplate_morphing_2d.py_
+    :alt: thinplate_morphing_2d.py
+
+.. |interpolateVolume.py| replace:: interpolateVolume.py
+.. _interpolateVolume.py: https://github.com/marcomusy/vedo/tree/master/examples/volumetric/interpolateVolume.py
+.. |interpolateVolume| image:: https://user-images.githubusercontent.com/32848391/59095175-1ec5a300-8918-11e9-8bc0-fd35c8981e2b.jpg
+    :width: 200 px
+    :target: interpolateVolume.py_
+    :alt: interpolateVolume.py
+
+.. |deleteMeshPoints.py| replace:: deleteMeshPoints.py
+.. _deleteMeshPoints.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/deleteMeshPoints.py
+.. |deleteMeshPoints| image:: https://user-images.githubusercontent.com/32848391/59768041-e9b83980-92a3-11e9-94f4-ca1f92540e9f.png
+    :width: 200 px
+    :target: deleteMeshPoints.py_
+    :alt: deleteMeshPoints.py
+
+.. |gray_scott.ipynb| replace:: gray_scott.ipynb
+.. _gray_scott.ipynb: https://github.com/marcomusy/vedo/tree/master/examples/simulations/gray_scott.ipynb
+.. |gray_scott| image:: https://user-images.githubusercontent.com/32848391/59788744-aaeaa980-92cc-11e9-825d-58da26ca21ff.gif
+    :width: 200 px
+    :target: gray_scott.ipynb_
+    :alt: gray_scott.ipynb
+
+.. |volterra.py| replace:: volterra.py
+.. _volterra.py: https://github.com/marcomusy/vedo/tree/master/examples/simulations/volterra.py
+.. |volterra| image:: https://user-images.githubusercontent.com/32848391/59788745-aaeaa980-92cc-11e9-93d5-f6a577ba5e4d.png
+    :width: 200 px
+    :target: volterra.py_
+    :alt: volterra.py
+
+.. |tensors.py| replace:: tensors.py
+.. _tensors.py: https://github.com/marcomusy/vedo/tree/master/examples/volumetric/tensors.py
+.. |tensors| image:: https://user-images.githubusercontent.com/32848391/59944747-e2d92480-9465-11e9-8012-1fc34a2e30c6.png
+    :width: 200 px
+    :target: tensors.py_
+    :alt: tensors.py
+
+.. |tensor_grid.py| replace:: tensor_grid.py
+.. _tensor_grid.py: https://github.com/marcomusy/vedo/tree/master/examples/volumetric/tensor_grid.py
+
+.. |scalarbars.py| replace:: scalarbars.py
+.. _scalarbars.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/scalarbars.py
+.. |scalarbars| image:: https://user-images.githubusercontent.com/32848391/62940174-4bdc7900-bdd3-11e9-9713-e4f3e2fdab63.png
+    :width: 200 px
+    :target: scalarbars.py_
+    :alt: scalarbars.py
+
+.. |erode_dilate.py| replace:: erode_dilate.py
+.. _erode_dilate.py: https://github.com/marcomusy/vedo/tree/master/examples/volumetric/erode_dilate.py
+
+.. |vol2points.py| replace:: vol2points.py
+.. _vol2points.py: https://github.com/marcomusy/vedo/tree/master/examples/volumetric/vol2points.py
+
+.. |euclDist.py| replace:: euclDist.py
+.. _euclDist.py: https://github.com/marcomusy/vedo/tree/master/examples/volumetric/euclDist.py
+
+.. |volumeFromMesh.py| replace:: volumeFromMesh.py
+.. _volumeFromMesh.py: https://github.com/marcomusy/vedo/tree/master/examples/volumetric/volumeFromMesh.py
+
+.. |numpy2volume1.py| replace:: numpy2volume1.py
+.. _numpy2volume1.py: https://github.com/marcomusy/vedo/tree/master/examples/volumetric/numpy2volume1.py
+
+.. |G_Of_Omega| image:: https://wikimedia.org/api/rest_v1/media/math/render/svg/9c4d02a66b6ff279aae0c4bf07c25e5727d192e4
+
+.. |wikiphong| image:: https://upload.wikimedia.org/wikipedia/commons/6/6b/Phong_components_version_4.png
+
+.. |animation1.py| replace:: animation1.py
+.. _animation1.py: https://github.com/marcomusy/vedo/tree/master/examples/other/animation1.py
+.. |animation1| image:: https://user-images.githubusercontent.com/32848391/64273764-4b528080-cf42-11e9-90aa-2d88df239871.gif
+    :width: 200 px
+    :target: animation1.py_
+    :alt: animation1.py
+
+.. |animation2.py| replace:: animation2.py
+.. _animation2.py: https://github.com/marcomusy/vedo/tree/master/examples/other/animation2.py
+.. |animation2| image:: https://user-images.githubusercontent.com/32848391/64273191-1a258080-cf41-11e9-8a18-f192f05f11a9.gif
+    :width: 200 px
+    :target: animation2.py_
+    :alt: animation2.py
+
+.. |polarHisto.py| replace:: polarHisto.py
+.. _polarHisto.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/polarHisto.py
+.. |polarHisto| image:: https://user-images.githubusercontent.com/32848391/64912717-5754f400-d733-11e9-8a1f-612165955f23.png
+    :width: 200 px
+    :target: polarHisto.py_
+    :alt: polarHisto.py
+
+.. |histo_polar.py| replace:: histo_polar.py
+.. _histo_polar.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/histo_polar.py
+.. |histo_polar| image:: https://user-images.githubusercontent.com/32848391/64992590-7fc82400-d8d4-11e9-9c10-795f4756a73f.png
+    :width: 200 px
+    :target: histo_polar.py_
+    :alt: histo_polar.py
+
+.. |donut.py| replace:: donut.py
+.. _donut.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/donut.py
+.. |donut| image:: https://user-images.githubusercontent.com/32848391/64998178-6f6b7580-d8e3-11e9-9bd8-8dfb9ccd90e4.png
+    :width: 200 px
+    :target: donut.py_
+    :alt: donut.py
+
+.. |extrude.py| replace:: extrude.py
+.. _extrude.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/extrude.py
+.. |extrude| image:: https://user-images.githubusercontent.com/32848391/65963682-971e1a00-e45b-11e9-9f29-05522ae4a800.png
+    :width: 200 px
+    :target: extrude.py_
+    :alt: extrude.py
+
+.. |kspline| image:: https://user-images.githubusercontent.com/32848391/65975805-73fd6580-e46f-11e9-8957-75eddb28fa72.png
+    :width: 200 px
+
+.. |mesh_lut.py| replace:: mesh_lut.py
+.. _mesh_lut.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/mesh_lut.py
+
+.. |elevation| image:: https://user-images.githubusercontent.com/32848391/68478872-3986a580-0231-11ea-8245-b68a683aa295.png
+    :width: 200 px
+
+.. |paramshapes| image:: https://user-images.githubusercontent.com/32848391/69181075-bb6aae80-0b0e-11ea-92f7-d0cd3b9087bf.png
+    :width: 400 px
+
+.. |warpto| image:: https://user-images.githubusercontent.com/32848391/69259878-3c817e80-0bbf-11ea-9025-03b9f6affccc.png
+    :width: 200 px
+
+.. |linInterpolate.py| replace:: linInterpolate.py
+.. _linInterpolate.py: https://github.com/marcomusy/vedo/tree/master/examples/basic/linInterpolate.py
+.. |linInterpolate| image:: https://user-images.githubusercontent.com/32848391/70559826-a621f680-1b87-11ea-89f3-e6b74d8953d9.png
+    :width: 200 px
+    :target: linInterpolate.py_
+    :alt: linInterpolate.py
+
+.. |plot_errbars.py| replace:: plot_errbars.py
+.. _plot_errbars.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/plot_errbars.py
+.. |plot_errbars| image:: https://user-images.githubusercontent.com/32848391/69158509-d6c1c380-0ae6-11ea-9dbf-ff5cd396a9a6.png
+    :width: 200 px
+    :target: plot_errbars.py_
+    :alt: plot_errbars.py
+
+.. |quiver.py| replace:: quiver.py
+.. _quiver.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/quiver.py
+.. |quiver| image::  https://user-images.githubusercontent.com/32848391/72261438-199aa600-3615-11ea-870e-e44ca4c4b8d3.png
+    :width: 200 px
+    :target: quiver.py_
+    :alt: quiver.py
+
+.. |plot_spheric.py| replace:: plot_spheric.py
+.. _plot_spheric.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/plot_spheric.py
+.. |plot_spheric| image:: https://user-images.githubusercontent.com/32848391/72433091-f0a31e00-3798-11ea-86bd-6c522e23ec61.png
+    :width: 200 px
+    :target: plot_spheric.py_
+    :alt: plot_spheric.py
+
+.. |fcomplex| image:: https://user-images.githubusercontent.com/32848391/73392962-1709a300-42db-11ea-9278-30c9d6e5eeaa.png
+    :width: 200 px
+
+.. |histo_spheric.py| replace:: histo_spheric.py
+.. _histo_spheric.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/histo_spheric.py
+.. |histo_spheric| image:: https://user-images.githubusercontent.com/32848391/73392901-fccfc500-42da-11ea-828a-9bad6982a823.png
+    :width: 200 px
+    :target: histo_spheric.py_
+    :alt: histo_spheric.py
+
+.. |sphericgrid| image:: https://user-images.githubusercontent.com/32848391/72433092-f0a31e00-3798-11ea-85f7-b2f5fcc31568.png
+    :width: 200 px
+
+.. |histo_2D.py| replace:: histo_2D.py
+.. _histo_2D.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/histo_2D.py
+.. |histo_2D| image:: https://user-images.githubusercontent.com/32848391/74361190-c019c880-4dc6-11ea-9c72-0f2a890e6664.png
+    :width: 200 px
+    :target: histo_2D.py_
+    :alt: histo_2D.py
+
+.. |plot_errband.py| replace:: plot_errband.py
+.. _plot_errband.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/plot_errband.py
+.. |plot_errband| image:: https://user-images.githubusercontent.com/32848391/73483464-c019d180-439f-11ea-9a8c-59fa49e9ecf4.png
+    :width: 200 px
+    :target: plot_errband.py_
+    :alt: plot_errband.py
+
+.. |plot_pip.py| replace:: plot_pip.py
+.. _plot_pip.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/plot_pip.py
+.. |plot_pip| image:: https://user-images.githubusercontent.com/32848391/73393632-4ff64780-42dc-11ea-8798-45a81c067f45.png
+    :width: 200 px
+    :target: plot_pip.py_
+    :alt: plot_pip.py
+
+.. |scatter1.py| replace:: scatter1.py
+.. _scatter1.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/scatter1.py
+.. |scatter1| image:: https://user-images.githubusercontent.com/32848391/72615028-013bcb80-3934-11ea-8ab8-823f1916bc6c.png
+    :width: 200 px
+    :target: scatter1.py_
+    :alt: scatter1.py
+
+.. |scatter2.py| replace:: scatter2.py
+.. _scatter2.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/scatter2.py
+.. |scatter2| image:: https://user-images.githubusercontent.com/32848391/72446102-2d7c0e80-37b3-11ea-8fe4-b27526af574f.png
+    :width: 200 px
+    :target: scatter2.py_
+    :alt: scatter2.py
+
+.. |scatter3.py| replace:: scatter3.py
+.. _scatter3.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/scatter3.py
+.. |scatter3| image:: https://user-images.githubusercontent.com/32848391/72446102-2d7c0e80-37b3-11ea-8fe4-b27526af574f.png
+    :width: 200 px
+    :target: scatter3.py_
+    :alt: scatter3.py
+
+.. |customIndividualAxes.py| replace:: customIndividualAxes.py
+.. _customIndividualAxes.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/customIndividualAxes.py
+.. |customIndividualAxes| image:: https://user-images.githubusercontent.com/32848391/72752870-ab7d5280-3bc3-11ea-8911-9ace00211e23.png
+    :width: 200 px
+    :target: customIndividualAxes.py_
+    :alt: customIndividualAxes.py
+
+.. |plot_stream.py| replace:: plot_stream.py
+.. _plot_stream.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/plot_stream.py
+.. |plot_stream| image:: https://user-images.githubusercontent.com/32848391/73614123-93162a80-45fc-11ea-969b-9a3293b26f35.png
+    :width: 250 px
+    :target: plot_stream.py_
+    :alt: plot_stream.py
+
+.. |simpleplot| image:: https://user-images.githubusercontent.com/32848391/74363882-c3638300-4dcb-11ea-8a78-eb492ad9711f.png
+    :width: 200 px
+
+.. |warpv| image:: https://user-images.githubusercontent.com/32848391/77864546-7a577900-7229-11ea-84ce-4e8e6eeff27f.png
+    :width: 200 px
+
+.. |lineage_graph.py| replace:: lineage_graph.py
+.. _lineage_graph.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/graph_lineage.py
+.. |lineage_graph| image:: https://user-images.githubusercontent.com/32848391/80291851-8152a800-8751-11ea-893e-4a0bb85397b1.png
+    :width: 200 px
+    :target: lineage_graph.py_
+    :alt: lineage_graph.py
+
+.. |bezier| image:: https://user-images.githubusercontent.com/32848391/90437534-dafd2a80-e0d2-11ea-9b93-9ecb3f48a3ff.png
+    :width: 200 px
+
+.. |goniometer.py| replace:: goniometer.py
+.. _goniometer.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/goniometer.py
+.. |goniometer| image:: https://user-images.githubusercontent.com/32848391/90437544-dd5f8480-e0d2-11ea-8321-b52d073444c4.png
+    :width: 200 px
+    :target: goniometer.py_
+    :alt: goniometer.py
+
+.. |intersect2d.py| replace:: intersect2d.py
+.. _intersect2d.py: https://github.com/marcomusy/vedo/tree/master/examples/advanced/intersect2d.py
+.. |intersect2d| image:: https://user-images.githubusercontent.com/32848391/90437548-de90b180-e0d2-11ea-8e0c-d821db4da8a9.png
+    :width: 200 px
+    :target: intersect2d.py_
+    :alt: intersect2d.py
+
+.. |fonts.py| replace:: fonts.py
+.. _fonts.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/fonts3d.py
+.. |fonts| image:: https://user-images.githubusercontent.com/32848391/90437539-dcc6ee00-e0d2-11ea-8381-93d211b1bc85.png
+    :width: 400 px
+    :target: fonts.py_
+    :alt: fonts.py
+
+.. |graph_network.py| replace:: graph_network.py
+.. _graph_network.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/graph_network.py
+.. |graph_network| image:: https://user-images.githubusercontent.com/32848391/90437546-ddf81b00-e0d2-11ea-84d5-e4356a5c5f85.png
+    :width: 200 px
+    :target: graph_network.py_
+    :alt: graph_network.py
+
+.. |plot_density3d.py| replace:: plot_density3d.py
+.. _plot_density3d.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/plot_density3d.py
+.. |plot_density3d| image:: https://user-images.githubusercontent.com/32848391/90437537-dc2e5780-e0d2-11ea-982c-8dafd467c3cd.png
+    :width: 200 px
+    :target: plot_density3d.py_
+    :alt: plot_density3d.py
+
+.. |fonts3d| image:: https://user-images.githubusercontent.com/32848391/90437540-dd5f8480-e0d2-11ea-8ddc-8839688979d0.png
+    :width: 200 px
+
+.. |fontlist| image:: https://user-images.githubusercontent.com/32848391/90437539-dcc6ee00-e0d2-11ea-8381-93d211b1bc85.png
+    :width: 200 px
+
+.. |caption.py| replace:: captions.py
+.. _caption.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/caption.py
+.. |caption| image:: https://user-images.githubusercontent.com/32848391/90437536-dc2e5780-e0d2-11ea-8951-f905ffb54f54.png
+    :width: 200 px
+    :target: caption.py_
+    :alt: caption.py
+
+.. |flag_labels.py| replace:: flag_labels.py
+.. _flag_labels.py: https://github.com/marcomusy/vedo/tree/master/examples/other/flag_labels.py
+.. |flag_labels| image:: https://user-images.githubusercontent.com/32848391/90620799-3b938100-e213-11ea-80b1-e05ce2949d3a.png
+    :width: 200 px
+    :target: flag_labels.py_
+    :alt: flag_labels.py
+
+.. |whiskers.py| replace:: whiskers.py
+.. _whiskers.py: https://github.com/marcomusy/vedo/tree/master/examples/pyplot/whiskers.py
+.. |whiskers| image:: https://user-images.githubusercontent.com/32848391/95772479-170cd000-0cbd-11eb-98c4-20c5ca342cb8.png
+    :width: 200 px
+    :target: whiskers.py_
+    :alt: whiskers.py
+"""
+
diff --git a/vedo/dolfin.py b/vedo/dolfin.py
index 70675d43..6a6835d3 100644
--- a/vedo/dolfin.py
+++ b/vedo/dolfin.py
@@ -19,7 +19,7 @@
 from vedo.shapes import Text3D, Text2D, Latex
 
 from vedo.plotter import show, clear, Plotter
-from vedo.plotter import closeWindow, closePlotter, interactive
+from vedo.plotter import interactive
 
 from vedo.pyplot import histogram
 
@@ -116,8 +116,6 @@
     "screenshot",
     "Video",
     "exportWindow",
-    "closeWindow",
-    "closePlotter",
     "interactive",
     "embedWindow",
 ]
diff --git a/vedo/io.py b/vedo/io.py
index 4aa1c01c..269c4829 100644
--- a/vedo/io.py
+++ b/vedo/io.py
@@ -1410,25 +1410,25 @@ def exportWindow(fileoutput, binary=False):
     ####################################################################
     if fr.endswith(".npy") or fr.endswith(".npz"):
         sdict = dict()
-        vp = settings.plotter_instance
-        sdict['shape'] = vp.shape #todo
-        sdict['sharecam'] = vp.sharecam #todo
-        sdict['camera'] = dict( pos=vp.camera.GetPosition(),
-                                focalPoint=vp.camera.GetFocalPoint(),
-                                viewup=vp.camera.GetViewUp(),
-                                distance=vp.camera.GetDistance(),
-                                clippingRange=vp.camera.GetClippingRange() )
-        sdict['position'] = vp.pos
-        sdict['size'] = vp.size
-        sdict['axes'] = vp.axes
-        sdict['title'] = vp.title
-        sdict['xtitle'] = vp.xtitle
-        sdict['ytitle'] = vp.ytitle
-        sdict['ztitle'] = vp.ztitle
-        sdict['backgrcol'] = colors.getColor(vp.backgrcol)
+        plt = settings.plotter_instance
+        sdict['shape'] = plt.shape #todo
+        sdict['sharecam'] = plt.sharecam #todo
+        sdict['camera'] = dict( pos=plt.camera.GetPosition(),
+                                focalPoint=plt.camera.GetFocalPoint(),
+                                viewup=plt.camera.GetViewUp(),
+                                distance=plt.camera.GetDistance(),
+                                clippingRange=plt.camera.GetClippingRange() )
+        sdict['position'] = plt.pos
+        sdict['size'] = plt.size
+        sdict['axes'] = plt.axes
+        sdict['title'] = plt.title
+        sdict['xtitle'] = plt.xtitle
+        sdict['ytitle'] = plt.ytitle
+        sdict['ztitle'] = plt.ztitle
+        sdict['backgrcol'] = colors.getColor(plt.backgrcol)
         sdict['backgrcol2'] = None
-        if vp.renderer.GetGradientBackground():
-            sdict['backgrcol2'] = vp.renderer.GetBackground2()
+        if plt.renderer.GetGradientBackground():
+            sdict['backgrcol2'] = plt.renderer.GetBackground2()
         sdict['useDepthPeeling'] = settings.useDepthPeeling
         sdict['renderLinesAsTubes'] = settings.renderLinesAsTubes
         sdict['hiddenLineRemoval'] = settings.hiddenLineRemoval
@@ -1438,8 +1438,8 @@ def exportWindow(fileoutput, binary=False):
         sdict['defaultFont'] = settings.defaultFont
         sdict['objects'] = []
 
-        allobjs = vp.getMeshes(includeNonPickables=True) + vp.getVolumes(includeNonPickables=True)
-        acts2d = vp.renderer.GetActors2D()
+        allobjs = plt.getMeshes(includeNonPickables=True) + plt.getVolumes(includeNonPickables=True)
+        acts2d = plt.renderer.GetActors2D()
         acts2d.InitTraversal()
         for i in range(acts2d.GetNumberOfItems()):
             a = acts2d.GetNextItem()
@@ -1550,24 +1550,24 @@ def importWindow(fileinput, mtlFile=None, texturePath=None):
 
         if data['shape'] != (1,1): data['size']="auto" # disable size
 
-        vp = Plotter(size=data['size'], # not necessarily a good idea to set it
+        plt = Plotter(size=data['size'], # not necessarily a good idea to set it
                      #shape=data['shape'], # will need to create a Renderer class first
                      axes=axes,
                      title=title,
                      bg=backgrcol,
                      bg2=backgrcol2,
         )
-        vp.xtitle = data.pop('xtitle', 'x')
-        vp.ytitle = data.pop('ytitle', 'y')
-        vp.ztitle = data.pop('ztitle', 'z')
+        plt.xtitle = data.pop('xtitle', 'x')
+        plt.ytitle = data.pop('ytitle', 'y')
+        plt.ztitle = data.pop('ztitle', 'z')
 
         if cam:
-            if 'pos' in cam.keys(): vp.camera.SetPosition( cam['pos'] )
-            if 'focalPoint' in cam.keys(): vp.camera.SetFocalPoint( cam['focalPoint'] )
-            if 'viewup' in cam.keys(): vp.camera.SetViewUp(cam['viewup']  )
-            if 'distance' in cam.keys(): vp.camera.SetDistance( cam['distance'] )
-            if 'clippingRange' in cam.keys(): vp.camera.SetClippingRange( cam['clippingRange'] )
-            vp.resetcam = False
+            if 'pos' in cam.keys(): plt.camera.SetPosition( cam['pos'] )
+            if 'focalPoint' in cam.keys(): plt.camera.SetFocalPoint( cam['focalPoint'] )
+            if 'viewup' in cam.keys(): plt.camera.SetViewUp(cam['viewup']  )
+            if 'distance' in cam.keys(): plt.camera.SetDistance( cam['distance'] )
+            if 'clippingRange' in cam.keys(): plt.camera.SetClippingRange( cam['clippingRange'] )
+            plt.resetcam = False
 
         if 'objects' in data.keys():
             objs = loadNumpy(data['objects'])
@@ -1578,12 +1578,12 @@ def importWindow(fileinput, mtlFile=None, texturePath=None):
             #colors.printc(" -> try to load a single object with load().", c='r')
             objs = [loadNumpy(fileinput)]
 
-        vp.actors = objs
-        return vp
+        plt.actors = objs
+        return plt
 
     elif '.obj' in fileinput.lower():
 
-        vp = Plotter()
+        plt = Plotter()
 
         importer = vtk.vtkOBJImporter()
         importer.SetFileName(fileinput)
@@ -1595,10 +1595,10 @@ def importWindow(fileinput, mtlFile=None, texturePath=None):
             if texturePath is None:
                 texturePath = fileinput.replace('.obj', '.txt').replace('.OBJ', '.TXT')
             importer.SetTexturePath(texturePath)
-        importer.SetRenderWindow(vp.window)
+        importer.SetRenderWindow(plt.window)
         importer.Update()
 
-        actors = vp.renderer.GetActors()
+        actors = plt.renderer.GetActors()
         actors.InitTraversal()
         for i in range(actors.GetNumberOfItems()):
             vactor = actors.GetNextActor()
@@ -1607,8 +1607,8 @@ def importWindow(fileinput, mtlFile=None, texturePath=None):
             if act_tu:
                 act_tu.InterpolateOn()
                 act.texture(act_tu)
-            vp.actors.append( act )
-        return vp
+            plt.actors.append( act )
+        return plt
 
 
 ##########################################################
@@ -1799,10 +1799,10 @@ def buildcam(cm):
             if cm_viewAngle is not None: cm.SetViewAngle(cm_viewAngle)
             return cm
 
-        vp = settings.plotter_instance
+        plt = settings.plotter_instance
 
         if zoom:
-            vp.camera.Zoom(zoom)
+            plt.camera.Zoom(zoom)
 
         if isinstance(cam1, dict):
             cam1 = buildcam(cam1)
@@ -1810,23 +1810,23 @@ def buildcam(cm):
             cam2 = buildcam(cam2)
 
         if len(elevation_range)==2:
-            vp.camera.Elevation(elevation_range[0])
+            plt.camera.Elevation(elevation_range[0])
         if len(azimuth_range)==2:
-            vp.camera.Azimuth(azimuth_range[0])
+            plt.camera.Azimuth(azimuth_range[0])
 
-        vp.show(resetcam=resetcam, interactive=False)
-        # if resetcam: vp.renderer.ResetCamera()
+        plt.show(resetcam=resetcam, interactive=False)
+        # if resetcam: plt.renderer.ResetCamera()
 
         n = self.fps * self.duration
         for i in range(int(n)):
             if cam1 and cam2:
-                vp.moveCamera(cam1, cam2, i/n)
+                plt.moveCamera(cam1, cam2, i/n)
             else:
                 if len(elevation_range)==2:
-                    vp.camera.Elevation((elevation_range[1]-elevation_range[0])/n)
+                    plt.camera.Elevation((elevation_range[1]-elevation_range[0])/n)
                 if len(azimuth_range)==2:
-                    vp.camera.Azimuth((azimuth_range[1]-azimuth_range[0])/n)
-            vp.show()
+                    plt.camera.Azimuth((azimuth_range[1]-azimuth_range[0])/n)
+            plt.show()
             self.addFrame()
         return self
 
diff --git a/vedo/mesh.py b/vedo/mesh.py
index 57467990..11e3a28c 100644
--- a/vedo/mesh.py
+++ b/vedo/mesh.py
@@ -5,6 +5,7 @@
 from vedo.colors import printc, getColor, colorMap
 from vedo.utils import isSequence, flatten, buildPolyData, numpy2vtk, vtk2numpy
 from vedo.pointcloud import Points
+from deprecated import deprecated
 
 __doc__ = ("""Submodule to manage polygonal meshes.""" + vedo.docs._defs)
 
@@ -1308,11 +1309,8 @@ def decimate(self, fraction=0.5, N=None, method='quadric', boundaries=False):
         decimate.Update()
         return self._update(decimate.GetOutput())
 
-
-    def smoothLaplacian(self, niter=15, relaxfact=0.1, edgeAngle=15, featureAngle=60,
-                        boundary=False):
-        """DEPRECATED. Please use smooth()"""
-        printc("smoothLaplacian() is DEPRECATED. Please use smooth()", c='r')        
+    @deprecated(reason=vedo.colors.red+"Please use smooth()"+vedo.colors.reset)
+    def smoothLaplacian(self, niter=15, relaxfact=0.1, edgeAngle=15, featureAngle=60, boundary=False):
         return self.smooth(niter, passBand=0.1, edgeAngle=edgeAngle, boundary=boundary)  
     
     def smooth(self, niter=15, passBand=0.1, edgeAngle=15, featureAngle=60, boundary=False):
diff --git a/vedo/plotter.py b/vedo/plotter.py
index 4dfa5f34..ae00a5a9 100644
--- a/vedo/plotter.py
+++ b/vedo/plotter.py
@@ -21,13 +21,9 @@
 
 __all__ = ["show",
            "clear",
-           "ion",
-           "ioff",
            "Plotter",
-           "closeWindow",
-           "closePlotter",
            "interactive",
-           ]
+]
 
 ########################################################################
 def show(*actors,
@@ -289,24 +285,6 @@ def interactive():
                 settings.plotter_instance.interactor.Start()
     return settings.plotter_instance
 
-def ion():
-    """Set interactive mode ON for the current window.
-
-    When calling ``show()`` python script exectution will stop and control
-    will stay on the graphic window allowing mouse/keyboard interaction."""
-    if settings.plotter_instance:
-        settings.plotter_instance.interactive = True
-    return settings.plotter_instance
-
-def ioff():
-    """Set interactive mode OFF for the current window.
-
-    When calling ``show()`` image will be rendered but python script execution
-    will continue, the graphic window will be not responsive to interaction."""
-    if settings.plotter_instance:
-        settings.plotter_instance.interactive = False
-    return settings.plotter_instance
-
 
 def clear(actor=None, at=None):
     """
@@ -319,25 +297,6 @@ def clear(actor=None, at=None):
     return settings.plotter_instance
 
 
-def closeWindow(plotterInstance=None):
-    """Close the current or the input rendering window."""
-    if not plotterInstance:
-        plotterInstance  = settings.plotter_instance
-        if not plotterInstance:
-            return
-    if plotterInstance.interactor:
-        plotterInstance.interactor.ExitCallback()
-        plotterInstance.closeWindow()
-    return plotterInstance
-
-
-def closePlotter():
-    """Close the current instance of ``Plotter`` and its rendering window."""
-    if settings.plotter_instance:
-        settings.plotter_instance.close()
-    return None
-
-
 ########################################################################
 class Plotter:
     """
@@ -728,7 +687,7 @@ def __init__(
 
         if len(self.renderers):
             self.renderer = self.renderers[0]
-        
+
         if self.size[0] == 'f':  # full screen
             self.size = 'fullscreen'
             self.window.SetFullScreen(True)
@@ -828,42 +787,6 @@ def __isub__(self, actors):
         self.remove(actors, render=False)
         return self
 
-    def _addSkybox(self, hdrfile):
-        # many hdr files are at https://polyhaven.com/all
-        if utils.vtkVersionIsAtLeast(9):
-
-#            if self.skybox:
-#                #already exists, skip.
-#                return self
-
-            reader = vtk.vtkHDRReader()
-            # Check the image can be read.
-            if not reader.CanReadFile(hdrfile):
-                vedo.printc('Cannot read HDR file', hdrfile, c='r')
-                return self
-            reader.SetFileName(hdrfile)
-            reader.Update()
-
-            texture = vtk.vtkTexture()
-            texture.SetColorModeToDirectScalars()
-            texture.SetInputData(reader.GetOutput())
-
-            # Convert to a cube map
-            tcm = vtk.vtkEquirectangularToCubeMapTexture()
-            tcm.SetInputTexture(texture)
-            # Enable mipmapping to handle HDR image
-            tcm.MipmapOn()
-            tcm.InterpolateOn()
-
-            self.renderer.SetEnvironmentTexture(tcm)
-            self.renderer.UseImageBasedLightingOn()
-            self.skybox = vtk.vtkSkybox()
-            self.skybox.SetTexture(tcm)
-            self.renderer.AddActor(self.skybox)
-        else:
-            vedo.printc("addSkyBox not supported in this VTK version. Skip.", c='r')
-        return self
-
     def add(self, actors, at=None, render=True, resetcam=False):
         """Append input object to the internal list of actors to be shown.
 
@@ -929,14 +852,19 @@ def remove(self, actors, at=None, render=False, resetcam=False):
             self.render(resetcam=resetcam)
         return self
 
-    def pop(self, at=0, render=False):
+    def pop(self, at=0):
         """Remove the last added object from the rendering window"""
-        self.remove(self.actors[-1], at=at, render=render)
+        self.remove(self.actors[-1], at=at)
         return self
 
     def render(self, resetcam=False):
         """Render the scene."""
-        if not self.window or self.wxWidget:
+        if not self.window:
+            return self
+        if self.wxWidget:
+            if resetcam:
+                self.renderer.ResetCamera()
+            self.wxWidget.Render()
             return self
         if settings.vtk_version[0] == 9 and "Darwin" in settings.sys_platform:
             for a in self.actors:
@@ -996,43 +924,6 @@ def background(self, c1=None, c2=None, at=None):
         
         
     ####################################################
-    def load(self, filename, unpack=True, force=False):
-        """
-        Load objects from file.
-        The output will depend on the file extension. See examples below.
-
-        :param bool unpack: only for multiblock data,
-            if True returns a flat list of objects.
-        :param bool force: when downloading a file ignore any previous
-            cached downloads and force a new one.
-
-        :Example:
-
-            .. code-block:: python
-
-                from vedo import *
-
-                # Return a list of 2 Mesh
-                g = load([dataurl+'250.vtk', dataurl+'290.vtk'])
-                show(g)
-
-                # Return a list of meshes by reading all files in a directory
-                # (if directory contains DICOM files then a Volume is returned)
-                g = load('mydicomdir/')
-                show(g)
-
-                # Return a Volume. Color/Opacity transfer function can be specified too.
-                g = load(dataurl+'embryo.slc')
-                g.c(['y','lb','w']).alpha((0.0, 0.4, 0.9, 1)).show()
-        """
-        acts = vedo.io.load(filename, unpack, force)
-        if utils.isSequence(acts):
-            self.actors += acts
-        else:
-            self.actors.append(acts)
-        return acts
-
-
     def getMeshes(self, at=None, includeNonPickables=False):
         """
         Return a list of Meshes from the specified renderer.
@@ -1093,41 +984,64 @@ def resetCamera(self):
         self.renderer.ResetCamera()
         return self
 
-
     def moveCamera(self, camstart, camstop, fraction):
         """
-        Takes as input two ``vtkCamera`` objects and returns a
-        new ``vtkCamera`` that is at an intermediate position:
+        Takes as input two ``vtkCamera`` objects and set camera at an intermediate position:
 
         fraction=0 -> camstart,  fraction=1 -> camstop.
+        
+        ``camstart`` and ``camstop`` can also be dictionaries of format:
+            
+            camstart = dict(pos=..., focalPoint=..., viewup=..., distance=..., clippingRange=...)
 
         Press ``shift-C`` key in interactive mode to dump a python snipplet
         of parameters for the current camera view.
         """
-        if isinstance(fraction, int):
-            vedo.printc("Warning in moveCamera(): fraction should not be an integer", c='r')
         if fraction > 1:
-            vedo.printc("Warning in moveCamera(): fraction is > 1", c='r')
-        cam = vtk.vtkCamera()
-        cam.DeepCopy(camstart)
-        p1 = np.array(camstart.GetPosition())
-        f1 = np.array(camstart.GetFocalPoint())
-        v1 = np.array(camstart.GetViewUp())
-        c1 = np.array(camstart.GetClippingRange())
-        s1 = camstart.GetDistance()
-
+            fraction = 1
+        if fraction < 0:
+            fraction = 0
+        
+        if isinstance(camstart, dict):
+            p1 = np.asarray(camstart.pop("pos", [0,0,1]))
+            f1 = np.asarray(camstart.pop("focalPoint", [0,0,0]))
+            v1 = np.asarray(camstart.pop("viewup", [0,1,0]))
+            s1 = camstart.pop("distance", None)
+            c1 = np.asarray(camstart.pop("clippingRange", None))     
+        else:
+            p1 = np.array(camstart.GetPosition())
+            f1 = np.array(camstart.GetFocalPoint())
+            v1 = np.array(camstart.GetViewUp())
+            c1 = np.array(camstart.GetClippingRange())
+            s1 = camstart.GetDistance()
+        
+        if isinstance(camstop, dict):
+            p1 = np.asarray(camstop.pop("pos", [0,0,1]))
+            f1 = np.asarray(camstop.pop("focalPoint", [0,0,0]))
+            v1 = np.asarray(camstop.pop("viewup", [0,1,0]))
+            s1 = camstop.pop("distance", None)
+            c1 = np.asarray(camstop.pop("clippingRange", None))     
+        else:
+            p1 = np.array(camstop.GetPosition())
+            f1 = np.array(camstop.GetFocalPoint())
+            v1 = np.array(camstop.GetViewUp())
+            c1 = np.array(camstop.GetClippingRange())
+            s1 = camstop.GetDistance()
+            
         p2 = np.array(camstop.GetPosition())
         f2 = np.array(camstop.GetFocalPoint())
         v2 = np.array(camstop.GetViewUp())
         c2 = np.array(camstop.GetClippingRange())
         s2 = camstop.GetDistance()
-        cam.SetPosition(p2 * fraction + p1 * (1 - fraction))
-        cam.SetFocalPoint(f2 * fraction + f1 * (1 - fraction))
-        cam.SetViewUp(v2 * fraction + v1 * (1 - fraction))
-        cam.SetDistance(s2 * fraction + s1 * (1 - fraction))
-        cam.SetClippingRange(c2 * fraction + c1 * (1 - fraction))
-        self.camera = cam
-        return cam
+        ufraction = 1 - fraction
+        self.camera.SetPosition(  p2 * fraction + p1 * ufraction)
+        self.camera.SetFocalPoint(f2 * fraction + f1 * ufraction)
+        self.camera.SetViewUp    (v2 * fraction + v1 * ufraction)
+        if s1 and s2:
+            self.camera.SetDistance(s2 * fraction + s1 * ufraction)
+        if c1 and c2:
+            self.camera.SetClippingRange(c2 * fraction + c1 * ufraction)
+        return self
 
     def flyTo(self, point, at=0):
         """
@@ -1170,7 +1084,7 @@ def record(self, filename='.vedo_recorded_events.log'):
         erec = vtk.vtkInteractorEventRecorder()
         erec.SetInteractor(self.interactor)
         erec.SetFileName(filename)
-        erec.SetKeyPressActivationValue("R")        
+        erec.SetKeyPressActivationValue("R")
         erec.EnabledOn()
         erec.Record()
         self.interactor.Start()
@@ -1182,8 +1096,8 @@ def record(self, filename='.vedo_recorded_events.log'):
         return events
 
     def play(self, events='.vedo_recorded_events.log', repeats=0):
-        """        
-        Play camera, mouse, keystrokes and all other events.         
+        """
+        Play camera, mouse, keystrokes and all other events.
 
         Parameters
         ----------
@@ -1209,7 +1123,7 @@ def play(self, events='.vedo_recorded_events.log', repeats=0):
         erec.EnabledOff()
         erec = None
         return self
-    
+
 
     def parallelProjection(self, value=True, at=0):
         """
@@ -1339,7 +1253,27 @@ def addSplineTool(self, points, pc='k', ps=8, lc='r4', ac='g5', lw=2, closed=Fal
         Returns
         -------
         SplineTool object.
-        """
+        """    
+        sw = addons.SplineTool(points, pc, ps, lc, ac, lw, closed)
+        if self.interactor:
+            sw.SetInteractor(self.interactor)
+        else:
+            vedo.printc("Error in addSplineTool: no interactor found.", c='r')
+            raise RuntimeError
+        sw.On()
+        sw.Initialize(sw.points.polydata())
+        if sw.closed:
+            sw.representation.ClosedLoopOn()
+        sw.representation.SetRenderer(self.renderer)
+        sw.representation.BuildRepresentation()
+        sw.Render()
+        if interactive:
+            self.interactor.Start()
+        else:
+            self.interactor.Render()
+        return sw
+
+
         return addons.addSplineTool(self, points, pc, ps, lc, ac, lw, closed, interactive)
 
     def addCutterTool(self, obj=None, mode='box', invert=False):
@@ -1351,7 +1285,7 @@ def addCutterTool(self, obj=None, mode='box', invert=False):
         |cutter| |cutter.py|_
         """
         return addons.addCutterTool(obj, mode, invert)
-    
+
     def addIcon(self, icon, pos=3, size=0.08):
         """Add an inset icon mesh into the same renderer.
 
@@ -1412,6 +1346,42 @@ def addLegendBox(self, **kwargs):
         self.add(lb)
         return self
 
+    def _addSkybox(self, hdrfile):
+        # many hdr files are at https://polyhaven.com/all
+        if utils.vtkVersionIsAtLeast(9):
+
+#            if self.skybox:
+#                #already exists, skip.
+#                return self
+
+            reader = vtk.vtkHDRReader()
+            # Check the image can be read.
+            if not reader.CanReadFile(hdrfile):
+                vedo.printc('Cannot read HDR file', hdrfile, c='r')
+                return self
+            reader.SetFileName(hdrfile)
+            reader.Update()
+
+            texture = vtk.vtkTexture()
+            texture.SetColorModeToDirectScalars()
+            texture.SetInputData(reader.GetOutput())
+
+            # Convert to a cube map
+            tcm = vtk.vtkEquirectangularToCubeMapTexture()
+            tcm.SetInputTexture(texture)
+            # Enable mipmapping to handle HDR image
+            tcm.MipmapOn()
+            tcm.InterpolateOn()
+
+            self.renderer.SetEnvironmentTexture(tcm)
+            self.renderer.UseImageBasedLightingOn()
+            self.skybox = vtk.vtkSkybox()
+            self.skybox.SetTexture(tcm)
+            self.renderer.AddActor(self.skybox)
+        else:
+            vedo.printc("addSkyBox not supported in this VTK version. Skip.", c='r')
+        return self
+
     def addHoverLegend(self,
                        at=0,
                        c=None,
@@ -2053,7 +2023,7 @@ def show(self, *actors,
 
         if title is not None:
             self.title = title
-        
+
         if mode is not None: ### interactorStyle will disappear in later releases!
             interactorStyle = mode
 
diff --git a/vedo/pointcloud.py b/vedo/pointcloud.py
index 19bddde2..edab376b 100644
--- a/vedo/pointcloud.py
+++ b/vedo/pointcloud.py
@@ -6,6 +6,7 @@
 import vedo.settings as settings
 import vedo.utils as utils
 from vedo.base import BaseActor
+from deprecated import deprecated
 
 
 __doc__ = ("""Submodule to manage point clouds."""
@@ -2333,16 +2334,20 @@ def cmap(self,
         """
         if on.startswith('p'):
             if not arrayName: arrayName="PointScalars"
-            self.pointColors(input_array, cname, alpha, vmin, vmax, arrayName, n)
+            self._pointColors(input_array, cname, alpha, vmin, vmax, arrayName, n)
         elif on.startswith('c'):
             if not arrayName: arrayName="CellScalars"
-            self.cellColors(input_array, cname, alpha, vmin, vmax, arrayName, n)
+            self._cellColors(input_array, cname, alpha, vmin, vmax, arrayName, n)
         else:
             colors.printc('Must specify mode in cmap(on="either cells or points")!', c='r')
             raise RuntimeError()
         return self
 
-    def pointColors(self,
+    @deprecated(reason=vedo.colors.red+"Please use cmap(on='points')"+vedo.colors.reset)
+    def pointColors(self, *args, **kwargs):
+        return self
+
+    def _pointColors(self,
                     input_array=None,
                     cmap="rainbow",
                     alpha=1,
@@ -2350,9 +2355,6 @@ def pointColors(self,
                     arrayName="PointScalars",
                     n=256,
         ):
-        """
-        DEPRECATED: use cmap() instead.
-        """
         poly = self.polydata(False)
         self._cmap_name = cmap
 
@@ -2449,7 +2451,11 @@ def pointColors(self,
         poly.GetPointData().Modified()
         return self
 
-    def cellColors(self,
+    @deprecated(reason=vedo.colors.red+"Please use cmap(on='cells')"+vedo.colors.reset)
+    def cellColors(self, *args, **kwargs):
+        return self
+
+    def _cellColors(self,
                    input_array=None,
                    cmap="jet",
                    alpha=1,
@@ -2457,9 +2463,6 @@ def cellColors(self,
                    arrayName="CellScalars",
                    n=256,
         ):
-        """
-        DEPRECATED: use cmap(on='cells') instead.
-        """
         poly = self.polydata(False)
         self._cmap_name = cmap
 
diff --git a/vedo/shapes.py b/vedo/shapes.py
index 41c08915..dfb6df51 100644
--- a/vedo/shapes.py
+++ b/vedo/shapes.py
@@ -12,6 +12,7 @@
 from vedo.pointcloud import Points
 from vedo.picture import Picture
 from vedo.settings import font_parameters
+from deprecated import deprecated
 
 __doc__ = ("""Submodule to generate basic geometric shapes.""" +
            vedo.docs._defs)
@@ -2641,9 +2642,8 @@ def __init__(self, pos=(0,0,0), a2=1, value=0.5, height=1, c="pink4", alpha=1, r
         self.SetPosition(pos)
         self.name = "Hyperboloid"
 
-
+@deprecated(reason=vedo.colors.red+"Please use Text3D() instead."+vedo.colors.reset)
 def Text(*args, **kwargs):
-    printc("Deprecation: use Text3D() instead of Text().", c='r')
     return Text3D(*args, **kwargs)
 
 @lru_cache(None)
diff --git a/vedo/version.py b/vedo/version.py
index 019f9334..410edf64 100644
--- a/vedo/version.py
+++ b/vedo/version.py
@@ -1 +1 @@
-_version='2021.0.4'
+_version='2021.0.5'
diff --git a/vedo/volume.py b/vedo/volume.py
index eb5db276..73131554 100644
--- a/vedo/volume.py
+++ b/vedo/volume.py
@@ -6,6 +6,7 @@
 import vedo.utils as utils
 from vedo.mesh import Mesh
 from vedo.base import BaseGrid, Base3DProp
+from deprecated import deprecated
 
 __doc__ = ("""Submodule extending the ``vtkVolume`` object functionality."""
     + docs._defs
@@ -260,9 +261,8 @@ def imagedata(self):
         """Return the underlying vtkImagaData object."""
         return self._data
 
-
+    @deprecated(reason=colors.red+"Please use tonumpy()"+colors.reset)
     def getDataArray(self):
-        """Deprecated. Please use ``tonumpy()``."""
         return self.tonumpy()
 
     def tonumpy(self):
@@ -1237,7 +1237,7 @@ def zSlice(self, k):
     def slicePlane(self, origin=(0,0,0), normal=(1,1,1)):
         """Extract the slice along a given plane position and normal.
 
-        |slicePlane| |slicePlane.py|_
+        |slicePlane1| |slicePlane1.py|_
         """
         reslice = vtk.vtkImageReslice()
         reslice.SetInputData(self._data)