diff --git a/docs/changes.md b/docs/changes.md
index d75645d4..cf05c4db 100644
--- a/docs/changes.md
+++ b/docs/changes.md
@@ -13,6 +13,7 @@
 - added `basegrid.extract_cells_on_cylinder()`
 - added `count_vertices()` method
 - added `copy_data_from()` method to transfer all cell and point data from an object to another.
+- fixed `metadata` association
 
 ---
 ### `pointcloud.py`
@@ -90,9 +91,7 @@ examples/pyplot/fit_curve.py
 examples/pyplot/histo_2d_a.py
 examples/pyplot/histo_2d_b.py
 examples/other/flag_labels2.py
-
--------------------------
-### Deleted
+examples/volumetric/image_false_colors.py
 
 ### Broken
 examples/simulations/lorenz.py
diff --git a/examples/advanced/fitspheres2.py b/examples/advanced/fitspheres2.py
index 98f5a966..4363fe16 100644
--- a/examples/advanced/fitspheres2.py
+++ b/examples/advanced/fitspheres2.py
@@ -7,7 +7,7 @@
 
 plt = Plotter()
 
-msh = Mesh(dataurl+"cow.vtk").alpha(0.3)
+msh = Mesh(dataurl+"cow.vtk").c("cyan7")
 
 pts1, pts2, vals, cols = [], [], [], []
 
@@ -29,7 +29,7 @@
 plt += msh
 plt += Points(pts1, c=cols)
 plt += Lines(pts1, pts2, c="black")
-plt += histogram(vals, xtitle='radius', xlim=[0,2]).pos(-1,0.5,-1)
+plt += histogram(vals, xtitle='radius', xlim=[0,2]).as2d(pos="bottom-left")
 plt += __doc__
 
 plt.show().close()
diff --git a/examples/other/run_all.sh b/examples/other/run_all.sh
index 5eb08228..b8fb0c48 100755
--- a/examples/other/run_all.sh
+++ b/examples/other/run_all.sh
@@ -10,8 +10,11 @@ echo
 echo Running clone2d.py
 python3 clone2d.py
 
-echo Running flag_labels.py
-python3 flag_labels.py
+echo Running flag_labels1.py
+python3 flag_labels1.py
+
+echo Running flag_labels2.py
+python3 flag_labels2.py
 
 echo Running icon.py
 python3 icon.py
diff --git a/examples/simulations/pendulum_ode.py b/examples/simulations/pendulum_ode.py
index 0235fbd6..57d38f2a 100644
--- a/examples/simulations/pendulum_ode.py
+++ b/examples/simulations/pendulum_ode.py
@@ -52,7 +52,7 @@ def derivs(state, t):
     l1 = Line([[0,0], P1[i], P2[i]]).lw(7).c("blue2", 1.0)
     l2 = Line([[0,0], P1[j], P2[j]]).lw(6).c("blue2", 0.4)
     l3 = Line([[0,0], P1[k], P2[k]]).lw(5).c("blue2", 0.2)
-    plt.show(l1, l2, l3, ax, zoom=1.4).clear()
+    plt.clear().show(l1, l2, l3, ax, zoom=1.4)
     pb.print()
 
 plt.interactive().close()
diff --git a/examples/volumetric/numpy2volume2.py b/examples/volumetric/numpy2volume2.py
index 6c289a2c..a711a0c3 100644
--- a/examples/volumetric/numpy2volume2.py
+++ b/examples/volumetric/numpy2volume2.py
@@ -7,7 +7,7 @@
 data_matrix[30:50, 30:60, 30:70] = 2
 data_matrix[50:69, 60:79, 70:89] = 3
 
-vol = Volume(data_matrix, c=['white','b','g','r'], mapper='gpu')
+vol = Volume(data_matrix, c=['white','b','g','r'], mode=1)
 vol.add_scalarbar3d()
 vol.print()
 
diff --git a/vedo/mesh.py b/vedo/mesh.py
index 17252fbe..4bee2246 100644
--- a/vedo/mesh.py
+++ b/vedo/mesh.py
@@ -151,7 +151,7 @@ def __init__(
             tact = vedo.utils.trimesh2vedo(inputobj)
             self._data = tact.polydata()
 
-        elif "meshio" in inputtype:  # meshio-4.0.11
+        elif "meshio" in inputtype:
             if len(inputobj.cells):
                 mcells = []
                 for cellblock in inputobj.cells:
@@ -169,14 +169,16 @@ def __init__(
                         self._data.GetPointData().AddArray(vdata)
             except AssertionError:
                 print("Could not add meshio point data, skip.")
-            try:
-                if len(inputobj.cell_data):
-                    for k in inputobj.cell_data.keys():
-                        vdata = numpy2vtk(inputobj.cell_data[k])
-                        vdata.SetName(str(k))
-                        self._data.GetCellData().AddArray(vdata)
-            except AssertionError:
-                print("Could not add meshio cell data, skip.")
+            # try:
+            #     if len(inputobj.cell_data):
+            #         for k in inputobj.cell_data.keys():
+            #             #print(inputobj.cell_data)
+            #             exit()
+            #             vdata = numpy2vtk(inputobj.cell_data[k])
+            #             vdata.SetName(str(k))
+            #             self._data.GetCellData().AddArray(vdata)
+            # except AssertionError:
+            #     print("Could not add meshio cell data, skip.")
 
         elif "meshlab" in inputtype:
             self._data = vedo.utils.meshlab2vedo(inputobj)
diff --git a/vedo/plotter.py b/vedo/plotter.py
index bf240861..046564c1 100644
--- a/vedo/plotter.py
+++ b/vedo/plotter.py
@@ -3229,7 +3229,7 @@ def add_inset(self, *actors, **options):
         self.widgets.append(widget)
         return widget
 
-    def clear(self, at=None, render=True, deep=False):
+    def clear(self, at=None, deep=False, render=False):
         """Clear the scene from all meshes and volumes."""
         if at is not None:
             renderer = self.renderers[at]
diff --git a/vedo/pyplot.py b/vedo/pyplot.py
index de83a45f..efd17cf6 100644
--- a/vedo/pyplot.py
+++ b/vedo/pyplot.py
@@ -650,6 +650,11 @@ def as2d(self, scale=1, pos="center", padding=0.05):
         """
         x0, x1 = self.xbounds()
         y0, y1 = self.ybounds()
+        pp = self.pos()
+        x0 -= pp[0]
+        x1 -= pp[0]
+        y0 -= pp[1]
+        y1 -= pp[1]
 
         if not utils.is_sequence(padding):
             padding = (padding, padding)
diff --git a/vedo/version.py b/vedo/version.py
index e7bd291d..5fbe8cff 100644
--- a/vedo/version.py
+++ b/vedo/version.py
@@ -1 +1 @@
-_version='2022.4.1.dev10'
+_version='2022.4.2'