final updates

based on student questions

SpatialDecision/spatial_decision.py

@@ -35,7 +35,19 @@
     import xlrd
 except ImportError, e:
     from .external import xlrd as xl
-    print('local imported')
+
+#change sys path to networkx package if not installed
+import sys
+import inspect
+try:
+    import networkx as nx
+except ImportError, e:
+    cmd_subfolder = os.path.realpath(os.path.abspath(os.path.join(os.path.split(inspect.getfile(inspect.currentframe()))[0],"external")))
+    if cmd_subfolder not in sys.path:
+        sys.path.insert(0, cmd_subfolder)
+    # now can import complex package placed in the external folder
+    # import networkx as nx
+
 
 is_debug = False
 try:

SpatialDecision/spatial_decision_dockwidget.py

@@ -27,6 +27,7 @@
 from qgis.gui import *
 import processing
 
+# matplotlib for the charts
 from matplotlib.backends.backend_qt4agg import FigureCanvasQTAgg as FigureCanvas
 from matplotlib.figure import Figure
 
@@ -145,23 +146,6 @@ def closeEvent(self, event):
         self.closingPlugin.emit()
         event.accept()
 
-    def enterPoi(self):
-        # remember currently selected tool
-        self.userTool = self.canvas.mapTool()
-        # activate coordinate capture tool
-        self.canvas.setMapTool(self.emitPoint)
-
-    def getPoint(self, mapPoint, mouseButton):
-        # change tool so you don't get more than one POI
-        self.canvas.unsetMapTool(self.emitPoint)
-        self.canvas.setMapTool(self.userTool)
-        #Get the click
-        if mapPoint:
-            print(mapPoint)
-            # here do something with the point
-
-
-
 #######
 #   Data functions
 #######
@@ -542,6 +526,22 @@ def updateNumberFeatures(self):
             count = layer.featureCount()
             self.featureCounterEdit.setText(str(count))
 
+    # get the point when the user clicks on the canvas
+    def enterPoi(self):
+        # remember currently selected tool
+        self.userTool = self.canvas.mapTool()
+        # activate coordinate capture tool
+        self.canvas.setMapTool(self.emitPoint)
+
+    def getPoint(self, mapPoint, mouseButton):
+        # change tool so you don't get more than one POI
+        self.canvas.unsetMapTool(self.emitPoint)
+        self.canvas.setMapTool(self.userTool)
+        #Get the click
+        if mapPoint:
+            print(mapPoint)
+            # here do something with the point
+
     # selecting a file for saving
     def selectFile(self):
         last_dir = uf.getLastDir("SDSS")