Added 3D examples to menu

examples/__main__.py

@@ -10,17 +10,23 @@ from collections import OrderedDict
 examples = OrderedDict([
     ('Command-line usage', 'CLIexample.py'),
     ('Basic Plotting', 'Plotting.py'),
+    ('ImageView', 'ImageView.py'),
+    ('ParameterTree', '../parametertree'),
     ('GraphicsItems', OrderedDict([
+        ('Scatter Plot', 'ScatterPlot.py'),
         #('PlotItem', 'PlotItem.py'),
         ('ImageItem - video', 'ImageItem.py'),
         ('ImageItem - draw', 'Draw.py'),
         ('Region-of-Interest', 'ROItypes.py'),
         ('GraphicsLayout', 'GraphicsLayout.py'),
-        ('Scatter Plot', 'ScatterPlot.py'),
         ('Text Item', 'text.py'),
-        ('ViewBox', 'ViewBox.py'),
         ('Linked Views', 'linkedViews.py'),
         ('Arrow', 'Arrow.py'),
+        ('ViewBox', 'ViewBox.py'),
+    ])),
+    ('3D Graphics', OrderedDict([
+        ('Volumetric', 'GLVolumeItem.py'),
+        ('Isosurface', 'GLMeshItem.py'),
     ])),
     ('Widgets', OrderedDict([
         ('PlotWidget', 'PlotWidget.py'),
@@ -34,10 +40,9 @@ examples = OrderedDict([
         #('VerticalLabel', '../widgets/VerticalLabel.py'),
         ('JoystickButton', '../widgets/JoystickButton.py'),
     ])),
-    ('ImageView', 'ImageView.py'),
+   
     ('GraphicsScene', 'GraphicsScene.py'),
     ('Flowcharts', 'Flowchart.py'),
-    ('ParameterTree', '../parametertree'),
     #('Canvas', '../canvas'),
     #('MultiPlotWidget', 'MultiPlotWidget.py'),
 ])
@@ -93,6 +98,8 @@ class ExampleLoader(QtGui.QMainWindow):
         if fn is None:
             self.ui.codeView.clear()
             return
+        if os.path.isdir(fn):
+            fn = os.path.join(fn, '__main__.py')
         text = open(fn).read()
         self.ui.codeView.setPlainText(text)