--- a/PyVEFViewer.py	Mon Mar 21 13:28:23 2011 -0700
+++ b/PyVEFViewer.py	Tue Mar 22 14:17:09 2011 -0700
@@ -1,6 +1,7 @@
 from    PyQGLViewer     import *
 from    PyQt4           import QtGui, QtCore
 import  OpenGL.GL as ogl
+from    os.path         import splitext; ext = lambda fn: splitext(fn)[1]
 
 from    points          import Points, centerMinMax, reduceCMM
 from    edges           import Edges
@@ -46,6 +47,14 @@
         item.toggleVisible()
         self.updateGL()
 
+    def keyPressEvent(self, e):
+        if e.key() == QtCore.Qt.Key_O:
+            filename = QtGui.QFileDialog.getOpenFileName(self, 'Open file')
+            self.read_from_extension(str(filename))
+            self.normalize_view()
+        else:
+            super(VEFViewer, self).keyPressEvent(e)
+
     def init(self):
         # ogl.glMaterialf(ogl.GL_FRONT_AND_BACK, ogl.GL_SHININESS, 50.0)
         # specular_color = [ 0.8, 0.8, 0.8, 1.0 ]
@@ -78,6 +87,18 @@
         for tri in triangles:
             self.model_list.addItem(Triangles(tri, self.model_list))
 
+    def read_from_extension(self, fn):
+        if   ext(fn) == '.vrt' or ext(fn) == '.pts':
+            self.read_points([fn])
+        elif ext(fn) == '.edg':
+            self.read_edges([fn])
+        elif ext(fn) == '.stl':
+            self.read_triangles([fn])
+        else:
+            return False
+
+        return True
+
     def set_list(self, model_list):
         self.model_list = model_list
         self.model_list.setContextMenuPolicy(QtCore.Qt.CustomContextMenu)
@@ -90,6 +111,8 @@
         self.setSceneBoundingBox(Vec(self.min.x, self.min.y, self.min.z), \
                                  Vec(self.max.x, self.max.y, self.max.z))
         self.setSceneCenter(Vec(self.center.x, self.center.y, self.center.z))
+        
+    def show_entire_scene(self):        
         self.camera().showEntireScene()
 
     def scene_parameters(self):

--- a/VEFViewer.py	Mon Mar 21 13:28:23 2011 -0700
+++ b/VEFViewer.py	Tue Mar 22 14:17:09 2011 -0700
@@ -3,7 +3,6 @@
 import  ui_PyVEFViewer  as ui
 from    opster          import command, dispatch
 from    sys             import exit
-from    os.path         import splitext; ext = lambda fn: splitext(fn)[1]
 
 class VEFViewerWindow(ui.QtGui.QWidget):
     def __init__(self, parent = None):
@@ -22,18 +21,6 @@
     edges     = opts['edges']
     triangles = opts['triangles']
 
-    # Guess types from extensions
-    for fn in args:
-        if   ext(fn) == '.vrt' or ext(fn) == '.pts':
-            points.append(fn)
-        elif ext(fn) == '.edg':
-            edges.append(fn)
-        elif ext(fn) == '.stl':
-            triangles.append(fn)
-        else:
-            print "Cannot guess type from extension:", fn
-            exit(1)
-
     qapp = ui.QtGui.QApplication([])
     win  = VEFViewerWindow()
     win.show()
@@ -42,7 +29,13 @@
     win.ui.viewer.read_points(points)
     win.ui.viewer.read_edges(edges)
     win.ui.viewer.read_triangles(triangles)
+    # Guess types from extensions
+    for fn in args:
+        if not win.ui.viewer.read_from_extension(fn):
+            print "Cannot guess type from extension:", fn
+            exit(1)
     win.ui.viewer.normalize_view()
+    win.ui.viewer.show_entire_scene()
 
     qapp.exec_()