Changeset 858 for trunk/source/visualization/OpenGL/src/G4OpenGLStoredQtViewer.cc

Timestamp:

Oct 2, 2008, 10:29:48 AM (16 years ago)

Author:

garnier

Message:

protection against no scene + Qapp could be now get on external app

File:

• trunk/source/visualization/OpenGL/src/G4OpenGLStoredQtViewer.cc (modified) (2 diffs)

trunk/source/visualization/OpenGL/src/G4OpenGLStoredQtViewer.cc

@@ -58 +58 @@
   nbPaint =0;
   hasToRepaint =false;
+
+  // if no scene...
+  if (fSceneHandler.GetScene() == 0) {
+    G4cerr << "G4OpenGLStoredQtViewer: Creating a Viewer without a scene is not allowed. \nPlease use /vis/scene/create before /vis/open/.... "
+           << G4endl;
+    return;
+  }
   if (fViewId < 0) return;  // In case error in base class instantiation.
 }
@@ -76 +83 @@
 void G4OpenGLStoredQtViewer::Initialise() {
 #ifdef GEANT4_QT_DEBUG
-  printf("GLWidget::Initialise \n");
+  printf("G4OpenGLStoredQtViewer::Initialise 1\n");
 #endif
   readyToPaint = false;