[FIX #537] better fix for project loading and home calculation

src/core/graphicsEngine/WGEZoomTrackballManipulator.cpp

@@ -219,6 +219,8 @@ void WGEZoomTrackballManipulator::fitToScreen( const osg::Camera* camera )
         return;
     }
 
+    computeHomePosition( camera, true );
+
     double radiusFac[] = {
          1,  1,  1,
         -1,  1,  1,

src/qtgui/WMainWindow.cpp

@@ -1091,8 +1091,8 @@ bool WMainWindow::event( QEvent* event )
                 }
             }
 
-            // Set the manipulator anew after loading to fix some bugs of commands to get passed to the right manipulator.
-            m_mainGLWidget->getViewer()->setCameraManipulator( new WGEZoomTrackballManipulator() );
+            // Loading projects loses home position calculation
+            m_mainGLWidget->getViewer()->getCameraManipulator()->setAutoComputeHomePosition( true );
         }
     }