Anti aliasing is off with VTK 6.3.0
This issue was created automatically from an original Mantis Issue. Further discussion may take place here.
It seems the bug described in this issue: #15433 (closed)
is not totally 100% fixed, I have the same issue using VTK 6.3.0. In my case though I am using the vtkGenericOpenGLRenderWindow() (through vtkJoglPanelComponent). I was using the classic vtkPanel before.