Actually only SetMultiSamples(0) is enough and everything is ok (:
Can anyone pleaseeee explain why ?
I see examples and here also doing the same with rendering polydata with fixed vtkFixedPointVolumeRayCastMapper
So I FINALY FOUND THIS !!!
// APPLE Intel systems seem to have buggy multisampled AMAZING FIX
What about if I compile\build VTK without APPLE flag for windows parallels on MAC APPLE ?