pv3 movies are lower quality than pv2
This issue was created automatically from an original Mantis Issue. Further discussion may take place here.
pv 2.6 had a choice of low/medium/high animation quality. That was lost in 3.0 and the default is now medium, instead of high as in 2.4. All we need is to add GUI widget to set vtkSMAnimationSceneImageWriter::Quality.