Michele

Would be nice to have a pre-made, programmable class supporting multiple rendering techniques. **Single Volume** - Cropping: clipping away parts of the model based on some function/shape or as VTK...

Thanks Fabien, long time no see :) I'd be happy to merge all of your improvements. Would you mind splitting the PR in smaller separate ones so I can check...

Thanks Fabien is always fun to connect with people who have used VL :) Perhaps the best course of action would be to do one change at a time starting...