[Paraview-developers] Re: [vtk-developers] A PT mapper for VTK

[Moreland, Kenneth]

> > 
> > I assume you mean vtkDepthSortPolyData.  Yes, I originally 
> looked into
> > using that, but quickly ruled it out.    vtkVisiblitySort and its
> > subclasses need to resort on a per-frame basis.  
> 
> I believe DepthSortPolyData also does this on a per frame 
> basis. Am I confused? (about this specific issue, not in general)

Sure.  vtkDepthSortPolyData will recompute its output every time the
camera changes, but it's really slow.

> > Yes.  vtkDepthSortPolyData can use a vtkVisibilitySort to 
> get a sorted 
> > list of cell ids, then build its output based on that.
> 
> Can you please make this change?

I can after the classes get moved into VTK.

> Let's call it vtkSortDataArray

OK.

-Ken

   ****      Kenneth Moreland
    ***      Sandia National Laboratories
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