[Paraview] Automatic color application (AddArray vs SetScalars)

[Utkarsh Ayachit]

I would think this should work as well. I  believe we had (at some
point) logic to detect any new arrays and use those for coloring when
a new filter is created. Feel free to add this to the bug tracker.

Utkarsh

On Sat, Oct 31, 2009 at 7:52 AM, David Doria <daviddoria at gmail.com> wrote:
> If I add colors to a polydata using
> polydata->GetPointData()->SetScalars ( Colors );
>
> then open the polydata in Paraview, the colors are applied automatically.
>
> However, if I use
> polydata->GetPointData()->AddArray ( Colors );
>
> which is apparently (from the vtk-users list) the "new/correct" way to
> do this in VTK, I have to go to "display" and change "Color by:" to
> "Colors" and then uncheck "Map scalars". Is there a reason that colors
> added in this way are not applied automatically?
>
> Thanks,
>
> David
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