[vtkusers] Display 'Transparent' Map

[jonathan grimm]

You could try vtkImageThreshhold and vtkImageMask or vtkImageMathematics to
combine the images in advance.
For rendering, simple is vtkImageActor.

On 8/15/07, Janny Dong <janny.dong at gmail.com> wrote:
>
> Hello, vtkusers
>
> I made a movie with VTK to visualize the temperature changes, as shown in
> the attached screen shot (map.jpg). The red dots are locations of
> measurements. What I want to do is display a geographic map ( e.g. US map)
> over this color map showing the state boundaries. The US map is kind of
> 'floating' above my temperature map, masking the ocean part but not the
> color changes (as in usmap.jpg).
>
> Could someone shed some lights on which VTK class to use? I was looking at
> vtkTexture but I don't think it is the right one.
>
> Thanks!
> Janny
>
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-- 
Sometimes it's hard to tell the dancer from the dance - Corwin in CoC
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