[vtkusers] Why is the image red?

[Jérôme]

Hi David,

Isn't it the default lookup table? 0 (red) to 1 (blue) (with 0.5 is green)?

Jerome

2009/12/14 David Doria <daviddoria+vtk at gmail.com<daviddoria%2Bvtk at gmail.com>
>

> I tried to create an ImageData and texture map it onto a plane. I set
> all of the components of the image to 0. Therefore, I would expect a
> black image. What I see instead is a red plane.
>
> Anyone see something that is setting the image pixels to red?
> http://www.cmake.org/Wiki/VTK_Examples_Texture_map_an_ImageData
>
> Thanks,
>
> David
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