[vtkusers] Wrong colour mappings.

[D.M.P.Davies]

I develop on a system with a  graphics board with it's own opengl
library . (windows).

My developments are using  tcl/tk  and embedded vtkTkRenderWidgets.

When transferring to a windows PC with Microsoft's own opengl.dll (95
and 98) , I don't initially get the correct Look Up Table  colour
mappings.

When I generate a second vtkTkRenderWidget (either embedded or in its
own window)  the colour mapping corrects itself.

Has anybody  recognized this and if so what is the cure?

Thanks

Dave Davies
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