[vtkusers] Color doesn't change with external Open GL render -- ?

Robert Belleman robbel at science.uva.nl
Thu Jul 17 02:43:49 EDT 2003


Try this:


-- Rob

[] Robert Belleman, PhD    X  Faculty of Science, Informatics Inst.    []
[] robbel at science.uva.nl  |X| University of Amsterdam, the Netherlands []
[] tel: (+31) 20 525 7510  X  http://www.science.uva.nl/~robbel/       []

On Wed, Jul 16, 2003 at 06:17:44PM -0600, David Edwards wrote:
> Hi,
> I need to do some OpenGL immediate mode rendering into a VTK scene. In
> this example, I draw a cone using VTK, and when I get an EndEvent from
> the vtkRenderer (which occurs at the end of the render), I draw a little
> rectangle using pure OpenGL.
> Here's the problem: The drawn rectangle is always the same color as the
> cone, regardless of what I set it to with glColor3f. If I change the
> cone to red, the rectangle will be red, etc. The rect is renderer in the
> correct location, but with the wrong color.
> The code is below. I sure could use some help on this one.
> Thanks,
> - David Edwards

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