Texture map "flickering"

[Miller, James V (CRD)]

I believe we have seen this on the Ultra 60's as well.  We believe it is a problem with Sun's OpenGL.
We don't seem to have this problem on other architectures.  Unfortunately, I do not have any
suggestions on how to reduce it. Sorry.

> -----Original Message-----
> From: Audrius Stundzia [mailto:adv_biologic at hotmail.com]
> Sent: Tuesday, November 30, 1999 7:58 PM
> To: vtkusers at gsao.med.ge.com
> Subject: Q: Texture map "flickering"
> 
> 
> Dear fellow vtker's,
> 
> I generate an orthogonal coordinate grid system as a 2D texture
> map (it's overlayed on top of another texture map image).
> 
> I find that as I zoom in and out (especially as the image gets
> small) the horizontal and vertical grid line of the coordinate
> grid appear and disappear ("flicker"). The InterpolateOn()
> of vtkTexture reduces this flicker somewhat.
> 
> I also have the swap buffers turned on (not that this seems to make
> any difference)
> 
> Why is this flickering occuring? Is this anything else I can 
> due to reduce 
> this unsightly effect?
> 
> I'm running on a Ultra-60 with a Creator 3D graphics card.
> 
> Any insight would be most appreciated. Thanks.
> 
> Regards,
> 
> Audrius
> 
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