[vtkusers] Please help -- problem with TexturedSphereSource

[Jared Cohen]

Hi all. I was hoping I could get some help with this?

I've been trying to get the TexturedSphereSource to display as a PARTIAL 
sphere. The VTK documentation says that you can use the SetTheta and 
SetPhi methods to control how much of the sphere is displayed; but when 
I tried it, these methods didn't seem to have any effect at all! Any ideas?

Also, what I'd REALLY like to be able to do is to specify both the 
minimum AND maximum values for Theta and Phi. The regular SphereSource 
lets you do this, but the TexturedSphereSource only has methods to set 
the maximum values (and of course, those methods don't even WORK.) I 
initially tried mapping my texture onto a regular SphereSource object by 
passing it through a TextureMapToSphere filter; this worked, but it 
produced a nasty seam in the back that I couldn't seem to get rid of :-(

Any help would be most appreciated.
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