Question: Maple 13 3D graph render problem

Hi all,

 

I just recently started using maple to supplement my math work. When I was just trying some random equations and graphing them, I tried to plot some 3D graphs. When I tried a simple equation, x+y from -2..2, I recieved this image. http://picasaweb.google.com/lh/photo/wnW4UIkdJck46smuTAnb4Q?feat=directlink

 

I beleive it MIGHT be a problem with the graphics card, but Im not sure. I am using Maple 13.01 on Ubuntu 9.04. Did anyone encounter this problem before? Is there any sort of fix to correct this?

Thanks

Tom

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