Hello
Attached is a couple of screenshots of an object viewed from different positions, one very close to it and the other a bit further away. As you can see viewing the object from some distance produces some weird and unpleasant looking "holes". The object is a TriangleArray with a material, the lightsource is a directionallight attached to the viewplatform (headlight). The front- and backclip distances are within the limits proposed in the javadocs. I'm running java3d 1.3.1 OpenGL version on a GeForce4 graphics card with recently updated drivers.
Some interesting points: when substituting the material with coloringattributes the object renders just fine, but that will not do for my application, I need materials and lighting. Increasing the frontclip distance and decreasing the backclip distance alleviates the problem a little bit, but does not remove it. It just means the holes disappear marginally earlier when moving closer. The objects normals are generated by a NormalGenerator and looks slightly off in places, but nothing major.
All help, insight or pure speculation on this subject will be greatly appreciated.
Øyvind Andersen
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