Sounds like a front clipping problem.
There are two solutions:
(1) don't move the camera so close
(2) adjust the front clipping distance: View.setFrontClipDistance()
but be sure to read the paragraph about front/back clip ratio
Actually, you find similar effects in many commercial 3D games, too ;-)
-- Peter
> -----Original Message-----
> From: Lan Wu-Cavener [mailto:[EMAIL PROTECTED]]
>
> I just found another strange problem with my tree texture
> mapping. When a
> tree get very close to the viewer, it becomes transparent and
> the trees
> behind it actually show through its trunk. Please see the
> image I attached.
> Could you please help me to figure out why?
>
> Thanks in advance!
> Lan
>
>
> Lan Wu-Cavener
> Dept. of Landscape Architecture
>
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