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GL_TEXTURE_3D?

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TESTURES3D are almost for scientific stuffs.

you can consider them as many TEXTURES2D nearby each other, separating from one pixel (or more, or less i think).

it''s very huge to do that and i advise using a very good 3Dcard.

you can use them to make a vision of a skull, or making environmental view...

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They''re good for landscapes. You can have a 3D texture which is blue at the bottom and greener as it goes towards the top, including things like soil and rocks in it, then wrap it, repeating a your landscape. It would look great. They''re very big though, so you''d probably want to stick to small textures.

www.elf-stone.com

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3D textures can also be used to encode distance attenuation for per-pixel lighting. One can also use 3D textures for texture animation: each slice represents a frame, to play the animation you simply adjust texture coordinates.

Edit: the NVIDIA opengl SDK contans a good presentation about 3d textures.

-Lev

[edited by - Lev Povalahev on March 21, 2002 9:49:41 AM]

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