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Thread: 3D texture

  1. #1
    Member Newbie
    Join Date
    Feb 2004
    Location
    Bangladesh
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    41

    3D texture

    Hi!
    Can anyone explain me? What is the use of 3D texture?

    Thank you

  2. #2
    Halcyon
    Guest

    Re: 3D texture

    I don't really know why you would want to use one. But then again i don't really understand them beyond the basics.

    I don't know much about 3d Textures but here is what i do know.

    In a normal texture map that you put on faces (2d texture map), there are two coordinates. The u and the v. In a 3d texture map, there are three coordinates. The names of those coordinates can be whatever you want...u can use x,y,z if you want. Anyways, the 3d texture maps take up a lot of memory, so 3d texture maps are generated with procedures. Because of that it is also called procedural texturing. Check out this link for a very basic run down of what it is. It is the 6th slide
    http://www-courses.cs.uiuc.edu/~cs31...les/frame.html

  3. #3
    Member Contributor
    Join Date
    Feb 2002
    Posts
    96

    Re: 3D texture

    i thought 3d texture maps where basically the same as 2d except it contains a height element. An example would be the grass in Tony Hawk pro skater 2x on XBOX.

    probably wrong though

  4. #4
    Senior Member Regular Contributor
    Join Date
    Jun 2002
    Posts
    365

    Re: 3D texture

    With the new generation of programmable hardware, texture data is less "texture" and more of a global data structure.

    A great example would be how the people at stanford used a 3d texture as a scene graph to implement a raytracer on the gpu.
    Here is a link, enjoy. http://graphics.stanford.edu/papers/rtongfx/

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