On 10/22/07, Mark <email@hidden> wrote:
> Hi all,
> if I get it right, OpenGL gives two options for interpolation of 3d
> textures, nearest neighbor or trilinear.
>
> I would like to test other interpolation options, for this, for a
> given coordinate XYZ, I need not the interpolated value of XYZ but
> instead the values of all (or some) grid points surrounding
> coordinate XYZ.
>
> Does somebody have a smart idea how to do that?
Fragment shader.
-Keith
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