On 7 Mar 2002 14:55:07 -0500, Warp wrote:
> Timon Christl <chr### [at] arielfmiuni-passaude> wrote:
>> and see the difference between the two images. The interpolated version
>> shows a shifted texture image. I think it would be correct it the
>> interpolation would take the middle of each texel (texture bitmap pixel)
>> instead of a texel's corner.
> 
>> Is this a bug or a feature?
> 
>   AFAIK, feature.
>   3D-cards do the same. Probably also most other renderers.

There are (or were) some bugs in interpolation.  I don't remember whether
we've gotten around to fixing them or not.

-- 
#macro R(L P)sphere{L F}cylinder{L P F}#end#macro P(V)merge{R(z+a z)R(-z a-z)R(a
-z-z-z a+z)torus{1F clipped_by{plane{a 0}}}translate V}#end#macro Z(a F T)merge{
P(z+a)P(z-a)R(-z-z-x a)pigment{rgbf 1}hollow interior{media{emission 3-T}}}#end 
Z(-x-x.2x)camera{location z*-10rotate x*90normal{bumps.02scale.05}}

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