On Fri, 11 May 2001 16:17:11 +0100, Tom Melly wrote:
>"Christoph Hormann" <chr### [at] gmxde> wrote in message
>news:3AFC0036.AF8E63D5@gmx.de...
>>
>> A mesh is *not* just a union of triangles just to set this right, if many
>> triangles are involved, a mesh is much more efficient.
>
>So internally it's handled differently, but externally it looks like a union?

Almost.  A union can use any texture, but a mesh has to use predeclared 
textures.

-- 
#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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