On 7 Nov 2001 05:29:56 -0500, ingo <ing### [at] homenl> wrote:
> in news:Xns### [at] povrayorg ingo wrote:
>
> > There is one minor "problem" though. The texture_list does not
> > accept interior_texture. Nor does it accept materials, so it is not
> > possible to use texture + interior_texture there.
>
> ... and adding inverse to the mesh doesn't flip the textures as it does 
> on a sphere. Not that I expected it to do so, but it would be very nice 
> if inverse flipped the normals on a mesh.

from 6.5.9.4  "The appearance of the object is not changed, just the way that
POV-Ray perceives it." ;-)

ABX
--
#declare _=function(a,b,x){((a^2)+(b^2))^.5-x}#default {pigment{color rgb 1}}
union{plane{y,-3}plane{-x,-3}finish{reflection 1 ambient 0}}isosurface{ //ABX
function{_(x-2,y,1)|_((x+y)*.7,z,.1)|_((x+y+2)*.7,z,.1)|_(x/2+y*.8+1.5,z,.1)}
contained_by{box{<0,-3,-.1>,<3,0,.1>}}translate z*15finish{ambient 1}}//POV35

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