In article <403### [at] univ-savoiefr> , Christophe Raffalli 
<raf### [at] univ-savoiefr>  wrote:

> What I want is to be able to choose which face if the backside and which
> face if the front face for a mesh2 in fact.

You cannot do this if you also desire to apply individual textures to each
face of the mesh.  You can of course split the mesh into as many faces as
you want to texture individually, but I am aware that doing so is not
feasible if you have many individual textures.

> For the moment I get a nice patchwork (not completely random) because
> texture and interior texture are applied in a way I do not understand to
> each triangle in the mesh.

interior_texture is only applied to those triangles which do not have their
own texture.  I understand that this may not always be desired, but
currently (POV-Ray 3.6 beta 1) you cannot get the effect you would like.

> Should I give a script sample ?

No, I completely understand what you are trying to do.  As said, you cannot
currently recreate the effect you desire as of POV-Ray 3.6 beta 1.

    Thorsten

____________________________________________________
Thorsten Froehlich
e-mail: mac### [at] povrayorg

I am a member of the POV-Ray Team.
Visit POV-Ray on the web: http://mac.povray.org

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