Can you make this thick and only on one side of the box?
"Bob Hughes" <omn### [at] charternet> wrote in message 
news:420ea14b$1@news.povray.org...
> Well, there's nothing to importing them. Simply use an image file that has 
> the alpha channel and apply it to the box, as in:
>
> box {
>    0,1
>    pigment {
>        image_map {
>            png "alpha.png"
>        } // will be centered on both +z and -z faces
>    }
> }
>
> Where "alpha" is the files name, and png the file type. I think only PNG 
> and TGA are accepted, but I'm not completely sure of that. I had to look 
> this up in the documentation myself, been a while since I used it. Have a 
> look under section 3.5.1.5 Image Map which has a subsection 3.5.1.5.3 
> Using the Alpha Channel
>
> I read this before Marc replied but I was a little confused by the 
> question, too, perhaps thinking it more complicated than really is.
>
> Bob Hughes
>
>

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