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Le 03/05/2016 16:25, Paul a écrit :
> "Bill Pragnell" <bil### [at] hotmail com> wrote:
>> "Paul" <nomail@nomail> wrote:
>>> I need a solid object, the 2 surfaces joined - the transparent yellow things > on
the right side.
>>
>> Where do your images come from? If they were generated by a vector drawing
>> program you may be able to do it another way. Inkscape (https://inkscape.org/)
>> can export paths as POV-Ray prism objects, which would do exactly what you want.
>>
>> If you only have the images, it may still be possible to use Inkscape to trace
>> over the images, creating equivalent paths that could then be exported.
>>
>> Bill
>
> Images are coming from clients.
> No other formats are available, only PNG (if I'm lucky) or JPG.
> I don't think tracing will work, probably not that good definition of resulting
> objects.
> Well, looks like this is one tricky operation, thank you for all your help.
>
>
What you are trying to do is called "extrusion".
One additional solution to the ones already provided could be to convert
the picture into a ttf font, one glyph per colour and then use povray
text objects. (one text per colour).
There is a bit of utilities which can be useful in font-generation from
pictures, and search engines are more verbose on that subject ("create
font from picture")
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