"Richard Borsheim" <rbo### [at] shawca> wrote...
> I guess I'll have to post a request for a new feature:
> "100% translucency = non-existence". Though, I suppose not many "real"
> POVRay users will be interested in such a feature.

FYI, it probably won't ever get added.  It's generally not good practice to
have a "trigger value" like that.

The more likely feature to be added in the future is a "finish map" which
will allow the finish to be directly controlled by a pattern.  Until then, a
"texture map" (already mentioned) is the way you can achieve this result.
It would look something like this:

texture {
  image_pattern {
    <your image file>
    use_alpha // so that it uses the alpha (transparancy) channel
  }
  texture_map {
    [0.0 texture {<your image texture with highlight>} ]
    [1.0 texture {<clear, no-highlight texture>} ]
  }
}

-Nathan

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