Thanks! Got to try it first, but it looks like what
I want.

Personally, I'm not too sure about others, but I
find the documentation doesn't cover functions
well enough as it does all the other sections. Perhaps
someone could work on this? I'm obviously not
the guy for that though... :-)


-- 
Tim Nikias v2.0
Homepage: http://www.digitaltwilight.de/no_lights
Email: Tim### [at] gmxde

> Tim Nikias v2.0 wrote:
> >
> > What I'm trying to do is following:
> > I've got two images, one in grayscale,
> > the other just some image. I want to
> > add the grayscale to the other image, so
> > that white areas of the grayscale are white
> > in the combination, and black won't change
> > the colored image.
> >
> > There has got to be some way to do this
> > and to use that function as a pattern (along
> > with colors and all), so that I may map the
> > resulting function using uv-mapping onto
> > two triangles which cover exactly the camera's
> > field of view.
> >
> > Thus I want to create a method of combining
> > specularity-image (made by my latest macros)
> > with an image (which has no specularity components),
> > and still do it all in POV.
> >
> > Any hints, code-snippets, links?
>
> // the grayscale
> #local pigM=pigment { image_map { png "mymask.png" } }
>
> // the overlaid picture
> #local pigP=pigment { image_map { png "mypic.png" } }
>
> // this combines them
> pigment { pigment_pattern { pigM }
>   pigment_map {
>     [0 pigP]
>     [1 pigM]
>   }
> }
>
> Hope this helps,
> John

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