"Robert A." <inv### [at] invalidorg> wrote in message 
news:44382549$1@news.povray.org...
>
> Is it possible to have a surface rendered as a pure color unaffected by 
> light but with shadows ? Kind of like the background color but with 
> shadows.
>
> So if I had a plane set to color <1.0, 0.0, 0.0> it will be RGB(255, 0, 0) 
> everywhere except where there is shadow. I'm making 2D images of GUI 
> controls so this would be very useful, especially in creating the alpha 
> mask.

Your message post got added as a much older thread. Here's an idea:

finish {ambient 0 diffuse 3}  // diffuse higher than 1 anyhow

That could probably do okay. Should oversaturate the color, leaving shadows 
but not allowing it to lose brightness from varying lighting angles. Of 
course, a plane is easier to keep uniform in color compared to other 
objects.

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