POV-Ray: Newsgroups: povray.newusers: How to combine an image map, color and transparency?: Re: How to combine an image map, color and transparency?

POV-Ray : Newsgroups : povray.newusers : How to combine an image map, color and transparency? : Re: How to combine an image map, color and transparency?		Server Time 1 May 2024 18:20:33 EDT (-0400)

From: Christian Froeschlin
Date: 24 Nov 2014 20:29:46
Message: <5473db8a$1@news.povray.org>

On 25.11.2014 2:23, Christian Froeschlin wrote:

> interesting variants might be
>
> 0.5 * (PR1(x,y,z).filter + PR2(x,y,z).filter)
>
> or
>
> max(PR1(x,y,z).filter,PR2(x,y,z).filter)

and of course the inverse interpretation of multiplication:

1 - (1-PR1(x,y,z).filter)*(1-PR2(x,y,z).filter)

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