POV-Ray : Newsgroups : povray.binaries.scene-files : Dakota Red Granite macro - beta #1.2 : Re: Dakota Red Granite macro - beta #1.2 Server Time
27 Sep 2022 14:26:57 EDT (-0400)
  Re: Dakota Red Granite macro - beta #1.2  
From: Bald Eagle
Date: 25 May 2021 06:05:00
Message: <web.60accb12c1167ed21f9dae3025979125@news.povray.org>
"Bald Eagle" <cre### [at] netscapenet> wrote:

> Maybe the best sslt test-bed would be a back-lit wedge of material, much like
> what Ansel Adams would do with the Zone System when calibrating negatives and
> prints.

This is a thin prism (0 to 0.1) with a single point light behind the left edge.

I'm wondering if eval_pigment could act as a way to guide the result?

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