Subject:
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Re: "Illusions"
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Newsgroups:
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lugnet.cad.ray
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Date:
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Wed, 3 Mar 2004 11:31:05 GMT
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Viewed:
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1947 times
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In lugnet.cad.ray, David Laswell wrote:
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Have you tried changing the colors of the flames to see what happens? If
making them trans-red makes them appear magenta, or trans-green makes them
appear cyan, it would mean that my theory has merit. Exactly why the program
makes it do that, on the other hand, is a completely different matter.
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Well, let me try it. I tried RGB values for the flames of 1,0,0 - 0,1,0 - 0,0,1
- 1,1,1 - 0,0,0 respectively.
http://www.brickshelf.com/cgi-bin/gallery.cgi?f=74447
Deeps (each image under 12K):
http://www.brickshelf.com/gallery/Buachaille/Raytracing/Brazier/brazier-100.jpg
http://www.brickshelf.com/gallery/Buachaille/Raytracing/Brazier/brazier-010.jpg
http://www.brickshelf.com/gallery/Buachaille/Raytracing/Brazier/brazier-001.jpg
http://www.brickshelf.com/gallery/Buachaille/Raytracing/Brazier/brazier-111.jpg
http://www.brickshelf.com/gallery/Buachaille/Raytracing/Brazier/brazier-000.jpg
But looking at the results it just confuses me more. What do you think? Are
these the colors that should occur according to your theory?
-Mike
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Message has 1 Reply:
 | | Re: "Illusions"
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| (...) Not exactly, but pretty close. The 100 looks like it might be about right, but the 010 is more purple than magenta, and the 001 is clearly yellow and not amber (the nofilter flames look closer to amber). It's almost as if you're programming (...) (21 years ago, 3-Mar-04, to lugnet.cad.ray, FTX)
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Message is in Reply To:
| | Re: "Illusions"
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| (...) I've never done CGI artwork before, so I couldn't say how this Filter function should work. I did, however, study theatrical lighting design in college, so I have some solid knowledge about how light works. For instance, if you place an object (...) (21 years ago, 3-Mar-04, to lugnet.cad.ray, FTX)
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