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 CAD / Ray-Tracing / 2128
  Re: "Illusions"
 
(...) Did you make it more transparent for the full spectrum, or just red and/or green? If you didn't increase the transparency for blue at the same time, maybe it's allowing orange light through while causing blue to reflect. (...) If my theory is (...) (21 years ago, 2-Mar-04, to lugnet.cad.ray, FTX)
 
  Re: "Illusions"
 
(...) Well, it certainly sounds logical, but I thought that was what 'filter' did. Well, let me have a look at the documentation. ... Here we are: The 4th component, called filter, specifies the amount of filtered transparency of a substance. Some (...) (21 years ago, 2-Mar-04, to lugnet.cad.ray, FTX)
 
  Re: "Illusions"
 
(...) 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)
 
  Re: "Illusions"
 
(...) 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. (URL) Deeps (each image under 12K): (5 URLs) But looking at the results it just confuses me more. What do you think? Are these the (...) (21 years ago, 3-Mar-04, to lugnet.cad.ray, FTX)
 
  Re: "Illusions"
 
(...) 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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