Subject:
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Transparent colors in POV-Ray
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Newsgroups:
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lugnet.cad.ray
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Date:
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Thu, 11 Jun 2009 21:19:44 GMT
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Viewed:
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13859 times
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Hello all,
I'm the developer of LD4DStudio (http://www.ld4dstudio.nl) and I'm in the midsts
of rounding up the 1.1 version which supports POV-Ray export.
But the thing is I'm not too happy about my transparent color setup. At the
moment I'm using the following (this is blue, but all transparent colors are the
same, except for the rgb values)
//----Texture for LDraw color 33 "trans blue"
#declare color33 = texture {
pigment {
rgbft <0.0000, 0.1300, 0.6300, 0.9000, 0.1000>
}
finish {
ambient rgb <1.0000, 1.0000, 1.0000>
diffuse 1.0000
brilliance 1.0000
ior 1.2000
reflection {
rgb <0.0800, 0.0800, 0.0800>
falloff 1.0000
exponent 1.0000
metallic 0.0000
}
}
}
The thing is you can't clearly see through it, but if I increast the 't' value
of the pigment it seems like part loses it's own color (e.g. red transparent
renders blue if surrounding parts are blue). I think I'm just not 'getting' the
whole rgbft meaning or something.
so, I was wondering if someone could give me some pointers on how to improve
things.
Greetings,
Roland
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Message has 3 Replies:
 | | Re: Transparent colors in POV-Ray
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| (...) For reasons that I don't understand, the apparent transparency of things in the final POV output is greatly influenced by the background color. Set the background color to black, and things look substantially more transparent than when it's (...) (15 years ago, 11-Jun-09, to lugnet.cad.ray)
| | | Re: Transparent colors in POV-Ray
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| (...) For which version of POV-Ray you are generating the code? I have just made some tests with 3.6 for windows with your values, and I can not see any faults. Maybe this page give a clue to you (URL) (15 years ago, 11-Jun-09, to lugnet.cad.ray)
| | | Re: Transparent colors in POV-Ray
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| (...) Try dropping the 'ambient' part. This is how my transparent 'christmas lights' are defined: #declare Color46_t = texture { pigment { rgbf <1,0.905882,0.211765,0.85> } finish { ambient 0.0 diffuse 1.0 phong 0.5 phong_size 40 reflection 0.6 (...) (15 years ago, 12-Jun-09, to lugnet.cad.ray)
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