Subject:
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Re: Color Definition for Dull Silver
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Newsgroups:
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lugnet.cad.dev, lugnet.cad.ray
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Date:
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Tue, 23 Sep 2003 19:51:05 GMT
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Viewed:
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343 times
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In lugnet.cad.dev, Lars C. Hassing wrote:
> In lugnet.cad.dev, Orion Pobursky wrote:
> > In lugnet.cad.dev, Lars C. Hassing wrote: [snip]
> > > I would like to draw attention to my posting about material:
> > > http://news.lugnet.com/cad/dev/org/ldraw/?n=2530
> >
> > Are you going to support the ldconfig file in the next version of L3P? This
> > would make coming up with different color sets easy.
>
> Yes, as soon as the format is settled.
On that note, let me toss in my $2.
I agree with Cary and Steve that dithering should go. Who needs it?
The renderer should be able to convert from true color to dithered
colors if the display is underpowered. If you must have it for some
special effect like pearlescent sprinkles, then add it to the material
section. So colors should be 0xAARRGGBB because that's the way
I like to parse them. AA should be somewhere between FF and 00 for
transparent colors. (perhaps 80?)
I think the true color edge colors need the high bits to distinguish
them from color indices, so I vote for 0x2RRGGBB for that.
Multiple material properties are separated by the word MATERIAL.
Contrived examples with completely bogus colors.
0 // Index ColorName EdgeColor Color ARGB Materials
0 COLOURDEF 33 TransBlue 0x2002266 0x800020A0 MATERIAL transparent
0 COLOURDEF 256 RubberBlack 0x2000000 0xFF212121 MATERIAL rubber
0 COLOURDEF 334 ChromeGold 15 0xFFC40026 MATERIAL metallic SHININESS
15
0 COLOURDEF nnn PearlyTan 0x2808080 0xFFC40026 MATERIAL pearly 0x80123456
Don
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Message has 2 Replies:
 | | Re: Color Definition for Dull Silver
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| (...) It's needed for backwards compability. Using an old/not updated renderer shouldn't make the rendering look awkward. But using a newer renderer should make it better. So is the case with grey rubber, black rubber, and electric conductor. When (...) (21 years ago, 23-Sep-03, to lugnet.cad.dev, lugnet.cad.ray)
| | | Re: Color Definition for Dull Silver
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| (...) Actually, I want to keep dithering. (...) Shrug. I dunno. (...) I'm OK with AARRGGBB, if everyone agrees with that. I'd recommend that programs recognize a variety of semi-standard formats, specifically: #AARRGGBB 0xAARRGGBB AARRGGBB (...) (21 years ago, 24-Sep-03, to lugnet.cad.dev, lugnet.cad.ray)
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