Subject:
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Re: Codes for New Colors (was: Sand Red Bricks)
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Newsgroups:
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lugnet.cad.dev
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Date:
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Tue, 2 Oct 2001 16:22:16 GMT
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Viewed:
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694 times
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In lugnet.cad.dev, Lars C. Hassing writes:
> I was my impression that colors 256 to 511 are dithered combinations
> of colors 0 to 15, and that the RGB was the calculated average of
> the two dithered colors.
> The RGB of dithered colors is just mentioned in the FAQ as a convenience.
I always thought the RGBs in the FAQ were supposed to be approximations of
the 'real colors'. LDraw's palette is a poor match for real LEGO, and I'd
hate to be stuck with it's selections.
Although there were some values that we didn't have any measures of real
pieces, so we just put in the values from LDraw.
> If we define a different RGB than the average, then renderings in
> old and new programs will appear differently...
Yes, because the old programs couldn't know the RGBs for new colors.
A solution for keeping old programs up to date is to not hard-code the RGB
values in the programs at all, but retrieve them from a data file everytime.
Then adding new colors is a matter of updating the data file, not changing
the program.
Steve
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Message has 1 Reply:
Message is in Reply To:
 | | Re: Codes for New Colors (was: Sand Red Bricks)
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| (...) [snip] (...) I was my impression that colors 256 to 511 are dithered combinations of colors 0 to 15, and that the RGB was the calculated average of the two dithered colors. The RGB of dithered colors is just mentioned in the FAQ as a (...) (23 years ago, 2-Oct-01, to lugnet.cad.dev)
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