Subject:
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Re: On obscure color conversions.
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Newsgroups:
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lugnet.cad.mlcad
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Date:
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Tue, 24 Oct 2000 21:57:09 GMT
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Viewed:
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2032 times
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In lugnet.cad.mlcad, Steve Bliss writes:
> In lugnet.cad.mlcad, James J. wrote:
>
> > In LDLite, a few colors were added to the existing LDraw/LEdit palette. Among
> > them were 21, the glow-in-the-color, 25, the reddish orange, and 2 versions • of
> > tan. While these continue to look good in LDLite and MLCAD, they show up as
> > pale imposters of 0-15 on LEdit. However, dithered -- and better looking --
> > combinations of colors made in LEdit/LDraw (between 256 and 511), which do • show
> > up in MLCAD, are given no names, diminishing their effectiveness in printed
> > instructions. Here is my solution to this growing problem. Official names
> > should be given to the LDraw dithers (and some MLCAD 24-bit colors) in order
> > to make them easier to use.
>
> A number of the color-codes you listed *are* in the LDraw FAQ,
> <http://www.ldraw.org/faq>, which is about as official as things get, for
> colors in LDraw-world.
Thanks for mentioning the LDraw FAQ. At the bottom of my own LDraw page
<http://www.people.memphis.edu/~Jejackso/ledit.html>, I've clipped the chapters
involving colors and inserted a few of my own color alternatives which should
work on either LDraw, MLCad, or POV-Ray.
> These codes are:
>
> > #382 - Tan (same as TLG's Tan)
> > #366 - Gold
Note: On POV-Ray, Color366 (Gold) is NOT metallic and must be made so by
copying and pasting texture values from Color383 (Silver).
> > #383 - Silver
> > #42 - Trans-Chartreuse
> > #494 - [Electric] Contact
> > #462 - Orange
>
> And you made some suggestions for alternatives to the standard color
> values:
>
> > 0x2FF8000 - Orange (same as 462, but closer to TLG's orange.)
> > 0x2705000 - (Try this in place of #6 for POV-Ray rendering.)
> > #503 - Metallic (not really Silver)
Honestly, 503 is the twin to 383. But since everyone uses Color383 for silver,
Color503 can be changed in POV-Ray to any metallic color you choose, even that
copper-esque color on Rebel flight suits.
> > #505 - Pastel Blue
> > #441 - Sky Blue
> > 0x3FF6000 - 24-bit Trans-Orange (same as TLG's trans-orange.)
> > 0x21FCAFF - Autobot Blue (my 24-bit Sky Blue alternative)
>
> (LDraw color #9 is a light blue, which can be used as the sky blue.)
441 is a Light Blue and Cyan dither, making for a much brighter color than #9.
It is very good for Computer screens and robot eyes.
>
> > #510 - Pastel Yellow
>
> (the LDraw FAQ lists 495 as Light Yellow. Are there two different shades
> of light/pastel yellow?)
As for Pastel Yellow, there are 2 choices for every dithered color. The
difference between the two can only be seen in LDraw, or a similar program (It
will look the same to POV-Ray).
> In LDLite, you can use the 0 COLOR command to redefine the RGB values used
> for color codes, so it's possible to substitute these values, but still use
> the standard color-codes.
>
> I don't know if MLCAD recognizes the 0 COLOR command or not.
Thanks for informing me of this command. I had no idea it could be done.
> A couple of your suggestions, I'm not sure what LEGO colors they represent.
> Help me out, what sets/themes are these from?
>
> > #492 - Reddish Orange (or a transparent alternative for POV-Ray, ?)
> > 0x28098B0 - Stormy Gray
492 is the same as 462 with a light red base instead of yellow. Because there
are no transparent dithers, I use 492 to represent a transparent version of
462. (Of course, 44 could be used until you get a better program too.) In
POV-Ray, again you would be required to copy translucent texture values from
32-47 or 0x3000000-0x3FFFFFF. Stormy Gray is not an official TLG color, but can
be implemented for a departure from the 7 & 8 grays.
>
> And some of your ideas are for LEGO colors that don't have LDraw codes in
> the FAQ. You are right, they should be in there.
>
> > #277 - (Cool) Violet (same as purple used for Grimace McDonald's LEGO
> > promo)
I love this color and sadly, only have it in 3 x 2 slope bricks. It is used
largely in my 'Marauders' LDraw space collection.
> > #430 - "Spinach Green" or Chartreuse
Note: 430 is used to make the screen(s) on my 1 x 2 Nintendo System tile
<http://www.people.memphis.edu/~Jejackso/3069pGB.dat>. It looks good in places
that call for a solid Chartreuse, as opposed to #10.
> > 0x3500080 - Trans-Violet (as used in Belville's "Queen's Chamber"
> > offering.)
Another 'Marauders'-based want.
I just realized, the non-reflective black color used for Rubber Tires, #256,
should be named as well.
>
> BTW, here are all the entries in the current LDraw FAQ that don't have
> LDraw codes:
>
> Glow in the dark RGB: 224 255 176 LDLite: 21
> Light purple RGB: 224 204 240 LDLite: 20
I've seen it. "Lavender" is a better name.
> Lime green (BT II) RGB: 173 221 80 LDLite: 27
I've seen it. 10 or 430 look less... yucky.
> Pastel green RGB: 102 240 153 LDLite: 17
> Purple RGB: 153 51 153 LDLite: 22
> Purple blue RGB: 76 0 204 LDLite: 23
> Transparent orange RGB: 255 102 0 LDLite: 57 POV-Ray: <1,0.68,0,0.8>
My own choice for POV-Ray's Trans. Orange is <1,0.375,0,0.8>. Some number
between 0.375 and 0.5 for green [RGB] will still make it look very official.
After all, LEGO's trans.-orange is very reddish.
>
> Steve
Thank you for offering your help, Steve.
James Jackson
<http://www.people.memphis.edu/~Jejackso/ledit.html>
"When will they make the Ninja torso in orange so I can have my own Gohan and
Krillin [DragonBall Z] minifigs?"
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Message is in Reply To:
 | | Re: On obscure color conversions.
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| (...) A number of the color-codes you listed *are* in the LDraw FAQ, (URL), which is about as official as things get, for colors in LDraw-world. These codes are: (...) And you made some suggestions for alternatives to the standard color values: (...) (24 years ago, 24-Oct-00, to lugnet.cad.mlcad)
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