> Don't use such an obtuse color choice scheme.
> 
> Q:  What is your image **about**?

Well, you see, i'm used to programming with OpenGL (interactive 3D, like 
3D games, etc..) and I often program abstract screensavers and when I 
have to chose the colors I simply rely on the 3 RGB...

But now that I'm doing a project for povray, I will probably eventually 
change the way I use colors...

Actually, I might even use different kind of metals like bronze, silver, 
gold, etc...  I'm not sure, I'm just stuck with the color choice and if 
I get a simple good color choice, I'll use it, then when the image is 
done, I'll change the colors to better looking ones!

Xilo

-- 
Dedicated to audio/visual and interactive artwork.
Author of The Primary Colors of CSound:
http://www.geocities.com/simonlemieux/PCCS/index.html

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Xilo Musimene wrote:

>> In the rainbow you have red, orange, yellow, green, blue and purple.
> 
> 
> Hmmm, isn't there 7 colors in the rainbow?

Which one do you miss? (Actually, there is infinitely many colors in the 
rainbow :)

/Ib

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> Which one do you miss? (Actually, there is infinitely many colors in the 
> rainbow :)

Well, i don't know, but since I'm a kid I've been told there were 7 
colors in a rainbow,  though I know for having done some optical physics 
at school that there is the whole visible spectrum.

But I was wondering what were the 7 colors I've been told when I was a 
kid...

Xilo

-- 
Dedicated to audio/visual and interactive artwork.
Author of The Primary Colors of CSound:
http://www.geocities.com/simonlemieux/PCCS/index.html

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On Sun, 20 Apr 2003 04:04:08 +0500, Xilo Musimene <xil### [at] hotpopcom> wrote:


>But I was wondering what were the 7 colors I've been told when I was a 
>kid...
>
Roy G Biv

Red, Orange, Yellow, Green, Blue, Indigo and Violet.

Personally I only ever see a maximum of six in nature, the Blue, Indigo and
Violet seem to be so close in hue they blend into two colours. In a darkened lab
I'm sure I saw the seven but I wanted to, that may have helped.


Regards
        Stephen

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Xilo Musimene <xil### [at] hotpopcom> wrote in news:3EA### [at] hotpopcom

[...]

main "colors" in common interpretation, colud be :

gray- rgb 1  rgb 0  rgb .5

RGB- rgb x rgb y rgb z

CMY- rgb x+y rgb y+z rgb z+x

and maybe also brown collor  about ~ <1,.7,.3> and orange ~ <1,.7,.1>

-- 
#macro g(U,V)(.4*abs(sin(9*sqrt(pow(x-U,2)+pow(y-V,2))))*pow(1-min(1,(sqrt(
pow(x-U,2)+pow(y-V,2))*.3)),2)+.9)#end#macro p(c)#if(c>1)#local l=mod(c,100
);g(2*div(l,10)-8,2*mod(l,10)-8)*p(div(c,100))#else 1#end#end light_source{
y 2}sphere{z*20 9pigment{function{p(26252423)*p(36455644)*p(66656463)}}}//M

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Among other things, Xilo Musimene wrote:

>> In case you don't know, it was John Dalton, the father of the Atomic
>> Theory, who gave name to daltonism, he was colour blind and studied that
>> condition.
> 
> I didn't...  I wonder if working in an atomic lab for long can render
> someone color blind! hehe

I was talking of XVIII century, Dalton postulated elements were made out of 
atoms which combined to form compounds, there were no neutrons or gamma 
rays back then ;)

-- 
light_source{9+9*x,1}camera{orthographic look_at(1-y)/4angle 30location
9/4-z*4}light_source{-9*z,1}union{box{.9-z.1+x clipped_by{plane{2+y-4*x
0}}}box{z-y-.1.1+z}box{-.1.1+x}box{.1z-.1}pigment{rgb<.8.2,1>}}//Jellby

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Among other things, Ib Rasmussen wrote:

> Most people, who don't know about the RGB colour space, regard yellow as
> a primary colour along with red, green and blue.

Actually, when I was a child I was taught basic colours were red, blue and 
yellow. Secondary colours would be green (blue + yellow), purple (red + 
blue) and orange (yellow + red), cyan looks like a light blue.

I know this doesn't comply with colour theory, but it works when using real 
paints (and when you're 6) ;)

-- 
light_source{9+9*x,1}camera{orthographic look_at(1-y)/4angle 30location
9/4-z*4}light_source{-9*z,1}union{box{.9-z.1+x clipped_by{plane{2+y-4*x
0}}}box{z-y-.1.1+z}box{-.1.1+x}box{.1z-.1}pigment{rgb<.8.2,1>}}//Jellby

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In article <3EA### [at] hotpopcom>,
 Xilo Musimene <xil### [at] hotpopcom> wrote:

> > In the rainbow you have red, orange, yellow, green, blue and purple.
> 
> Hmmm, isn't there 7 colors in the rainbow?

Uh...the rainbow contains the entire spectrum. It has every color 
possible with a single wavelength. It would look quite strange with 7 
colors.

-- 
Christopher James Huff <cja### [at] earthlinknet>
http://home.earthlink.net/~cjameshuff/
POV-Ray TAG: chr### [at] tagpovrayorg
http://tag.povray.org/

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In article <3ea2c000@news.povray.org>, Jellby <jel### [at] M-yahoocom> 
wrote:

> Actually, when I was a child I was taught basic colours were red, blue and 
> yellow. Secondary colours would be green (blue + yellow), purple (red + 
> blue) and orange (yellow + red), cyan looks like a light blue.
> 
> I know this doesn't comply with colour theory, but it works when using real 
> paints (and when you're 6) ;)

That's subtractive color, or CMY: "blue" == cyan,  "red" == magenta. The 
crayons are close enough you can use the same rules and get something 
close to the desired result, though proportions are different.

-- 
Christopher James Huff <cja### [at] earthlinknet>
http://home.earthlink.net/~cjameshuff/
POV-Ray TAG: chr### [at] tagpovrayorg
http://tag.povray.org/

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On Sun, 20 Apr 2003 02:43:51 +0500, Xilo Musimene <xil### [at] hotpopcom>
wrote:

>Hmmm, isn't there 7 colors in the rainbow?

When I was a kid, I was taught the colors of the rainbow using the
name of a guy called "Roy G. Biv". That's Red, Orange, Yellow, Green,
Blue, Indigo, Violet.


Peter Popov ICQ : 15002700
Personal e-mail : pet### [at] vipbg
TAG      e-mail : pet### [at] tagpovrayorg

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