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Re: ColorFunctions again (making z=0 be different from z=1)

• To: mathgroup at smc.vnet.net
• Subject: [mg50597] Re: ColorFunctions again (making z=0 be different from z=1)
• From: Bill Rowe <readnewsciv at earthlink.net>
• Date: Sat, 11 Sep 2004 06:45:18 -0400 (EDT)
• Sender: owner-wri-mathgroup at wolfram.com

On 9/10/04 at 4:06 AM, siegman at stanford.edu (AES/newspost) wrote:

>In article <chpa0a$jsl$1 at smc.vnet.net>, "Peltio"
><peltio at twilight.zone> wrote:
>
>>>Do others have any favorite, not too messy ColorFunctions that
>>>make values near z = 0 tend toward white, or grey, or less
>>>bright, or something so that there's a clearly unidirectional
>>>visual effect going from values of z near 0 to those near z = 1?

>>Black and white is elegant, isn't it? : ) So, why not to use

>>GrayLevel

>Thanks -- not a bad idea.

>But color adds something also.

>Would you have offhand a way to define a

>RedLevel

>that goes from white for z=0 to brightest red for z=1?

>(or similar for other colors?)

Try RedLevel[z_]:=Hue[0,z,1]. That is use z to control the saturation while setting the brightness to maximum and color to a fixed value, 0 in this case.
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