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. -- To reply via email subtract one hundred and four