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color function

• To: mathgroup at smc.vnet.net
• Subject: [mg128353] color function
• From: Rick C <rick.cangelosi at gmail.com>
• Date: Tue, 9 Oct 2012 00:38:07 -0400 (EDT)
• Delivered-to: l-mathgroup@mail-archive0.wolfram.com
• Delivered-to: l-mathgroup@wolfram.com
• Delivered-to: mathgroup-newout@smc.vnet.net
• Delivered-to: mathgroup-newsend@smc.vnet.net

Hello:

I am working with a contour plot and I am difficulty creating a color function which, for example, will color regions on the plane Blue where if z < 1 and color regions on the plane Brown if z >= 1.  I tried

ContourPlot[f[x, y], {x, -10, 10}, {y, -10, 10}, ColorFunction -> cfun]

where 

cfun[z_] := Which[z < 1, Hue[.12], z >= 1, Hue[.63]]

Thanks in advance for any help you can provide.

• Follow-Ups:
  • Re: color function
    • From: Bob Hanlon <hanlonr357@gmail.com>
  • Re: color function
    • From: Barrie Stokes <Barrie.Stokes@newcastle.edu.au>
  • Re: color function
    • From: Barrie Stokes <Barrie.Stokes@newcastle.edu.au>