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Re: color function

  • To: mathgroup at smc.vnet.net
  • Subject: [mg128364] Re: color function
  • From: Barrie Stokes <Barrie.Stokes at newcastle.edu.au>
  • Date: Wed, 10 Oct 2012 01:24:32 -0400 (EDT)
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  • References: <20121009043807.A9EB96886@smc.vnet.net>

Hi again

Oops - wrong plotting function last time ...

ContourPlot[x^2 + y^2, {x, -10, 10}, {y, -10, 10}, 
 ColorFunction -> (Which[# < 0.2, Hue[.11], True, Hue[.73]] &)]

Barrie

>>> On 09/10/2012 at 3:38 pm, in message <20121009043807.A9EB96886 at smc.vnet.net>,
Rick C <rick.cangelosi at gmail.com> wrote:
> 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.




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