MathGroup Archive 1997

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Re: Colored ListDensityPlot

  • To: mathgroup at
  • Subject: [mg9219] Re: [mg9180] Colored ListDensityPlot
  • From: seanross at
  • Date: Fri, 24 Oct 1997 01:00:32 -0400
  • Sender: owner-wri-mathgroup at

David Keith wrote:
> I am trying to manipulate image data which is described as pixel
> intensity data, with the intensities of various colors in separate
> files. It is easy to read the data in, reformatting it as an array, and
> display a black and white image of any given color using
> ListDensityPlot.
> What I would like to do is to plot it as a false color (or even true
> color) image using something like ListDensityPlot. Ideally I could
> describe the image as an array of vectors {R,G,B} and then plot the
> result as a color image.
> I would be grateful for any suggestions, or even a package, for doing
> this.
> Thanks.

??ListDensityPlot reveals that one of the options is ColorFunction. 
This option allows you to specify the color as a function of x and y

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