On Mon, Sep 26, 2011 at 12:05 PM, Katie Boyle <katielbo...@gmail.com> wrote:
> Hi All,
>
> I was wondering how I take a list of 250 discrete values and match up each
> value in the list to a color in the gist_rainbow colormap. I want the
> highest value to be red, and the lowest value to be blue. I then want to
> plot a point for each value in the list, and the point's color should
> represent its value. I cannot use contourf or any other function that does
> this automatically on a continuous grid--I need to plot individual points.

I think you are looking for "scatter", with the "c" argument being
your intensity value.  You can pass the gist_rainbow colormap to the
scatter function via the cmap argument.  See these examples

http://matplotlib.sourceforge.net/examples/pylab_examples/scatter_demo.html
http://matplotlib.sourceforge.net/examples/pylab_examples/scatter_demo2.html

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