Not too long ago, I posted an example of this to the list. The code near the bottom of that thread is a little more general than the one at the top and shows, three different ways to cycle through the colors of a colormap.

Hope that helps,

On Jul 14, 2009, at 9:51 AM, per freem wrote:

Hi all,

i would like to set the colors of the lines i plot (using the plot function) to go from red to blue, in evenly spaced interval. that is, imagine a color map from red to green, where i plot n-many lines, each receiving a color from this color map, starting at the red end and going to green.

the docs say how to set the color cycle of lines set by plot, using:

matplotlib.axes.set_default_color_cycle(['r', 'y', 'g', 'b'])

but this only allows me to use named colors, and here i am looking to use shades from red to green.
my question is: first, how can i generate N evenly spaced colors from the red spectrum to the green spectrum? and two, how can i make it so plot uses these colors for its line plots?

thanks very much.
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