October 2018
Beginner to intermediate
676 pages
18h 30m
English
Content preview from Matplotlib 3.0 Cookbook
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How to do it...
The following code block displays three plots; the first one uses the standard colormap, coolwarm, and the other two use user-defined discrete colormaps. Of the two user-defined ones, the first one uses pure RED (1, 0, 0), GREEN (0, 1, 0), and BLUE (0, 0, 1) colors, and the other uses a mix of RGB colors [(1, 0.5, 0), (0.25, 1, 0), (0, 0.5, 1)] to generate three discrete colors. Please note in the first colormap tuple (1, 0, 0), only red is 1; green and blue are zeros. In the second one, the first and second colors are (1, 0.5, 0), and (0.25, 1, 0) means they are a combination of red and green, and the third color is a combination of green and blue.
We are using three discrete colors here, since we have three clusters in the ...
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