How to Match Colorbar Height to Graph in Matplotlib?

Match Colorbar Height to Graph

In Matplotlib, coordinating the colorbar's size with the graph can be challenging. This issue often results in a colorbar that is significantly taller than the graph.

To address this mismatch, the following code snippet has been proven effective:

plt.colorbar(im, fraction=0.046, pad=0.04)

Explanation:

• fraction: This parameter specifies the fraction of horizontal space allocated to the colorbar. A value of 0.046 designates the colorbar to occupy approximately 4.6% of the width.
• pad: Controls the spacing between the colorbar and the graph. Setting it to 0.04 adds a small margin around the colorbar.

This combination of values scaled the colorbar to match the height of the plot, regardless of the display size. It avoids sharing the axis, which can compromise the shape of the graph.

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