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To make a legend for all artists on an Axes, call this function with an iterable of strings, one for each legend item. For example: ax.plot( [1,2,3])ax.plot( [5,6,7])ax.legend( ['First line','Second line']) Parameters: handleslist of (Artist or tuple of Artist), optional. A list of Artists (lines, patches) to be added to the legend.
- Legend guide — Matplotlib 3.9.2 documentation
ucl = ['upper', 'center', 'lower'] lcr = ['left', 'center',...
- Legend guide — Matplotlib 3.9.2 documentation
If you want to specify the legend position in other coordinates than axes coordinates, you can do so by using the bbox_transform argument. If may make sense to use figure coordinates . ax.legend(bbox_to_anchor=(1,0), loc="lower right", bbox_transform=fig.transFigure)
Setting the legend position in Matplotlib plots is an important aspect of creating informative and visually appealing visualizations. By using the loc parameter and the bbox_to_anchor parameter, you can customize the position of the legend to suit your specific requirements.
The simplest way to control matplotlib legend position is by using the loc parameter in the legend() function. This parameter accepts various string values or numerical codes to specify the legend’s location. Here’s a basic example:
ucl = ['upper', 'center', 'lower'] lcr = ['left', 'center', 'right'] fig, ax = plt. subplots (figsize = (6, 4), layout = 'constrained', facecolor = '0.7') ax. plot ([1, 2], [1, 2], label = 'TEST') # Place a legend to the right of this smaller subplot. for loc in ['outside upper left', 'outside upper center', 'outside upper right', 'outside ...
The loc parameter in axes [i].legend (loc=loc) is used to specify the position of the legend. Customizing Legend Appearance. Matplotlib legend offers various options to customize its appearance, including changing the number of columns, adjusting the font size, and modifying the background color. Let’s explore these customization options:
This post explains how to customize the legend on a chart with matplotlib. It provides many examples covering the most common use cases like controling the legend location, adding a legend title or customizing the legend markers and labels.
