How to Remove White Space from the X-Axis in Matplotlib?

Barbara Streisand
Release: 2024-11-17 18:55:01
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How to Remove White Space from the X-Axis in Matplotlib?

How to Remove White Space from X-Axis in Matplotlib

When creating plots using Matplotlib, it's common to have some white space between the data and the edges of the axis. This default margin ensures that the data fits nicely within the axis spines. But for certain visualizations, it might be desirable to remove this white space.

Using plt.margins()

One way to adjust the margins is using plt.margins(x=0). This method sets the margin on the x-axis to 0, effectively removing the white space. Similarly, you can use ax.margins(x=0) where ax is the axes object.

Setting Margins Globally

If you want to remove the margin in the entire script, you can use plt.rcParams['axes.xmargin'] = 0 at the beginning of your code. This sets the default margin for all subsequent plots.

Manually Setting X-Axis Limits

Alternatively, you can manually set the limits of the x-axis using plt.xlim(..) or ax.set_xlim(..). For example, if your data covers a specific date range, you can set the limits to start and end at the appropriate dates, thereby eliminating the empty space.

Example

The below Python example demonstrates how to remove the white space from the x-axis using plt.margins():

import matplotlib.pyplot as plt

# Plot some data
plt.plot([1, 2, 3])

# Remove white space on x-axis
plt.margins(x=0)

plt.show()
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This will create a plot with no white space on the x-axis, allowing the data to extend to the edges of the plot.

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