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Determine Matplotlib axis size in pixels
To determine the axis size in pixels, we can take the following steps −
Create a figure and a set of subplots, using subplots() method, fig and ax.
To get the DPI, use fig.dpi. Print the details.
Find bounding box in the display box.
Find the width and height, using bbox.width and bbox.height.
Print the width and height.
Example
from matplotlib import pyplot as plt
fig, ax = plt.subplots()
print("Dot per inch(DPI) for the figure is: ", fig.dpi)
bbox = ax.get_window_extent().transformed(fig.dpi_scale_trans.inverted())
width, height = bbox.width, bbox.height
print("Axis sizes are(in pixels):", width, height)Output
Dot per inch(DPI) for the figure is: 100.0 Axis sizes are(in pixels): 4.96 3.696
Updated on: 06-May-2021
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