Answers for "matplotlib plot text size"

3

matplotlib plot title font size

from matplotlib import pyplot as plt    

fig = plt.figure()
plt.plot(data)
fig.suptitle('test title', fontsize=20)
plt.xlabel('xlabel', fontsize=18)
plt.ylabel('ylabel', fontsize=16)
fig.savefig('test.jpg')
Posted by: Guest on March-29-2020
1

matplotlib measure the width of text

import matplotlib.pyplot as plt

# some example plot
plt.plot([1,2,3], [2,3,4])

t = plt.text(1.1, 3.1, "my text", fontsize=18)

# to get the text bounding box 
# we need to draw the plot
plt.gcf().canvas.draw()


# get bounding box of the text 
# in the units of the data
bbox = t.get_window_extent()
    .inverse_transformed(plt.gca().transData)


print(bbox)
# prints: Bbox(x0=1.1, y0=3.0702380952380954, x1=1.5296875, y1=3.2130952380952382)


# plot the bounding box around the text
plt.plot([bbox.x0, bbox.x0, bbox.x1, bbox.x1, bbox.x0],
         [bbox.y0, bbox.y1, bbox.y1, bbox.y0, bbox.y0])

plt.show()
Posted by: Guest on June-05-2020

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