removing outline color of scatter plot in matplotlib python

Question

Suppose I have gridded data with dimensions (x,y) and values are in z. so simply we can make scatter plot for third dimension by:

import numpy as np
import matplotlib.pyplot as plt

x = np.random.random(10)
y = np.random.random(10)
z = np.random.random(10)
plt.scatter(x, y, c = z, s=150, cmap = 'jet')
plt.show()

what i am thinking now is to remove the line color of each circular scatter plot. And also instead of circle can we make it square??

I did not find any way to do that. your help will be highly appreciated.

SparkAndShine · Accepted Answer · 2017-02-01 11:40:53Z

9

Pass the argument edgecolors='none' to plt.scatter. The patch boundary will not be drawn.
Pass the argument marker='s' to plt.scatter. The marker style will be square.

Then, we have,

The source code,

import numpy as np
import matplotlib.pyplot as plt

x = np.random.random(10)
y = np.random.random(10)
z = np.random.random(10)
plt.scatter(x, y, c = z, s=150, cmap = 'jet', edgecolors='none', marker='s')
plt.show()

Refer to matplotlib.pyplot.scatter for more information.

answered Feb 1, 2017 at 11:40

SparkAndShine

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1 Comment

tmdavison Over a year ago

Also note that in matplotlib 2.0.x, the default behaviour is to not plot the edges in scatter plots (and other objects)

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