在matplotlib中使用pyplot.plot时如何删除圆形标记的轮廓 [英] How to remove outline of circle marker when using pyplot.plot in matplotlib

问题描述

我正在使用pyplot.plot生成散点图(而不是散点图-我在使用颜色图时遇到困难)

我正在使用o"标记绘制一个圆，但该圆的轮廓始终为黑色.

如何删除轮廓或调整其颜色?

解决方案

要删除标记的轮廓并调整其颜色，请使用 markeredgewidth (又名mew) 和 markeredgecolor(又名 mec).

使用

您注意到，即使设置了标记边缘的颜色，因为它的宽度设置为零，它也不会显示.

I'm producing a scatter plot using pyplot.plot (instead of scatter - I'm having difficulties with the colormap)

I am plotting using the 'o' marker to get a circle, but the circle always has a black outline.

How do I remove the outline, or adjust its colour?

解决方案

To remove the outline of a marker, and adjust its color, use markeredgewidth (aka mew), and markeredgecolor (aka mec) respectively.

Using this as a guide:

import numpy as np
import matplotlib.pyplot as plt

x = np.arange(0, 5, 0.1)
y = np.sin(x)

plt.plot(x,
         y,
         color='blue',
         marker='o',
         fillstyle='full',
         markeredgecolor='red',
         markeredgewidth=0.0)

This produces:

As you notice, even though the marker edge color is set, because the width of it is set to zero it doesn't show up.

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