matplotlib:将图例符号放在标签的右侧 [英] matplotlib: put legend symbols on the right of the labels

问题描述

这很简单，但是我已经搜索了很长时间没有成功:我想通过反转符号和标签的水平顺序来自定义图例.

It's a simple thing but I've searched for quite a while without success: I want to customise a figure legend by reversing the horizontal order of the symbols and labels.

在Gnuplot中，只需通过反向设置键即可实现.示例:将x data1更改为data1 x.在matplotlib中，似乎没有用户友好的解决方案.因此，我考虑过更改手柄的锚点或只是移动手柄的位置，但找不到任何起点.

In Gnuplot, this is simply achieved by set key reverse. Example: change x data1 to data1 x. In matplotlib, there seems to be no user-friendly solution. Thus, I thought about changing a kind of handle anchor or just shifting the handle's position, but couldn't find any point to start with.

推荐答案

所请求的功能已经存在，作为legend命令的关键字markerfirst.

The requested feature is already there, as the keyword markerfirst of the legend command.

    plt.plot([1,2],[3,4], label='labeltext')
    plt.legend(markerfirst=False)
    plt.show()

如果要使其成为默认行为，则可以在rcParams中更改legend.markerfirst的值，请参见

If you want to make it your default behaviour, you can change the value of legend.markerfirst in rcParams, see customizing matplotlib.

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