【Spinning up】2.1、将Matplotlib自动全屏显示和保存图像(Saving Matplotlib graphs to image as full screen)

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【Spinning up】2.1、将Matplotlib自动全屏显示和保存图像(Saving Matplotlib graphs to image as full screen)

2024-07-09 23:48| 来源: 网络整理| 查看: 265

2.1、将Matplotlib自动全屏显示和保存图像(Saving Matplotlib graphs to image as full screen) 前言：

每次matplotlib画图都是一个小图，然后手动调整为全屏，再手动调整图片的位置，简直恶心透了。今天趁机将自动全屏的问题解决了。在这里插入图片描述

参考链接：

将Matplotlib图形保存为全屏图像(Saving Matplotlib graphs to image as full screen)

解决方案

The method you use to maximise the window size depends on which matplotlib backend you are using. Please see the following example for the 3 most common backends:

import matplotlib.pyplot as plt plt.figure() plt.plot([1,2], [1,2]) Option 1

QT backend

manager = plt.get_current_fig_manager() # matplotlib3.3.4 work manager.window.showMaximized() Option 2

TkAgg backend

manager = plt.get_current_fig_manager() # matplotlib3.2.1//2.2.3 work manager.resize(*manager.window.maxsize())

报错：

AttributeError: 'MainWindow' object has no attribute 'maxsize' Option 3–Ubuntu16.04不好使

WX backend

manager = plt.get_current_fig_manager() manager.frame.Maximize(True)

报错：

AttributeError: 'FigureManagerQT' object has no attribute 'frame'

再加上下面显示图片和保存的；

plt.show() plt.savefig('sampleFileName.png')

You can determine which backend you are using with the command matplotlib.get_backend(). When you save the maximized version of the figure it will save a larger image as desired.

自动显示和保存全屏-完整例程代码： import matplotlib.pyplot as plt plt.figure() plt.plot([1,2], [1,2]) manager = plt.get_current_fig_manager() manager.window.showMaximized() plt.savefig('ep_reward.png', bbox_inches='tight', dpi=300, ) plt.show()

在这里插入图片描述

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