{"id":13264,"date":"2024-03-15T06:43:07","date_gmt":"2024-03-15T06:43:07","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/what-is-the-usage-of-plt-figure-in-python\/"},"modified":"2025-08-05T15:07:52","modified_gmt":"2025-08-05T15:07:52","slug":"what-is-the-usage-of-plt-figure-in-python","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/what-is-the-usage-of-plt-figure-in-python\/","title":{"rendered":"Understanding plt.figure() in Python"},"content":{"rendered":"

In Python, plt.figure() is a function used to create a new figure window and it returns a Figure object.<\/p>\n

The specific usage is as follows:<\/p>\n

import<\/span> matplotlib.pyplot as<\/span> plt\r\n\r\n# \u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u56fe\u5f62\u7a97\u53e3<\/span>\r\nfig = plt.figure()\r\n\r\n# \u5728\u56fe\u5f62\u7a97\u53e3\u4e2d\u7ed8\u5236\u56fe\u5f62<\/span>\r\nplt.plot([1<\/span>, 2<\/span>, 3<\/span>, 4<\/span>])\r\n\r\n# \u663e\u793a\u56fe\u5f62<\/span>\r\nplt.show()\r\n<\/code><\/pre>\n
The plt.figure() function can take several parameters to set the properties of the figure window, such as window size and background color. Some common parameters include:<\/p>\n
    \n
  1. Number: The identifier for the graphic window, used to distinguish between different graphic windows. By default, it is set to None, indicating that a number will be assigned automatically.<\/li>\n
  2. Figure size: the dimensions of the graph window, measured in inches, with a default setting of (6.4, 4.8).<\/li>\n
  3. DPI: The resolution of a graphic window, measured in dots per inch, defaulting to 100.<\/li>\n<\/ol>\n
    For example, the size of the figure window can be set by using the figsize parameter.<\/p>\n
    import<\/span> matplotlib.pyplot as<\/span> plt\r\n\r\n# \u521b\u5efa\u4e00\u4e2a\u5927\u5c0f\u4e3a(10, 8)\u7684\u56fe\u5f62\u7a97\u53e3<\/span>\r\nfig = plt.figure(figsize=(10<\/span>, 8<\/span>))\r\n\r\n# \u5728\u56fe\u5f62\u7a97\u53e3\u4e2d\u7ed8\u5236\u56fe\u5f62<\/span>\r\nplt.plot([1<\/span>, 2<\/span>, 3<\/span>, 4<\/span>])\r\n\r\n# \u663e\u793a\u56fe\u5f62<\/span>\r\nplt.show()\r\n<\/code><\/pre>\n
    In addition to creating a new figure window, the plt.figure() function can also be used to retrieve the current figure window for further operations. For example, you can use the fig.add_subplot() method to add a subplot to the current figure window.<\/p>\n
    In summary, the function plt.figure() is used to create a new figure window and returns a Figure object that can be used to customize and manipulate the window.<\/p>\n","protected":false},"excerpt":{"rendered":"
    In Python, plt.figure() is a function used to create a new figure window and it returns a Figure object. The specific usage is as follows: import matplotlib.pyplot as plt # \u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u56fe\u5f62\u7a97\u53e3 fig = plt.figure() # \u5728\u56fe\u5f62\u7a97\u53e3\u4e2d\u7ed8\u5236\u56fe\u5f62 plt.plot([1, 2, 3, 4]) # \u663e\u793a\u56fe\u5f62 plt.show() The plt.figure() function can take several parameters to set the properties of […]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[66,902,17635,72,212],"class_list":["post-13264","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-data-visualization","tag-matplotlib","tag-plt-figure","tag-python","tag-python-programming"],"yoast_head":"\nUnderstanding plt.figure() in Python - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"Learn how to use plt.figure() in Python's matplotlib library to create and customize figure windows with this practical guide.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/blog\/what-is-the-usage-of-plt-figure-in-python\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Understanding plt.figure() in Python\" \/>\n<meta property=\"og:description\" content=\"Learn how to use plt.figure() in Python's matplotlib library to create and customize figure windows with this practical guide.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/blog\/what-is-the-usage-of-plt-figure-in-python\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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