{"id":3569,"date":"2023-07-16T19:12:36","date_gmt":"2023-07-16T19:12:36","guid":{"rendered":"https:\/\/statorials.org\/nl\/matplotlib-handmatige-legenda\/"},"modified":"2023-07-16T19:12:36","modified_gmt":"2023-07-16T19:12:36","slug":"matplotlib-handmatige-legenda","status":"publish","type":"post","link":"https:\/\/statorials.org\/nl\/matplotlib-handmatige-legenda\/","title":{"rendered":"Een handmatige legenda maken in matplotlib (met voorbeeld)"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">U kunt de functies van de submodules <strong>matplotlib.lines<\/strong> en <strong>matplotlib.patches<\/strong> gebruiken om een handmatige legenda in een matplotlib-plot te maken.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Het volgende voorbeeld laat zien hoe u dit doet.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Voorbeeld: maak een handmatige legenda in Matplotlib<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">De volgende code laat zien hoe u een spreidingsdiagram maakt in matplotlib met een standaardlegenda:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #000000;\"><span style=\"color: #008000;\">import<\/span> matplotlib. <span style=\"color: #3366ff;\">pyplot<\/span> <span style=\"color: #008000;\">as<\/span> plt\n\n<span style=\"color: #008080;\">#define data to plot\n<\/span>x = [1, 2, 3, 4, 5, 6, 7]\ny = [2, 3, 5, 8, 12, 18, 27]\n\n<span style=\"color: #008080;\">#create scatter plot of x vs. y\n<\/span>plt. <span style=\"color: #3366ff;\">scatter<\/span> (x, y, label=' <span style=\"color: #ff0000;\">Original Data<\/span> ', color=' <span style=\"color: #ff0000;\">steelblue<\/span> ')\n\n<span style=\"color: #008080;\">#add legend\n<\/span>plt. <span style=\"color: #3366ff;\">legend<\/span> ()\n\n<span style=\"color: #008080;\">#displayplot\n<\/span>plt. <span style=\"color: #3366ff;\">show<\/span> ()<\/span><\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-29488 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/manuel1.jpg\" alt=\"\" width=\"482\" height=\"367\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Om een handmatige legenda met aangepaste lijnen en vierkanten te maken, moeten we de submodules <strong>matplotlib.lines<\/strong> en <strong>matplotlib.patches<\/strong> importeren.<\/span><\/p>\n<p> <span style=\"color: #000000;\">De volgende code laat zien hoe u deze submodules kunt gebruiken om een handmatige legenda te maken:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #000000;\"><span style=\"color: #008000;\">import<\/span> matplotlib. <span style=\"color: #3366ff;\">pyplot<\/span> <span style=\"color: #008000;\">as<\/span> plt\n<span style=\"color: #008000;\">from<\/span> matplotlib. <span style=\"color: #3366ff;\">lines<\/span> <span style=\"color: #008000;\">import<\/span> Line2D\n<span style=\"color: #008000;\">import<\/span> matplotlib. <span style=\"color: #3366ff;\">patches<\/span> <span style=\"color: #008000;\">as<\/span> mpatches\n\n<span style=\"color: #008080;\">#define data to plot\n<\/span>x = [1, 2, 3, 4, 5, 6, 7]\ny = [2, 3, 5, 8, 12, 18, 27]\n\n<span style=\"color: #008080;\">#create scatter plot of x vs. y\n<\/span>plt. <span style=\"color: #3366ff;\">scatter<\/span> (x, y, label=' <span style=\"color: #ff0000;\">Original Data<\/span> ', color=' <span style=\"color: #ff0000;\">steelblue<\/span> ')\n\n<span style=\"color: #008080;\">#define handles and labels that will get added to legend\n<\/span>handles, labels = plt. <span style=\"color: #3366ff;\">gca<\/span> (). <span style=\"color: #3366ff;\">get_legend_handles_labels<\/span> ()\n\n<span style=\"color: #008080;\">#define patches and lines to add to legend\n<\/span>patch1 = mpatches. <span style=\"color: #3366ff;\">Patch<\/span> (color=' <span style=\"color: #ff0000;\">orange<\/span> ', label=' <span style=\"color: #ff0000;\">First Manual Patch<\/span> ')\npatch2 = mpatches. <span style=\"color: #3366ff;\">Patch<\/span> (color=' <span style=\"color: #ff0000;\">orange<\/span> ', label=' <span style=\"color: #ff0000;\">First Manual Patch<\/span> ')   \nline1 = Line2D([0], [0], label=' <span style=\"color: #ff0000;\">First Manual Line<\/span> ', color=' <span style=\"color: #ff0000;\">purple<\/span> ')\nline2 = Line2D([0], [0], label=' <span style=\"color: #ff0000;\">Second Manual Line<\/span> ', color=' <span style=\"color: #ff0000;\">red<\/span> ')\n\n<span style=\"color: #008080;\">#add handles\n<\/span>handles. <span style=\"color: #3366ff;\">extend<\/span> ([patch1, line1, line2])\n\n<span style=\"color: #008080;\">#add legend\n<\/span>plt. <span style=\"color: #3366ff;\">legend<\/span> (handles=handles)\n\n<span style=\"color: #008080;\">#displayplot\n<\/span>plt. <span style=\"color: #3366ff;\">show<\/span> ()<\/span><\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-29490\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/manuel2.jpg\" alt=\"Matplotlib handmatige legenda\" width=\"530\" height=\"400\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Merk op dat deze legenda het label van de originele gegevens bevat, maar ook de labels en vormen van de elementen die we handmatig hebben toegevoegd.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Om de labels of kleuren van een van de elementen te wijzigen, wijzigt u eenvoudig de waarden van de <strong>label-<\/strong> en <strong>kleurargumenten<\/strong> in het vorige stuk code.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Opmerking<\/strong> : raadpleeg <a href=\"https:\/\/statorials.org\/nl\/matplotlib-legendapositie\/\" target=\"_blank\" rel=\"noopener\">deze tutorial<\/a> om te leren hoe u de positie van de legenda in de plot kunt wijzigen.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Aanvullende bronnen<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">In de volgende tutorials wordt uitgelegd hoe u andere veelvoorkomende taken in Matplotlib kunt uitvoeren:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/nl\/matplotlib-vergroot-de-tracegrootte\/\" target=\"_blank\" rel=\"noopener\">Hoe de plotgrootte in Matplotlib te vergroten<\/a><br \/> <a href=\"https:\/\/statorials.org\/nl\/matplotlib-titelpositie\/\" target=\"_blank\" rel=\"noopener\">Hoe de titelpositie in Matplotlib aan te passen<\/a><br \/> <a href=\"https:\/\/statorials.org\/nl\/matplotlib-stelt-het-asbereik-in\/\" target=\"_blank\" rel=\"noopener\">Hoe asbereiken in Matplotlib in te stellen<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>U kunt de functies van de submodules matplotlib.lines en matplotlib.patches gebruiken om een handmatige legenda in een matplotlib-plot te maken. Het volgende voorbeeld laat zien hoe u dit doet. Voorbeeld: maak een handmatige legenda in Matplotlib De volgende code laat zien hoe u een spreidingsdiagram maakt in matplotlib met een standaardlegenda: import matplotlib. pyplot as [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"class_list":["post-3569","post","type-post","status-publish","format-standard","hentry","category-gids"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Een handmatige legenda maken in Matplotlib (met voorbeeld) - Statorials<\/title>\n<meta name=\"description\" content=\"In deze tutorial wordt met een voorbeeld uitgelegd hoe u een handmatige legenda in matplotlib maakt.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/statorials.org\/nl\/matplotlib-handmatige-legenda\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Een handmatige legenda maken in Matplotlib (met voorbeeld) - Statorials\" \/>\n<meta property=\"og:description\" content=\"In deze tutorial wordt met een voorbeeld uitgelegd hoe u een handmatige legenda in matplotlib maakt.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/nl\/matplotlib-handmatige-legenda\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-16T19:12:36+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/manuel1.jpg\" \/>\n<meta name=\"author\" content=\"Dr.benjamin anderson\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Verfasst von\" \/>\n\t<meta name=\"twitter:data1\" content=\"Dr.benjamin anderson\" \/>\n\t<meta name=\"twitter:label2\" content=\"Gesch\u00e4tzte Lesezeit\" \/>\n\t<meta name=\"twitter:data2\" content=\"2\u00a0Minuten\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/nl\/matplotlib-handmatige-legenda\/\",\"url\":\"https:\/\/statorials.org\/nl\/matplotlib-handmatige-legenda\/\",\"name\":\"Een handmatige legenda maken in Matplotlib (met voorbeeld) - Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/nl\/#website\"},\"datePublished\":\"2023-07-16T19:12:36+00:00\",\"dateModified\":\"2023-07-16T19:12:36+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/nl\/#\/schema\/person\/d4b8842173cca1bb62cdec41860e4219\"},\"description\":\"In deze tutorial wordt met een voorbeeld uitgelegd hoe u een handmatige legenda in matplotlib maakt.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/nl\/matplotlib-handmatige-legenda\/#breadcrumb\"},\"inLanguage\":\"de\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/nl\/matplotlib-handmatige-legenda\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/nl\/matplotlib-handmatige-legenda\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Thuis\",\"item\":\"https:\/\/statorials.org\/nl\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Een handmatige legenda maken in matplotlib (met voorbeeld)\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/statorials.org\/nl\/#website\",\"url\":\"https:\/\/statorials.org\/nl\/\",\"name\":\"Statorials\",\"description\":\"Uw gids voor statistische competentie\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/statorials.org\/nl\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"de\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/statorials.org\/nl\/#\/schema\/person\/d4b8842173cca1bb62cdec41860e4219\",\"name\":\"Dr.benjamin anderson\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"de\",\"@id\":\"https:\/\/statorials.org\/nl\/#\/schema\/person\/image\/\",\"url\":\"http:\/\/statorials.org\/nl\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"contentUrl\":\"http:\/\/statorials.org\/nl\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"caption\":\"Dr.benjamin anderson\"},\"description\":\"Ik ben Benjamin, een gepensioneerde hoogleraar statistiek die nu een toegewijde Statorials-lesgever is. 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