{"id":2109,"date":"2023-07-23T15:56:13","date_gmt":"2023-07-23T15:56:13","guid":{"rendered":"https:\/\/statorials.org\/nl\/matplotlib-willekeurige-kleur\/"},"modified":"2023-07-23T15:56:13","modified_gmt":"2023-07-23T15:56:13","slug":"matplotlib-willekeurige-kleur","status":"publish","type":"post","link":"https:\/\/statorials.org\/nl\/matplotlib-willekeurige-kleur\/","title":{"rendered":"Hoe willekeurige kleuren te genereren in matplotlib-plots"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">U kunt de volgende basissyntaxis gebruiken om willekeurige kleuren in Matplotlib-plots te genereren:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>1. Genereer willekeurige kleuren voor lijnplot<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>col = <span style=\"color: #3366ff;\">(<\/span> <span style=\"color: #3366ff;\">np.random.random<\/span> (), <span style=\"color: #3366ff;\">np.random.random<\/span> (), <span style=\"color: #3366ff;\">np.random.random<\/span> <span style=\"color: #3366ff;\">(<\/span> <span style=\"color: #3366ff;\">)<\/span> )\n\nplt. <span style=\"color: #3366ff;\">plot<\/span> (x, y, c=col)\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><strong>2. Genereer willekeurige kleuren voor de puntenwolk<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>plt. <span style=\"color: #3366ff;\">scatter<\/span> (x, y, c=np. <span style=\"color: #3366ff;\">random<\/span> . <span style=\"color: #3366ff;\">rand<\/span> (len(x), <span style=\"color: #008000;\">3<\/span> ))\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">De volgende voorbeelden laten zien hoe u deze syntaxis in de praktijk kunt gebruiken.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Voorbeeld 1: Genereer een willekeurige kleur voor het lijndiagram<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">De volgende code laat zien hoe u een willekeurige kleur genereert voor een enkele lijn in een lineaire plot:<\/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;\">import<\/span> numpy <span style=\"color: #008000;\">as<\/span> np\n\n<span style=\"color: #008080;\">#define data\n<\/span>x = [1, 2, 3, 4, 5]\ny = [7, 12, 15, 19, 25]\n\n<span style=\"color: #008080;\">#define random color\n<\/span>col = <span style=\"color: #3366ff;\">(<\/span> <span style=\"color: #3366ff;\">np.random.random<\/span> (), <span style=\"color: #3366ff;\">np.random.random<\/span> (), <span style=\"color: #3366ff;\">np.random.random<\/span> <span style=\"color: #3366ff;\">(<\/span> <span style=\"color: #3366ff;\">)<\/span> )\n\n<span style=\"color: #008080;\">#create line plot with random color\n<\/span>plt. <span style=\"color: #3366ff;\">plot<\/span> (x, y, c=col) \n<\/span><\/strong><\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-19606 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/aleatoire1.png\" alt=\"\" width=\"546\" height=\"357\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Als we exact hetzelfde stukje code opnieuw uitvoeren, wordt er een lijnpad met een andere willekeurige kleur gemaakt:<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-19607 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/aleatoire2-1.png\" alt=\"\" width=\"544\" height=\"359\" srcset=\"\" sizes=\"auto, \"><\/p>\n<h3> <strong>Voorbeeld 2: Genereer willekeurige kleuren voor een puntenwolk<\/strong><\/h3>\n<p> <span style=\"color: #000000;\">De volgende code laat zien hoe u een spreidingsdiagram maakt met willekeurige kleuren voor elk punt op de grafiek:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><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;\">import<\/span> numpy <span style=\"color: #008000;\">as<\/span> np\n\n<span style=\"color: #008080;\">#define data<\/span>\nx = [1, 2, 3, 4, 5]\ny = [7, 12, 15, 19, 25]\n\n<span style=\"color: #008080;\">#create scatterplot with random colors for each point\n<\/span>plt. <span style=\"color: #3366ff;\">scatter<\/span> (x, y, c=np. <span style=\"color: #3366ff;\">random<\/span> . <span style=\"color: #3366ff;\">rand<\/span> (len(x),3))\n<\/span><\/span><\/strong><\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-19608 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/aleatoire3.png\" alt=\"\" width=\"532\" height=\"352\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Als we exact hetzelfde stukje code opnieuw uitvoeren, wordt er een spreidingsdiagram met nieuwe willekeurige kleuren voor elk punt gemaakt:<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-19609 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/aleatoire4.png\" alt=\"\" width=\"537\" height=\"359\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\"><strong>Opmerking:<\/strong> onder de motorkap gebruikt deze code eenvoudigweg NumPy om willekeurige kleuren (R, G, B) te genereren.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Raadpleeg de <a href=\"https:\/\/numpy.org\/doc\/stable\/reference\/random\/generated\/numpy.random.random.html\" target=\"_blank\" rel=\"noopener\">online documentatie<\/a> voor een volledige uitleg van de functie NumPy <strong>random()<\/strong> .<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Aanvullende bronnen<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">In de volgende tutorials wordt uitgelegd hoe u andere algemene plotfuncties in Matplotlib kunt uitvoeren:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/nl\/matplotlib-achtergrondkleur\/\" target=\"_blank\" rel=\"noopener\">Hoe de achtergrondkleur in Matplotlib te veranderen<\/a><br \/> <a href=\"https:\/\/statorials.org\/nl\/matplotlib-kleur-op-waarde-spreidingsdiagram\/\" target=\"_blank\" rel=\"noopener\">Hoe u een spreidingsdiagram op waarde kunt kleuren in Matplotlib<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>U kunt de volgende basissyntaxis gebruiken om willekeurige kleuren in Matplotlib-plots te genereren: 1. Genereer willekeurige kleuren voor lijnplot col = ( np.random.random (), np.random.random (), np.random.random ( ) ) plt. plot (x, y, c=col) 2. Genereer willekeurige kleuren voor de puntenwolk plt. scatter (x, y, c=np. random . rand (len(x), 3 )) De volgende [&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-2109","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>Hoe willekeurige kleuren te genereren in Matplotlib-plots - Statorials<\/title>\n<meta name=\"description\" content=\"In deze tutorial wordt uitgelegd hoe u willekeurige kleuren kunt genereren in Matplotlib-plots, met verschillende voorbeelden.\" \/>\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-willekeurige-kleur\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Hoe willekeurige kleuren te genereren in Matplotlib-plots - Statorials\" \/>\n<meta property=\"og:description\" content=\"In deze tutorial wordt uitgelegd hoe u willekeurige kleuren kunt genereren in Matplotlib-plots, met verschillende voorbeelden.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/nl\/matplotlib-willekeurige-kleur\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-23T15:56:13+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/aleatoire1.png\" \/>\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=\"1\u00a0Minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/nl\/matplotlib-willekeurige-kleur\/\",\"url\":\"https:\/\/statorials.org\/nl\/matplotlib-willekeurige-kleur\/\",\"name\":\"Hoe willekeurige kleuren te genereren in Matplotlib-plots - Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/nl\/#website\"},\"datePublished\":\"2023-07-23T15:56:13+00:00\",\"dateModified\":\"2023-07-23T15:56:13+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/nl\/#\/schema\/person\/d4b8842173cca1bb62cdec41860e4219\"},\"description\":\"In deze tutorial wordt uitgelegd hoe u willekeurige kleuren kunt genereren in Matplotlib-plots, met verschillende voorbeelden.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/nl\/matplotlib-willekeurige-kleur\/#breadcrumb\"},\"inLanguage\":\"de\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/nl\/matplotlib-willekeurige-kleur\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/nl\/matplotlib-willekeurige-kleur\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Thuis\",\"item\":\"https:\/\/statorials.org\/nl\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Hoe willekeurige kleuren te genereren in matplotlib-plots\"}]},{\"@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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