{"id":998,"date":"2023-07-28T01:19:21","date_gmt":"2023-07-28T01:19:21","guid":{"rendered":"https:\/\/statorials.org\/pt\/posicao-da-barra-de-cores-matplotlib\/"},"modified":"2023-07-28T01:19:21","modified_gmt":"2023-07-28T01:19:21","slug":"posicao-da-barra-de-cores-matplotlib","status":"publish","type":"post","link":"https:\/\/statorials.org\/pt\/posicao-da-barra-de-cores-matplotlib\/","title":{"rendered":"Como ajustar a posi\u00e7\u00e3o de uma barra de cores matplotlib"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Uma <strong>barra de cores<\/strong> \u00e9 uma barra que percorre a lateral de um gr\u00e1fico Matplotlib e serve como uma legenda para as cores exibidas no gr\u00e1fico.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Matplotlib exibe barras coloridas no lado direito de um gr\u00e1fico por padr\u00e3o, mas voc\u00ea pode alterar isso facilmente usando fun\u00e7\u00f5es no <a href=\"https:\/\/matplotlib.org\/mpl_toolkits\/axes_grid\/users\/overview.html\" target=\"_blank\" rel=\"noopener noreferrer\">kit de ferramentas Matplotlib AxesGrid<\/a> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Este tutorial mostra v\u00e1rios exemplos de como usar essas fun\u00e7\u00f5es na pr\u00e1tica.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Exemplo 1: Posicione a barra de cores no lado direito do gr\u00e1fico<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">O c\u00f3digo a seguir mostra como gerar um gr\u00e1fico Matplotlib e como colocar uma barra colorida no lado direito do gr\u00e1fico:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #107d3f;\">import<\/span> numpy <span style=\"color: #107d3f;\">as<\/span> np\n<span style=\"color: #107d3f;\">import<\/span> matplotlib.pyplot <span style=\"color: #107d3f;\">as<\/span> plt\n<span style=\"color: #107d3f;\">from <span style=\"color: #000000;\">mpl_toolkits.axes_grid1<\/span><\/span> <span style=\"color: #107d3f;\">import<\/span> make_axes_locatable\n\n<span style=\"color: #008080;\">#make this example reproducible<\/span>\nnp.random.seed(1)\n\n<span style=\"color: #008080;\">#create chart<\/span>\nfig, ax = plt. <span style=\"color: #3366ff;\">subplots<\/span> ()\nim = ax. <span style=\"color: #3366ff;\">imshow<\/span> (np.random.rand(15,15))\nax. <span style=\"color: #3366ff;\">set_xlabel<\/span> (' <span style=\"color: #008000;\">x-axis label<\/span> ')\n\n<span style=\"color: #008080;\">#add color bar<\/span>\nfig. <span style=\"color: #3366ff;\">colorbar<\/span> (im)\n\nplt. <span style=\"color: #3366ff;\">show<\/span> ()\n<\/strong><\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-10360 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/barre-de-couleur1.png\" alt=\"\" width=\"326\" height=\"288\" srcset=\"\" sizes=\"auto, \"><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Exemplo 2: Posicione a barra de cores abaixo do gr\u00e1fico<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">O c\u00f3digo a seguir mostra como colocar uma barra de cores em um gr\u00e1fico Matplotlib:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #107d3f;\">import<\/span> numpy <span style=\"color: #107d3f;\">as<\/span> np\n<span style=\"color: #107d3f;\">import<\/span> matplotlib.pyplot <span style=\"color: #107d3f;\">as<\/span> plt\n<span style=\"color: #107d3f;\">from <span style=\"color: #000000;\">mpl_toolkits.axes_grid1<\/span><\/span> <span style=\"color: #107d3f;\">import<\/span> make_axes_locatable\n\n<span style=\"color: #008080;\">#make this example reproducible<\/span>\nnp.random.seed(1)\n\n<span style=\"color: #008080;\">#create chart<\/span>\nfig, ax = plt. <span style=\"color: #3366ff;\">subplots<\/span> ()\nim = ax. <span style=\"color: #3366ff;\">imshow<\/span> (np.random.rand(15,15))\nax. <span style=\"color: #3366ff;\">set_xlabel<\/span> (' <span style=\"color: #008000;\">x-axis label<\/span> ')\n\n<span style=\"color: #008080;\">#add color bar below chart<\/span>\ndivider = <span style=\"color: #3366ff;\">make_axes_locatable<\/span> (ax)\ncax = divider. <span style=\"color: #3366ff;\">new_vertical<\/span> (size=' <span style=\"color: #008000;\">5%<\/span> ', pad=0.6, pack_start= <span style=\"color: #008000;\">True<\/span> )\nfig. <span style=\"color: #3366ff;\">add_axes<\/span> (cax)\nfig. <span style=\"color: #3366ff;\">colorbar<\/span> (im, cax=cax, orientation=' <span style=\"color: #008000;\">horizontal<\/span> ')\n\nplt. <span style=\"color: #3366ff;\">show<\/span> ()<\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-10361 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/barre-de-couleurs2.png\" alt=\"Posicione a barra de cores abaixo do gr\u00e1fico Matplotlib\" width=\"249\" height=\"296\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Observe que o argumento <strong>pad<\/strong> cria um preenchimento entre o eixo x do gr\u00e1fico e a barra de cores. Quanto maior o valor do bloco, mais distante a barra de cores estar\u00e1 do eixo x.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Exemplo 3: Posicione a barra de cores acima do gr\u00e1fico<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">O c\u00f3digo a seguir mostra como colocar uma barra de cores acima de um gr\u00e1fico Matplotlib:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #107d3f;\">import<\/span> numpy <span style=\"color: #107d3f;\">as<\/span> np\n<span style=\"color: #107d3f;\">import<\/span> matplotlib.pyplot <span style=\"color: #107d3f;\">as<\/span> plt\n<span style=\"color: #107d3f;\">from <span style=\"color: #000000;\">mpl_toolkits.axes_grid1<\/span><\/span> <span style=\"color: #107d3f;\">import<\/span> make_axes_locatable\n\n<span style=\"color: #008080;\">#make this example reproducible<\/span>\nnp.random.seed(1)\n\n<span style=\"color: #008080;\">#create chart<\/span>\nfig, ax = plt. <span style=\"color: #3366ff;\">subplots<\/span> ()\nim = ax. <span style=\"color: #3366ff;\">imshow<\/span> (np.random.rand(15,15))\nax. <span style=\"color: #3366ff;\">set_xlabel<\/span> (' <span style=\"color: #008000;\">x-axis label<\/span> ')\n\n<span style=\"color: #008080;\">#add color bar below chart<\/span>\ndivider = <span style=\"color: #3366ff;\">make_axes_locatable<\/span> (ax)\ncax = divider. <span style=\"color: #3366ff;\">new_vertical<\/span> (size=' <span style=\"color: #008000;\">5%<\/span> ', pad=0.4)\nfig. <span style=\"color: #3366ff;\">add_axes<\/span> (cax)\nfig. <span style=\"color: #3366ff;\">colorbar<\/span> (im, cax=cax, orientation=' <span style=\"color: #008000;\">horizontal<\/span> ')\n\nplt. <span style=\"color: #3366ff;\">show<\/span> ()<\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-10362 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/barre-de-couleurs3.png\" alt=\"Posi\u00e7\u00e3o do Matplotlib colobar acima do gr\u00e1fico\" width=\"236\" height=\"282\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\"><em>Voc\u00ea pode encontrar mais tutoriais do Matplotlib <a href=\"https:\/\/statorials.org\/pt\/estatologia-explica-conceitos-de-forma-simples-e-direta-facilitamos-o-aprendizado-de-estatistica\/\" target=\"_blank\" rel=\"noopener noreferrer\">aqui<\/a> .<\/em><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Uma barra de cores \u00e9 uma barra que percorre a lateral de um gr\u00e1fico Matplotlib e serve como uma legenda para as cores exibidas no gr\u00e1fico. Matplotlib exibe barras coloridas no lado direito de um gr\u00e1fico por padr\u00e3o, mas voc\u00ea pode alterar isso facilmente usando fun\u00e7\u00f5es no kit de ferramentas Matplotlib AxesGrid . Este tutorial [&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-998","post","type-post","status-publish","format-standard","hentry","category-guia"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Como ajustar a posi\u00e7\u00e3o de uma barra de cores Matplotlib - Statorials<\/title>\n<meta name=\"description\" content=\"Uma explica\u00e7\u00e3o simples de como ajustar a posi\u00e7\u00e3o de uma barra de cores Matplotlib, incluindo v\u00e1rios exemplos.\" \/>\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\/pt\/posicao-da-barra-de-cores-matplotlib\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Como ajustar a posi\u00e7\u00e3o de uma barra de cores Matplotlib - Statorials\" \/>\n<meta property=\"og:description\" content=\"Uma explica\u00e7\u00e3o simples de como ajustar a posi\u00e7\u00e3o de uma barra de cores Matplotlib, incluindo v\u00e1rios exemplos.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pt\/posicao-da-barra-de-cores-matplotlib\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-28T01:19:21+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/barre-de-couleur1.png\" \/>\n<meta name=\"author\" content=\"Dr. benjamim anderson\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"Dr. benjamim anderson\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tempo estimado de leitura\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/pt\/posicao-da-barra-de-cores-matplotlib\/\",\"url\":\"https:\/\/statorials.org\/pt\/posicao-da-barra-de-cores-matplotlib\/\",\"name\":\"Como ajustar a posi\u00e7\u00e3o de uma barra de cores Matplotlib - Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pt\/#website\"},\"datePublished\":\"2023-07-28T01:19:21+00:00\",\"dateModified\":\"2023-07-28T01:19:21+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666\"},\"description\":\"Uma explica\u00e7\u00e3o simples de como ajustar a posi\u00e7\u00e3o de uma barra de cores Matplotlib, incluindo v\u00e1rios exemplos.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pt\/posicao-da-barra-de-cores-matplotlib\/#breadcrumb\"},\"inLanguage\":\"pt-PT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pt\/posicao-da-barra-de-cores-matplotlib\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pt\/posicao-da-barra-de-cores-matplotlib\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Lar\",\"item\":\"https:\/\/statorials.org\/pt\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Como ajustar a posi\u00e7\u00e3o de uma barra de cores matplotlib\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/statorials.org\/pt\/#website\",\"url\":\"https:\/\/statorials.org\/pt\/\",\"name\":\"Statorials\",\"description\":\"O seu guia para a literacia estat\u00edstica!\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/statorials.org\/pt\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"pt-PT\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666\",\"name\":\"Dr. benjamim anderson\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"pt-PT\",\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/statorials.org\/pt\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"contentUrl\":\"https:\/\/statorials.org\/pt\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"caption\":\"Dr. benjamim anderson\"},\"description\":\"Ol\u00e1, sou Benjamin, um professor aposentado de estat\u00edstica que se tornou professor dedicado na Statorials. 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