{"id":104577,"date":"2021-10-19T09:29:38","date_gmt":"2021-10-19T08:29:38","guid":{"rendered":"https:\/\/datascientest.com\/?p=104577"},"modified":"2023-11-09T14:05:50","modified_gmt":"2023-11-09T14:05:50","slug":"folium-tout-savoir","status":"publish","type":"post","link":"https:\/\/datascientest.com\/folium-tout-savoir","title":{"rendered":"Folium : D\u00e9couvrez la biblioth\u00e8que Python open source"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"104577\" class=\"elementor elementor-104577\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-d855887 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"d855887\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-ccbaeca\" data-id=\"ccbaeca\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2f9bd2b elementor-widget elementor-widget-text-editor\" data-id=\"2f9bd2b\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.15.0 - 02-08-2023 *\/\n.elementor-widget-text-editor.elementor-drop-cap-view-stacked .elementor-drop-cap{background-color:#69727d;color:#fff}.elementor-widget-text-editor.elementor-drop-cap-view-framed .elementor-drop-cap{color:#69727d;border:3px solid;background-color:transparent}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap{margin-top:8px}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap-letter{width:1em;height:1em}.elementor-widget-text-editor .elementor-drop-cap{float:left;text-align:center;line-height:1;font-size:50px}.elementor-widget-text-editor .elementor-drop-cap-letter{display:inline-block}<\/style>\t\t\t\t<h2><strong>Folium est une des nombreuses biblioth\u00e8ques open source compl\u00e9mentaires de Python qui permet d\u2019\u00e9tendre ses fonctionnalit\u00e9s. Dans son cas, Folium est un puissant outil de visualisation puisque cette biblioth\u00e8que rend possible la conception de cartes interactives.<\/strong><\/h2>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5551a6e elementor-widget elementor-widget-text-editor\" data-id=\"5551a6e\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"color: #000000;\"><span style=\"font-weight: 400;\">Cette cat\u00e9gorie de cartes est particuli\u00e8rement utile puisqu\u2019elles sont produites par la biblioth\u00e8que Javascript<\/span><\/span><a href=\"https:\/\/leafletjs.com\/\" target=\"_blank\" rel=\"noopener\"> Leaflet<\/a><span style=\"color: #000000;\"><span style=\"font-weight: 400;\">\u00a0et sont donc directement int\u00e9grables sur des sites internet. Ces cartes sont par exemple utilis\u00e9es pour des projets <\/span><span style=\"color: #6e4bec;\"><b><span style=\"color: #000000;\">disponibles sous licence creative commons attribution<\/span> <\/b><\/span><span style=\"font-weight: 400;\">tel qu\u2019OpenStreetMap, pour les illustrations cartographiques de Wikipedia ou de m\u00e9dias comme le Wall Street Journal ou le Washington Post.<\/span><\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3c7cc53 elementor-widget elementor-widget-heading\" data-id=\"3c7cc53\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.15.0 - 02-08-2023 *\/\n.elementor-heading-title{padding:0;margin:0;line-height:1}.elementor-widget-heading .elementor-heading-title[class*=elementor-size-]>a{color:inherit;font-size:inherit;line-height:inherit}.elementor-widget-heading .elementor-heading-title.elementor-size-small{font-size:15px}.elementor-widget-heading .elementor-heading-title.elementor-size-medium{font-size:19px}.elementor-widget-heading .elementor-heading-title.elementor-size-large{font-size:29px}.elementor-widget-heading .elementor-heading-title.elementor-size-xl{font-size:39px}.elementor-widget-heading .elementor-heading-title.elementor-size-xxl{font-size:59px}<\/style><h3 class=\"elementor-heading-title elementor-size-default\">Comment fonctionne cette biblioth\u00e8que ?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c2a84b5 elementor-widget elementor-widget-text-editor\" data-id=\"c2a84b5\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"color: #000000;\"><span style=\"font-weight: 400;\">Du c\u00f4t\u00e9 de son fonctionnement, Folium fait<span style=\"color: #000000;\"> le<\/span><\/span><\/span><b><span style=\"color: #000000;\"> lien entre les datasets<\/span><\/b><span style=\"color: #000000;\"><span style=\"font-weight: 400;\"> qui contiennent les donn\u00e9es g\u00e9ographiques des diff\u00e9rents objets \u00e0 afficher qui sont manipul\u00e9s avec\u00a0<\/span><\/span>Python<span style=\"color: #000000;\"><span style=\"font-weight: 400;\">\u00a0et Leaflet qui permet de g\u00e9n\u00e9rer le visuel de la cartographie. <\/span><span style=\"font-weight: 400;\">Il est ainsi possible par exemple de placer sur une carte l\u2019ensemble des localisations des restaurants d\u2019une ville avec un dataset contenant leurs coordonn\u00e9es GPS. <\/span><span style=\"font-weight: 400;\">Les cartes ainsi produites comportent alors une couche de <\/span><\/span><span style=\"font-weight: 400; color: #000000;\">base et des couches g\u00e9n\u00e9r\u00e9es par Folium qui s\u2019y superposent.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ea662eb elementor-widget elementor-widget-image\" data-id=\"ea662eb\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.15.0 - 02-08-2023 *\/\n.elementor-widget-image{text-align:center}.elementor-widget-image a{display:inline-block}.elementor-widget-image a img[src$=\".svg\"]{width:48px}.elementor-widget-image img{vertical-align:middle;display:inline-block}<\/style>\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"512\" height=\"308\" src=\"https:\/\/datascientest.com\/wp-content\/uploads\/2021\/09\/unnamed-1-1.png\" class=\"attachment-large size-large wp-image-104607\" alt=\"fonds de carte et d\u2019objets affich\u00e9s gr\u00e2ce \u00e0 Folium\" srcset=\"https:\/\/datascientest.com\/wp-content\/uploads\/2021\/09\/unnamed-1-1.png 512w, https:\/\/datascientest.com\/wp-content\/uploads\/2021\/09\/unnamed-1-1-300x180.png 300w\" sizes=\"(max-width: 512px) 100vw, 512px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-07407b0 elementor-widget elementor-widget-image\" data-id=\"07407b0\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"512\" height=\"307\" src=\"https:\/\/datascientest.com\/wp-content\/uploads\/2021\/09\/unnamed-2-1.png\" class=\"attachment-large size-large wp-image-104608\" alt=\"fonds de carte et d\u2019objets affich\u00e9s gr\u00e2ce \u00e0 Folium\" srcset=\"https:\/\/datascientest.com\/wp-content\/uploads\/2021\/09\/unnamed-2-1.png 512w, https:\/\/datascientest.com\/wp-content\/uploads\/2021\/09\/unnamed-2-1-300x180.png 300w\" sizes=\"(max-width: 512px) 100vw, 512px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-8cbfd25 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"8cbfd25\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-b8e71c9\" data-id=\"b8e71c9\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-b817d7b elementor-widget elementor-widget-heading\" data-id=\"b817d7b\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Quelles sont les utilisations de Folium ?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d2bffeb elementor-widget elementor-widget-text-editor\" data-id=\"d2bffeb\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"color: #000000;\"><span style=\"font-weight: 400;\">Le nombre et la vari\u00e9t\u00e9 des objets affichables gr\u00e2ce \u00e0 Folium est particuli\u00e8rement vaste. On retrouve parmi eux bien entendu des <\/span><b>cartes de diff\u00e9rents types <\/b><span style=\"font-weight: 400;\">mais \u00e9galement de nombreux <\/span><b>objets de type vectoriel<\/b><span style=\"font-weight: 400;\"> (cercle, polygone, rectangle, pin\u2026) ou encore des <\/span><b>grilles<\/b><span style=\"font-weight: 400;\"> qui permettent de cr\u00e9er certaines bordures par exemple. \u00c0 la vue de ces exemples, on peut donc deviner que les <\/span><b>possibilit\u00e9s permises par cet outil sont multiples<\/b><span style=\"font-weight: 400;\"><span style=\"color: #000000;\">. Parmi les exemples notables, on peut retrouver une carte interactive du taux de criminalit\u00e9 construite \u00e0 partir d\u2019un dataset recensant l\u2019ensemble des crimes et d\u00e9lits commis \u00e0 San Francisco. Deux apprenants de chez DataScientest<\/span> ont par exemple eu recours \u00e0 Folium lors de leur projet fil rouge. Ce projet, intitul\u00e9\u00a0<\/span><\/span><a href=\"https:\/\/datascientest.com\/city-walker-lappli-qui-vous-propose-le-meilleur-itineraire-touristique\" target=\"_blank\" rel=\"noopener\">City Walker<\/a>,<span style=\"color: #000000;\"><span style=\"font-weight: 400;\">\u00a0permet d\u2019optimiser les trajets touristiques au sein de la ville de Paris. Il recense 10 000 points d\u2019int\u00e9r\u00eat classifi\u00e9s dans diff\u00e9rentes cat\u00e9gories (lieux touristiques, restaurants\u2026) puis \u00e9tablit un trajet optimal qui est affich\u00e9 sous forme de carte gr\u00e2ce Folium.<\/span><\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d8638d2 elementor-widget elementor-widget-video\" data-id=\"d8638d2\" data-element_type=\"widget\" data-settings=\"{&quot;youtube_url&quot;:&quot;https:\\\/\\\/www.youtube.com\\\/watch?v=KvfQXAl8BdA&quot;,&quot;video_type&quot;:&quot;youtube&quot;,&quot;controls&quot;:&quot;yes&quot;}\" data-widget_type=\"video.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.15.0 - 02-08-2023 *\/\n.elementor-widget-video .elementor-widget-container{overflow:hidden;transform:translateZ(0)}.elementor-widget-video .elementor-wrapper{aspect-ratio:var(--video-aspect-ratio)}.elementor-widget-video .elementor-wrapper iframe,.elementor-widget-video .elementor-wrapper video{height:100%;width:100%;display:flex;border:none;background-color:#000}@supports not (aspect-ratio:1\/1){.elementor-widget-video .elementor-wrapper{position:relative;overflow:hidden;height:0;padding-bottom:calc(100% \/ var(--video-aspect-ratio))}.elementor-widget-video .elementor-wrapper iframe,.elementor-widget-video .elementor-wrapper video{position:absolute;top:0;right:0;bottom:0;left:0}}.elementor-widget-video .elementor-open-inline .elementor-custom-embed-image-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background-size:cover;background-position:50%}.elementor-widget-video .elementor-custom-embed-image-overlay{cursor:pointer;text-align:center}.elementor-widget-video .elementor-custom-embed-image-overlay:hover .elementor-custom-embed-play i{opacity:1}.elementor-widget-video .elementor-custom-embed-image-overlay img{display:block;width:100%;aspect-ratio:var(--video-aspect-ratio);-o-object-fit:cover;object-fit:cover;-o-object-position:center center;object-position:center center}@supports not (aspect-ratio:1\/1){.elementor-widget-video .elementor-custom-embed-image-overlay{position:relative;overflow:hidden;height:0;padding-bottom:calc(100% \/ var(--video-aspect-ratio))}.elementor-widget-video .elementor-custom-embed-image-overlay img{position:absolute;top:0;right:0;bottom:0;left:0}}.elementor-widget-video .e-hosted-video .elementor-video{-o-object-fit:cover;object-fit:cover}.e-con-inner>.elementor-widget-video,.e-con>.elementor-widget-video{width:var(--container-widget-width);--flex-grow:var(--container-widget-flex-grow)}<\/style>\t\t<div class=\"elementor-wrapper elementor-open-inline\">\n\t\t\t<div class=\"elementor-video\"><\/div>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ee0060f elementor-widget elementor-widget-text-editor\" data-id=\"ee0060f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"color: #000000;\"><span style=\"font-weight: 400;\">Pour ce qui est des utilisations les plus connues, le projet OpenStreetMap a pour but de recenser des bases de donn\u00e9es publiques et de g\u00e9n\u00e9rer des cartes interactives, et cela, par le moyen de folium.<\/span><span style=\"font-weight: 400;\"> Ces cartes sont g\u00e9n\u00e9r\u00e9es de mani\u00e8re simple ce qui en fait un outil de plus en plus populaire d\u2019autant que ces cartes sont <\/span><b>facilement int\u00e9grables<\/b><span style=\"font-weight: 400;\"> sur un site internet.<\/span><\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a40019f elementor-widget elementor-widget-image\" data-id=\"a40019f\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"512\" height=\"320\" src=\"https:\/\/datascientest.com\/wp-content\/uploads\/2021\/09\/unnamed.jpeg\" class=\"attachment-large size-large wp-image-104619\" alt=\"\" srcset=\"https:\/\/datascientest.com\/wp-content\/uploads\/2021\/09\/unnamed.jpeg 512w, https:\/\/datascientest.com\/wp-content\/uploads\/2021\/09\/unnamed-300x188.jpeg 300w\" sizes=\"(max-width: 512px) 100vw, 512px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c2712c5 elementor-widget elementor-widget-heading\" data-id=\"c2712c5\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Comment ma\u00eetriser l\u2019outil Folium ?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9bb662f elementor-widget elementor-widget-text-editor\" data-id=\"9bb662f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"color: #000000;\"><span style=\"font-weight: 400;\">Les pr\u00e9requis n\u00e9cessaires \u00e0 l\u2019appr\u00e9hension de cet outil sont <strong>la ma\u00eetrise du langage Python<\/strong>. Si vous souhaitez en savoir plus sur ce langage et comment vous former pour ma\u00eetriser ce dernier, consultez <a href=\"https:\/\/datascientest.com\/python-tout-savoir\">notre article d\u00e9di\u00e9 au langage Python<\/a>.<\/span><\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b4d3b59 elementor-align-center elementor-widget elementor-widget-button\" data-id=\"b4d3b59\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"\/formations-data\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">D\u00e9couvrir nos formations en Data Science<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-cf442be elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"cf442be\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-e7be199\" data-id=\"e7be199\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5c8dfbd elementor-widget elementor-widget-html\" data-id=\"5c8dfbd\" data-element_type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [{\n    \"@type\": \"Question\",\n    \"name\": \"Comment fonctionne cette biblioth\u00e8que ?\",\n    \"acceptedAnswer\": {\n      \"@type\": \"Answer\",\n      \"text\": \"Du c\u00f4t\u00e9 de son fonctionnement, Folium fait le lien entre les datasets qui contiennent les donn\u00e9es g\u00e9ographiques des diff\u00e9rents objets \u00e0 afficher qui sont manipul\u00e9s avec\u00a0Python\u00a0et Leaflet qui permet de g\u00e9n\u00e9rer le visuel de la cartographie. Il est ainsi possible par exemple de placer sur une carte l\u2019ensemble des localisations des restaurants d\u2019une ville avec un dataset contenant leurs coordonn\u00e9es GPS. Les cartes ainsi produites comportent alors une couche de base et des couches g\u00e9n\u00e9r\u00e9es par Folium qui s\u2019y superposent.\"\n    }\n  },{\n    \"@type\": \"Question\",\n    \"name\": \"Quelles sont les utilisations de Folium ?\",\n    \"acceptedAnswer\": {\n      \"@type\": \"Answer\",\n      \"text\": \"Le nombre et la vari\u00e9t\u00e9 des objets affichables gr\u00e2ce \u00e0 Folium est particuli\u00e8rement vaste. 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Si vous souhaitez en savoir plus sur ce langage et comment vous former pour ma\u00eetriser ce dernier, consultez notre article d\u00e9di\u00e9 au langage Python.\"\n    }\n  }]\n}\n<\/script>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Folium est une des nombreuses biblioth\u00e8ques open source compl\u00e9mentaires de Python qui permet d\u2019\u00e9tendre ses fonctionnalit\u00e9s. Dans son cas, Folium est un puissant outil de visualisation puisque cette biblioth\u00e8que rend possible la conception de cartes interactives. Cette cat\u00e9gorie de cartes est particuli\u00e8rement utile puisqu\u2019elles sont produites par la biblioth\u00e8que Javascript Leaflet&nbsp;et sont donc directement int\u00e9grables [&hellip;]<\/p>\n","protected":false},"author":78,"featured_media":104992,"comment_status":"open","ping_status":"open","sticky":false,"template":"elementor_theme","format":"standard","meta":{"content-type":"","inline_featured_image":false},"categories":[2497],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.7 (Yoast SEO v21.7) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Folium : D\u00e9couvrez la biblioth\u00e8que Python open source<\/title>\n<meta name=\"description\" content=\"Folium est une des nombreuses biblioth\u00e8ques open source compl\u00e9mentaires de Python qui permet d\u2019\u00e9tendre ses fonctionnalit\u00e9s. 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