{"id":44257,"date":"2024-10-23T16:41:51","date_gmt":"2024-10-23T14:41:51","guid":{"rendered":"https:\/\/foretnature.be\/?post_type=article-foret-nature&#038;p=44257"},"modified":"2024-10-23T16:41:51","modified_gmt":"2024-10-23T14:41:51","slug":"les-outils-cartographiques-open-source","status":"publish","type":"article-foret-nature","link":"https:\/\/foretnature.be\/en\/article-foret-nature\/les-outils-cartographiques-open-source\/","title":{"rendered":"Les outils cartographiques open source"},"content":{"rendered":"<p>Deux principaux logiciels cartographiques commerciaux dominent le march\u00e9 : ArcGIS et MapInfo : ces logiciels sont fort on\u00e9reux, d\u2019utilisation souvent complexe pour le d\u00e9butant, et ne supportent qu\u2019un nombre limit\u00e9 de formats de donn\u00e9es. \u00c0 c\u00f4t\u00e9 de ces logiciels commerciaux, des syst\u00e8mes open source (libre d\u2019acc\u00e8s) existent, le plus performant \u00e9tant probablement QGIS, abr\u00e9viation de Quantum GIS. Il peut s\u2019av\u00e9rer int\u00e9ressant \u00e0 plus d\u2019un titre pour les gestionnaires forestiers et environnementaux. La premi\u00e8re version date de 2004 mais a \u00e9t\u00e9 nettement am\u00e9lior\u00e9e, ce qui devrait amener \u00e0 la sortie d\u2019une version 2.0 dans le courant de l\u2019ann\u00e9e 2012. L\u2019article tente d\u2019y voir plus clair. Les points forts de QGIS sont : sa gratuit\u00e9 ; sa facilit\u00e9 d\u2019utilisation, m\u00eame pour un utilisateur d\u00e9butant ; la possibilit\u00e9, en fonction des besoins, de t\u00e9l\u00e9charger des extensions qui viennent se greffer sur le module de base ; une interface simple et intuitive ; la possibilit\u00e9 de choisir une autre langue que l\u2019anglais (le fran\u00e7ais, par exemple) ; un fonctionnement sous Windows, Mac ou Linux ; la possibilit\u00e9 de prendre en charge presque tous les formats de donn\u00e9es cartographiques ; l\u2019acquisition et la visualisation faciles et gratuites de donn\u00e9es, et aussi le t\u00e9l\u00e9chargement de cartes g\u00e9or\u00e9f\u00e9renc\u00e9es \u00e0 l\u2019aide d\u2019un module, par exemple. Quelques points faibles sont cependant in\u00e9vitables : la possibilit\u00e9 de r\u00e9aliser une m\u00eame op\u00e9ration de plusieurs mani\u00e8res diff\u00e9rentes, une certaine instabilit\u00e9 durant l\u2019utilisation, une fr\u00e9quence de plantage plus \u00e9lev\u00e9e que pour les logiciels commerciaux, et enfin, l\u2019absence d\u2019un mode d\u2019emploi digne de ce nom : ce qui oblige r\u00e9guli\u00e8rement \u00e0 fonctionner par essais et erreurs. Que les d\u00e9butants se rassurent, il est aussi possible de suivre des sessions de formations \u00e0 l\u2019utilisation de QGIS. [B. de P.]<\/p>","protected":false},"excerpt":{"rendered":"<p>Deux principaux logiciels cartographiques commerciaux dominent le march\u00e9 : ArcGIS et MapInfo : ces logiciels sont fort on\u00e9reux, d\u2019utilisation souvent complexe pour le d\u00e9butant, et ne supportent qu\u2019un nombre limit\u00e9 de formats de donn\u00e9es. \u00c0 c\u00f4t\u00e9 de ces logiciels commerciaux, des syst\u00e8mes open source (libre d\u2019acc\u00e8s) existent, le plus performant \u00e9tant probablement QGIS, abr\u00e9viation de [&hellip;]<\/p>","protected":false},"featured_media":0,"template":"","categories":[49],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Les outils cartographiques open source - For\u00eat.Nature<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/foretnature.be\/en\/article-foret-nature\/les-outils-cartographiques-open-source\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Les outils cartographiques open source - 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