{"id":2024,"date":"2018-08-27T09:00:00","date_gmt":"2018-08-27T07:00:00","guid":{"rendered":"https:\/\/blogs.autodesk.com\/villagebim\/2018\/08\/copernicus-une-source-de-donnees-europeenne-aisement-exploitable-avec-infraworks.html"},"modified":"2021-02-24T07:51:29","modified_gmt":"2021-02-24T05:51:29","slug":"copernicus-une-source-de-donnees-europeenne-aisement-exploitable-avec-infraworks","status":"publish","type":"post","link":"https:\/\/blogs.autodesk.com\/villagebim\/2018\/08\/copernicus-une-source-de-donnees-europeenne-aisement-exploitable-avec-infraworks.html","title":{"rendered":"Copernicus : une source de donn\u00e9es europ\u00e9enne ais\u00e9ment exploitable avec InfraWorks"},"content":{"rendered":"<p>En septembre 2017 je faisais ici un point sur les sources de donn\u00e9es disponibles gratuitement pour compl\u00e9ter \/ am\u00e9liorer la topographie fournie automatiquement par Model Builder.<\/p>\n<p>L&#039;aricle est consultable ici :&#160;<a href=\"http:\/\/civilfrance.typepad.com\/blog\/2017\/09\/ameliorer-la-topographie-proposee-automatiquement-par-infraworks.html\" rel=\"noopener noreferrer\" target=\"_blank\">Am\u00e9liorer la topographie propos\u00e9e automatiquement par InfraWorks<\/a><\/p>\n<p>J&#039;apporte aujourd&#039;hui un compl\u00e9ment : les donn\u00e9es propos\u00e9es par <a href=\"http:\/\/www.opendem.info\/opendemeu_meta_eudem.html\" rel=\"noopener noreferrer\" target=\"_blank\">OpenDem<\/a> sont celles du programme europ\u00e9en d&#039;observation de la Terre&#160;<a href=\"https:\/\/www.touteleurope.eu\/actualite\/copernicus-le-programme-d-observation-de-la-terre.html\" rel=\"noopener noreferrer\" target=\"_blank\">Copernicus<\/a>.<\/p>\n<p>Vous pouvez donc directement vous connecter sur le site <a href=\"https:\/\/land.copernicus.eu\/pan-european\/satellite-derived-products\/eu-dem\/eu-dem-v1.1?tab=mapview\" rel=\"noopener noreferrer\" target=\"_blank\">Copernicus<\/a> pour t\u00e9l\u00e9charger les <a href=\"https:\/\/land.copernicus.eu\/pan-european\/satellite-derived-products\/eu-dem\/eu-dem-v1.1?tab=mapview\" rel=\"noopener noreferrer\" target=\"_blank\">donn\u00e9es topo Europ\u00e9ennes<\/a> qui vous int\u00e9ressent. Ces donn\u00e9es fournissent un maillage de 25 m en X et Y mais une pr\u00e9cision tr\u00e8s relative en Z (+\/- 7 m). Elle sont donc \u00e0 exploiter \u00e0 grande \u00e9chelle et en phase pr\u00e9liminaire. Les fichiers t\u00e9l\u00e9chargeables sont des Geotiff g\u00e9n\u00e9r\u00e9s \u00e0 partir des sources SRTM et ASTER GDEM. Leur insertion dans un mod\u00e8le InfraWorks g\u00e9n\u00e8re instantan\u00e9ment un mod\u00e8le de terrain exploitable (MNT).<\/p>\n<p><a class=\"asset-img-link\" href=\"https:\/\/land.copernicus.eu\/pan-european\/satellite-derived-products\/eu-dem\/eu-dem-v1.1?tab=mapview\" rel=\"noopener noreferrer\" target=\"_blank\"><img decoding=\"async\" alt=\"2018-08-15_19-06-08\" border=\"0\" class=\"asset  asset-image at-xid-6a0120a619192b970b022ad362ee87200c image-full img-responsive\" src=\"https:\/\/blogs.autodesk.com\/villagebim\/wp-content\/uploads\/sites\/154\/2021\/02\/img_6035e77cb9b20.png\" title=\"2018-08-15_19-06-08\" \/><\/a><\/p>\n<p>Vous trouverez \u00e9galement sur Copernicus des donn\u00e9es sur les zones Natura 2000, les couvertures v\u00e9g\u00e9tales, les r\u00e9seaux hydrographiques, les zones urbaines, &#8230;<\/p>\n<p>A titre de comparaison sont affich\u00e9s ci-dessous les rendus en mode standard et filaire pour une m\u00eame zone du sud-ouest (proche du lac de Montbel) avec les donn\u00e9es de Model Builder, BD Alti 75m, OpenDem et Copernicus. Les deux derni\u00e8re sont donc identiques.&#160;<\/p>\n<p>J&#039;ai \u00e9galement contr\u00f4l\u00e9 l&#039;altitude renvoy\u00e9e pour le lac de Montbel (400 m NGF d&#039;apr\u00e8s Wikip\u00e9dia). Les r\u00e9sultats sont pr\u00e9cis\u00e9s ci-dessous.<\/p>\n<p><span style=\"text-decoration: underline\">Model Builder<\/span><\/p>\n<p><a class=\"asset-img-link\" href=\"http:\/\/civilfrance.typepad.com\/.a\/6a0120a619192b970b022ad362ebe0200c-pi\"><img decoding=\"async\" alt=\"ModelBuilder\" class=\"asset  asset-image at-xid-6a0120a619192b970b022ad362ebe0200c img-responsive\" src=\"https:\/\/blogs.autodesk.com\/villagebim\/wp-content\/uploads\/sites\/154\/2021\/02\/img_6035e780d67d1.png\" title=\"ModelBuilder\" \/><\/a><\/p>\n<p><a class=\"asset-img-link\" href=\"http:\/\/civilfrance.typepad.com\/.a\/6a0120a619192b970b022ad362ebee200c-pi\"><img decoding=\"async\" alt=\"ModelBuilderFilaire\" class=\"asset  asset-image at-xid-6a0120a619192b970b022ad362ebee200c img-responsive\" src=\"https:\/\/blogs.autodesk.com\/villagebim\/wp-content\/uploads\/sites\/154\/2021\/02\/img_6035e7839cae0.png\" title=\"ModelBuilderFilaire\" \/><\/a><\/p>\n<p><span style=\"text-decoration: underline\">BD Alti 75 m<\/span><\/p>\n<p><a class=\"asset-img-link\" href=\"http:\/\/civilfrance.typepad.com\/.a\/6a0120a619192b970b022ad362ebf6200c-pi\"><img decoding=\"async\" alt=\"BDAlti75m\" class=\"asset  asset-image at-xid-6a0120a619192b970b022ad362ebf6200c img-responsive\" src=\"https:\/\/blogs.autodesk.com\/villagebim\/wp-content\/uploads\/sites\/154\/2021\/02\/img_6035e78644ae6.png\" title=\"BDAlti75m\" \/><\/a><\/p>\n<p><a class=\"asset-img-link\" href=\"http:\/\/civilfrance.typepad.com\/.a\/6a0120a619192b970b022ad3a8c4cd200b-pi\"><img decoding=\"async\" alt=\"BDAlti75mFilaire\" class=\"asset  asset-image at-xid-6a0120a619192b970b022ad3a8c4cd200b img-responsive\" src=\"https:\/\/blogs.autodesk.com\/villagebim\/wp-content\/uploads\/sites\/154\/2021\/02\/img_6035e788c2041.png\" title=\"BDAlti75mFilaire\" \/><\/a><\/p>\n<p><span style=\"text-decoration: underline\">OpenDem<\/span><\/p>\n<p><a class=\"asset-img-link\" href=\"http:\/\/civilfrance.typepad.com\/.a\/6a0120a619192b970b022ad362ec09200c-pi\"><img decoding=\"async\" alt=\"OpenDEM\" class=\"asset  asset-image at-xid-6a0120a619192b970b022ad362ec09200c img-responsive\" src=\"https:\/\/blogs.autodesk.com\/villagebim\/wp-content\/uploads\/sites\/154\/2021\/02\/img_6035e78b45049.png\" title=\"OpenDEM\" \/><\/a><\/p>\n<p><a class=\"asset-img-link\" href=\"http:\/\/civilfrance.typepad.com\/.a\/6a0120a619192b970b022ad3890950200d-pi\"><img decoding=\"async\" alt=\"OpenDEMFilaire\" class=\"asset  asset-image at-xid-6a0120a619192b970b022ad3890950200d img-responsive\" src=\"https:\/\/blogs.autodesk.com\/villagebim\/wp-content\/uploads\/sites\/154\/2021\/02\/img_6035e78dd2f5e.png\" title=\"OpenDEMFilaire\" \/><\/a><\/p>\n<p><span style=\"text-decoration: underline\">Copernicus<\/span><\/p>\n<p><a class=\"asset-img-link\" href=\"http:\/\/civilfrance.typepad.com\/.a\/6a0120a619192b970b022ad3890959200d-pi\"><img decoding=\"async\" alt=\"Copernicus\" class=\"asset  asset-image at-xid-6a0120a619192b970b022ad3890959200d img-responsive\" src=\"https:\/\/blogs.autodesk.com\/villagebim\/wp-content\/uploads\/sites\/154\/2021\/02\/img_6035e790bb4d8.png\" title=\"Copernicus\" \/><\/a><\/p>\n<p><a class=\"asset-img-link\" href=\"http:\/\/civilfrance.typepad.com\/.a\/6a0120a619192b970b022ad3a8c4ea200b-pi\"><img decoding=\"async\" alt=\"CopernicusFilaire\" class=\"asset  asset-image at-xid-6a0120a619192b970b022ad3a8c4ea200b img-responsive\" src=\"https:\/\/blogs.autodesk.com\/villagebim\/wp-content\/uploads\/sites\/154\/2021\/02\/img_6035e793285f3.png\" title=\"CopernicusFilaire\" \/><\/a><\/p>\n<p><span style=\"text-decoration: underline\">Lac de Montbel<\/span> : 400 m NGF<\/p>\n<p><a class=\"asset-img-link\" href=\"http:\/\/civilfrance.typepad.com\/.a\/6a0120a619192b970b022ad3a8c4fd200b-pi\"><img decoding=\"async\" alt=\"LacMontbel\" class=\"asset  asset-image at-xid-6a0120a619192b970b022ad3a8c4fd200b img-responsive\" src=\"https:\/\/blogs.autodesk.com\/villagebim\/wp-content\/uploads\/sites\/154\/2021\/02\/img_6035e795df0eb.png\" title=\"LacMontbel\" \/><\/a><\/p>\n<p>Niveau du lac : Model Builder : 395 m,&#160;BD Alti 75 m : 399 m,&#160;Open DEM : 392 m,&#160;Copernicus : 392 m.<\/p>\n<p><span style=\"text-decoration: underline\">Attention<\/span> : ces valeurs sont ponctuelles et ne doivent pas \u00eatre g\u00e9n\u00e9ralis\u00e9es. Les pr\u00e9cisions en Z sont variables selon les zones \u00e9tudi\u00e9es. La source la plus pr\u00e9cise pour l&#039;altitude reste la BD Alti de l&#039;IGN.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>En septembre 2017 je faisais ici un point sur les sources de donn\u00e9es disponibles gratuitement pour compl\u00e9ter \/ am\u00e9liorer la topographie fournie automatiquement par Model Builder. L&#039;aricle est consultable ici :&#160;Am\u00e9liorer la topographie propos\u00e9e automatiquement par InfraWorks J&#039;apporte aujourd&#039;hui un compl\u00e9ment : les donn\u00e9es propos\u00e9es par OpenDem sont celles du programme europ\u00e9en d&#039;observation de la [&hellip;]<\/p>\n","protected":false},"author":1016,"featured_media":2472,"menu_order":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[3283,3304],"tags":[],"class_list":["post-2024","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-civil-3d","category-infraworks","dhig-theme--light"],"acf":[],"_links":{"self":[{"href":"https:\/\/blogs.autodesk.com\/villagebim\/wp-json\/wp\/v2\/posts\/2024","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.autodesk.com\/villagebim\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blogs.autodesk.com\/villagebim\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.autodesk.com\/villagebim\/wp-json\/wp\/v2\/users\/1016"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.autodesk.com\/villagebim\/wp-json\/wp\/v2\/comments?post=2024"}],"version-history":[{"count":0,"href":"https:\/\/blogs.autodesk.com\/villagebim\/wp-json\/wp\/v2\/posts\/2024\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blogs.autodesk.com\/villagebim\/wp-json\/wp\/v2\/media\/2472"}],"wp:attachment":[{"href":"https:\/\/blogs.autodesk.com\/villagebim\/wp-json\/wp\/v2\/media?parent=2024"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blogs.autodesk.com\/villagebim\/wp-json\/wp\/v2\/categories?post=2024"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blogs.autodesk.com\/villagebim\/wp-json\/wp\/v2\/tags?post=2024"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}