{"id":1978,"date":"2019-05-13T09:00:00","date_gmt":"2019-05-13T07:00:00","guid":{"rendered":"https:\/\/blogs.autodesk.com\/villagebim\/2019\/05\/distances-ellipsoidales-et-euclidiennes-avec-les-outils-de-la-collection-aec.html"},"modified":"2021-02-24T07:51:17","modified_gmt":"2021-02-24T05:51:17","slug":"distances-ellipsoidales-et-euclidiennes-avec-les-outils-de-la-collection-aec","status":"publish","type":"post","link":"https:\/\/blogs.autodesk.com\/villagebim\/2019\/05\/distances-ellipsoidales-et-euclidiennes-avec-les-outils-de-la-collection-aec.html","title":{"rendered":"Distances ellipso\u00efdales et euclidiennes avec les outils de la Collection AEC"},"content":{"rendered":"<p>Lorsque l&#039;on travaille \u00e0 l&#039;\u00e9chelle du territoire, du pays voire plus, il y a plusieurs fa\u00e7on de mesurer les distances dont les deux suivantes :<\/p>\n<ul>\n<li>Mesurer la distance entre deux points de coordonn\u00e9es X, Y en consid\u00e9rant que ces deux points sont sur un plan : distance euclidienne<\/li>\n<li>Mesurer la distance entre deux points de coordonn\u00e9es X, Y en consid\u00e9rant que ces deux points sont sur la surface courbe terrestre : distance ellipso\u00efdale<\/li>\n<\/ul>\n<p>La distance ellipso\u00efdale permet donc de prendre en compte la rotondit\u00e9 de la Terre et elle correspond \u00e0 la distance que l&#039;on mesurerait sur site avec un ruban g\u00e9ant. Elle est sup\u00e9rieure \u00e0 la distance euclidienne et l&#039;\u00e9cart augmente avec la distance entre les points mesur\u00e9s.<\/p>\n<p>Dans le domaine g\u00e9ospatial, ce sont les syst\u00e8mes de projection qui nous permettent de prendre en compte l&#039;ellipso\u00efde terrestre et donc de mesurer une distance ellipso\u00efdale. Ces syst\u00e8mes sont disponibles dans les biblioth\u00e8ques d&#039;<a href=\"https:\/\/www.autodesk.fr\/products\/autocad\/included-toolsets\/autocad-map-3d\" rel=\"noopener noreferrer\" target=\"_blank\">AutoCAD Map 3D<\/a>, d&#039;<a href=\"https:\/\/www.autodesk.fr\/products\/civil-3d\/overview\" rel=\"noopener noreferrer\" target=\"_blank\">Autodesk Civil 3D<\/a> et d&#039;<a href=\"https:\/\/www.autodesk.fr\/products\/infraworks\/overview\" rel=\"noopener noreferrer\" target=\"_blank\">InfraWorks<\/a>. Ces logiciels, tous inclus dans la <a href=\"https:\/\/www.autodesk.fr\/collections\/architecture-engineering-construction\/overview\" rel=\"noopener noreferrer\" target=\"_blank\">Collection AEC<\/a>, permettent donc de mesurer des distances ellipso\u00efdales.<\/p>\n<p><span style=\"font-size: 14pt\"><strong>Mesurer une distance euclidienne<\/strong><\/span><\/p>\n<p>C&#039;est la manipulation la plus \u00e9vidente avec la <strong>commande DIST<\/strong> d&#039;<a href=\"https:\/\/www.autodesk.fr\/products\/autocad\/included-toolsets?mktvar002=1051291&amp;&amp;mkwid=s6r2z73ec%7cpcrid%7c346290015596%7cpkw%7cautocad%20autodesk%7cpmt%7ce%7cpdv%7cc%7cslid%7c%7cpgrid%7c60089840338%7cptaid%7caud-356556307193:kwd-297642016785%7c&amp;intent=&amp;utm_medium=cpc&amp;utm_source=google&amp;utm_campaign=GGL_AutoCAD_UK_BR_SEM%3EProspecting&amp;utm_term=autocad%20autodesk&amp;utm_content=s6r2z73ec%7cpcrid%7c346290015596%7cpkw%7cautocad%20autodesk%7cpmt%7ce%7cpdv%7cc%7cslid%7c%7cpgrid%7c60089840338%7cptaid%7caud-356556307193:kwd-297642016785%7c&amp;gclid=EAIaIQobChMI55rW4IqU4gIVRPlRCh0BKQ0XEAAYASAAEgIHMvD_BwE&amp;gclsrc=aw.ds\" rel=\"noopener noreferrer\" target=\"_blank\">AutoCAD<\/a>, <a href=\"https:\/\/www.autodesk.fr\/products\/autocad\/included-toolsets\/autocad-map-3d\" rel=\"noopener noreferrer\" target=\"_blank\">AutoCAD map 3D<\/a>, <a href=\"https:\/\/www.autodesk.fr\/products\/civil-3d\/overview\" rel=\"noopener noreferrer\" target=\"_blank\">Autodesk Civil 3D<\/a> et bien d&#039;autres (Navisworks, Revit&#8230;)<\/p>\n<p><span style=\"text-decoration: underline\">Cas particulier d&#039;<a href=\"https:\/\/www.autodesk.fr\/products\/infraworks\/overview\" rel=\"noopener noreferrer\" target=\"_blank\">InfraWorks<\/a><\/span> : les mod\u00e8les InfraWorks repr\u00e9sentent par d\u00e9faut le monde r\u00e9el et incluent la forme de la Terre. Pour s&#039;en rendre compte, il suffit de d\u00e9zoomer depuis n&#039;importe quel mod\u00e8le jusqu&#039;\u00e0 visualiser la Terre. Toute distance mesur\u00e9e dans InfraWorks est donc ellipso\u00efdale par d\u00e9faut.<\/p>\n<p><a class=\"asset-img-link\" href=\"https:\/\/civilfrance.typepad.com\/.a\/6a0120a619192b970b0240a4860382200d-pi\"><img decoding=\"async\" alt=\"2019-05-11_19-19-36\" border=\"0\" class=\"asset  asset-image at-xid-6a0120a619192b970b0240a4860382200d image-full img-responsive\" src=\"https:\/\/blogs.autodesk.com\/villagebim\/wp-content\/uploads\/sites\/154\/2021\/02\/img_6035e52148d80.jpg\" title=\"2019-05-11_19-19-36\" \/><\/a><\/p>\n<p><span style=\"font-size: 14pt\"><strong>Mesurer une distance ellipso\u00efdale<\/strong><\/span><\/p>\n<p>Dans <a href=\"https:\/\/www.autodesk.fr\/products\/infraworks\/overview\" rel=\"noopener noreferrer\" target=\"_blank\">InfraWorks<\/a> toute mesure de distance est ellipso\u00efdale par d\u00e9faut.<\/p>\n<p>Dans <a href=\"https:\/\/www.autodesk.fr\/products\/autocad\/included-toolsets\/autocad-map-3d\" rel=\"noopener noreferrer\" target=\"_blank\">AutoCAD Map 3D<\/a> et <a href=\"https:\/\/www.autodesk.fr\/products\/civil-3d\/overview\" rel=\"noopener noreferrer\" target=\"_blank\">Autodesk Civil 3D<\/a>, la <strong>commande MAPDIST<\/strong> permet de prendre en compte le syst\u00e8me de projection dans le calcul de la distance entre deux points. Il faut bien \u00e9videmment activer un syst\u00e8me de projection avant d&#039;appliquer cette commande. Sinon elle renverra la m\u00eame valeur que la commande DIST (avec un avertissement \u00e0 propos de l&#039;incoh\u00e9rence de la manipulation).<\/p>\n<p><strong><span style=\"font-size: 14pt\">Illustration <\/span><\/strong><span style=\"font-size: 11pt\">: m<\/span>esure de la distance entre deux ponts sur la Vienne en amont et en aval de Limoges.<\/p>\n<p><span style=\"text-decoration: underline\">Dans InfraWorks (RGF93 CC46)<\/span> :<\/p>\n<p><a class=\"asset-img-link\" href=\"https:\/\/civilfrance.typepad.com\/.a\/6a0120a619192b970b0240a45cd132200c-pi\"><img decoding=\"async\" alt=\"2019-05-11_19-34-33\" border=\"0\" class=\"asset  asset-image at-xid-6a0120a619192b970b0240a45cd132200c image-full img-responsive\" src=\"https:\/\/blogs.autodesk.com\/villagebim\/wp-content\/uploads\/sites\/154\/2021\/02\/img_6035e52499bd4.jpg\" title=\"2019-05-11_19-34-33\" \/><\/a><\/p>\n<table border=\"1\" style=\"border-collapse: collapse;width: 100%\">\n<tbody>\n<tr>\n<td style=\"width: 50%\"><a class=\"asset-img-link\" href=\"https:\/\/civilfrance.typepad.com\/.a\/6a0120a619192b970b0240a48603b5200d-pi\"><img decoding=\"async\" alt=\"2019-05-11_19-36-37\" class=\"asset  asset-image at-xid-6a0120a619192b970b0240a48603b5200d img-responsive\" src=\"https:\/\/blogs.autodesk.com\/villagebim\/wp-content\/uploads\/sites\/154\/2021\/02\/img_6035e5274c5a3.jpg\" title=\"2019-05-11_19-36-37\" \/><\/a><\/td>\n<td style=\"width: 50%\"><a class=\"asset-img-link\" href=\"https:\/\/civilfrance.typepad.com\/.a\/6a0120a619192b970b0240a4860407200d-pi\"><img decoding=\"async\" alt=\"2019-05-11_19-41-00\" class=\"asset  asset-image at-xid-6a0120a619192b970b0240a4860407200d img-responsive\" src=\"https:\/\/blogs.autodesk.com\/villagebim\/wp-content\/uploads\/sites\/154\/2021\/02\/img_6035e529bdca0.jpg\" title=\"2019-05-11_19-41-00\" \/><\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>La distance ellipso\u00efdale mesur\u00e9e est de 19 113.2 m. Pour plus d&#039;informations sur les outils de mesure dans InfraWorks, vous pouvez consulter <a href=\"https:\/\/civilfrance.typepad.com\/blog\/2017\/02\/les-outils-de-mesure-dans-infraworks-360.html\" rel=\"noopener noreferrer\" target=\"_blank\">cet article<\/a>.<\/p>\n<p><span style=\"text-decoration: underline\">Dans Autodesk Civil 3D (RGF93 CC46) avec la commande DIST<\/span> :<\/p>\n<p><a class=\"asset-img-link\" href=\"https:\/\/civilfrance.typepad.com\/.a\/6a0120a619192b970b0240a486042c200d-pi\"><img decoding=\"async\" alt=\"2019-05-11_19-43-28\" border=\"0\" class=\"asset  asset-image at-xid-6a0120a619192b970b0240a486042c200d image-full img-responsive\" src=\"https:\/\/blogs.autodesk.com\/villagebim\/wp-content\/uploads\/sites\/154\/2021\/02\/img_6035e52ca98eb.jpg\" title=\"2019-05-11_19-43-28\" \/><\/a><\/p>\n<table border=\"1\" style=\"border-collapse: collapse;width: 100%\">\n<tbody>\n<tr>\n<td style=\"width: 50%\"><a class=\"asset-img-link\" href=\"https:\/\/civilfrance.typepad.com\/.a\/6a0120a619192b970b0240a4aa9eeb200b-pi\"><img decoding=\"async\" alt=\"2019-05-11_19-48-11\" class=\"asset  asset-image at-xid-6a0120a619192b970b0240a4aa9eeb200b img-responsive\" src=\"https:\/\/blogs.autodesk.com\/villagebim\/wp-content\/uploads\/sites\/154\/2021\/02\/img_6035e5306b525.jpg\" title=\"2019-05-11_19-48-11\" \/><\/a><\/td>\n<td style=\"width: 50%\"><a class=\"asset-img-link\" href=\"https:\/\/civilfrance.typepad.com\/.a\/6a0120a619192b970b0240a45cd1cc200c-pi\"><img decoding=\"async\" alt=\"2019-05-11_19-48-35\" class=\"asset  asset-image at-xid-6a0120a619192b970b0240a45cd1cc200c img-responsive\" src=\"https:\/\/blogs.autodesk.com\/villagebim\/wp-content\/uploads\/sites\/154\/2021\/02\/img_6035e532945e5.jpg\" title=\"2019-05-11_19-48-35\" \/><\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>La distance euclidienne mesur\u00e9e est de 19 111,6 m.<\/p>\n<p><a class=\"asset-img-link\" href=\"https:\/\/civilfrance.typepad.com\/.a\/6a0120a619192b970b0240a45cd208200c-pi\"><img decoding=\"async\" alt=\"2019-05-11_19-56-03\" border=\"0\" class=\"asset  asset-image at-xid-6a0120a619192b970b0240a45cd208200c img-responsive\" src=\"https:\/\/blogs.autodesk.com\/villagebim\/wp-content\/uploads\/sites\/154\/2021\/02\/img_6035e534e8001.jpg\" title=\"2019-05-11_19-56-03\" \/><\/a><\/p>\n<p><span style=\"text-decoration: underline\">Dans Autodesk Civil 3D (RGF93 CC46) avec la commande MAPDIST<\/span> :<\/p>\n<table border=\"1\" style=\"border-collapse: collapse;width: 100%\">\n<tbody>\n<tr>\n<td style=\"width: 50%\"><a class=\"asset-img-link\" href=\"https:\/\/civilfrance.typepad.com\/.a\/6a0120a619192b970b0240a45cd1de200c-pi\"><img decoding=\"async\" alt=\"2019-05-11_19-50-43\" class=\"asset  asset-image at-xid-6a0120a619192b970b0240a45cd1de200c img-responsive\" src=\"https:\/\/blogs.autodesk.com\/villagebim\/wp-content\/uploads\/sites\/154\/2021\/02\/img_6035e5373f512.jpg\" title=\"2019-05-11_19-50-43\" \/><\/a><\/td>\n<td style=\"width: 50%\"><a class=\"asset-img-link\" href=\"https:\/\/civilfrance.typepad.com\/.a\/6a0120a619192b970b0240a48604d3200d-pi\"><img decoding=\"async\" alt=\"2019-05-11_19-51-40\" class=\"asset  asset-image at-xid-6a0120a619192b970b0240a48604d3200d img-responsive\" src=\"https:\/\/blogs.autodesk.com\/villagebim\/wp-content\/uploads\/sites\/154\/2021\/02\/img_6035e53a944c2.jpg\" title=\"2019-05-11_19-51-40\" \/><\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>La distance ellipso\u00efdale mesur\u00e9e est de 19 113,15 m (la m\u00eame que dans InfraWorks).<\/p>\n<p><a class=\"asset-img-link\" href=\"https:\/\/civilfrance.typepad.com\/.a\/6a0120a619192b970b0240a45cd1e7200c-pi\"><img decoding=\"async\" alt=\"2019-05-11_19-52-56\" border=\"0\" class=\"asset  asset-image at-xid-6a0120a619192b970b0240a45cd1e7200c img-responsive\" src=\"https:\/\/blogs.autodesk.com\/villagebim\/wp-content\/uploads\/sites\/154\/2021\/02\/img_6035e53cf297e.jpg\" title=\"2019-05-11_19-52-56\" \/><\/a><\/p>\n<p><span style=\"text-decoration: underline\">Dans Autodesk Civil 3D (sans syst\u00e8me de projection) avec la commande MAPDIST<\/span> :<\/p>\n<p><a class=\"asset-img-link\" href=\"https:\/\/civilfrance.typepad.com\/.a\/6a0120a619192b970b0240a4aa9fc2200b-pi\"><img decoding=\"async\" alt=\"2019-05-11_20-05-23\" border=\"0\" class=\"asset  asset-image at-xid-6a0120a619192b970b0240a4aa9fc2200b img-responsive\" src=\"https:\/\/blogs.autodesk.com\/villagebim\/wp-content\/uploads\/sites\/154\/2021\/02\/img_6035e541331c7.jpg\" title=\"2019-05-11_20-05-23\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Lorsque l&#039;on travaille \u00e0 l&#039;\u00e9chelle du territoire, du pays voire plus, il y a plusieurs fa\u00e7on de mesurer les distances dont les deux suivantes : Mesurer la distance entre deux points de coordonn\u00e9es X, Y en consid\u00e9rant que ces deux points sont sur un plan : distance euclidienne Mesurer la distance entre deux points de [&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-1978","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\/1978","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=1978"}],"version-history":[{"count":0,"href":"https:\/\/blogs.autodesk.com\/villagebim\/wp-json\/wp\/v2\/posts\/1978\/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=1978"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blogs.autodesk.com\/villagebim\/wp-json\/wp\/v2\/categories?post=1978"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blogs.autodesk.com\/villagebim\/wp-json\/wp\/v2\/tags?post=1978"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}