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{"id":3327,"date":"2020-04-15T20:57:31","date_gmt":"2020-04-15T18:57:31","guid":{"rendered":"https:\/\/www.ngi.be\/website\/offre\/geodonnees-numeriques\/digitaal-terrein-model\/"},"modified":"2023-07-25T10:53:40","modified_gmt":"2023-07-25T08:53:40","slug":"modele-numerique-de-terrain","status":"publish","type":"page","link":"https:\/\/ngibe.webhosting.be\/fr\/offre\/geodonnees-numeriques\/modele-numerique-de-terrain\/","title":{"rendered":"Mod\u00e8le num\u00e9rique de terrain"},"content":{"rendered":"

Le DTM (appel\u00e9 aussi MNT pour mod\u00e8le num\u00e9rique de terrain) est, en premi\u00e8re instance, utilis\u00e9 en interne comme surface de r\u00e9f\u00e9rence pour des applications \u00e0 l’\u00e9chelle 1:10 000. Il est aussi utilis\u00e9 comme base pour la production interne d’orthophotos.<\/p>\n

En tant que produit, il est destin\u00e9 aux clients ayant besoin d’un mod\u00e8le du terrain, o\u00f9 que ce soit en Belgique et avec une r\u00e9solution \u00e0 un niveau d’\u00e9chelle \u00e9quivalent de 1:10 000. Le DTM \u00e9tant une interpolation de la surface du sol, sa pr\u00e9cision est h\u00e9t\u00e9rog\u00e8ne ; elle pourra diminuer par endroit, notamment l\u00e0 o\u00f9 les donn\u00e9es altim\u00e9triques brutes sont peu denses ou absentes.<\/p>\n

Les d\u00e9coupes des DTM1m et DTM20m sont disponibles aux prix renseign\u00e9s ci-dessous :<\/p>\n