G - Physics – 06 – T
Patent
G - Physics
06
T
G06T 17/05 (2011.01) G06F 17/17 (2006.01)
Patent
CA 2521642
The invention relates to a method for generating a three-dimensional terrain model while using object-oriented vector data that contain supporting points, which describe the terrain, of position values indicating at least the their cartographic position, and of elevation values that indicate their height or depth with regard to a reference level. The aim of the invention is to obtain a stable method that automatically ensues without human interaction. To this end, the elevation values of the supporting points are extrapolated within a uniform grid, and all extrapolation values are subjected to a weighted interpolation.
L'invention concerne un procédé permettant de produire un modèle topographique tridimensionnel, à l'aide de données vectorielles orientées objet, qui contiennent des points de reprise, descriptifs de la topographie, de valeurs de position indiquant leur position cartographique et de valeurs de hauteur indiquant leur hauteur ou leur profondeur par rapport au niveau de référence. Afin de parvenir à un déroulement automatique stable, sans interaction humaine, les valeurs de hauteur des points de reprise sont extrapolées à l'intérieur d'un maillage homogène et toutes les valeurs d'extrapolation sont soumises à une interpolation pondérée.
Atlas Elektronik Gmbh
Fetherstonhaugh & Co.
LandOfFree
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