METHODS FOR PROVIDING 3D BUILDING INFORMATION
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United States of America Patent
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Issued Date -
May 23, 2013
app pub date -
Nov 19, 2012
filing date -
Nov 18, 2011
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Abstract
A method of providing 3D building information for enhancing a digital map involves applying a lattice deformation to a 3D model of a building, and rendering an image of the deformed 3D model from an orthographic viewpoint. The steps of applying a lattice deformation to the 3D model and rendering an image of the deformed 3D model from an orthographic viewpoint provide a rendered image of the deformed 3D model that is an oblique projection of the building represented by the model. The 3D model is geo-positioned before lattice deformation. The resulting rendered image is superposed on a digital map.
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