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27 January 2011 Automatic generation of 3D building models from orthogonal building footprint
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Proceedings Volume 7864, Three-Dimensional Imaging, Interaction, and Measurement; 78640T (2011)
Event: IS&T/SPIE Electronic Imaging, 2011, San Francisco Airport, California, United States
Based on building polygons (building footprints) on a digital map, a GIS and CG integrated system to generate 3D building models automatically is proposed. Most building polygons' edges meet at right angles (orthogonal polygon). A complicated orthogonal polygon can be partitioned into a set of rectangles. In order to partition an orthogonal polygon, we proposed a useful polygon expression (RL expression) and a partitioning scheme in deciding from which vertex a dividing line (DL) is drawn. After partitioning, the integrated system will place rectangular roofs and box-shaped building bodies on these rectangles. In this paper, we propose a new scheme for partitioning building polygons and for creating a complicated shape of building models based on orthogonal building polygons.
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Kenichi Sugihara, Xinxin Zhou, and Takahiro Murase "Automatic generation of 3D building models from orthogonal building footprint", Proc. SPIE 7864, Three-Dimensional Imaging, Interaction, and Measurement, 78640T (27 January 2011);

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