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Modeling Guide for 3D Objects - Part 1: Basics (Rules for Validating GML Geometries in CityGML) (view source)
Revision as of 13:35, 11 November 2013
, 13:35, 11 November 2013→gml:MultiSurface
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'''Figure 11:''' Modeling overlapping roof parts
'''Figure 11:''' Modeling overlapping roof parts
Please note: the left model in Figure 8 is created with a MultiSurface element containing 7 polygons. However, the polygons do not represent a valid boundary of a rigid body. Calculating a volume is not possible. The right model is the same building geometry but modeled with 1 Solid element (7 polygons) and 1 MultiSurface element (2 polygons F6 and F8) as recommended (see CityGML Standard v1.0,p.61)
'''Please note:''' the left model in Figure 8 is created with a MultiSurface element containing 7 polygons. However, the polygons do not represent a valid boundary of a rigid body. Calculating a volume is not possible. The right model is the same building geometry but modeled with 1 Solid element (7 polygons) and 1 MultiSurface element (2 polygons F6 and F8) as recommended (see CityGML Standard v1.0,p.61)
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