Delaunay triangular mesh generation algorithm
2014-05-01
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In all possible triangulation, the Delaunay (Delaunay) triangulation in terms of the use of the terrain to fit more common, it is often used to generate the TIN. Each triangle in the Delaunay triangulation can be regarded as a plane, the plane of the geometric feature is completely determined by the space coordinate values of the three vertices (x, y, z). Storage time, each triangle respectively constitute a record, each record including: a triangle identification code, the identification code of the triangle adjacent triangles, the vertices of the triangles identification code and the like. Space coordinate values of the vertices of the additional storage.
Purpose:
(1) adjacent triangles using this information to facilitate the distribution of the phenomenon consecutive tracking and query retrieval, such as tracking of contours
(2) the use of this data structure, the terrain can be easily analyzed to extract information such as slope and aspect, and fill excavation calc
Purpose:
(1) adjacent triangles using this information to facilitate the distribution of the phenomenon consecutive tracking and query retrieval, such as tracking of contours
(2) the use of this data structure, the terrain can be easily analyzed to extract information such as slope and aspect, and fill excavation calc
java
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