测绘通报 ›› 2017, Vol. 0 ›› Issue (1): 69-73.doi: 10.13474/j.cnki.11-2246.2017.0015

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Research on Algorithms for Solving Roof Model by Using Straight Skeleton of Polygon

WANG Fei, LI Chengming   

  1. Chinese Academy of Surveying and Mapping, Beijing 100830, China
  • Received:2016-03-08 Online:2017-01-25 Published:2017-02-06

Abstract: City, as an important place of human life, is the main field of 3D GIS application. A method to automatically generate the roof model based on straight skeleton of polygon is presented, with skeleton line extraction-housing model as the framework, based on 2D contour data of housing and the basic information of the roof (angle, roof height, texture attributes). At last the basic idea of the method is described and the effectiveness of the algorithm is verified by experimental results.

Key words: polygon, straight skeleton, roof model, visualization

CLC Number: