一种自动提取室内通行网络的方法A solution of automatically extracting basic indoor navigation graph from CityGML LOD4 files
牛磊,李静婷,宋宜全
摘要(Abstract):
针对当前从建筑物设计图中提取通行结点网络的方式存在人工干预过多和效率较低等问题,该文提出了一种自动化构建室内通行网络的方案。在总结当前以CityGML LOD4格式存储的建筑物通行数据存在的各类典型问题之后,进行对应性的数据错误修正和补全;然后结合室内可通行空间特点,引入正交多边形分割算法和邻近关系分析算法,完成室内通行网络提取。实验结果证明,该方法所提取的基于CityGML LOD4文件的基本通行结点网络,能够在保持空间定性连通关系的基础上融合空间定量属性,满足人员室内路径规划应用的多重需求。
关键词(KeyWords): 室内空间;基本通行网络;自动化提取;CityGML LOD4
基金项目(Foundation): 国家自然科学基金项目(41201375,D010701);; 河南省高等学校重点科研项目(15A170002);; 天津市应用基础与前沿技术研究计划资助项目(14JCQNJC07900);; 天津市科技计划项目(14TXGCCX00015)
作者(Author): 牛磊,李静婷,宋宜全
DOI: 10.16251/j.cnki.1009-2307.2015.08.026
参考文献(References):
- [1]牛磊,宋宜全.一种融合网络和三维网格的多层次可通行环境表示法[J].地理与地理信息科学,2013,29(5):125-126.
- [2]周淑秋,孟俊仙,刘真.大型建筑物人员疏散仿真系统及实现[J].计算机仿真,2009(6):191-194.
- [3]GOETZ M.Towards Generating Highly Detailed 3D CityGML Models from OpenStreetMap[J].International Journal of Geographical Information Science,2013,27(5):845-865.
- [4]Open Geospatial Consortium Inc.OpenGIS City Geography Markup Language(CityGML)Encoding Standard[S].OpenGISR Encoding Standard.2008:234.
- [5]LEE J.A Three-dimensional Navigable Data Model to Support Emergency Response in Microspatial Built-Environments[J].Annals of the Association of American Geographers,2007,97(3):512-529.
- [6]CHOI J,LEE J.3DGeo-network for Agent-based Building Evacuation Simulation[M]//3DGeo-Information Sciences.Springer Berlin Heidelberg,2009:283-299.
- [7]SLINGSBY A,RAPER J.Navigable Space in 3D City Models for Pedestrians[M]//Advances in 3D Geoinformation Systems.Springer Berlin Heidelberg,2008:49-64.
- [8]SCHAA P J.Towards a 3DGeo-data Model to Support Pedestrian Routing in Multimodal Public Transport Travel Advices[D].Wageningen University,2009.
- [9]DE BERG M,KHOSRAVI A,VERDONSCHOT S,et al.On Rectilinear Partitions with Minimum Stabbing Number[M]//Algorithms and Data Structures.Springer,2011:302-313.
- [10]DE BERG M,VAN KREVELD M,OVERMARS M,et al.Computational Geometry[M].Springer,2000:95-96.