基于GIS的地震应急态势标绘技术研究
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摘要
提出了地震应急态势标绘元素的分类体系,并设计基于此体系的态势标绘元素的可视化符号库,此符号库包括:基元符号层、单元符号层和表现符号层。研究了态势标绘元素基于GIS的显示方法与实现流程,采用基于哈希表的虚拟图层控制器实现态势符号的显示管理。建设南京市地震突发事件救灾应急平台,在平台中实现态势标绘模块。通过实际应急演练,验证了本研究的态势标绘技术的可行性和有效性。
The classifications of earthquake emergency situation map elements are put forwarded,and the visualization symbol library of situation map elements is designed based the classifications.The library is composed of basic symbol level,unit symbol level and representation level.GIS based display method and realization procedure of the situation elements are described.A hash table based virtual layer manager is adopted to realize the display management of situation plotting symbols.Through constructing Nanjing earthquake emergency platform,the situation plotting module is realized.The feasibility and effectiveness of the situation plotting technology studied in this paper is verified in a real earthquake emergency drill.
The classifications of earthquake emergency situation map elements are put forwarded,and the visualization symbol library of situation map elements is designed based the classifications.The library is composed of basic symbol level,unit symbol level and representation level.GIS based display method and realization procedure of the situation elements are described.A hash table based virtual layer manager is adopted to realize the display management of situation plotting symbols.Through constructing Nanjing earthquake emergency platform,the situation plotting module is realized.The feasibility and effectiveness of the situation plotting technology studied in this paper is verified in a real earthquake emergency drill.
引文
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[14]苏科华,朱欣焰,龚健雅.GIS符号的跨平台通用技术研究[J].武汉大学学报.信息科学版,2009,34(5):611-614
[2]帅向华,姜立新,刘钦,等.地震应急指挥技术系统设计与实现[J].测绘通报,2009,7:38-41
[3]Tang Aiping,Wen Aihua.An Intelligent Simula-tion System for Earthquake Disaster Assessment[J].Computers and Geosciences,2009,35(5):871-879
[4]张欣,钟耳顺.基于GIS的应急预案过程动态推演模拟技术研究[J].武汉大学学报.信息科学版,2008,33(3):281-284
[5]Nazir M K,Bajwa I S,Khan M I.A ConceptualFramework for Earthquake Disaster ManagementSystem(EDMS)for Quetta City Using GIS[C].2006 International Conferences on Advances inSpace Technologies,ICAST,Islamabad,2006
[6]Lu,Xiaolin.Web-GIS based SARS Epidemic Situa-tion Visualization[J].Pakistan SPIE-The Interna-tional Society for Optical Engineering,2004,5444:445-452
[7]张先浩.公共安全应急指挥可视化关键技术研究与实现[D].成都:成都电子科技大学,2009
[8]杨伦,陈彬,黄健,等.作战仿真中通用二维态势显示系统研究[J].先进制造与管理,2007,26(12):37-38
[9]张嵘,蔡洪斌,白忠建.三维态势图中标绘箭头的实时约束变形[J].成都信息工程学院学报,2008,23(4):380-383
[10]蔡菁,徐火生,王新余.基于草图的战场态势标绘系统[J].舰船电子工程,2008,11:134-137
[11]Durbin J,Julier S,Colbert B,et al.Making Infor-mation Overload Work:The Dragon Software Sys-tem on Virtual Reality Responsive Workbench[C].Proceedings of the 1998 SPIE AeroSense Confer-ence,Iowa,1998
[12]Kim Y S,Kesavadas T.Automated Dynamic Sym-bology for Visualization of High Level Fusion[C].The 7th International Conference on InformationFusion,New York,2004
[13]Hagens D,Montgomery J,Moore C.DevelopingCustom 3D Visualization Applications for DefenseUsing ArcGIS[C].Next Generation Command andControl System Tactical Operations Center 3D Pro-gram Concurrent Technologies Corporation,USA,2005
[14]苏科华,朱欣焰,龚健雅.GIS符号的跨平台通用技术研究[J].武汉大学学报.信息科学版,2009,34(5):611-614
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