| 基于GIS的地震应急态势标绘技术研究 |
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| 引用本文： | 徐敬海,徐徐,聂高众,胡诚诚.基于GIS的地震应急态势标绘技术研究[J].武汉大学学报(信息科学版),2011(1):66-70. |
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| 作者姓名： | 徐敬海 徐徐 聂高众 胡诚诚 |
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| 作者单位： | 南京工业大学地理信息与测绘工程系;中国地震局地质研究所;南京市地震局; |
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| 基金项目： | 国家自然科学基金资助项目(40901272); 国家科技支撑计划资助项目(2006BAC13B03,2008BAK50B03); 江苏省科技支撑计划资助项目(BE2008624); 南京市科技发展计划资助项目(200801070) |
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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。
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| 关 键 词： | 地震应急 GIS 态势标绘 符号化 符号库 |
Earthquake Emergency Situation Plotting Technology Based on GIS |
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| XU Jinghai, XU Xu NIE Gaozhong HU Chengcheng.Earthquake Emergency Situation Plotting Technology Based on GIS[J].Geomatics and Information Science of Wuhan University,2011(1):66-70. |
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| Authors: | XU Jinghai XU Xu NIE Gaozhong HU Chengcheng |
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| Institution: | XU Jinghai1,2 XU Xu3 NIE Gaozhong2 HU Chengcheng1 (1 Department of GIS and Survey Engineering,Nanjing University of Technology,200 North Zhongshan Road,Nanjing 210009,China) (2 Institute of Geology,China Earthquake Administration,Qijiahuozi,Beijing 100029,China) (3 Nanjing Seismological Bureau,41 East Beijing Road,Nanjing 210008,China) |
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| Abstract: | 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 e... |
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| Keywords: | earthquake emergency GIS situation plotting symbolization symbol library |
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