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gmlgis关键技术问题分析-analysis of key technical problems in gml gis
4.1.2 GML解析器设计274.1.3 解析器效率分析....................................................................................................28GMLGIS索引机制294.2.1 四叉树索引技术....................................................................................................304.2.2 扩展四叉树索引的构建........................................................................................314.2.3 GML空间数据索引机制性能分析34GMLGIS渲染机制354.3.1 GDI+技术介绍354.3.2 坐标转换................................................................................................................364.3.3 图形可视化............................................................................................................384.3.4 地图控件设计........................................................................................................39第五章GMLGIS体系结构及系统实现405.1相关技术分析..................................................................................................................405.1.1 组件技术................................................................................................................415.1.2 SharpMap 体系结构分析425.2 GMLGIS体系结构435.3 GMLGIS主要功能模块及其实现445.3.1 基本操作功能的设计............................................................................................455.3.2 空间数据编辑........................................................................................................465.3.3 空间数据查询........................................................................................................485.3.4 空间数据分析........................................................................................................535.3.5 空间数据转换........................................................................................................57第六章总结与展望......................................................................................................................616.1总结..................................................................................................................................616.2展望.............................
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