【正文】 ....................................................8 實用性原則 ...................................................................................................9 穩(wěn)定性原則 ...................................................................................................9 擴展性原則 ...................................................................................................9 項目開發(fā)環(huán)境 ......................................................................................................9 項目接口列表 ......................................................................................................9 項目里程碑完成時間 ........................................................................................12 本章小結 ............................................................................................................16 第 3 章 項目架構設計 ..............................................................................................17 總體設計 ............................................................................................................17 架構分解 ............................................................................................................17 框架 .............................................................................................................18 公共庫 .........................................................................................................20 應用層接口 .................................................................................................24 組件 .............................................................................................................26 浙江大學碩士學位論文 目錄 II 本章小結 ............................................................................................................29 第 4 章 基于 平臺設計 .............................................................................30 平臺概述 .............................................................................................30 第三方庫的使用 ................................................................................................31 GIS 組件分解 ......................................................................................................32 BasicMath 組件 ...........................................................................................32 FileLoader 組件 ............................................................................................33 Geometry 組件 .............................................................................................34 DataSrc_Spatial 組件 ...................................................................................34 Projection 組件 ............................................................................................36 RGImage 組件 ..............................................................................................38 DMapObject 組件 ........................................................................................39 人員分配 ............................................................................................................40 本章小結 ............................................................................................................41 第 5 章 項 目功能實現(xiàn) ..............................................................................................42 柵格數(shù)據解析 ....................................................................................................42 地圖坐標轉換 ....................................................................................................44 對于使用 WGS84 坐標的地圖 ..................................................................44 對于使用 UTM 的投影的地圖 ..................................................................46 對于使用非 UTM 的投影的地圖 ..............................................................48 地形紋理背景圖生成 ........................................................................................48 地圖 Dem數(shù)據檢索 ...........................................................................................50 邊界的處理： .............................................................................................51 插值中有無效點 .........................................................................................51 鏈路線上取點 .............................................................................................51 矢量數(shù)據解析 ....................................................................................................52 地圖屬性 .....................................................................................................52 存取模式 .....................................................................................................52 數(shù)據處理 .....................................................................................................54 本章小結 ............................................................................................................56 第 6 章 項目性能優(yōu)化 ..............................................................................................57 使用 TIFF 存儲 ..................................................................................................57 柵格金字塔 ........................................................................................................57 數(shù)據緩沖區(qū) ........................................................................................................58 預制顏色表 ........................................................................................................59 本章小結 ............................................................................................................59 第 7 章 項目測試 ......................................................................................................60 總體質量評價 ....................................................................................................60 各維度質量評價 .................