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MapXtreme for Java 3.x开发指南1-MapXtreme Java 3.x for the development of a Guide

gis学习很重要！如果你喜欢建议你学一下！值得！大家一起学啊！-dsfsjfskfjsklfjsflskfl

提供几篇矢量文件空间索引的资料,主要针对大数据量的shp数据-Several vector file space to provide information on the index

在VC环境中利用MAPX实现在地图中的直线测量与折线测量。-in VC Connection use the map to achieve the linear measurement and measurement dogleg.

GPS中一个读取RINEX程序模块，可由给定的卫星号及历元时刻读出C1，P1，P2，L1和L2观测量.-GPS RINEX a reading program modules can be given to the satellite, and Epoch moment to read out C1, P1, P2, L1 and L2 observables.

MapXtreme for Java 3.x开发指南2-for MapXtreme Java 3.x Development Guide 2

一个ArcGIS Engine的初级例子~-a primary example ~

GIS开发,使用插件实现选中部标的高亮显示-GIS development, the use of plug-in the Department of achieving the target selected highlights

构建Delaunay三角网的源程序，采用vb6.0加ae9.1环境下开发-Construction of Delaunay Triangulation source, using VB6.0 development environment plus ae9.1

包括部分空间算法，如计算两坐标点距离、判断两坐标点是否相等、计算叉积、计算点积、判断点p是否在线段l上、计算点bp以点op为圆心逆时针旋转dAlpha(单位：弧度)后所在的坐标点位置、计算指定半径圆上指定角度的弦长、计算由起点坐标和终点坐标构成的线段在指定距离和指定方向的垂点坐标等空间算法-Including some space algorithms, such as calculating the distance between the two coordinates to determine whether the same two coordinates to calculate cross product, point multiplication calculation to determine whether point p on line l above the calculation point to point op for bp counterclockwise rotation center dAlpha (units : radian) after the location where the coordinates of points, calculated on the specified radius of a round angle specified chord length, calculated from the starting point coordinates and end coordinates of the line constitutes a specified distance and specified direction of the vertical space coordinate algorithm