IP地址归属地解析动态库

各高校（北京大学、武汉大学、南京大学、华东师大）地理信息相关专业硕博历届考试题-Colleges and universities (Peking University, Wuhan University, Nanjing University, East China Normal University) Geographic information relevant professional examinations硕博successive title

一个使用mapx的gis例子！-a use MapX the gis example!

MO开发GIS打印输出的应用实例。 MO开发GIS打印输出的应用实例。-MO development of GIS application printout. MO development of GIS application printout.

gis学习很重要！如果你喜欢建议你学一下！值得！我感觉还能不错！-sfsfsfsfdfdf

关于GIS中的地图符号的Demo，具有一定的参考价值-on the GIS map symbols Demo, with some reference value

测绘遥感领域，高斯投影。实现地理位置的正算和反算。输出结果-Mapping the field of remote sensing, Gaussian projection. Realize the positive operators and location backcalculation. Output

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

将不规则三角网（TIN）转换为Point输出-will TIN Network (TIN) converted to Point output

一本关于GIS开发的书籍，撰写明细，对于初步了解GIS开发者有启迪作用-one on the development of the GIS books, writing detailed, for a preliminary understanding of GIS developers have inspirations