创建空间索引结构R树的源程序，解压后的文件中有readme文档。...

实现了距离权重倒数插值的功能。地理信息系统DEM中常用到的算法。-Realize the distance weighting interpolation countdown function. DEM Geographic Information System used in the algorithms.

鹰眼代码MapxVBVC-Hawkeye code MapxVBVC

VB6.0+MAPX

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

在mapx中实现鼠标滚轮响应放大缩小的功能-Mapx achieved in response to mouse wheel zoom function

一个 GIS 程序源代码-a GIS program source code

地图比例尺绘制的源代码，演示了多种不同的地图比例尺-map scale mapping of source code, demonstration of a wide range of map scale

本系统有别于其它的公交线路查询系统，将地铁和轨道交通纳入了换乘范围 ，可设置不同的搜索条件，如优先选择地铁、少的换乘、少的费用、时间最少等条件，得到满足要求的换乘路线-The system is different from the other bus line inquiry system, subway and rail transportation will be included in the scope of the change can be set up different search criteria, such as the preferred choice subway, take less and less cost, time and other conditions at least, be meet the requirements of the transfer line

用vc开发gis程序的代码，电子书可以在网上下载，希望大家多贡献多交流-with vc development gis procedure code, e-books can be downloaded from the Internet, we hope that the contribution to more exchanges

WIN XP下操作并口的最好控件，有中断、位等，代码DEMO很丰富。-WIN XP parallel port to operate under the best control, have interrupted, etc., code DEMO very rich.