用风险投资实现，类似于放大和缩小的过程中的地理信息系统的功能。

关于mapx方面的开发资料-on the development of information

基于物理的大气效果实时绘制，利用查询表的方法，对颜色进行实时的计算查找，可以用于大型的仿真系统中-Physics-based real-time rendering of atmospheric effects, using look-up table method for calculating real-time color to find, can be used in large-scale simulation system

首先安装MapX组件，在VC中进行加载，本程序利用对话框模式实现MapX的调用，能够进行放大等地图浏览功能-first install components in VC for loading, the use of dialog procedures Mode MapX called, is able to enlarge the map browsing, etc.

自定义生成DXF文件组件库，包括画线、点、圆弧、圆/椭圆、文字、多边形、填充等等20多个功能。-Custom component library to generate DXF files, including the painting line, point, arc, circle/ellipse, text, polygon, filling more than 20 features and so on.

vb开发的GIS电子地图,查询，放大等功能-vb development of GIS electronic map, query, zoom and other functions

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.

一个非常好的MapX开发实例，首先要制作.gst文件，在上传的实例中以有“bigchina.gst-a very good example of MapX development, the first production. Aging documents in the case were uploaded to a "bigchina.gst

在地理信息系统数据中，有些数据储存过大，要进行压缩！-In the geographic information system data, some data is too large to be compressed!

数字地理信息系统mapinfo应用大全源代码-Digital Geographic Information System MapInfo application source code Daquan

MapGIS-IMS开发实现了地图加载、地图查询实例-MapGIS-IMS developed to achieve the map loading, map query instances