一种很实用的扫描算法，主要功能是通过两次扫描找出正方形区域内集聚中心。...

OPEN-GL地图-OPEN-GL Map

ArcGIS Engine为用户提供了整套功能强大的GIS框架，本文档介绍如何快速的建立和发布使用ArcGIS Engine定制的GIS应用程序。第一部分。-ArcGIS Engine provides users with a full set of powerful GIS framework, this document describes how to quickly build and publish using ArcGIS Engine customized GIS applications. The first part.

基于windows mobile的gis开源代码-Windows mobile based on the gis open-source code

一个可以重命名workspace 的程序。 演示了如何生成一个com 组件。-You can rename a workspace procedures. Demonstrates how to generate a com component.

A link exchange (also known as a banner exchange) is a confederation of websites that operates similarly to a web ring. Webmasters register their web sites with a central organization, that runs the exchange, and in turn receive from-A link exchange (also known as a banner exchange) is a confederation of websites that operates similarly to a web ring. Webmasters register their web sites with a central organization, that runs the exchange, and in turn receive from

gdal是开发GIS 的重要库,可以操作栅格与矢量数据，这是最新的已编好的库，与visual 2005,2008 直接应用-gdal important is to develop GIS database, can operate grid and vector data, which is the latest has been a good library, with the direct application of visual 2005,2008

应用背景在物力大地测量学中，重力异常的计算，需要测量计算点的重力值和计算测量点的正常重力。计算正常重力时，需要已知计算点大地坐标，即经度、纬度和大地高，如果采用GPS采集数据，那么获得的大地坐标的参考椭球是WGS84。关键技术此程序，采用WGS84参考椭球参数，因此输入数据为WGS84大地坐标，顺序为，纬度、经度、大地高。输入文件为，Input.dat。输出文件为，output.txt。计算结果为，椭球面以上高程为h处的正常重力。如果将大地高设为0，那么计算结果为此点处参考椭球面上的正常重力。

gis二次开发, 本系统可以查询各个车次的各个站点,用户可以清楚该线路各个站点的名称,本系统操作简单,适合大众用户使用.

简化DXUT框架,保存了基本的功能,设备创建,回调函数注册,适合新手学习-DXUT simplified framework for the preservation of the basic functionality, equipment to create, register a callback function, suitable for novice learning

针对Mapinfo平台的开发源码-against Mapinfo open source