last_linfit

GIS专业入门必修课-多边形左转算法，首先在屏幕上点取点，后连接三角形，最后自动形成多边形。(GIS professional entry courses- turn left polygon algorithm, the first check point on the screen points, after connecting the triangle, and finally form a polygon automatically.)

说明：  将月数据合成该年的年数据，可节约处理数据时间(Combine monthly data with annual data for that year)

silverlight_map 基于silverlight 开发地图，有简单的功能适合初学。。。(silverlight_map based silverlight development map, a simple function suitable for beginners. . .)

ArcGIS Diagramer User Guide

logistics分岔图，可观察到倍周期分叉的现象(logistics bifurcation diagram)

Matplotlib是Python常用的数据绘制包，其绘图功能强大；而Basemap则是Matplotlib的一个子包，负责地图绘制。本文简单介绍如何利用该程序包绘制风向图( Matplotlib is commonly used data drawn Python package, its graphics and powerful and Basemap is a child Matplotlib package, responsible for mapping. This article briefly describes how to use the package to draw wind rose)

OMON 奇迹MU1.03H，1.00.90服务端，内带C++源码，功能齐全[更新](OMON miracle MU1.03H, 1.00.90 service side, which with C++ source code, complete functions)

idl环境下海量数据批处理的编写界面创建和初始化代码(idl batch environment, massive data creation and initialization code to write the interface)

mapgis二次开发空间分析员程序代码可供二次开发人员参考(MAPGIS secondary development of space analyst program code for the secondary development of reference)

point set registration