ENVI二次开发常用功能代码

说明：  一个牛人做的GIS系统写的开发文档，具有很强的参考价值。。。(Cattle are doing a GIS system, the development of written documents, has a strong reference. . .)

将UTM下的平面坐标转换为地理坐标，参考椭球均为WGS84(Converts the plane coordinates under UTM to geographical coordinates)

mapinfo格式的全国地图，矢量图，适合mapx使用开发，也可以被二次开发。(Mapinfo format of the map, vector diagram, suitable for mapx development, can also be secondary development. )

ArcGIS Diagramer User Guide

地理信息系统设计ArcView的二次开发.ArcView软件是一套辅助用户组织、维护、显示、分析和传播地图与空间信息的传输工具，它为用户提供了进行空间决策的框架，空间处理能力及建立数学模型 (geographic information system design ArcView the secondary development. ArcView software is a supplement to household organization, and maintenance, display, analysis and dissemination of maps and spatial information transmission tool, It provides users with a space policy framework, the capacity and space mathematical model)

说明：  ArcGIS二次开发何及，包括ArcGIS engine开发实例教程，中文开发指南清洗版，ArcGIS Engine轻松入门，ArcGIS Engine10开发手册(ArcGIS secondary development, including ArcGIS engine development examples tutorial, Chinese development guide cleaning version, ArcGIS engine easy introduction, ArcGIS Engine10 development manual)

Arcgis Engine 更新改Mxd数据源(Arcgis Engine Change DataSource.rar)

mapx在vc++环境下的开发与应用实例，实现地图放大缩小等功能(MapX in vc++ environment development and application examples, realize the functions of map zoom)

中国主要的河流、湖泊地图，矢量(shp)格式(Map of main rivers and lakes in China, vector (SHP) format)

Douglas Peucker算法的matlab实现，应用于地图制图中的综合制图。其中有中国地图数据加以验证。可以自设threshold。(The matlab implementation of Douglas Peucker algorithm is applied to cartographic generalization in cartography. Among them, the map data of China is verified. You can set threshold yourself.)