开关量控制应用，利用板卡控制外部设备，性能可靠

色调均匀，暗红或黑色，分布于河岸处，形状规则。 红或深绿色，有纹理结构和明显的灌渠，形状规则，分布于河谷、河流两岸冲积平原。 -uniform colors, or black dishes, distributed in the bank, the shape of the rules. Red or dark green, texture and structure of the irrigation channels clear shapes and distribution in the valley, rivers alluvial plain.

MATLAB和VC++混合编程实现行程编码压缩，以VC++为主要平台，采用混合编程的形式，用MATLAB来调用MEX函数所编写的DLL，实现文件压缩。-MATLAB and VC++ Matlab Coding trip to VC++ As the main platform, the form of hybrid programming using MATLAB function to call the MEX prepared DLL, file compression realize.

Mapx中鹰眼的实现对初学者有很大的作用-Eagle Eye MapX in the realization of the role of a great beginner

vb+mapobject实现地图匹配 并重写回数据库-MapMatching Program by Vb+Mapobjects

one route algorithms in c

对《数字高程模型》，本文件对其进行了详细的说明，相信能对读者起到一定的帮助作用。-Of digital elevation model , this document is its detailed description, I believe that the readers can help play a role.

功能：坐标转换通用函数TRansCoo（已应用多年，正反算误差在1mm以内） 作者：倪尧    QQ：627957087 请点击左侧文件开始预览 ！预览只提供20%的代码片段，完整代码需下载后查看 加载中 侵权举报

数字摄影测量中的坐标转换,主要涉及坐标系的旋转，平移-digital photogrammetry coordinate conversion, mainly related to the rotating coordinate system, the translation

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。第二部分-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. Part II

用openGL调用ERIS的*.shp格式的地图文件-ERIS with openGL call of the*. shp format map files