imagegrey图像灰度化的三种常见算法

实现位图的淡入淡出显示-fades out of the show

GeoTiff读写,利用文件映射可以操作大文件-GeoTiff

通过忽略精度 有24位bmp转为16位img压缩图片 ，生成的图片在嵌入式环境内读取速度很快，相应的文件查看软件请下载ImgViewer-Through neglect precision 24-bit bmp into 16 img compressed picture, the picture generated in the embedded environment to read fast, the appropriate file to view software download ImgViewer

Visualc+OPENGL的经典3d游戏。-Visualc+ OPENGL classic 3d games.

source目录下为本章介绍的源程序功能是腐蚀，膨胀，细化算法-source directory for the chapter describes the source function is corrosion, swelling, thinning algorithm

delphi 源码,对位图的操作,如旋转等 使用函数实现,建议直接看源码,界面很难看-delphi source of bitmap operations such as rotation, such as the use of function, it is recommended to see a direct source, the interface is difficult to see

可以实现用双缓冲技术进行绘图，使画面看起来并不怎么闪烁。-Can be achieved with double buffering technology mapping, how to make the screen does not seem to flicker.

这是一个1:400万比例尺的mapinfo环境下的道路mif数据 -This is a scale of 1:400 million MapInfo environment roads under the MAP data

visual c++ 环境下利用ＡＤＯ技术处理BLOD并与数据库进行交互操作-visual environment using ADO BLOD handling and interaction with the database operation