在C++环境下，实现画圆，方便实用，简洁快速

GIS最基本功能：源码实现矢量数据（dxf格式）和栅格数据（dem格式）的打开。-GIS basic functions : Vector data source (dxf format) and raster data (dem format) the opening.

本文档内的程序实现了图形的相交-相切运算，对于进行计算机图形操作的人员具有借鉴意义-The procedures of this document implements the graph intersection- tangent operator for the operation of computer graphics to be learned by the staff

fingerprint recogination

直线的DDA,bresenham算法画图 圆的bresenham算法画图 椭圆的bresenham算法画图 均匀B样条曲线算法画图 多边形的Y-X填充算法画图 动态三维立体图形的正透视投影图-linear DDA, bresenham algorithm for drawing a round of bresenham algorithm to draw the ellipse drawing algorithm bresenham uniform B-spline curves polygon drawing algorithm Y-X filling algorithm drawing dynamic 3D graphics is the perspective projection map

摄像头不能正常工作!请检查后，再试!"摄像头不能正常工作-camera normal work! Please check, and try again! "The first camera was not working properly

MPCA一个博士编写的多线程pca变换方法，内含发表论文-Dr. MPCA prepared a multi-threaded PCA transform methods, including papers

Viterbi是一种常用的算法，此程序介绍了Viterbi的编码算法，并测试通过。

图像压缩的霍夫曼编码算法-image compression encoding algorithm Hoffman

CDib类，实现图像的读、写、显示等基本功能。功能完整，代码可靠。-CDib category, achieving image reading, writing, basic features, such as display. Functional integrity, and reliable code.