在Delphi环境下调用AutoCad，并增加相应模块，能在Cad中进行维作图...

关于中心画圆算法，通过计算x = 0到 y = 0 的1/4椭圆的范围，然后通过对称原理得到其他3/4个点的信息。(R2表示椭圆厂轴的半径） -Center Circle on the algorithm, by calculating the x = 0 to y = 0 1/4 of the scope of an oval, and then adopted the principle of symmetry other 3/4 point information. (R2 that elliptical plant axis radius)

purpose simulates embedding and detection of watermark in random noise using QIM (quantization index modulation), uses non-linear scaling compile gcc -g -o nlqim nlqim.c -lm -purpose simulates embedding and detectio n of watermark in random noise using QIM (quanti index modulation. 5), uses non-linear scaling compile gcc-g-o nlqim nlqim.c- lm

可以将bmp图像数据保存为tiff格式文件，提供了足够的接口函数-Bmp image data can be saved as a tiff format, has provided sufficient interface function

一个很酷的多地区时间显示,视角是从北极往下看的地球.-a cool much of the time, the perspective is to look down from the North Pole of the Earth.

vb（CAD）绘图程序 源代码 采用visual basic 与CAD 结合-vb (CAD) drawing program using visual basic source code for integration with CAD

卡拉ok字幕效果显示-karaoke subtitles results show

JPEG2000压缩解压程序-JPEG2000 compression decompression procedures

一种旋转线条的算法-a revolving lines of the algorithm

2D图形算法，基于三次样条插值的曲线绘制，用MFC开发。-2D graphics algorithms, based on cubic spline interpolation of the curve drawn with MFC development.

利用processing2.1软件，做出信息可视化的一个theme river layout，来展示我国人口年龄与受教育程度的关系