on graphics programming curves and surfaces (source)

你不可能有的CAD读写程序，主要用于打开CAD产生的各种文件，如：dwg,dwf等，可以提取图章信息-You can not have program for reading CAD,but you can open all kinds of files made by CAD, such as dwg,dwf etc. you get the information of picture

CAD基本入门文档，定位，基本操作，很适合新手-CAD basic introductory document, positioning, basic operation, it is suitable for novice

显示和输入报表的源程序-display and entry statements of the source

一个简单的绘图程序，有背景图片，适合初学者学习 绘制图形，包括设置颜色，线条粗细，-A simple drawing program, there are background images, suitable for beginners to learn drawing graphics, including the erection of color, line thickness,

用directx和c写的立法体变换程序，可以实习立法体的缩放平移等-using DirectX and c write transform the legislative body procedures, the internship legislative body, such as scaling translation

视觉定位系统，对孔程序，应用在各大视觉定位系统；美国cognex公司的核心-Visual positioning system, the procedures of the hole, applied in the major visual positioning system U.S. Cognex

检测圆形目标的程序，可以在大面积的图象中检测出多个圆形目标-Circular target detection process, you can image a large area detected in more than a circular target

关于bmp读写的程序-on reading and writing procedures

对窗体中所画的多边行添加晕线的小程序，在测量中可以用来制作特殊符号。-right Window painting by the multilateral OK to add a small ray halo procedure, the measurement can be used for the production of special symbols.

一个绘制三次B样条的类，可通过型值点计算控制点，可进行拆分，可计算拟合误差-a cubic B-spline drawing of the category, through point-value calculation control points can be split, translate fitting error