用vb对cad进行二次开发的几个简单功能，包括画表格等

Ageia s PhysX(Game Physis lib) Usage with D3D - base Geometry (need physx lib, download from nvidia homepage)-Ageia s PhysX(Game Physis lib) Usage with D3D- base Geometry (need physx lib, download from nvidia homepage)

可是化语言IDL的，绘图的鼠标处理程序。用欲对鼠标的控制，分析。控制事件

正交变换API函数库-orthogonal transformation API Functions

本人搜集到的计算机图形学的一些DDA直线算法源码及其程序。-I collected a number of computer graphics DDA line algorithm source code and its procedures.

利用在Visual C++ 6.0环境下创建MFC AppWizard(exe),实现以屏幕客户区中心为圆心绘制任意直线，单击裁剪和中点裁剪分别对直线进行裁剪。-Take advantage of Visual C++ 6.0 environment to create MFC AppWizard (exe), to achieve a center-screen client area centered on drawing an arbitrary line, click the mid-point of cutting and cutting to cut a straight line, respectively.

经典画圆程序，C语言版，建立了坐标系，用户只需要输入圆的半径。-classic Circle procedures, C language version, a coordinate system, the user need only input the circular radius.

使用GDI＋ 实现文字旋转的例子-use GDI+ text rotation example

基于颜色直方图的方法以上是具体实现设想，程序实现如下-Color histogram-based method is more than the specific implementation is envisaged that implementation procedures are as follows

都是关于图形图像的代码-are graphic images of the code

计算机图形学之三次B样条曲线的绘制源码及其程序。-Computer graphics of the three B-spline curve drawing source and its procedures.