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很好的齿轮cad参数化设计程序，能够进行直齿轮和斜齿轮的参数化设计和cad绘图输出(Cad good gear parametric design process, can spur gear and helical gear parametric design and cad graphics output)

杜晓增计算机图形学基础Bresenham法画圆源程序(Du Xiaozeng computer graphics based Bresenham law circle source program)

PSCAD风机（异步机）+SVC无功补偿模型(PSCAD wind SVC)

matlab图形逻辑处理程序，好程序共同分享。(matlab graphical logic handler, a good program to share.)

简单的画图程序，我的图形学实验作业，还未整个完成(simple drawing program, my graphics experimental operation, it has not yet completed the entire)

ACIS的动态链接库，是AUTO CAD的几何内核(The dynamic link library ACIS is AUTO CAD geometry kernel)

在AutoCAD中添加一个自定义分页侧边栏。(In AutoCAD add a custom tab sidebar.)

当用户按下鼠标左键在如下图所示的面板上移动鼠标时，根据鼠标的移动轨迹在面板上画图。(When the user presses the left mouse button on the panel as shown in the following figure to move the mouse, according to the mouse movement trajectory in the panel drawing.)

open cascade 二维图形生成例子程序(open cascade two-dimensional graph of sample program)

dxflib-3.3.4-src ，dxflib是一个用来读写DXF文件的C++库。当读DXF文件的时候,dxflib分析文件并且调用用户自己定义的函数来添加实体、层、等。(dxflib-3.3.4-src，dxflib is an opensource C++ library for reading and writing AutoCAD (R) DXF files. )