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本程序是计算机图形学课程设计的程序，包含用各种算法绘制直线、圆、曲线，填充，剪裁等，有助于计算机图形学的学习与实践。(This procedure is a computer graphics curriculum design process, including the use of various algorithms to draw lines, circles, curves, filling, cutting, etc., help to learn and practice of computer graphics.)

配电箱正视图，用2010CAD画的，通过图形可以看出每个部分的功能(A front view of the distribution box, with 2010CAD painting, it can be seen through the pattern of each part of the function)

关于五次B样条曲线的程序和实例分析,可以参考(About Five order b-spline curve program and example analysis，and refernce)

使用MFC创建单文档程序，在界面上画圆，单击可使圆放大、变色(MFC SDI DRAW CIRCLE, CLICK TO INFLATE THE CIRCLE AND CHANGE ITS COLOR)

DDA算法画直线，可以实现在网格下逐点画直线。(DDA algorithm for drawing straight lines, can be achieved in a grid-by drawing straight line.)

说明：  PSCAD线路故障仿真模型，可供初学者参考使用(PSCAD line fault simulation model can be used for reference by beginners.)

The figure used to draw the feedback on a layout.

采用幅相控制的高压直流输电HVDC的PSCAD仿真模型(PSCAD simulation model of HVDC Using amplitude and phase control)

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

lighting simulation in pscad