visio

强大的开源画图控件Zedgragh，包含控件源码，Demo示例代码和帮助文档，分为Winform版和WebForm版。(Powerful open source drawing controls Zedgragh, including source control, Demo sample code and help document is divided into Winform version and WebForm version.)

中点画圆与中点画直线 二维图形变换 多边形填充 计算机图形学实验(The midpoint Circle draws line in two-dimensional graphics transform polygon fill, computer graphics experiments)

极其简单的MFC画图小例子，但是可以学到很多的基本知识，不错的例子，微软出品！！！！(Extremely simple MFC drawing small example, but you can learn a lot of basic knowledge, a good example, Microsoft Publisher! ! ! !)

说明：  问题的提出：根据“心”形曲线的数学参数方程，绘制曲线并输出屏幕。在各坐标点处循环显示“LOVE”的各字母。 编程思路：“心”形曲线的数学参数方程为: (Of the problem: According to the &quot heart&quot -shaped mathematical curve parameter equation, drawing curves and output screen. Coordinates of points in the cycle show &quot LOVE&quot in the letter. Programming idea: &quot heart&quot -shaped mathematical curve parameter equation:)

cad提取文字坐标 能提取文字所在点的坐标值并保存到text中 (cad text extraction coordinates coordinates of the text can be extracted and saved to the point where the text of the)

非常强大的光学仿真软件，可以模拟光线的反射、折射、以及绘制各种像差曲线例如球差、色差。(Very powerful optical simulation software can simulate light reflection, refraction, and the mapping of various aberrations such as spherical aberration curves, color)

电力系统两机振荡仿真分析，500kV交流线路(Two machine oscillation in power system in PSCAD.)

基于频散曲线，选择抽样脉冲信号作为子波，推导出了合成单炮面波地震记录的理 论公式，并利用该公式，针对不同弹性层状介质模型的频散曲线合成了面波地震记录。(Based on the dispersion curve, select the sampling pulse signal wavelet derived synthetic single artillery surface wave seismogram theoretical formulas, and the use of the formula, seismogram synthesis of surface wave dispersion curves for different elastic layered media model.)

对图片进行网格划分，以及绘图获得区域，最终获得灰度矩阵(Mesh the image, and draw the region to obtain the gray scale matrix)

说明：  PSCAD SVG 瞬时无功功率 派克变换 瞬时无功功率(PSCAD SVG )