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这是一个很不错的 4-D 多面体绘图程序。内附详细说明(This is a very good 4-D polyhedron mapping procedures. Containing a detailed description)

可将.txt数据转化为grd数据，用于grads画站点图(.txt data can be converted to GRD data for grads drawing site map.)

计算两条曲线的相似度，作为判断两条曲线相似度的依据(to calculate the frechet distance of two curves)

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)

说明：  一个绘制Voronoi图和Delauany三角剖分的程序，并且给出了求凸包的算法。该程序可以演示如何进行三角剖分，帮助你理解整个剖分过程。(a Voronoi diagram mapping and triangulation Delauany procedures, and is seeking a convex hull algorithms. The procedure can demonstrate how triangulation, and help you understand the subdivision process.)

基于Bresenham算法的四步画直线算法,加快画直线速度(draw line based Bresenham update alogrith)

伯努利信源在汉明失真下的限失真函数，函数值计算，曲线绘制(Bernoulli source in the Chinese Ming distortion of the limited distortion under function curve)

计算机图形学_实体构造实验，典型的实体空间旋转(Computer graphics _ entity structure experiments, the typical physical space rotation)

畫一多角形 三角形 四角形 五角形 和移動等功能(Draw a polygon triangle square pentagon and mobile features)

dnc file for plotter