（1）可以图示地设计GST函数；（2）可以执行点运算；（3）可同时显示输入和输出图像以及它们的直方图-(1) can icon design GST function; (2) can be implemented point arithmetic; (3) can also show the input and output images and their histogram

㈠ 点的基本运算 ㈡ 线段及直线的基本运算 ㈢ 多边形常用算法模块 ㈣ 圆的基本运算 矩形的基本运算 -Ii i point the basic operations of basic arithmetic straight line segment and polygon commonly used algorithm module iii iv rounded rectangular basic operations basic operations

几何算法大全，包含大量的几何算法的C++源码。如点、线、面的几何要素计算等。非常实用。-Geometric algorithms Daquan, contains a large number of geometric algorithms in C++ source code. Such as point, line, plane geometry factor calculation. Very practical.

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