levelsetImage

基于pm谱模拟海浪高度场.产生二维的随机海面(based on pm spectrum simulation of 2-D sea surface)

应用MATLAB软件编程绘制庞加莱截面图，生成皮诺曲线的过程(动画) ，分形地图，离散的蔡氏电路， 抛物线-k*x^2+(k+1)*x混沌分岔行为等。(fractal pattern)

通过霍夫变换，实现延直线上信号的积累，达到提高信噪比的目地，以利于检测。(By Hough transform, the accumulation of signals in the certain straight line, to improve the SNR of the signal.)

说明：  该程序模拟了海浪的三维动态仿真，展示了随机海风作用下，波浪的运动。(The program simulates the three-dimensional dynamic simulation of ocean waves)

制作二维地形,并且可以对其添加线表示，还可以做分层设色二维地形图图(Dimensional terrain)

利用分形和混沌理论，生成十分精美的2维图形。有多种参数可以对图形进行控制。(use fractal and chaos theory, generate very attractive two-dimensional graphics. A number of parameters can control graphics.)

本编程用于求解点到曲面的距离，快捷便利。(Solving the Distance from Point to Surface)

用c编写的雷达扫描动画程序，非常像潜艇上的雷达。(c prepared using the radar scan animation process, as is the submarine's radar.)

在各种图形中，通过提取点的凹凸部分来鉴别曲线的特征，本节代码利用曲率关系分别提取凹点的个数，判断曲线的弯曲(In a variety of graphics, through the extraction point to identify curves convex-concave part of the characteristics of the code used in this section were extracted from concave curvature of the relationship between the number of points to determine the bending curve)

《计算机辅助几何设计与非均匀有理B样条》(Computer aided geometric design and nonuniform rational B spline)