TIN triangle delaunay 构造三角网的经典算法，

TIN triangle delaunay 构造三角网的经典算法，是由乔纳森教授编写的原创算法，

/*****************************************************************************/
/*                                                                           */
/*    d88^^o 888                                   o    o                   */
/*    8888    888o^88  o88^^o Y88b    o    /      d8b  d8b      o88^^8o     */
/*    “Y88b   888  888 d888   b Y88b  d8b  /      d888bdY88b    d888  88b    */
/*     “Y88b 888  888 8888   8  Y888/Y88b/      / Y88Y Y888b   8888oo888    */
/*    o  8888 888  888 q888   p   Y8/  Y8/      /   YY   Y888b  q888         */
/*    “oo88P“ 888  888  “88oo“     Y    Y      /          Y888b  “88oooo“    */
/*                                                                           */
/*  A Display Program for Meshes and More.                                   */
/*  （showme.c）                                                               */
/*                                                                           */
/*  Version 1.6                                                              */
/*  July 28 2005                                                            */
/*                                                                           */
/*  Copyright 1996 1998 2005                                               */
/*  Jonathan Richard Shewchuk                                                */
/*  2360 Woolsey #H                                                          */
/*  Berkeley California  94705-1927                                         */
/*  jrs@cs.berkeley.edu                                                      */
/*                                                                           */
/*  This program may be freely redistributed under the condition that the    */
/*    copyright notices （including this entire header and the copyright      */
/*    notice printed when the ‘-h‘ switch is selected） are not removed and  */
/*    no compensation is received.  Private research and institutional     */
/*    use is free.  You may distribute modified versions of this code UNDER  */
/*    THE CONDITION THAT THIS CODE AND ANY MODIFICATIONS MADE TO IT IN THE   */
/*    SAME FILE REMAIN UNDER COPYRIGHT OF THE ORIGINAL AUTHOR BOTH SOURCE   */
/*    AND object CODE ARE MADE FREELY AVAILABLE WITHOUT CHARGE AND CLEAR    */
/*    NOTICE IS GIVEN OF THE MODIFICATIONS.  Distribution of this code as    */
/*    part of a commercial system is permissible ONLY BY DIRECT ARRANGEMENT  */
/*    WITH THE AUTHOR.  （If you are not directly supplying this code to a    */
/*    customer and you are instead telling them how they can obtain it for  */
/*    free then you are not required to make any arrangement with me.）      */
/*                                                                           */
/*  Hypertext instructions for Triangle are available on the Web at          */
/*                                                                           */
/*      http://www.cs.cmu.edu/~quake/sho

 属性            大小     日期    时间   名称
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     文件       1045  2005-07-27 16:08  triangle\A.poly

     文件       4805  2005-07-27 17:22  triangle\makefile

     文件       8727  2005-07-28 15:32  triangle\README

     文件     108795  2005-07-28 08:44  triangle\showme.c

     文件     650942  2005-07-28 15:11  triangle\triangle.c

     文件      21905  2005-07-28 11:33  triangle\triangle.h

     文件      10300  2005-07-27 16:54  triangle\tricall.c

     目录          0  2011-03-29 08:35  triangle

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