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三角网格法画等值线

上传者: du18254261003 | 上传时间:2023/12/13 5:50:02 | 文件大小:1.9MB | 文件类型:rar
三角网格法画等值线
等值线是一种离散数据的图形表示方法,在水利、土木、地质、石油勘探等工程和技术领域内广泛的应用。
常规的等值线绘制通常采用网格法,其绘制的步骤一般为:离散数据网格化;
等值点的计算;
等值线的追踪;
光滑和标记等值线等。
等值线图的显示方式一般有两种:(1)等值线显示,即采用线条上加注数值标记的方式显示数据,这种方式的特点是简捷;
(2)采用彩色填充的方法来显示数据,既用不同的颜色来显示不同的数据,这种方法的特点是比较直观。
两种方法的计算机实现也各不相同,一般来说,它们都需要将数据进行要用到的网格网格化。
第一种方法必须进行等值线的追踪、光滑和标记等值线。
而第二种方法可以在追踪出等值线的基础上进行,也可以不做等值线的追踪直接在网格数据上进行操作。
方法实现的难易程度各不相同

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评论信息

  • kakoii-ss:
    效果不错啊2018-05-29
  • serverun:
    有用!谢谢!!2018-02-07
  • zyang1234:
    很不错的算法,注释详细,值得学习。2016-08-31
  • yjyj8181:
    用这个画了个地下水的等值线图.还不错,就是有几个小bug,一在匹配节点的时候没有做微量偏差,二在填充颜色的时候有个判断有问题,导致填充不完整.如有需要修改后源代码的同学,可以发邮件到27148861@2016-03-09
  • bbb102424:
    还可以吧,比较详细2015-03-17

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