[Gmsh] bug: generate counter-clock and clockwise triangle at the same time

wjian.cd at gmail.com wjian.cd at gmail.com
Thu Apr 23 08:36:27 CEST 2015



I konw why this happen now. The normals are in different direction:

<https://lh3.googleusercontent.com/-6OMRqDXwArc/VTiR6VnQGnI/AAAAAAAAA2I/8zZ2KxGTZuo/s1600/Image.png>

The normal direction can be changed by following command:

Plane Surface("circle") = {*-1*};




在 2015年4月17日星期五 UTC+8下午11:38:37,wjia... at gmail.com写道:
>
> gmsh version: 2.8.5 & 2.9.2 windows
>
> global size factor: 0.3
>
> counter-clock and clockwise triangles are generated at the same time. The 
> following two triangle are not in the same direction:
>
> 13 2 2 3 12 *6 20 23*
> 14 2 2 3 12 *20 22 23*
>
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