[Gmsh] negative z values in version 4.3.0

[Christophe Geuzaine]

> On 18 Feb 2020, at 11:35, Komal Kumari <komu06c at gmail.com> wrote:
> 
> Thank you for the clarification. Is there any other way to compute plane surface in this type of problems with large variation in z values?

There is no plane surface that goes through the points you specified...

Christophe

> 
> On Tue, Feb 18, 2020 at 1:00 PM Christophe Geuzaine <cgeuzaine at uliege.be> wrote:
> 
> 
> > On 18 Feb 2020, at 07:06, Komal Kumari <komu06c at gmail.com> wrote:
> > 
> > I am generating msh file in version 4.3.0 and exporting it in version 2 ASCII format because I have written code to read 2.2 0 8 MeshFormat. In it some of the z-coordinate are showing negative values. However, if I am generating msh file in version 2.7.0 using the same geo file used earlier, no negative values is there but appropriate Physical names are not coming.I am attaching geo file ad msh file of both version. Please let me know how to tackle negative z values.
> > 
> 
> Your "plane surface" is not plane: the z-coordinates of points on its boundary range from 1 to 102.
> 
> Newer versions of Gmsh compute the "best" plane surface computed in the least-square sense.
> 
> Christophe
> 
> > <xyz_full.geo><xyz_version_2.7.msh><xyz_version_4_format_2.2>_______________________________________________
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> — 
> Prof. Christophe Geuzaine
> University of Liege, Electrical Engineering and Computer Science 1 
> http://www.montefiore.ulg.ac.be/~geuzaine
> 
> 
> 

— 
Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science 
http://www.montefiore.ulg.ac.be/~geuzaine