Bug#751464: gmsh: Merge "..." + Translate gives wrong mesh

[Christophe Geuzaine]

On 18 Jun 2014, at 22:37, Anton Gladky <gladk at debian.org> wrote:

> Thanks Christophe for the quick fix!
> Are there any plans to release a newer GMSH version soon?
> 

Yes, 2.8.5 should be released at some point in July.


> 
> Anton
> 
> 
> 2014-06-18 22:28 GMT+02:00 Christophe Geuzaine <cgeuzaine at ulg.ac.be>:
>> 
>> On 13 Jun 2014, at 10:31, Ansgar Burchardt <ansgar at debian.org> wrote:
>> 
>>> Package: gmsh
>>> Version: 2.8.4+dfsg-1+b1
>>> Severity: normal
>>> 
>>> Merging a .geo file and then translating the volume in it results in a
>>> wrong mesh.
>>> 
>>> I've attached an example: the unit cube (0,0,0) to (1,1,1) is
>>> translated along the z-axis. The translated cube is defined by the
>>> corners (0,0,1) and (1,1,2). However the resulting mesh has a node on
>>> the z=0 plane (where z should be 1) and another on the z=1 plane that
>>> belongs on the z=2 plane.
>>> 
>>> Run "gmsh -3 cube1.geo" or choose Mesh->3D in the GUI to reproduce the
>>> problem. One has to rotate the cube to see the problem. Or look at
>>> these nodes in the .msh file:
>>> 
>>>   9 0.5 0.5 0
>>>   10 0.5 0.5 1
>>> 
>>> The problem does not happen when using Include instead of Merge or
>>> when including the contents of unit-cube.geo directly.
>>> 
>> 
>> Thanks for the report; this is fixed in Gmsh SVN.
>> 
>> 
>> 
>>> Ansgar
>>> 
>>> -- System Information:
>>> Debian Release: jessie/sid
>>> APT prefers testing
>>> APT policy: (500, 'testing'), (100, 'unstable'), (1, 'experimental')
>>> Architecture: amd64 (x86_64)
>>> 
>>> Kernel: Linux 3.14-1-amd64 (SMP w/8 CPU cores)
>>> Locale: LANG=C.UTF-8, LC_CTYPE=C.UTF-8 (charmap=UTF-8)
>>> Shell: /bin/sh linked to /bin/dash
>>> 
>>> Versions of packages gmsh depends on:
>>> ii  libann0                      1.1.2+doc-5
>>> ii  libblas3 [libblas.so.3]      1.2.20110419-7
>>> ii  libc6                        2.19-1
>>> ii  libfltk-gl1.3                1.3.2-5
>>> ii  libfltk-images1.3            1.3.2-5
>>> ii  libfltk1.3                   1.3.2-5
>>> ii  libgcc1                      1:4.9.0-5
>>> ii  libgl1-mesa-glx [libgl1]     10.1.4-1
>>> ii  libgl2ps0                    1.3.8-1
>>> ii  libglu1-mesa [libglu1]       9.0.0-2
>>> ii  libjpeg8                     8d-2
>>> ii  liblapack3 [liblapack.so.3]  3.5.0-2
>>> ii  libmed1                      3.0.6-5
>>> ii  liboce-foundation8           0.15-4
>>> ii  liboce-modeling8             0.15-4
>>> ii  libopenmpi1.6                1.6.5-8
>>> ii  libpng12-0                   1.2.50-1
>>> ii  libstdc++6                   4.9.0-5
>>> ii  libtet1.5                    1.5.0-3
>>> ii  libx11-6                     2:1.6.2-2
>>> ii  mpi-default-bin              1.0.2+nmu1
>>> 
>>> Versions of packages gmsh recommends:
>>> pn  gmsh-doc  <none>
>>> 
>>> gmsh suggests no packages.
>>> 
>>> -- no debconf information
>>> <cube1.geo><unit-cube.geo><cube1.msh>
>> 
>> --
>> Prof. Christophe Geuzaine
>> University of Liege, Electrical Engineering and Computer Science
>> http://www.montefiore.ulg.ac.be/~geuzaine
>> 
>> --
>> debian-science-maintainers mailing list
>> debian-science-maintainers at lists.alioth.debian.org
>> http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/debian-science-maintainers

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