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

[Anton Gladky]

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


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
>
> --
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