[Gmsh] Two overlapping spheres

[Christophe Geuzaine]

On 05 Apr 2013, at 12:46, "Zenker, Dr. Matthias" <Matthias.Zenker at erbe-med.com> wrote:

> Sounds promising. Do you have an approximate idea when a beta will be available for testing...? ;)
> 

not yet...

>> -----Ursprüngliche Nachricht-----
>> Von: Christophe Geuzaine [mailto:cgeuzaine at ulg.ac.be]
>> Gesendet: Freitag, 5. April 2013 12:33
>> An: Zenker, Dr. Matthias
>> Cc: gmsh at geuz.org list
>> Betreff: Re: [Gmsh] Two overlapping spheres
>> 
>> 
>> On 05 Apr 2013, at 12:21, "Zenker, Dr. Matthias" <Matthias.Zenker at erbe-
>> med.com> wrote:
>> 
>>> Hi Christophe,
>>> 
>>> since you are working on "real" CAD routines: Do you also plan to
>> implement a possibility to detect and merge duplicated surfaces (including
>> partial overlaps) on CAD level? The "cut and merge faces" does not work in
>> quite some cases...
>>> 
>> 
>> Indeed. The current idea for the OpenCASCADE port is to rewrite the model
>> factory using the Salome/FreeCAD routines.
>> 
>> 
>>> Matthias
>>> 
>>> 
>>>> -----Ursprüngliche Nachricht-----
>>>> Von: Christophe Geuzaine [mailto:cgeuzaine at ulg.ac.be]
>>>> Gesendet: Donnerstag, 4. April 2013 13:15
>>>> An: Songting Luo
>>>> Cc: gmsh at geuz.org
>>>> Betreff: Re: [Gmsh] Two overlapping spheres
>>>> 
>>>> 
>>>> On 27 Mar 2013, at 00:40, Songting Luo <luosongting at gmail.com> wrote:
>>>> 
>>>>> Dear All,
>>>>> 
>>>>> I want to generate a 3D mesh for two overlapping spheres.  How can I
>>>>> combine these two spheres as one single object (as a union), and
>>>>> generate
>>>> the mesh?  Please let me know, thank you very much.
>>>>> 
>>>> 
>>>> Gmsh's internal small CAS engine does not compute boolean operations;
>>>> you'll need to either create the geometry directly (computing the
>>>> intersections yourself), or use a CAD modeler (e.g. Freecad) to
>>>> create the geometry and export e.g. in STEP.
>>>> 
>>>> We are working toward integrating "real" CAD creation routines in
>>>> Gmsh, but it's not ready yet for general use.
>>>> 
>>>>> 
>>>>> best,
>>>>> 
>>>>> Luo
>>>>> _______________________________________________
>>>>> gmsh mailing list
>>>>> gmsh at geuz.org
>>>>> http://www.geuz.org/mailman/listinfo/gmsh
>>>> 
>>>> --
>>>> Prof. Christophe Geuzaine
>>>> University of Liege, Electrical Engineering and Computer Science
>>>> http://www.montefiore.ulg.ac.be/~geuzaine
>>>> 
>>>> 
>>>> 
>>>> 
>>> 
>>> 
>>> 
>>> 
>> __________________________________________________________
>> ___________
>>> ERBE Elektromedizin GmbH
>>> Firmensitz: 72072 Tuebingen
>>> Geschaeftsfuehrer: Christian O. Erbe, Reiner Thede
>>> Registergericht: Stuttgart HRB 380137
>>> 
>> 
>> --
>> Prof. Christophe Geuzaine
>> University of Liege, Electrical Engineering and Computer Science
>> http://www.montefiore.ulg.ac.be/~geuzaine
>> 
>> 
> 
> 
> 
> _____________________________________________________________________
> ERBE Elektromedizin GmbH
> Firmensitz: 72072 Tuebingen
> Geschaeftsfuehrer: Christian O. Erbe, Reiner Thede
> Registergericht: Stuttgart HRB 380137
> 

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