On 02 Aug 2012, at 10:00, Serban Georgescu <[email protected]> 
wrote:

> Hi Christophe,
> 
> Thanks for the quick reply.
> I have tried "-v 3" but that removes almost all meshing output, including 
> information that is quite useful to me (e.g. time taken in 2D and 3D meshing, 
> time for optimization, resulting number of elements). So I was looking for a 
> way that removes that extra output and leaves just the "important" 
> information. Basically, I would like to get something like it was for Gmsh 
> 2.5, when Netgen was not that verbose.
> Do you know a way to do this?

I've removed the "testout" in svn; this should match what we did in 2.5.

Thanks for the feedback!

> 
> Thanks again!
> Serban
> 
> On 2 Aug 2012, at 07:20, Christophe Geuzaine <[email protected]> wrote:
> 
>> 
>> Hi Serban - Use "-v 3" ?
>> 
>> On 01 Aug 2012, at 14:39, Serban Georgescu 
>> <[email protected]> wrote:
>> 
>>> Hi guys,
>>> 
>>> I am have been using Gmsh for an year or so with very good results (and I 
>>> am very grateful to the developers for the wonderful work).
>>> Recently, I switched to version 2.6 (from 2.5) and I found that for some of 
>>> the models the meshing time is much increased.
>>> 
>>> The main reason for this is the large amount of output that Netgen 
>>> generates.
>>> Basically, Netgen outputs loads of the following Info:
>>> 
>>> …
>>> Info    : Freezone:
>>> Info    : (0, 0, 0)
>>> Info    : (1.2, -5.5e-17, -3.1e-17)
>>> Info    : (-0.45, 1, 2.9e-18)
>>> Info    : (-2.3, 1.2, -0.31)
>>> Info    : (-0.54, 0.74, -0.1)
>>> Info    : (-0.96, 0.74, -0.1)
>>> Info    : (-0.38, 0.38, -0.1)
>>> Info    : Mapping found!!: Rule Tetrahedron Vis a Vis Point with 3 edges (1)
>>> Info    : 3 1 2 7
>>> Info    : 3 = 3
>>> …
>>> 
>>> Here are some results for one of the models:
>>> Gmsh 2.5 -> ~ 6 sec
>>> Gmsh 2.6 with output redirected to file à ~ 11 sec
>>> Gmsh 2.6 with output redirected to /dev/nullà ~ 8 sec
>>> Gmsh 2.6 with manually editingcontrib/Netgen/nglib_gmsh.cpp  by commenting 
>>> line 75 (//testout = new ostream(new mystreambuf());) and un-commenting  
>>> line 66 (testout = new ofstream ("test.out");) à ~ 5 sec
>>> 
>>> So basically, in this case, the extra verbosity from netgen makes the 
>>> mesher take twice as much.
>>> I have other cases where the increase is much larger.
>>> 
>>> My question (and wish) is:  would it be possible to connect this output to 
>>> the Gmsh verbosity argument (-v)?
>>> I would be quite happy to (at least try to) add this functionality myself 
>>> should somebody tell me how could I get access the verbosity value from 
>>> contrib/Netgen/nglib_gmsh.cpp .
>>> 
>>> Thanks in advance,
>>> Serban
>>> 
>>> 
>>> _______________________________________________
>>> gmsh mailing list
>>> [email protected]
>>> 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
>> 
>> 
>> 

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




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