dolfin team mailing list archive
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dolfin team
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Mailing list archive
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Message #26145
Re: Merge of CSG and plot branches
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To:
"Garth N. Wells" <gnw20@xxxxxxxxx>
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From:
Johan Hake <hake.dev@xxxxxxxxx>
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Date:
Thu, 15 Nov 2012 10:11:27 +0100
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Cc:
DOLFIN Mailing List <dolfin@xxxxxxxxxxxxxxxxxxx>
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In-reply-to:
<CAA4C66N4sdBuUHwsbQnvwW9uOmPbxsN-OZwxEetR-1=BWK1eHQ@mail.gmail.com>
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User-agent:
Mozilla/5.0 (X11; Linux x86_64; rv:16.0) Gecko/20121028 Thunderbird/16.0.2
On 11/15/2012 10:07 AM, Garth N. Wells wrote:
> On Thu, Nov 15, 2012 at 8:58 AM, Johan Hake <hake.dev@xxxxxxxxx> wrote:
>> On 11/14/2012 09:51 AM, Benjamin Kehlet wrote:
>>> 2012/11/14 Anders Logg <logg@xxxxxxxxx <mailto:logg@xxxxxxxxx>>
>>>
>>> Dear all,
>>>
>>> The plot and csg branches have been merged into trunk. Please try out
>>> the new functionality for mesh generation (from both CSG descriptions
>>> and input files) and plotting and report any problems.
>>>
>>> All thanks to very good work from Benjamin, Joachim and Johannes.
>>>
>>>
>>> It is a little bit early to applaud. There are some issues with the csg
>>> stuff that need to be fixed, so mesh generation (in particular in 3D) is
>>> likely to crash. I've have pushed everything to trunk, though, since
>>> some of the plotting code depends on parts of the csg code.
>>
>> It crashes, but almost randomly. The same script (3D demo) sometime
>> generate a nice mesh, other times a crappy one, and sometimes just crash.
>>
>>> Will report back when this has been fixed.
>>
>> What is the main cause for this erratic behavior?
>>
>
> I observed erratic behaviour with CGAL <= 4.0.2 + gcc before the CSG
> merge (this also showed up with the buildbots, with the CGAL-based
> mesh generation failing randomly), but it's been very reliable with
> CGAL 4.2 + gcc 4.7.
Ok, I guess upgrade is the only viable way then ;)
Johan
> Garth
>
>> Johan
>>
>>> Benjamin
>>>
>>>
>>> --
>>> Anders
>>>
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>>>
>>>
>>>
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>>
>>
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