[Paraview] Paraview crashing when clipping an openfoam solution

Wed Mar 28 07:55:13 EDT 2018

Hi again Joachim,

I've tried to run ParaView from the executable 'paraview' in the 'bin'
directory, and it works quite well. The OpenFOAM cases load pretty quickly,
and the clip is done with no itches :-) For now, I just hace to create "by
hand" the dummy *.foam file, but that's not a problem at all!!

I just got one question at this time: Is it possible to load the cases with
VTK Polyhedrons, this option is not shown in the GUI? I need to show the
mesh 'as is', and right now it's all "dirty" with the sort-of-triangulation
PV creates :-/

Best,

2018-03-28 13:41 GMT+02:00 Carlos E Manglano-Villamarin <
carlosemanglanov at gmail.com>:

> Hi Joachim,
>
> I downloaded the tar.gz file from https://www.paraview.org/download/,
> under the Release Candidates section.
>
> Regards,
>
> 2018-03-27 15:29 GMT+02:00 Joachim Pouderoux <
> joachim.pouderoux at kitware.com>:
>
>> Carlos,
>>
>> What did you download exactly? The sources archive or the binaries? On
>> which platform?
>>
>> Best,
>>
>> *Joachim Pouderoux*, PhD
>>
>> *Technical Expert - Scientific Computing Team*
>> *Kitware SAS <http://www.kitware.fr>*
>>
>>
>> 2018-03-27 9:10 GMT-04:00 Carlos E Manglano-Villamarin <
>> carlosemanglanov at gmail.com>:
>>
>>> Joachim,
>>>
>>> Quick question about PV >= 5.5 RC1 ... I have downloaded the RC3, how do
>>> I install it? I cannot find any 'make' or 'install' file ... Is it provided
>>> to run "out of the box"?
>>>
>>> Regards,
>>> Carlos
>>>
>>> 2018-03-26 20:36 GMT+02:00 Joachim Pouderoux <
>>> joachim.pouderoux at kitware.com>:
>>>
>>>> Carlos,
>>>>
>>>> OpenFOAM can produce cells with non planar faces which is not handled
>>>> by VTK/ParaView. Moreover it appears that current reader implementation can
>>>> also produce incorrect cells when reading wedge cells.
>>>> Thanks to a recent rewriting of the polydron clipping algorithm, the
>>>> clipping/slicing of polyhedron should no more lead to crashes. However,the
>>>> problems
>>>> of non planar faces might produce some holes in the result.
>>>> We are currently working on a patch to better handle this case in the
>>>> reader.
>>>> If you want to try the new polyhedron  clipping algorithm, you will
>>>> have to use ParaView >= 5.5 RC1.
>>>>
>>>> Best regards,
>>>> Joachim
>>>>
>>>>
>>>> *Joachim Pouderoux*, PhD
>>>>
>>>> *Technical Expert - Scientific Computing Team*
>>>> *Kitware SAS <http://www.kitware.fr>*
>>>>
>>>>
>>>> 2018-03-26 14:29 GMT-04:00 Carlos E Manglano-Villamarin <
>>>> carlosemanglanov at gmail.com>:
>>>>
>>>>> It's me again, I'm sorry,
>>>>>
>>>>> Problem NOT solved!!! ... Hardware looks ok, software and system
>>>>> handling memory looks good too.
>>>>>
>>>>> ParaView shuts down if I try to generate a clip with the "VTK
>>>>> Polyhedron" option selected, before and after clipping ...
>>>>>
>>>>> possible bug??
>>>>>
>>>>> C.
>>>>>
>>>>> 2018-03-26 16:51 GMT+02:00 Shawn Waldon <shawn.waldon at kitware.com>:
>>>>>
>>>>>> Hi Carlos,
>>>>>>
>>>>>> That error message means that an exception was thrown from a Qt event
>>>>>> handler.  The message about reimplementing QApplication::notify() is just
>>>>>> to tell you how to catch the exception if you wanted to.  The real problem
>>>>>> is the exception.
>>>>>>
>>>>>> A std::bad_alloc exception happens when the program tries to allocate
>>>>>> memory and fails.  So you need to figure out why you are running out of
>>>>>> memory (that is the most likely cause of the error).
>>>>>>
>>>>>> HTH,
>>>>>> Shawn
>>>>>>
>>>>>> On Mon, Mar 26, 2018 at 10:47 AM, Carlos E Manglano-Villamarin <
>>>>>> carlosemanglanov at gmail.com> wrote:
>>>>>>
>>>>>>> Hi everyone!
>>>>>>>
>>>>>>> When I postprocess some simulations, less than 900,000 cells, from
>>>>>>> openfoam, either opening paraview directly or using the parafoam tool, the
>>>>>>> program crashes giving me the following error message:
>>>>>>>
>>>>>>> I/O    : uncollated
>>>>>>> terminate called after throwing an instance of 'std::bad_alloc'
>>>>>>>   what():  std::bad_alloc
>>>>>>> Qt has caught an exception thrown from an event handler. Throwing
>>>>>>> exceptions from an event handler is not supported in Qt. You must
>>>>>>> reimplement QApplication::notify() and catch all exceptions there.
>>>>>>>
>>>>>>> My OS is Ubuntu 16.04, freshly installed. I was getting the same
>>>>>>> error with Ubuntu 17.10 which I had installed until last night.
>>>>>>>
>>>>>>> I am looking for info about "reimplementing QApplication" with no
>>>>>>> luck.
>>>>>>>
>>>>>>> Any suggestions, please?
>>>>>>> Carlos
>>>>>>>
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>>>>>>
>>>>>
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>>>>> Powered by www.kitware.com
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>>>>> Please keep messages on-topic and check the ParaView Wiki at:
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>>>>>
>>>>
>>>
>>
>
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