Crashes did not occur all the time. It depends on the cell geometry/topology and the slice origin/normal.
*Joachim Pouderoux*, PhD *Technical Expert - Scientific Computing Team* *Kitware SAS <http://www.kitware.fr>* 2018-03-26 15:14 GMT-04:00 Carlos E Manglano-Villamarin < [email protected]>: > Quite interestingly, I have just create a 2D slice in a mesh with 947443 > cells, and it has not crashed!! It is showing the "holes" you mentioned > before, though. This is puzzling me, some meshes make PV to crash, and > others just show the bug you mentiones :-/ > > C. > > 2018-03-26 21:07 GMT+02:00 Joachim Pouderoux < > [email protected]>: > >> Carlos, >> >> For information, here is the merge request that address the wedge issue: >> https://gitlab.kitware.com/vtk/vtk/merge_requests/4059 >> This is a simple patch for now, better solution will come. >> >> Joachim >> >> *Joachim Pouderoux*, PhD >> >> *Technical Expert - Scientific Computing Team* >> *Kitware SAS <http://www.kitware.fr>* >> >> >> 2018-03-26 15:04 GMT-04:00 Carlos E Manglano-Villamarin < >> [email protected]>: >> >>> Thanks Joachim, >>> >>> I'll give it a go! >>> >>> C. >>> >>> 2018-03-26 20:36 GMT+02:00 Joachim Pouderoux < >>> [email protected]>: >>> >>>> 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 < >>>> [email protected]>: >>>> >>>>> 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 <[email protected]>: >>>>> >>>>>> 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 < >>>>>> [email protected]> 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 >>>>>>> >>>>>>> _______________________________________________ >>>>>>> Powered by www.kitware.com >>>>>>> >>>>>>> Visit other Kitware open-source projects at >>>>>>> http://www.kitware.com/opensource/opensource.html >>>>>>> >>>>>>> Please keep messages on-topic and check the ParaView Wiki at: >>>>>>> http://paraview.org/Wiki/ParaView >>>>>>> >>>>>>> Search the list archives at: http://markmail.org/search/?q=ParaView >>>>>>> >>>>>>> Follow this link to subscribe/unsubscribe: >>>>>>> https://public.kitware.com/mailman/listinfo/paraview >>>>>>> >>>>>>> >>>>>> >>>>> >>>>> _______________________________________________ >>>>> Powered by www.kitware.com >>>>> >>>>> Visit other Kitware open-source projects at >>>>> http://www.kitware.com/opensource/opensource.html >>>>> >>>>> Please keep messages on-topic and check the ParaView Wiki at: >>>>> http://paraview.org/Wiki/ParaView >>>>> >>>>> Search the list archives at: http://markmail.org/search/?q=ParaView >>>>> >>>>> Follow this link to subscribe/unsubscribe: >>>>> https://public.kitware.com/mailman/listinfo/paraview >>>>> >>>>> >>>> >>> >> >
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