[Paraview] paraview display issue on parallel files

[Rilin Shen]

Dear all,

Thanks for your suggestions. It is exactly what you said.

Marking ghost cell would be non-trival work and I tried the second idea.
But only cell and points information is left, other field information
associated with points seem to be lost. Is that the case? If that is the
case, is there an easy way to attach point data to points again?

BTW, I searched the internet and found that the D3 filter could be a good
option for my unstructured grid information. But I cannot find the D3
filter as Filters>Alphabetical>D3. So my second question is how to add D3
filter to my paraview?

Best regards,


Rilin Shen
Division of Solid Mechanics, School of Astronautics
*Harbin Institute of Technology*, Harbin 150001, China
Civil Engineering & Engineering Mechanics
*Columbia University*, New York 10027, U.S.
Tel: (+1) 646-200-2122
Email: shenrilin at gmail.com  /  rs3741 at columbia.edu <shenrilin at 126.com>

2017-09-06 14:50 GMT-04:00 Andy Bauer <andy.bauer at kitware.com>:

> Hi,
>
> Please respond to the entire mailing list so that anyone that wants to
> participate or follow along can.
>
> I think the issue here is that you have the same cell specified in
> multiple vtu files and ParaView is getting confused when trying to render
> them. These are the overlapping cells at the subdomain boundary. My
> recommendation would be to either mark these repeated cells as ghost cells
> (see https://blog.kitware.com/ghost-and-blanking-visibility-changes/ for
> information on that). Other than that, you could use the Clean to Grid
> filter to get rid of coincident points and then use the Clean Cells to Grid
> filter to get rid of extra copies of the cell.
>
> Cheers,
> Andy
>
>
> On Tue, Sep 5, 2017 at 6:24 PM, Rilin Shen <shenrilin at gmail.com> wrote:
>
>> ​
>>  Bone.7z
>> <https://drive.google.com/file/d/0B1JLvkeOK5PQVXR3cTBHa2lfQjQ/view?usp=drive_web>
>> ​​​Dear Andy,
>>
>> Thanks a lot for your help.
>>
>> As you said, It looks like a ghost cell issue. I attached my dataset.
>> Please check it.
>>
>> If you need any additional information, please let me know.
>>
>> Best regards,
>>
>> Rilin Shen
>> Division of Solid Mechanics, School of Astronautics
>> *Harbin Institute of Technology*, Harbin 150001, China
>> Civil Engineering & Engineering Mechanics
>> *Columbia University*, New York 10027, U.S.
>> Tel: (+1) 646-200-2122 <(646)%20200-2122>
>> Email: shenrilin at gmail.com  /  rs3741 at columbia.edu <shenrilin at 126.com>
>>
>> 2017-09-05 16:54 GMT-04:00 Andy Bauer <andy.bauer at kitware.com>:
>>
>>> Hi,
>>>
>>> This typically happens when ghost cells are marked improperly or the
>>> data set has a node/point partitioning and no cells to bridge between the
>>> subdomains (though the point partitioning issue usually happens with finite
>>> difference simulations instead of FEM simulations). If you could share your
>>> dataset it would be easier to diagnose.
>>>
>>> Best,
>>> Andy
>>>
>>> On Tue, Sep 5, 2017 at 4:23 PM, Rilin Shen <shenrilin at gmail.com> wrote:
>>>
>>>> Dear all,
>>>>
>>>> I'm very happy to meet all of you in this society.
>>>>
>>>> I use a finite element software with multiprocessors(40) to solve
>>>> problems.
>>>>
>>>> All the .vtu files. associated with each processor are output and then
>>>> a file .pvtu is generated.
>>>>
>>>> The original file is displayed perfectly as shown in bone.png.
>>>> However, when I try to cut it with a plane, it occurs the following issue
>>>> as clip.png, It seems not be displayed correctly.
>>>>
>>>> Would you please tell me what happened to my data?
>>>>
>>>> Best regards,
>>>>
>>>> Rilin Shen
>>>> Division of Solid Mechanics, School of Astronautics
>>>> *Harbin Institute of Technology*, Harbin 150001, China
>>>> Civil Engineering & Engineering Mechanics
>>>> *Columbia University*, New York 10027, U.S.
>>>> Tel: (+1) 646-200-2122 <(646)%20200-2122>
>>>> Email: shenrilin at gmail.com  /  rs3741 at columbia.edu <shenrilin at 126.com>
>>>>
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>>
>
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