[Paraview] Inconsistent results with the stream trace filter

[Joe Borġ]

Hi,

I am using 3.14.1 64-bit on a single core (if I enable multi-core, it
becomes very unstable).

Adding tets to this small case works, but I've got a bigger duct with a
more refined mesh and adding tets don't fix the problem (make it better
though).

See attached PVSM.


Regards,
Joseph David Borġ
http://www.jdborg.com


On 18 October 2012 19:00, Yuanxin Liu <leo.liu at kitware.com> wrote:

> No, I did not use Tetrahedralize.
>
> Are you using the lastest development version?  Are you running paraview
> as a single process?
>
> Do you mind saving a state file of your session and post it?
>
> thanks!
>
> Leo
>
>
>
> On Thu, Oct 18, 2012 at 4:31 AM, Joe Borġ <mail at jdborg.com> wrote:
>
>> Hi Leo,
>>
>> You don't seem to have used the Tetrahedralise filter?  How have you got
>> this to work without that?
>>
>> Mine works fine after setting the fluid as input and source as the inlet,
>> but I must first use the Tetrahedralise filter.
>>
>>
>> Regards,
>> Joseph David Borġ
>> http://www.jdborg.com
>>
>>
>> On 17 October 2012 18:14, Yuanxin Liu <leo.liu at kitware.com> wrote:
>>
>>> Hi Joe,
>>>
>>> I am not seeing exactly what you are seeing.  In the attached image
>>> produced with the current master, I created a stream tracer with outlet
>>> block as the seeds and the fluid block as the input, and the streamlines
>>> seem right.
>>>
>>> But I think there is a bug in how the stream tracer handles multiblock
>>> data, because if I change the stream tracer input to the whole pipe data
>>> set, instead of just the fluid block, some stream lines go straight to the
>>> void like you described.
>>>
>>> Can you try setting up the pipeline as I did using ExtractBlock and
>>> compare with my image?
>>>
>>> Leo
>>>
>>> On Wed, Oct 17, 2012 at 10:51 AM, Magician <f_magician at mac.com> wrote:
>>>
>>>> Hi Joe,
>>>>
>>>>
>>>> "Tetrahedralize" filter is applicable.
>>>> All cells are splitted into Tetrahedral ones.
>>>> Try it.
>>>>
>>>>
>>>> Magician
>>>>
>>>>
>>>> On 2012/10/17, at 23:40, Joe Borġ wrote:
>>>>
>>>> > Thanks Magician,
>>>> >
>>>> > Thanks for testing.  What are you using to convert to tet?  Is it a
>>>> ParaView feature?
>>>> >
>>>> > Leo, can the priority of the bug be raised please?
>>>> >
>>>> >
>>>> > Regards,
>>>> > Joseph David Borġ
>>>> > http://www.jdborg.com
>>>> >
>>>> >
>>>> > On 17 October 2012 14:20, Magician <f_magician at mac.com> wrote:
>>>> > Hi Joseph,
>>>> >
>>>> >
>>>> > I tried your data and got a result as yours.
>>>> > Your data only includes Hex, Wedge, Tet and Pyramid,
>>>> > but streamlines are stopped earlier.
>>>> >
>>>> > Same as my polyhedral pipe sample, I applied Tetrahedralize filter
>>>> > to your pipe source, and I could get valid streamlines.
>>>> >
>>>> >
>>>> > Magician
>>>> >
>>>> >
>>>> > > Pipe.tar.gz attached to the bug report below, in the form of an
>>>> Ensight
>>>> > > Case.  First extract the archive and to open in Paraview, use "All
>>>> files
>>>> > > (*)" when browsing and select the .encas, then select "EnSight
>>>> Files".
>>>> > >
>>>> > >
>>>> > > Regards,
>>>> > > Joseph David Borġ
>>>> > > http://www.jdborg.com
>>>> > >
>>>> > >
>>>> > > On 12 October 2012 03:28, Yuanxin Liu <leo.liu at kitware.com>
>>>> wrote:
>>>> > >
>>>> > > > Hi,
>>>> > > >    Is it possible for you to upload the data?  By the way, if the
>>>> cell
>>>> > > > type is polyhedron, then this is quite likely the same bug as
>>>> this:
>>>> > > > http://paraview.org/Bug/view.php?id=13442
>>>> > > >
>>>> > > > Leo
>>>> > > >
>>>> > > > On Thu, Oct 11, 2012 at 6:17 AM, Joe Borġ <mail at jdborg.com>
>>>> wrote:
>>>> > > >
>>>> > > >> Hi guys,
>>>> > > >>
>>>> > > >> I've got an odd issue with the stream trace and stream trace
>>>> custom
>>>> > > >> source filters in Paraview (3.14.1 64bit).  No matter what
>>>> settings I use,
>>>> > > >> the traces die off very soon and some even carry on straight
>>>> (even when
>>>> > > >> there's no fluid).
>>>> > > >>
>>>> > > >> See the two screenshots I've got from Paraview.
>>>> > > >>
>>>> > > >> http://jdborg.com/images/paraview/pv_inlet.png
>>>> > > >> http://jdborg.com/images/paraview/pv_outlet.png
>>>> > > >>
>>>> > > >>
>>>> > > >> Not sure if this is a setting that's easy to miss or if it's more
>>>> > > >> terminal.
>>>> > > >>
>>>> > > >> Thanks,
>>>> > > >>
>>>> > > >>
>>>> > > >> Regards,
>>>> > > >> Joseph David Borġ
>>>> > > >> http://www.jdborg.com
>>>> >
>>>>
>>>>
>>>
>>
>
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