[Paraview] Inconsistent results with the stream trace filter

Mon Nov 5 06:16:05 EST 2012

Yes, you're right.  After increasing that, I get the result I expect.

Thanks for this fix, it's very helpful.

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

On 2 November 2012 16:36, Yuanxin Liu <leo.liu at kitware.com> wrote:

> I assume you are using the same parameters?  In particular,  did you set
> the Maximum Streamline Length to be large enough?  The default is too
> small.
>
> Leo
>
>
> On Thu, Nov 1, 2012 at 12:04 PM, Joe Borġ <mail at jdborg.com> wrote:
>
>> Hi Everyone,
>>
>> Seems the latest build (please check build number) has kept the problem.
>>
>> http://jdborg.com/images/paraview/pv_test.png
>>
>> Thanks,
>> Joe
>>
>>
>>
>> Regards,
>> Joseph David Borġ
>> http://www.jdborg.com
>>
>>
>> On 19 October 2012 17:05, Yuanxin Liu <leo.liu at kitware.com> wrote:
>>
>>> Hi, Joe,
>>>   It looks like this was indeed a bug in 3.14.1 but the bug has been
>>> fixed in the current development branch. I am not entirely sure which
>>> commit explicitly did it.
>>>
>>> Leo
>>>
>>> On Fri, Oct 19, 2012 at 5:54 AM, Joe Borġ <mail at jdborg.com> wrote:
>>>
>>>> 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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