[Paraview] particle traces from point data

[Joachim Pouderoux]

Alex,

The problem appears because the output of this Visit-based reader is a
multiblock.

Here is a workaround: apply a *Merge Block* filter on your input data, then
apply the *Temporal Particles To Pathline* filter.

Best,

*Joachim Pouderoux*, PhD

*Technical Expert - Scientific Computing Team*
*Kitware SAS <http://www.kitware.fr>*


2017-12-01 14:58 GMT-04:00 Alex Barrie <abarrie at gmail.com>:

> I am attaching the first input file here. Each file has an incremented
> number in the filename and then I load them all at once using the Point3D
> reader. I just go to open and select the group, I don't do anything special
> to load them. Paraview detects them all as part of the same group, and I
> can play the animation just fine with the VCR controls. Is there a
> different way to load them specifically as a series?
>
> On Fri, Dec 1, 2017 at 1:39 PM, Joachim Pouderoux <
> joachim.pouderoux at kitware.com> wrote:
>
>> Alex,
>>
>> Again, could you specify how you are loading your files?
>> If you open them as a file series, then your data should be considered as
>> temporal and the filter should work.
>> See https://www.paraview.org/Wiki/Animating_legacy_VTK_file_series
>>
>> Best,
>>
>> *Joachim Pouderoux*, PhD
>>
>> *Technical Expert - Scientific Computing Team*
>> *Kitware SAS <http://www.kitware.fr>*
>>
>>
>> 2017-12-01 14:11 GMT-04:00 Alex Barrie <abarrie at gmail.com>:
>>
>>> I was able to find this thread that mentions that maybe the input data
>>> set needs to have a DATA_TIME_STEPS key, but I am not sure how to specify
>>> this with the point3d data.
>>> https://public.kitware.com/pipermail/paraview/2016-February/036211.html
>>>
>>> Is there a way just to use whatever mechanism the animate functionality
>>> uses?
>>>
>>> On Thu, Nov 30, 2017 at 9:26 AM, Alex Barrie <abarrie at gmail.com> wrote:
>>>
>>>> Yes, I have one file per timestep and each file is a list of points, X,
>>>> Y, Z, C with one point per line. I am loading it with the 'Point3D' input.
>>>> Thanks!
>>>> Alex
>>>>
>>>>
>>>> On Thu, Nov 30, 2017 at 9:18 AM, Joachim Pouderoux <
>>>> joachim.pouderoux at kitware.com> wrote:
>>>>
>>>>> Alex,
>>>>>
>>>>> Could you specify how is your data split over time? Do you have one
>>>>> file per timestep? How do you load your data with ParaView?
>>>>>
>>>>> Joachim
>>>>>
>>>>> *Joachim Pouderoux*, PhD
>>>>>
>>>>> *Technical Expert - Scientific Computing Team*
>>>>> *Kitware SAS <http://www.kitware.fr>*
>>>>>
>>>>>
>>>>> 2017-11-30 9:55 GMT-04:00 Alex Barrie <abarrie at gmail.com>:
>>>>>
>>>>>> Thanks, I see it now - I missed it because it wasn't in the
>>>>>> "Temporal" tab.
>>>>>>
>>>>>> When I apply this filter, however, I get an error about a missing
>>>>>> DATA_TIME_STEPS information key. Is this something I can specify or does it
>>>>>> have to be in the raw data somehow?
>>>>>>
>>>>>> Thanks,
>>>>>> Alex
>>>>>>
>>>>>>
>>>>>> On Wed, Nov 29, 2017 at 3:13 PM, Joachim Pouderoux <
>>>>>> joachim.pouderoux at kitware.com> wrote:
>>>>>>
>>>>>>> Alex,
>>>>>>>
>>>>>>> I think here the filter "Temporal Particles to Pathlines" should do
>>>>>>> the trick.
>>>>>>>
>>>>>>> Best,
>>>>>>> Joachim
>>>>>>>
>>>>>>> *Joachim Pouderoux*, PhD
>>>>>>>
>>>>>>> *Technical Expert - Scientific Computing Team*
>>>>>>> *Kitware SAS <http://www.kitware.fr>*
>>>>>>>
>>>>>>>
>>>>>>> 2017-11-29 14:33 GMT-04:00 Alex Barrie <abarrie at gmail.com>:
>>>>>>>
>>>>>>>> Hi,
>>>>>>>>
>>>>>>>> I have animated particles which are imported from point data
>>>>>>>> (x,y,z). I want to add a particle trace, but I am not sure what to put for
>>>>>>>> the 'seed'. I am not using a vector field, but rather just a list of
>>>>>>>> particle positions that updates over time. How can I just add a trace to
>>>>>>>> each particle in the list?
>>>>>>>>
>>>>>>>> Thanks,
>>>>>>>> Alex
>>>>>>>>
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>>>>>>>
>>>>>>
>>>>>
>>>>
>>>
>>
>
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