[Paraview] particletracer

[Berk Geveci]

Can you tell us exactly (detailed, step-by-step) what you are doing?
That dialog works fine for me (running OS X 10.5).

-berk

On Tue, Feb 10, 2009 at 4:10 AM, Martin Uppman <f04mu at student.lth.se> wrote:
> Hi again,
>
> thank you for fast answer John! I'm aware of the problem that my particle
> tracer doesnt have any seed source, but I have been working for quite
> awhile sloving this problem. I did as you said, created temporalcache and
> seed (point seed) but I cant connect the 2 with my particle tracer. I
> found your (John's) great powerpoint presentation on the web explaining
> everything there is to explain. Though I cant make it work!!! In one of
> the pictures in the presentation there are some boxes where you can choose
> which sources to use in the particle tracer (in object inspector ->
> properties -> source). I dont have that option in my program. Does someone
> know why (using v3.4.0 on a Mac)?
> About v3.4.0, isnt it the lastest version? Cant fint anything newer on
> paraview.org.
>
> Cheers,
>
> Martin Uppman
>
>
>
>
>
>> Martin
>>
>>
>>> ERROR: In
>>> /Users/kitware/Berk/ParaView3/VTK/Filtering/vtkDemandDrivenPipeline.cxx,
>>> line 722
>>> vtkCompositeDataPipeline (0x217c7fb0): Input port 1 of algorithm
>>> vtkTemporalStreamTracer(0x1e345e00) has 0 connections but is not
>>> optional.
>>>
>> Input 0 should be a time dependent dataset. It is best to use a
>> TemporalCache before the particle tracer to stop multiple updates for
>> the same time step. Input 1 should be some seed points.
>>
>> Ensight -> TemporalCache      ->
>>                                  ParticleTracer
>> Some Other data eg.line/plane ->
>>
>> the ignore pipeline time option is provided to get around some animation
>> issues that used to plague paraview. You should not need it, but the
>> correct way to use it, is set  IgnorePipelineTime to true, then set an
>> animation keyframe to animate TimeStep from 0->N - the particle tracer
>> will then use the timestep to generate update times for the Ensight
>> input, instead of usigin the GUI generated time.
>>
>> If you are using the particle tracer from prior to 3.4 then you should
>> switch to a newer one as it is contiunually being improved. I will soon
>> (months, not days) be checking in a lot of changes which enable it to
>> handle dynamic meshes better.
>>
>> JB
>>
>>> I've been looking for information on this and a found a thread which I
>>> think concerns the same problem. In that thread Berk made a patch to fix
>>> this problem.
>>> I also tried to ignore pipeline time, but this doent work. I'm working
>>> with .case files and I want to animate the blood flow in a human heart
>>> using particle tracers. I'm using a Mac with ParaView version 3.4.0.
>>>
>>> Thanks for looking into this.
>>>
>>> Cheers,
>>>
>>> Martin Uppman
>>>
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>>
>>
>> --
>> John Biddiscombe,                            email:biddisco @ cscs.ch
>> http://www.cscs.ch/
>> CSCS, Swiss National Supercomputing Centre  | Tel:  +41 (91) 610.82.07
>> Via Cantonale, 6928 Manno, Switzerland      | Fax:  +41 (91) 610.82.82
>>
>>
>>
>
>
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