[Paraview] particletracer

[Martin Uppman]

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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