Thanks guys for your help. Looking forward to hearing good news. Cheers, Mohamad
On Thu, Apr 19, 2012 at 1:29 PM, Berk Geveci <berk.gev...@kitware.com>wrote: > Leo and I will have an answer for you guys soon. FYI we just started > working on the particle tracker with the purpose of cleaning it up as well > as making its interface easier to use. > > Best, > -berk > > > On Wed, Apr 18, 2012 at 4:08 PM, Mohamad M. Nasr-Azadani <mmn...@gmail.com > > wrote: > >> Hi Burlen, >> >> I am hoping that Utkarsh could help figure things out. >> If you elaborate more on what you do and what happens, I could at least >> share my experience. >> I use *.vtr type files to generate particle trace and pathlines. >> The problem I have/had is that as soon as I apply any Temporal Filter to >> the *.vtr file series, it either gives me error message or crashes. >> I was very very very lucky that I found out that for the same dataset, if >> I use *.vtu format, no problems or crashing occurred. So, for now, I just >> used a Clip filter to extract my data into a *.vtu format and rewrite them, >> re-read them and do the ParticleTrace and ParticlePathlines. >> That was my experience. >> >> Let me know if I could be of any help. >> Good luck, >> Mohamad >> >> >> >> >> On Wed, Apr 18, 2012 at 11:15 AM, Burlen Loring <blor...@lbl.gov> wrote: >> >>> ** >>> Hi Mohamad, >>> >>> I've been quietly following this thread in hopes that your interest in >>> particle tracing will spark a response from the developers. I was unable to >>> generate pathlines in image data in vti format I beleive I was using 3.10.0 >>> at the time. It was not clear to me if there was a bug or if I had the >>> pipeline built incorrectly out of my own ignorance on how this works in PV. >>> I posted a question with test data hoping for some advise, >>> http://paraview.markmail.org/message/ek67niwr7xagaajz?q=burlen+order:date-backward&page=15however >>> I did not receive any reply. >>> >>> Burlen >>> >>> >>> On 04/07/2012 05:28 AM, Mohamad M. Nasr-Azadani wrote: >>> >>> I apologize for some mistakes. >>> The Powerpoint I was refering to can be found here. >>> >>> *paraview*.org/Wiki/images/2/20/IEEE08_*Time-In-ParaView*.ppt >>> >>> >>> Best, >>> Mohamad >>> >>> On Sat, Apr 7, 2012 at 5:22 AM, Mohamad M. Nasr-Azadani < >>> mmn...@gmail.com> wrote: >>> >>>> Hi all, >>>> >>>> This is what I doing: >>>> >>>> 1- Load the PVD file (which holds the real time information >>>> associated with each *.vtr file) >>>> >>>> <?xml version="1.0"?> >>>> <VTKFile type="Collection" version="0.1" byte_order="LittleEndian" >>>> compressor="vtkZLibDataCompressor"> >>>> <Collection> >>>> <DataSet timestep="0.0" group="" part="0" file="vel_vec_0.vtr"/> >>>> <DataSet timestep="0.2" group="" part="0" file="vel_vec_1.vtr"/> >>>> <DataSet timestep="0.4" group="" part="0" file="vel_vec_2.vtr"/> >>>> <DataSet timestep="0.6" group="" part="0" file="vel_vec_3.vtr"/> >>>> <DataSet timestep="0.8" group="" part="0" file="vel_vec_4.vtr"/> >>>> <DataSet timestep="1.0" group="" part="0" file="vel_vec_5.vtr"/> >>>> <DataSet timestep="1.2" group="" part="0" file="vel_vec_6.vtr"/> >>>> <DataSet timestep="1.4" group="" part="0" file="vel_vec_7.vtr"/> >>>> <DataSet timestep="1.6" group="" part="0" file="vel_vec_8.vtr"/> >>>> <DataSet timestep="1.8" group="" part="0" file="vel_vec_9.vtr"/> >>>> <DataSet timestep="2.0" group="" part="0" file="vel_vec_10.vtr"/> >>>> </Collection> >>>> </VTKFile> >>>> >>>> >>>> 2- Click on my data and create a "Temporal Cache" with "Cache >>>> Size=2". >>>> >>>> 3- From "Sources", I create a "Line". >>>> >>>> 4- Click on TemporalCache1 and create a ParticleTracer. >>>> When the menu pops up, I choose >>>> a) Input: TemporalCache1 >>>> b) Source: Line1 >>>> Right after I click Ok, this is the message I get (note that this >>>> message is shown even before giving me the chance to change any flags on >>>> the "Properties" section related to the "ParticleTracer1". >>>> >>>> /home/utkarsh/Kitware/superbuild/paraview/src/paraview/VTK/Filtering/vtkStreamingDemandDrivenPipeline.cxx, >>>> line 934 >>>> >>>> vtkPVPostFilterExecutive (0x4db4870): No maximum number of pieces has >>>> been set in the information for output port 0 on algorithm >>>> vtkPVPostFilter(0x4777fd0). >>>> >>>> >>>> Luckily, Paraview does not crash and I can continue. >>>> After doing some research, I am guessing that this has something to do >>>> with the time conflicts (Pipeline fed into the filter and the animation >>>> viewer time). >>>> >>>> *Observation:* Right after I create the ParticleTracer and receive >>>> the error message, the time shown in the animation viewer is increased from >>>> "0.0" to "0.2". Why? >>>> >>>> 5- Recommended by the powerpoint, I set >>>> a) Time Step: True (1) >>>> b) Ignore Pipeline Time: True (1) >>>> >>>> >>>> 6- Now, I use "Animation View" as directed by the same powerpoint to >>>> feed the time into the ParticleTracer1 filter. >>>> a) Mode: Sequence >>>> b) Create a keyframe for "ParticleTracer1". Double click on >>>> the bar and set: >>>> 1: time: 0.2, (interpolation ramp), value: 1 >>>> 2: time: 1.8, (), value: 9 >>>> >>>> Note: I have varied all the combinations listed above to >>>> include/exclude the last/first steps. No luck! Nothing really happening. >>>> >>>> 7- Play animation. Result: nothing happening? What is going on? >>>> >>>> >>>> *Observation: Using Paraview 3.8, I could see the animation without >>>> adjusting any parameters in the "Animation View" menu. Just the annoying >>>> error message was shown. However, I could do the same thing with Paraview >>>> 3.14, but it crashes after a few timesteps. * >>>> * >>>> * >>>> Anybody could share some hints on how to go about this? >>>> >>>> Thanks, >>>> Mohanad >>>> >>>> >>>> >>>> >>>> >>>> >>> >>> _______________________________________________ >>> Powered by www.kitware.com >>> >>> Visit other Kitware open-source projects at >>> http://www.kitware.com/opensource/opensource.html >>> >>> Please keep messages on-topic and check the ParaView Wiki at: >>> http://paraview.org/Wiki/ParaView >>> >>> Follow this link to >>> subscribe/unsubscribe:http://www.paraview.org/mailman/listinfo/paraview >>> >>> >>> >> >> _______________________________________________ >> Powered by www.kitware.com >> >> Visit other Kitware open-source projects at >> http://www.kitware.com/opensource/opensource.html >> >> Please keep messages on-topic and check the ParaView Wiki at: >> http://paraview.org/Wiki/ParaView >> >> Follow this link to subscribe/unsubscribe: >> http://www.paraview.org/mailman/listinfo/paraview >> >> >
_______________________________________________ Powered by www.kitware.com Visit other Kitware open-source projects at http://www.kitware.com/opensource/opensource.html Please keep messages on-topic and check the ParaView Wiki at: http://paraview.org/Wiki/ParaView Follow this link to subscribe/unsubscribe: http://www.paraview.org/mailman/listinfo/paraview