Thanks John. I don't mind, just that I have reproduce hundreds of gygabytes in vtu format. :-) I learn patience I guess.
Best, Mohamad On Wed, Apr 18, 2012 at 11:19 PM, Biddiscombe, John A. <biddi...@cscs.ch>wrote: > If using a VTU works and a VTR crashes, then it’s definitely a bug.**** > > ** ** > > I’ve been working on temporal fixes for a long time (i.e. not working > hard), and eventually I will commit something that resolves this, but in > the meantime, you should use vtu.**** > > ** ** > > JB**** > > ** ** > > *From:* paraview-boun...@paraview.org [mailto: > paraview-boun...@paraview.org] *On Behalf Of *Mohamad M. Nasr-Azadani > *Sent:* 18 April 2012 22:09 > *To:* Burlen Loring > *Cc:* paraview@paraview.org > *Subject:* Re: [Paraview] Particle tracer**** > > ** ** > > 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