Hi Ken, Thanks for figuring that out. Can you think of any way around this bug? The only reason I needed the temporal shift scale filter was so that the particle tracer knew the spacing between time steps (by default it's 1 sec, but it should be 0.0275 sec).
Thanks again, Adam On Tue, Aug 18, 2009 at 5:41 PM, Moreland, Kenneth <[email protected]>wrote: > I can see the problem with the data set you sent. I posted a bug report > for it: > > http://www.paraview.org/Bug/view.php?id=9435 > > > I’m pretty sure that this bug is caused by a non-feature of ParaView that > causes the data type of the input of a temporal shift scale (and some other > temporal filters) to spontaneously convert to temporal data. John B. is > supposed to be working on that. I have no idea what the eta is. > > I still think the particle tracer does about what you are looking for. I’m > not really the right person to give advice here as I have limited experience > with the filter (again John B is the expert), but if you only want to inject > points at the first time step, you should be able to do that by setting the > “Force Reinjection Every NSteps” parameter to something very large. > > -Ken > > > On 8/11/09 2:36 PM, "Adam Wiktor" <[email protected]> wrote: > > Hi John and Ken, > > Paraview seems to read the data fine. If I just load the data and don't > apply the temporal shift scale, I don't get any error messages as I go > through the frames. As soon as I apply the temporal shift scale and try to > change time points, though, I get the error. > > I've attached three time points out of the twenty that I'm using (the > number in the file name is the time in ms). I checked, and paraview still > gives me the error when only using these three. What I do is open the > "Velocity-..vti" in paraview. I then click apply, and everything is still > fine. When I apply the temporal shift scale filter, I don't get a message > right away, but as soon as I go to the next frame (or any other frame) I get > the error I mentioned. Do you know what could be wrong? > > Also, I'm not completely sure that particletracer is what I'm looking for. > What I need is something that's basically the same as the streamtracer, but > that would incorporate the differences in the velocity in each of the time > points. It would place a seed and integrate like the streamtracer up to the > next time step, but then use the velocities in the next frame to continue > the integration. Is that what the particle tracer does? And if so, what do I > use as the input for port 1? > > Thanks for the help, > > Adam > > > On Tue, Aug 11, 2009 at 1:43 AM, John Biddiscombe <[email protected]> > wrote: > > Adam > > The first error is nothing to do with time, check how you are reading the > data, something is not right. but I cannot diagnose it from here. > > > Also, back when I wasn't getting this error message, I tried applying the > ParticleTracer filter, and got the following error message: > > ERROR: In > /home/awiktor/Desktop/ParaView3/VTK/Filtering/vtkDemandDrivenPipeline.cxx, > line 728 vtkCompositeDataPipeline (0x11e2a10): Input port 1 of algorithm > vtkTemporalStreamTracer(0x5be0420) has 0 connections but is not optional. > > The ParticleTracer requires an input vector field and a seed point input. > Same as for the Streamtracer, the first error you mentioned is probably > causing one input to be null (port 0 = vector field, port 1 = seed points). > > JB > > > > **** Kenneth Moreland > *** Sandia National Laboratories > *********** > *** *** *** email: [email protected] > ** *** ** phone: (505) 844-8919 > *** web: > http://www.cs.unm.edu/~kmorel<http://www.cs.unm.edu/%7Ekmorel> > >
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