If you want the seeds to move my suggestion would be to use a programmable source that generates those seeds and then use the Stream Tracer With Custom Source filter. This does require knowing the how the seeds change with time a priori. If you want the seeds to advect with the flow you could try the particle path filter to advect the seeds and use that as your input into the stream tracer with custom source filter. If you do that I'd love to see the resulting animation -- I'd bet it would be quite spectacular!
On Thu, Dec 22, 2016 at 3:38 PM, Whitehouse, Paul L. (GSFC-5520) < paul.l.whiteho...@nasa.gov> wrote: > Jan, > > > > This will straddle the boundary of ParaView and Plasma Physics: first, > this is a good lesson in the non-reality of the “frozen-in” condition for > field lines – they are just integral lines and something to always keep in > mind; second, I think you would have to specify your own list of seed > points and have them advect with the plasma over each time step. You would > have to use a zero radius and one streamline from each – otherwise you > would get something different each time that wouldn’t look frozen-in. > > > > Paul W > > > > > > *From: *ParaView <paraview-boun...@paraview.org> on behalf of Jan Deca < > jand...@gmail.com> > *Date: *Wednesday, December 21, 2016 at 3:55 PM > *To: *ListServe ParaView <paraview@paraview.org> > *Subject: *[Paraview] moving streamlines with flow > > > > Hello, > > > > I am running simulations of magnetized plasma flow through a > > computational domain. In the simulation the magnetic field lines are > > moving with the flow. When generating an animation over different time > > steps (frames), however, the streamtracer uses the same seeds for each > > frame, and hence the resulting impression is that the field lines do not > > move in time. > > > > Would anybody have an idea on how to accomplish moving field lines? > > > > Thank you! > > > > Jan > > > > _______________________________________________ > 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 > > Search the list archives at: http://markmail.org/search/?q=ParaView > > Follow this link to subscribe/unsubscribe: > http://public.kitware.com/mailman/listinfo/paraview > >
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