> Feature request: I am not aware that vtkMultiBlockDataSet allows the > definition of block connectivity, yet, I have it for other simulation > data, but my reader doesn't know what to do with it. Wouldn't a > multi-block streamer use it if available?
This is a great idea. I would love to see the stream tracer use more meta-data about block neighbors for performance optimization. We may get to it at one point. If you have time, I would be happy to make suggestions on how to implement it. -berk On Fri, Jul 10, 2009 at 6:00 AM, Jean Favre<[email protected]> wrote: > On 09, Jul 2009 03:45 PM, Berk Geveci <[email protected]> wrote: > >>I am afraid there is no direct way. What you can do however, at the >>cost of more memory, is to use the tranform filter to create a copy >>(or more) of your dataset that is shifted and then group the result >>with the Group filter. > > I have a similar challenge. A single 3D grid which I warp into a > spherical grid. The Z=0 and Z=max planes meet at the meridian. All is > good, iso-contour surfaces for example appear "full". The challenge > arises when doing streamlines. I have two cases: > > A) surface-restricted streamlines on constant-radius surfaces. > Streamlines don't cross over the meridian line. I fixed this by merging > the points along the meridian and the surface then appears fully > connected, i.e. there are no "external" triangle edges. > > B) 3D-streamlines, and the the streamlines don't cross over the meridian > plane. > > Berk's comment just make me think that I could make a second copy of the > spherical grid (a full shallow copy), group the datasets, and use the > multi-block version of the streamer. (I do streamlines on large > multi-blocks datasets where the inter-block connectivity is never given > by the reader, and it works very well. Particles leaving a block find > their new "host" block and continue along the streamlines). So shouldn't > that work with two copies of a spherical grid? > > Feature request: I am not aware that vtkMultiBlockDataSet allows the > definition of block connectivity, yet, I have it for other simulation > data, but my reader doesn't know what to do with it. Wouldn't a > multi-block streamer use it if available? > > Jean-- > > Swiss National Supercomputing Centre > > _______________________________________________ > 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
