Berk, That may be; I haven't checked the routine that generates cell connectivity in our exporter yet. I agree that for larger output sets ascii will be too slow. It's already a bit plodding for ~1-2M cell simulations, and we're looking at 5-20M cells fairly soon.
It just seems odd that so far smaller datasets work fine and larger ones always seem to fail though. Shouldn't bad connectivity fail indiscriminately? -- Erik On Friday 05 March 2010, you wrote: > I don't think that this has anything to do with any limitation. I suspect > that there is > something wrong in the connectivity of your mesh. Both of those methods use > the > connectivity information and are likely to crash if you have cells pointing > to non- > existent point ids for example. > > By the way, I don't recommend using the XML formats in ASCII mode for this > size > data. The reader is pretty slow in parsing ASCII files. You would get > significant > read-time improvement by using the appended mode (raw - no compression or > encoding) or even the legacy format in binary. If you must do ASCII, I > suggest > using the legacy format. > > Cheers, > -berk > > On Fri, Mar 5, 2010 at 2:21 AM, Erik Keever <[email protected]> wrote: > > Hello, > > > > I'm using Paraview for visualization of 3D hydrodynamic and mhd > > simulations. > > My datasets are generated by a code with a structured grid and are > > exported to VTK in ascii format. Data for each variable (rho, p, e, B, > > gravity) is exported as one block in a <DataArray></DataArray>, with > > point data and cell > > data in 4 similar arrays with 3, 8, 8 and 12 times as many entries as > > there are points . > > > > Trying to open a 100^3 dataset brings about a segfault in libvtkGraphics: > > 0x00007fffe9742d88 in vtkDataSetSurfaceFilter::InsertQuadInHash(long > > long, long long, long long, long long, long long) () > > from /usr/lib64/paraview-3.6/libvtkGraphics.so.pv3.6 > > > > Opening a 99x100x100 and trying to apply CellDataToPointData causes a > > different crash: > > 0x00007fffe7bbfe21 in vtkCellLinks::BuildLinks(vtkDataSet*, > > vtkCellArray*) () > > from /usr/lib64/paraview-3.6/libvtkFiltering.so.pv3.6 > > > > A 95x100x100 opens and works. My colleague has read that this may be a > > limit > > in the serial vtk format, e.g. > > http://www.paraview.org/pipermail/paraview/2009-September/013768.html > > > > Is this fixable or do we need to export to a different format? > > > > -- Erik > > > > _______________________________________________ > > 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
