I don't think that this has anything to do with any limitation. I suspect that there is<br>something wrong in the connectivity of your mesh. Both of those methods use the<br>connectivity information and are likely to crash if you have cells pointing to non-<br>
existent point ids for example.<br><br>By the way, I don't recommend using the XML formats in ASCII mode for this size<br>data. The reader is pretty slow in parsing ASCII files. You would get significant<br>read-time improvement by using the appended mode (raw - no compression or<br>
encoding) or even the legacy format in binary. If you must do ASCII, I suggest<br>using the legacy format.<br><br>Cheers,<br>-berk<br><br><div class="gmail_quote">On Fri, Mar 5, 2010 at 2:21 AM, Erik Keever <span dir="ltr"><<a href="mailto:ejkeever@nerdshack.com">ejkeever@nerdshack.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">Hello,<br>
<br>
I'm using Paraview for visualization of 3D hydrodynamic and mhd simulations.<br>
My datasets are generated by a code with a structured grid and are exported<br>
to VTK in ascii format. Data for each variable (rho, p, e, B, gravity) is<br>
exported as one block in a <DataArray></DataArray>, with point data and cell<br>
data in 4 similar arrays with 3, 8, 8 and 12 times as many entries as there<br>
are points .<br>
<br>
Trying to open a 100^3 dataset brings about a segfault in libvtkGraphics:<br>
0x00007fffe9742d88 in vtkDataSetSurfaceFilter::InsertQuadInHash(long long,<br>
long long, long long, long long, long long) ()<br>
from /usr/lib64/paraview-3.6/libvtkGraphics.so.pv3.6<br>
<br>
Opening a 99x100x100 and trying to apply CellDataToPointData causes a<br>
different crash:<br>
0x00007fffe7bbfe21 in vtkCellLinks::BuildLinks(vtkDataSet*, vtkCellArray*) ()<br>
from /usr/lib64/paraview-3.6/libvtkFiltering.so.pv3.6<br>
<br>
A 95x100x100 opens and works. My colleague has read that this may be a limit<br>
in the serial vtk format, e.g.<br>
<a href="http://www.paraview.org/pipermail/paraview/2009-September/013768.html" target="_blank">http://www.paraview.org/pipermail/paraview/2009-September/013768.html</a><br>
<br>
Is this fixable or do we need to export to a different format?<br>
<br>
-- Erik<br>
<br>
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