<div dir="ltr"><div>Hi Berk,<br></div><div><br>Ok, thanks for the info! This will help us to better decide the format for the next project(s).<br><br>>> We are currently working on a new set of readers and writers that will
support distributed data much better and that will be much more flexible
to address various needs. >> It will take us a few more months to get
there however.<br>Sounds promising!<br><br>Saludos,<br><br>Luis<br><br></div><div><br></div></div><div class="gmail_extra"><br clear="all"><div><div dir="ltr"><span style="font-size:11.0pt;color:navy">--------------------------------- </span><br>
<span style="color:#1f497d" lang="CA">Luis Manuel de Vries</span><span style="font-size:12.0pt;font-family:"Times New Roman","serif";color:#1f497d" lang="CA"></span><p>
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<br><br><div class="gmail_quote">On 8 December 2013 03:02, Berk Geveci <span dir="ltr"><<a href="mailto:berk.geveci@kitware.com" target="_blank">berk.geveci@kitware.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr">Hi Luis,<div><br></div><div>The answer depends on various factors - data size, file system, number of MPI ranks, do you need support for time series, do you mind dealing with large number of files, does the topology change over time etc etc. Usually, the optimal solution is to implement readers most suitable for these factors. A custom HDF5 implementation for example.</div>
<div><br></div><div>However, implementing a new reader is a decent amount of work. At this point, I suspect that the next best thing will be using the pvd format pointing to vtm files point to vtu/vti/vtr/vts files. To avoid the file explosion, you may want to reduce the number of vtu/vti/... files you write by gathering data with MPI to a smaller MPI group before writing. Unfortunately, there is currently no support for static topology so you will have to duplicate that for each time step. If this is a major issue, I recommend using the Exodus format for unstructured grids. It supports time dependent and parallel data really well and is probably the best supported format in ParaView.</div>
<div><br></div><div>We are currently working on a new set of readers and writers that will support distributed data much better and that will be much more flexible to address various needs. It will take us a few more months to get there however.</div>
<div><br></div><div>Best,</div><div>-berk</div></div><div class="gmail_extra"><br><br><div class="gmail_quote"><div><div class="h5">On Wed, Dec 4, 2013 at 4:48 AM, Luis Manuel de Vries <span dir="ltr"><<a href="mailto:luis.de.vries@amphos21.com" target="_blank">luis.de.vries@amphos21.com</a>></span> wrote:<br>
</div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div class="h5"><div dir="ltr"><div>Hi,<br><br></div><div><div>I know that Paraview supports many different file formats (<a href="http://paraview.org/Wiki/ParaView:FAQ#What_file_formats_does_ParaView_support.3F" target="_blank">http://paraview.org/Wiki/ParaView:FAQ#What_file_formats_does_ParaView_support.3F</a>).<br>
I know that the following parallel binary formats are among the ones supported:<br>- VTK files (xml with zipped, binary data)<br>- ParaView data files<br>- HDF5 files (different formats)<br>- XDMF<br><br>What I would like to know is which format is best parallelized by ParaView/VTK? <br>
When using structured or unstructured grids (size in the range of tens of gigabytes), does it <br>make sense to split up the file in different data sets manually? Or does ParaView/VTK do this <br>automatically? Or does it depend on which of the above formats is used?<br>
I have been using the PFLOTRAN HDF5 reader for a project (around 100 million cells), and it <br>did not behave very nicely so I was wondering if it would make sense in converting the files.<br>Is there any difference in using XDMF (HDF5 + XML meta descriptions <br>
if I understood correctly) or HDF5 directly within ParaView?<br><br></div><div>Thanks for the info,<br><br></div><div>Luis Manuel<br clear="all"></div><div><div><div dir="ltr"><span style="font-size:11pt;color:navy">--------------------------------- </span><br>
<span style="color:rgb(31,73,125)" lang="CA">Luis Manuel de Vries</span><span style="font-size:12pt;font-family:"Times New Roman","serif";color:rgb(31,73,125)" lang="CA"></span><p>
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