High Jean,<br>
<br>
Yes, I think you&#39;re right, but for my project <span id="result_box" class="short_text"><span style="background-color: rgb(230, 236, 249); color: rgb(0, 0, 0);" title="">it is a requirement</span></span> to use one and only one file...<br>

I use the VTK class vtkXMLWriterC to write all my data in a unique file with all time.<br>
<br>
Pascal<br><br><br><div class="gmail_quote">
2010/9/1 Favre  Jean <span dir="ltr">&lt;<a href="mailto:jfavre@cscs.ch" target="_blank">jfavre@cscs.ch</a>&gt;</span><br><blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">

<br>
<br>
May I suggest the following syntax? use a file with suffic .pvd and describe the collection with the following list. You may specify all timestep values explicitly<br>
<br>
&lt;VTKFile type=&quot;Collection&quot; version=&quot;0.1&quot; byte_order=&quot;LittleEndian&quot;&gt;<br>
  &lt;Collection&gt;<br>
    &lt;DataSet part=&quot;0&quot;  timestep=&quot;0&quot; file=&quot;td_0.vtu&quot;/&gt;<br>
    &lt;DataSet part=&quot;0&quot;  timestep=&quot;0.1&quot; file=&quot;td_1.vtu&quot;/&gt;<br>
    &lt;DataSet part=&quot;0&quot;  timestep=&quot;0.3&quot; file=&quot;td_2.vtu&quot;/&gt;<br>
    &lt;DataSet part=&quot;0&quot;  timestep=&quot;0.66&quot; file=&quot;td_3.vtu&quot;/&gt;<br>
    &lt;DataSet part=&quot;0&quot;  timestep=&quot;0.87&quot; file=&quot;td_4.vtu&quot;/&gt;<br>
    &lt;DataSet part=&quot;0&quot;  timestep=&quot;0.99&quot; file=&quot;td_5.vtu&quot;/&gt;<br>
  &lt;/Collection&gt;<br>
&lt;/VTKFile&gt;<br>
<br>
<br>
-----------------<br>
Jean M. Favre<br>
Scientific Computing Research<br>
Swiss National Supercomputing Center<br>
CH-6928 Manno<br>
Switzerland<br>
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