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    <div class="moz-cite-prefix">Hi Andy,<br>
      <br>
      Thanks for the clarification. One minor question, after applying
      Merge Blocks is it still processing in serial mode or can i use
      MPI to improve the performance? By the way, i am also using NVIDIA
      Index plugin. I think that it supports parallel rendering but
      again not for multi block dataset. Right?<br>
      <br>
      Regards,<br>
      <br>
      --ufuk<br>
      <br>
      On 20/09/2017 22:12, Andy Bauer wrote:<br>
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cite="mid:CAMaOp+G99BQRfoXeM0hyTt6RWMayrp3DrkRviNjqDxmtG-Sr-g@mail.gmail.com">
      <div dir="ltr">Hi Ufuk,
        <div><br>
        </div>
        <div>ParaView doesn't currently support volume rendering of
          multiblock datasets, even in serial, so using the Merge Blocks
          filter is probably the best way to do any volume rendering of
          your dataset.</div>
        <div><br>
        </div>
        <div>Cheers,</div>
        <div>Andy</div>
      </div>
      <div class="gmail_extra"><br>
        <div class="gmail_quote">On Wed, Sep 20, 2017 at 2:45 PM, Ufuk
          Turuncoglu <span dir="ltr"><<a
              href="mailto:u.utku.turuncoglu@be.itu.edu.tr"
              target="_blank" moz-do-not-send="true">u.utku.turuncoglu@be.itu.edu.tr</a>></span>
          wrote:<br>
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            .8ex;border-left:1px #ccc solid;padding-left:1ex">
            <div>
              <div
style="font-family:arial,helvetica,sans-serif;font-size:12pt;color:#000000">
                <div>Hi,</div>
                <div><br>
                </div>
                <div>I am trying to perform volume rendering (VR) using
                  multi-block + multi-piece dataset. In this case, the
                  data file has single block that contains multiple
                  piece (created by MPI parallel simulation code) and it
                  is in structured grid. When I try to use volume
                  rendering with raw data, it creates empty output but
                  if I use Merge Block filter before using volume
                  rendering, it works without any problem. So, I have to
                  use <span
style="color:#000000;font-family:arial,helvetica,sans-serif;font-size:16px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:#ffffff;display:inline!important;float:none">Merge
                    Blocks to perform VR. </span>At this point, I just
                  wonder that is it typical behaviour of ParaView for <span
style="color:#000000;font-family:arial,helvetica,sans-serif;font-size:16px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:#ffffff;display:inline!important;float:none"><span
style="color:#000000;font-family:arial,helvetica,sans-serif;font-size:16px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:#ffffff;display:inline!important;float:none"><span
style="color:#000000;font-family:arial,helvetica,sans-serif;font-size:16px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:#ffffff;display:inline!important;float:none">multi-block
                        + multi-piece datasets? Is it still possible to
                        perform VR in parallel if I had a multiple core
                        (such as enabling Auto MPI from the settings)?
                        If not is there any way to re-structure the data
                        to perform more efficient rendering?</span></span></span></div>
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                  <div style="clear:both">Best Regards,</div>
                  <div style="clear:both"><br>
                  </div>
                  <div style="clear:both">--ufuk</div>
                  <div style="clear:both"><br>
                  </div>
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                  </div>
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