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    <div class="moz-cite-prefix">OK, my local version wasn't up to date,
      which is why I was confused before. There seems to be a check for
      a hydro file (line 370 of data_structures.py) but I don't think
      it'd work (it's a check against a string, not against an
      os.path.exists call), and it'd only run if you're checking for
      fields. I suspect it's a bug in the latest version of the RAMSES
      frontend, and we should check that yt doesn't throw an error if
      you try to feed it a particle-only dataset, i.e. do a check for a
      "hydro_?????.out00001" file, and only read if it exists. If I get
      time tomorrow I might try to take a look.<br>
      <br>
      On 14/04/14 22:59, Marcelo Vargas dos Santos wrote:<br>
    </div>
    <blockquote
cite="mid:CACg44Gu6+OiRTniXQmeji3dnU=VvcYFZ6S2PFWzqerB6+8-Xsw@mail.gmail.com"
      type="cite">
      <meta http-equiv="Content-Type" content="text/html;
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      <div dir="ltr">
        <div>yt module located at:</div>
        <div>    /home/marcelo/Downloads/yt-x86_64/src/yt-hg</div>
        <div>The supplemental repositories are located at:</div>
        <div>    /home/marcelo/Downloads/yt-x86_64/src/yt-supplemental</div>
        <div>aviso: ignorando pai desconhecido do diretório de trabalho
          '794b2beb2c48'!</div>
        <div><br>
        </div>
        <div>The current version of the code is:</div>
        <div><br>
        </div>
        <div>---</div>
        <div>000000000000</div>
        <div>---</div>
        <div>
          <br>
        </div>
        <div>This installation CAN be automatically updated.</div>
        <div>yt dependencies were last updated on</div>
        <div>Qui Abr 10 19:15:16 BRT 2014</div>
        <div><br>
        </div>
        <div>To update all dependencies, run "yt update --all".</div>
        <div><br>
        </div>
      </div>
      <div class="gmail_extra"><br>
        <br>
        <div class="gmail_quote">On 14 April 2014 17:57, Nathan Goldbaum
          <span dir="ltr"><<a moz-do-not-send="true"
              href="mailto:nathan12343@gmail.com" target="_blank">nathan12343@gmail.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 Marcelo,
              <div><br>
              </div>
              <div>Can you tell us the output of 'yt instinfo' run from
                the command line?  That will give more precise version
                information.</div>
              <span class="HOEnZb"><font color="#888888">
                  <div><br>
                  </div>
                  <div>-Nathan</div>
                </font></span></div>
            <div class="HOEnZb">
              <div class="h5">
                <div class="gmail_extra">
                  <br>
                  <br>
                  <div class="gmail_quote">On Mon, Apr 14, 2014 at 1:56
                    PM, Marcelo Vargas dos Santos <span dir="ltr"><<a
                        moz-do-not-send="true"
                        href="mailto:marcelovsrj@gmail.com"
                        target="_blank">marcelovsrj@gmail.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">Sorry, i'm using the Bleeding Edge
                        version. There's no 4.0.0</div>
                      <div>
                        <div>
                          <div class="gmail_extra"><br>
                            <br>
                            <div class="gmail_quote">On 14 April 2014
                              17:55, Marcelo Vargas dos Santos <span
                                dir="ltr"><<a moz-do-not-send="true"
                                  href="mailto:marcelovsrj@gmail.com"
                                  target="_blank">marcelovsrj@gmail.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">I'm using the yt-4.0.0.</div>
                                <div>
                                  <div>
                                    <div class="gmail_extra"><br>
                                      <br>
                                      <div class="gmail_quote">
                                        On 14 April 2014 17:53, Sam Geen
                                        <span dir="ltr"><<a
                                            moz-do-not-send="true"
                                            href="mailto:samgeen@astro.ox.ac.uk"
                                            target="_blank">samgeen@astro.ox.ac.uk</a>></span>
                                        wrote:<br>
                                        <blockquote class="gmail_quote"
                                          style="margin:0 0 0
                                          .8ex;border-left:1px #ccc
                                          solid;padding-left:1ex">Out of
                                          interest, Marcelo, what
                                          version are you using? I just
                                          looked at the yt-3.0 code and
                                          it looks a little different,
                                          and doesn't seem to rely on
                                          hydro files existing as your
                                          log suggests. If you're not
                                          using yt-3.0 it's definitely
                                          worth trying it for the RAMSES
                                          module.
                                          <div>
                                            <div><br>
                                              <br>
                                              On 14/04/14 22:17, Kim,
                                              Ji-hoon wrote:<br>
                                              <blockquote
                                                class="gmail_quote"
                                                style="margin:0 0 0
                                                .8ex;border-left:1px
                                                #ccc
                                                solid;padding-left:1ex">
                                                Dear Marcelo,<br>
                                                <br>
                                                As noted by Matt, you
                                                may want to take a look
                                                at the yt script that
                                                was developed and used
                                                by the AGORA
                                                collaboration, to
                                                analyze the dark
                                                matter-only simulations
                                                of various astrophysical
                                                codes including Ramses.<br>
                                                <a
                                                  moz-do-not-send="true"
href="https://bitbucket.org/mornkr/agora-analysis-script/src/655e46d0b3a06d2e6da222a0f50f79ca5da3b48f/script-Flagship-DM.py?at=default"
                                                  target="_blank">https://bitbucket.org/mornkr/agora-analysis-script/src/655e46d0b3a06d2e6da222a0f50f79ca5da3b48f/script-Flagship-DM.py?at=default</a><br>
                                                <br>
                                                Thank you very much.<br>
                                                <br>
                                                Best wishes,<br>
                                                Ji-hoon<br>
                                                <br>
                                                <br>
-------------------------------------------------------------------------<br>
                                                Ji-hoon Kim<br>
                                                Postdoctoral Scholar in
                                                Astrophysics at Caltech<br>
                                                <a
                                                  moz-do-not-send="true"
href="http://www.jihoonkim.org" target="_blank">www.jihoonkim.org</a><br>
                                                <a
                                                  moz-do-not-send="true"
href="mailto:me@jihoonkim.org" target="_blank">me@jihoonkim.org</a> / <a
                                                  moz-do-not-send="true"
href="tel:1%28650%29714-2879" value="+16507142879" target="_blank">1(650)714-2879</a><br>
-------------------------------------------------------------------------<br>
                                                <br>
                                                <br>
                                                <br>
                                                <br>
                                                On Apr 14, 2014, at
                                                12:57 PM, Matthew Turk
                                                <<a
                                                  moz-do-not-send="true"
href="mailto:matthewturk@gmail.com" target="_blank">matthewturk@gmail.com</a>>
                                                wrote:<br>
                                                <br>
                                                <blockquote
                                                  class="gmail_quote"
                                                  style="margin:0 0 0
                                                  .8ex;border-left:1px
                                                  #ccc
                                                  solid;padding-left:1ex">
                                                  Hi Marcelo,<br>
                                                  <br>
                                                  Sorry to hear you're
                                                  having trouble.  I
                                                  haven't done much with
                                                  RAMSES<br>
                                                  dark matter only
                                                  simulations, but I
                                                  think that Ji-hoon Kim
                                                  may have in<br>
                                                  support of the AGORA
                                                  project.
                                                   Additionally, others
                                                  here might have<br>
                                                  some experience.<br>
                                                  <br>
                                                  In general, we are
                                                  happy to help get
                                                  things working and
                                                  running --<br>
                                                  this seems like a
                                                  genuine bug which we
                                                  will need to address.
                                                   Can you<br>
                                                  post the full
                                                  traceback?<br>
                                                  <br>
                                                  -Matt<br>
                                                  <br>
                                                  On Mon, Apr 14, 2014
                                                  at 3:45 PM, Marcelo
                                                  Vargas dos Santos<br>
                                                  <<a
                                                    moz-do-not-send="true"
href="mailto:marcelovsrj@gmail.com" target="_blank">marcelovsrj@gmail.com</a>>
                                                  wrote:<br>
                                                  <blockquote
                                                    class="gmail_quote"
                                                    style="margin:0 0 0
                                                    .8ex;border-left:1px
                                                    #ccc
                                                    solid;padding-left:1ex">
                                                    I'm trying to use
                                                    HaloFinders on a
                                                    ramses simulation
                                                    without hydro. but
                                                    it's<br>
                                                    not working. Tha
                                                    error message is:<br>
                                                    <br>
                                                    No such file or
                                                    directory:<br>
'/home/marcelo/Simulations/NBody/Ramses/branches/ramses_omp/run1/output_00001/hydro_00001.out00001'<br>
                                                    <br>
                                                    someone know how to
                                                    fix it?<br>
                                                    <br>
                                                    Best.<br>
                                                    <br>
                                                    --<br>
                                                    Marcelo Vargas dos
                                                    Santos<br>
                                                    Professor e
                                                    Doutorando<br>
                                                    <br>
                                                    Sala A 318-05<br>
                                                    Tel.: <a
                                                      moz-do-not-send="true"
href="tel:%2821%29%202562-7276" value="+12125627276" target="_blank">(21)
                                                      2562-7276</a><br>
                                                    E-mails: <a
                                                      moz-do-not-send="true"
href="mailto:vargas@if.ufrj.br" target="_blank">vargas@if.ufrj.br</a>,  <a
moz-do-not-send="true" href="mailto:marcelovsrj@gmail.com"
                                                      target="_blank">marcelovsrj@gmail.com</a><br>
                                                    Departamento de
                                                    Física Teórica -
                                                    Instituto de Física<br>
                                                    Universidade Federal
                                                    do Rio de Janeiro<br>
                                                    <br>
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                                      <br clear="all">
                                      <div><br>
                                      </div>
                                      -- <br>
                                      <div dir="ltr">Marcelo Vargas dos
                                        Santos<br>
                                        Professor e Doutorando<br>
                                        <br>
                                        Sala A 318-05<br>
                                        Tel.: <a moz-do-not-send="true"
href="tel:%2821%29%202562-7276" value="+12125627276" target="_blank">(21)
                                          2562-7276</a><br>
                                        E-mails: <a
                                          moz-do-not-send="true"
                                          href="mailto:vargas@if.ufrj.br"
                                          target="_blank">vargas@if.ufrj.br</a>, 
                                        <a moz-do-not-send="true"
                                          href="mailto:marcelovsrj@gmail.com"
                                          target="_blank">marcelovsrj@gmail.com</a><br>
                                        Departamento de Física Teórica
                                        - Instituto de Física<br>
                                        Universidade Federal do Rio de
                                        Janeiro</div>
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                            <br>
                            <br clear="all">
                            <div><br>
                            </div>
                            -- <br>
                            <div dir="ltr">Marcelo Vargas dos Santos<br>
                              Professor e Doutorando<br>
                              <br>
                              Sala A 318-05<br>
                              Tel.: <a moz-do-not-send="true"
                                href="tel:%2821%29%202562-7276"
                                value="+12125627276" target="_blank">(21)
                                2562-7276</a><br>
                              E-mails: <a moz-do-not-send="true"
                                href="mailto:vargas@if.ufrj.br"
                                target="_blank">vargas@if.ufrj.br</a>, 
                              <a moz-do-not-send="true"
                                href="mailto:marcelovsrj@gmail.com"
                                target="_blank">marcelovsrj@gmail.com</a><br>
                              Departamento de Física Teórica - Instituto
                              de Física<br>
                              Universidade Federal do Rio de Janeiro</div>
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        <br>
        <br clear="all">
        <div><br>
        </div>
        -- <br>
        <div dir="ltr">Marcelo Vargas dos Santos<br>
          Professor e Doutorando<br>
          <br>
          Sala A 318-05<br>
          Tel.: (21) 2562-7276<br>
          E-mails: <a moz-do-not-send="true"
            href="mailto:vargas@if.ufrj.br" target="_blank">vargas@if.ufrj.br</a>, 
          <a moz-do-not-send="true" href="mailto:marcelovsrj@gmail.com"
            target="_blank">marcelovsrj@gmail.com</a><br>
          Departamento de Física Teórica - Instituto de Física<br>
          Universidade Federal do Rio de Janeiro</div>
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      <br>
      <pre wrap="">_______________________________________________
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