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    E' un po' OT ma giusto per far capire. Se lo strato di roccia che il
    sub ha sopra la testa non è superiore ai 100 metri usano questo
    <a class="moz-txt-link-freetext" href="https://sites.google.com/site/kendiver/pinger">https://sites.google.com/site/kendiver/pinger</a> che è un progetto
    pubblicato. A quel punto puoi ottenere punti gps precisi e quote con
    il profondimetro precise. Però (per far un esempio) è improponibile
    da utilizzare alle Grotte di Oliero, perchè di roccia sopra la testa
    ne avrai 6-700 metri almeno.<br>
    <br>
    <div class="moz-cite-prefix">Il 19/05/14 18:45, Manuel Trentin ha
      scritto:<br>
    </div>
    <blockquote
cite="mid:CA+TZ_1eSGXQ4dFG1s0GcJzNXENP-0DeL6KMwmbjoQWQcvaP6XQ@mail.gmail.com"
      type="cite">
      <p dir="ltr">Ci avevo provato anch'io quando ho fatto il corso
        speleo, avevo provato <a moz-do-not-send="true"
          href="http://therion.speleo.sk/">http://therion.speleo.sk/</a>
        e una altro che non ricordo ma con google si fa presto</p>
      <div class="gmail_quote">Il 19/mag/2014 17:00 "samuele d'osvaldi"
        <<a moz-do-not-send="true"
          href="mailto:samuele.dosvaldi@gmail.com">samuele.dosvaldi@gmail.com</a>>
        ha scritto:<br type="attribution">
        <blockquote class="gmail_quote" style="margin:0 0 0
          .8ex;border-left:1px #ccc solid;padding-left:1ex">
          <p dir="ltr">...grazie x il chiarimento!</p>
          <p dir="ltr">S.</p>
          <div class="gmail_quote">Il 19/mag/2014 16:53 "Ivan Dalla
            Zuanna" <<a moz-do-not-send="true"
              href="mailto:ivan@x-globe.net" target="_blank">ivan@x-globe.net</a>>
            ha scritto:<br type="attribution">
            <blockquote class="gmail_quote" style="margin:0 0 0
              .8ex;border-left:1px #ccc solid;padding-left:1ex">
              <div bgcolor="#FFFFFF" text="#000000"> Ciao, si tratta di
                una elettronica con la quale mi hanno permesso di
                giocare un po'. E' sperimentale ma non è open per il
                momento. Credo che difficilmente sia utilizzabile per la
                ricostruzione tridimensionale di oggetti perchè la
                definizione del punto Z (che secondo me è probabilmente
                anche la misura più precisa) è fatta con un
                profondimetro. Questo significa che devi essere in
                acqua.<br>
                <br>
                <div>Il 19/05/14 16:15, samuele d'osvaldi ha scritto:<br>
                </div>
                <blockquote type="cite">
                  <p dir="ltr">...scusa Ivan, son curioso...in cosa
                    consiste sto sistema x ricavare i punti x,y,z?<br>
                    Si può usare anche con oggetti per ricostruzione
                    tridimensionale?<br>
                    È opensource?</p>
                  <p dir="ltr">Grazie<br>
                    Samuele d'Osvaldi<br>
                  </p>
                  <div class="gmail_quote">Il 19/mag/2014 15:21 "Ivan
                    Dalla Zuanna" <<a moz-do-not-send="true"
                      href="mailto:ivan@x-globe.net" target="_blank">ivan@x-globe.net</a>>

                    ha scritto:<br type="attribution">
                    <blockquote class="gmail_quote" style="margin:0 0 0
                      .8ex;border-left:1px #ccc solid;padding-left:1ex">
                      <div bgcolor="#FFFFFF" text="#000000">
                        Fantanstico! Adesso so come passare qualche
                        notte, invece di perdere tempo a dormire! <br>
                        Grazie!<br>
                        <br>
                        <div>Il 19/05/14 15:06, samuele d'osvaldi ha
                          scritto:<br>
                        </div>
                        <blockquote type="cite">
                          <p dir="ltr">Meshlab+blender? Tutto open...</p>
                          <p dir="ltr">Googla un pó x info...</p>
                          <p dir="ltr">Samuele d'osvaldi</p>
                          <div class="gmail_quote">Il 19/mag/2014 14:21
                            "Stefano Fraccaro" <<a
                              moz-do-not-send="true"
                              href="mailto:stefano.fraccaro@gmail.com"
                              target="_blank">stefano.fraccaro@gmail.com</a>>
                            ha scritto:<br type="attribution">
                            <blockquote class="gmail_quote"
                              style="margin:0 0 0 .8ex;border-left:1px
                              #ccc solid;padding-left:1ex"> webgl?<br>
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