I had never realised that. Thanks! That is most useful.<div><br></div><div>Footleg<br><br><div class="gmail_quote">On 14 August 2012 16:44, Torstein Finnesand <span dir="ltr">&lt;<a href="mailto:torstein.finnesand@gmail.com" target="_blank">torstein.finnesand@gmail.com</a>&gt;</span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
  
    
  
  <div bgcolor="#FFFFFF" text="#000000">
    I thought it was possible to create a centerline only KML file by
    using &quot;model&quot; (not &quot;map&quot;), like this:<br>
    <br>
    export model -format kml -output ALV_kml.kml<span class="HOEnZb"><font color="#888888"><br>
    <br>
    Torstein</font></span><div><div class="h5"><br>
    <br>
    <br>
    On 14.08.2012 17:28, Ricardo Constantino wrote:
    <blockquote type="cite">
      
      <br>
      Thanks for the feedback.<br>
      <br>
      That was the general idea - map out over Google the centerlines of
      a couple of caves to see &quot;the big picture&quot;.<br>
      Is it worth trying to draw a single line scrap over the centerline
      to see how it reacts ?<br>
      <br>
      I&#39;ve also tried to generate KML output with my complete data set
      (with scraps) - it warns that the data is not georeferenced and
      generates an empty KML.<br>
      I have at least one station fixed (as in the example I attached
      previously), and don&#39;t understand what I am missing to get over
      this hurdle.<br>
      <br>
      Best,<br>
      Ricardo<br>
      <br>
      <br>
      <div>Em 14-08-2012 15:58, Footleg
        escreveu:<br>
      </div>
      <blockquote type="cite">It looks like you have not drawn and included any
        scraps yet. These are needed to define the walls which in turn
        drive the KML file generation. I don&#39;t know if there is any way
        to create a centreline only KML file. I&#39;ve wondered this before,
        as it would be quite useful to see the centrelines for an entire
        cave in GoogleEarth before drawing all (or even before I&#39;ve
        drawn any) scraps.
        <div> <br>
        </div>
        <div>Footleg<br>
          <br>
          <div class="gmail_quote">On 14 August 2012 15:01, Ricardo
            Constantino <span dir="ltr">&lt;<a href="mailto:ricardo@entrada.tv" target="_blank">ricardo@entrada.tv</a>&gt;</span>
            wrote:<br>
            <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
              <div bgcolor="#FFFFFF" text="#000000"> Hello,<br>
                <br>
                I need someone&#39;s help to generate a KML file ...<br>
                Attached is an extract of the cave survey data / config
                file that I&#39;ve been using - but the result is always an
                &quot;emplty&quot; KML file.<br>
                What am I doing wrong ?<br>
                <br>
                Thanks in advance,<br>
                Ricardo<br>
                <br>
                <br>
                <div>
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