<div dir="ltr">Hi,<div><br></div><div>You should try st_buildArea, or st_polygonize, as suggested by Remi. It corrects these kinds of errors.</div><div><br></div><div>Nicolas</div></div><div class="gmail_extra"><br><br><div class="gmail_quote">

On 11 February 2014 17:21, Richard LEHAUT <span dir="ltr"><<a href="mailto:richard.lehaut@crpf.fr" target="_blank">richard.lehaut@crpf.fr</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">


  
    
  
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    <div>My problem is the exterior ring of the
      polygon. There are points inside of this ring<br>
      <a href="http://hpics.li/2807e0d" target="_blank">http://hpics.li/2807e0d</a><br>
      These points make needless segments<br>
      <a href="http://imagik.fr/uploads/75091" target="_blank">http://imagik.fr/uploads/75091</a> (Inside black circle)<br>
      Cheers,<br>
      Richard L<br>
      <br>
      Le 11/02/2014 17:02, Rémi Cura a écrit :<br>
    </div><div><div class="h5">
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        <div>What is the problem?<br>
        </div>
        <div>What are "internal" lines?<br>
        </div>
        Cheers,<br>
        Rémi-C<br>
      </div>
      <div class="gmail_extra"><br>
        <br>
        <div class="gmail_quote">2014-02-11 16:59 GMT+01:00 Richard
          LEHAUT <span dir="ltr"><<a href="mailto:richard.lehaut@crpf.fr" target="_blank">richard.lehaut@crpf.fr</a>></span>:<br>
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            <div text="#000000" bgcolor="#FFFFFF">
              <div>Thanks for response<br>
                The fourth proposition is correct for external but not
                internal lines : ST_Buffer (ST_Buffer (the_geom), -0.1),
                0.1 <br>
                <br>
                Look <a href="http://imagik.fr/uploads/75091" target="_blank">http://imagik.fr/uploads/75091</a><br>
                Do you have an idea to solve this new problem?
                <div><br>
                  <br>
                  Cheers,<br>
                  Richard L<br>
                  <div><br>
                  </div>
                  Le 10/02/2014 13:56, Rémi Cura a écrit :<br>
                </div>
              </div>
              <div>
                <blockquote type="cite">
                  <blockquote type="cite">
                    <div dir="ltr">
                      <div>
                        <div>simplify <br>
                          simplify preserve topology<br>
                          polygonise then filter on area, <br>
                        </div>
                        opening operator (negativ buffer of X then
                        positiv buffer of X)<br>
                        ...<br>
                        <br>
                      </div>
                      Cheers,<br>
                      <br>
                      Rémi-C<br>
                      <div>
                        <div><br>
                        </div>
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                    <div class="gmail_extra"><br>
                      <div class="gmail_quote">2014-02-10 13:43
                        GMT+01:00 Richard LEHAUT <span dir="ltr"><<a href="mailto:richard.lehaut@crpf.fr" target="_blank">richard.lehaut@crpf.fr</a>></span>:<br>
                        <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
                          <div>
                            <div>Hi<br>
                              I succeeded to correct interior rings, but
                              I've problem wih interior rings.<br>
                              Looks this screen (black circle). <a href="http://imagik.fr/view-rl/74788" target="_blank">http://imagik.fr/view-rl/74788</a><br>
                              Do you idea to resolve my problem?<br>
                              Thanks<br>
                              Richard L<br>
                              <br>
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