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    <p>Johannes,</p>
    <p>You have a number of .gfs templates file in
      <a class="moz-txt-link-freetext" href="https://github.com/OSGeo/gdal/tree/master/data">https://github.com/OSGeo/gdal/tree/master/data</a></p>
    <p>Otherwise just read the code of <span class="pl-en">GMLFeatureClass::InitializeFromXML</span>()
      if you want to have the full view of what the GFS reader
      understand:
<a class="moz-txt-link-freetext" href="https://github.com/OSGeo/gdal/blob/master/ogr/ogrsf_frmts/gml/gmlfeatureclass.cpp#L456">https://github.com/OSGeo/gdal/blob/master/ogr/ogrsf_frmts/gml/gmlfeatureclass.cpp#L456</a>
      which is the ultimate authoritative source. That said a .xsd file
      for .gfs could be useful, if that's something you'd be willing to
      contribute.<br>
    </p>
    <p>Even<br>
    </p>
    <div class="moz-cite-prefix">Le 25/10/2022 à 15:16, Johannes
      Echterhoff a écrit :<br>
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cite="mid:GV1P193MB2232623C15E3B7938378CE36FC319@GV1P193MB2232.EURP193.PROD.OUTLOOK.COM">
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        <p class="MsoNormal"><span lang="EN-US">Hello,</span></p>
        <p class="MsoNormal"><span lang="EN-US"> </span></p>
        <p class="MsoNormal"><span lang="EN-US">The documentation of the
            GML driver on <a
              href="https://gdal.org/drivers/vector/gml.html"
              moz-do-not-send="true" class="moz-txt-link-freetext">
              https://gdal.org/drivers/vector/gml.html</a> has two
            sections that describe the .gfs file format to some extent
            (section “Syntax of .gfs file by example” and section
            “Advanced .gfs syntax”). When looking for more information
            about the .gfs format, I came across
            <a href="https://github.com/OSGeo/gdal/issues/1138"
              moz-do-not-send="true" class="moz-txt-link-freetext">https://github.com/OSGeo/gdal/issues/1138</a>,
            where <precision> was mentioned as an additional
            element that can be used in .gfs files.
          </span></p>
        <p class="MsoNormal"><span lang="EN-US"> </span></p>
        <p class="MsoNormal"><span lang="EN-US">Is the .gfs. file format
            documented somewhere in full detail? I would like to write
            .gfs template files, and in order to do so, knowing all
            available elements, options, as well as syntax requirements
            would be great to know. So far, I only came across a number
            of examples – which certainly help – but I would like to
            consult an authoritative source, if there is one.</span></p>
        <p class="MsoNormal"><span lang="EN-US"> </span></p>
        <p class="MsoNormal"><span lang="EN-US">Best regards,</span></p>
        <p class="MsoNormal"><span lang="EN-US">Johannes</span></p>
        <p class="MsoNormal"><span lang="EN-US"> </span></p>
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      <pre class="moz-quote-pre" wrap="">_______________________________________________
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</pre>
    </blockquote>
    <pre class="moz-signature" cols="72">-- 
<a class="moz-txt-link-freetext" href="http://www.spatialys.com">http://www.spatialys.com</a>
My software is free, but my time generally not.</pre>
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