<div dir="ltr"><div class="gmail_default" style="font-size:small">Thanks, I'll check it out. <br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sun, Jun 13, 2021 at 9:53 PM Even Rouault <<a href="mailto:even.rouault@spatialys.com">even.rouault@spatialys.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
  
    
  
  <div>
    <p>Ahmet,</p>
    <p>use the OGRGeometryFactory::forceTo(geom, wkbGeometrycollection)
      method:<br>
    </p>
    <p><a href="https://gdal.org/api/ogrgeometry_cpp.html#classOGRGeometryFactory_1a26120382ccfec8ac4b5f932dd3a67c5f" target="_blank">https://gdal.org/api/ogrgeometry_cpp.html#classOGRGeometryFactory_1a26120382ccfec8ac4b5f932dd3a67c5f</a><br>
    </p>
    <p>Even<br>
    </p>
    <div>Le 13/06/2021 à 20:45, Ahmet Temiz a
      écrit :<br>
    </div>
    <blockquote type="cite">
      <div dir="ltr">
        <div class="gmail_default">Hi,</div>
        <div class="gmail_default">I exported the geometry to geojson
          as:</div>
        <div class="gmail_default"><br>
        </div>
        <div class="gmail_default">OGRMultiPolygon * poOGRMultiPolygon=
          (OGRMultiPolygon * ) unionCascaded;<br>
              //<br>
           char * pszJSon= poOGRMultiPolygon->exportToJson();<br>
        </div>
        <div><br>
        </div>
        <div>
          <div class="gmail_default">this generates:</div>
          <div class="gmail_default"> "type": "MultiPolygon",
            "coordinates": ....</div>
          <div class="gmail_default"><br>
          </div>
          <div class="gmail_default">But.  I need geometrycollection.</div>
          <div class="gmail_default">How can I do that?</div>
          <div class="gmail_default"><br>
          </div>
          <div class="gmail_default">regards</div>
          <br>
        </div>
        -- <br>
        <div dir="ltr">
          <div dir="ltr">
            <div>
              <div dir="ltr">
                <div>
                  <div dir="ltr">
                    <div>Ahmet Temiz<br>
                      Jeoloji Müh.<br>
                      Afet ve Acil Durum Yönetimi Başkanlığı<br>
                      Deprem  Dairesi Başkanlığı<br>
                      <br>
                      <br>
                      ________________________<br>
                      <br>
                      Ahmet Temiz<br>
                      Geological Eng.<br>
                      <br>
                      Disaster and Emergency Management<br>
                      of Presidency</div>
                  </div>
                </div>
              </div>
            </div>
          </div>
        </div>
      </div>
      <br>
      <fieldset></fieldset>
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</pre>
    </blockquote>
    <pre cols="72">-- 
<a href="http://www.spatialys.com" target="_blank">http://www.spatialys.com</a>
My software is free, but my time generally not.</pre>
  </div>

</blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr" class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div>Ahmet Temiz<br>Jeoloji Müh.<br>Afet ve Acil Durum Yönetimi Başkanlığı<br>Deprem  Dairesi Başkanlığı<br><br><br>________________________<br><br>Ahmet Temiz<br>Geological Eng.<br><br>Disaster and Emergency Management<br>of Presidency</div></div></div></div></div></div></div>