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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Hi Peter: Adding the following metadata to the layer returns a multipolygon for me:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"> METADATA<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"> "ows_geomtype" "Geometry"<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"> END<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Without specific direction on geometry type it may be that MapServer is capitalizing on the layer type or something like that.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Steve<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> mapserver-users [mailto:mapserver-users-bounces@lists.osgeo.org]
<b>On Behalf Of </b>Peter Schmitt<br>
<b>Sent:</b> Friday, January 05, 2018 12:09 PM<br>
<b>To:</b> mapserver-users@lists.osgeo.org<br>
<b>Subject:</b> [mapserver-users] MultiPolygon layer requested as GeoJSON is returned as Polygon<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Hi,<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">I have a layer with one MultiPolygon feature. I issue a request for the layer as GeoJSON, like so:<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">curl "<a href="http://localhost/mapserv?MAP=/usr/src/mapfiles/busted.map&service=WFS&VERSION=1.1.0&REQUEST=getfeature&typename=should_be_multi&OUTPUTFORMAT=geojson">http://localhost/mapserv?MAP=/usr/src/mapfiles/busted.map&service=WFS&VERSION=1.1.0&REQUEST=getfeature&typename=should_be_multi&OUTPUTFORMAT=geojson</a>"<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">In response, I get a single feature, but it has been converted to a Polygon.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">{<o:p></o:p></p>
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<p class="MsoNormal"> "type": "FeatureCollection", "name": "should_be_multi", "features": [<o:p></o:p></p>
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<p class="MsoNormal"> { "type": "Feature", "properties": { }, "geometry": { "type": "Polygon", "coordinates": ... } }<o:p></o:p></p>
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<p class="MsoNormal"> ]<o:p></o:p></p>
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<p class="MsoNormal">}<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">The returned polygon has interior rings, one of which should actually be a separate polygon with its own interior rings. I think this is wrong and the geometry type returned by MapServer should be MultiPolygon. Can anyone help me understand
what is going on?<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Here's the feature as a MultiPolygon I expected to receive:<o:p></o:p></p>
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<p class="MsoNormal"><a href="http://bl.ocks.org/d/640884687326af5d123a5fc761884e3d">http://bl.ocks.org/d/640884687326af5d123a5fc761884e3d</a><o:p></o:p></p>
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<p class="MsoNormal"><a href="http://bl.ocks.org/d/640884687326af5d123a5fc761884e3d/map.geojson">http://bl.ocks.org/d/640884687326af5d123a5fc761884e3d/map.geojson</a><o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Here's my MAP file:<o:p></o:p></p>
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<p class="MsoNormal"><a href="https://gist.github.com/pedros007/f685d8d336c77aff4cc56673b85f6672">https://gist.github.com/pedros007/f685d8d336c77aff4cc56673b85f6672</a><o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Thanks,<o:p></o:p></p>
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<p class="MsoNormal">Pete<o:p></o:p></p>
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