<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /></head><body style='font-size: 10pt; font-family: Verdana,Geneva,sans-serif'>
<p>Hi Yves,</p>
<p>This has mainly "historic" reasons.</p>
<p>It was introduced specifically when saving QGIS layers to DXF through OGR. I believe also the KML export is affected to some extent.</p>
<p>Our first attempt to export QGIS layer to DXF went through OGR with OGR feature - however, this was too limited, and it was abandoned.</p>
<p>"No symbology" means, simple black default lines</p>
<p>"Feature symbology" means "Save with OGR Feature Styles"</p>
<p>"Symbol Layer symbology" means "Save with OGR Feature Styles but export the same geometry multiple times if there are multiple symbology symbol layers used"</p>
<p>Meanwhile the DXF export from QGIS goes through a native DXF writer - without OGR, so the above approach was abandoned and hasn't been worked on for some years now.</p>
<p>-------------------------</p>
<p>I hope this explains what it does, but as I said it is limited for export to DXF/KML or potentially formats that support OGR feature styles - formats that can handle styles.</p>
<p>For QGIS 3.0 I see the following ways to get rid of this:</p>
<p>1. keep it but improve it (unlikely)</p>
<p>2. hide it for layers that don't support OGR feature styles (can be combined with 1.)</p>
<p>3. get rid of it completely (my preferred option if 1. does not happen)</p>
<p>BTW: 2. could probably be done for QGIS 2.16 and 2.14 already, to have fewer confused users ...</p>
<p>Hope this explains it.</p>
<p>What do others think?</p>
<p>Andreas</p>
<p>On 2016-06-24 10:43, Yves Jacolin wrote</p>
<blockquote type="cite" style="padding: 0 0.4em; border-left: #1010ff 2px solid; margin: 0"><!-- html ignored --><!-- head ignored --><!-- meta ignored -->
<div class="pre" style="margin: 0; padding: 0; font-family: monospace">Hello,<br /><br /> Working in the "save as ..." feature documentation I wondering what "Symbology <br /> export" parameters mean. There are 3 possibilities: "No symbology", "Feature <br /> symbology" and "Symbol layer symbology".<br /><br /> Any idea what does it mean?<br /><br /> Thanks,<br /><br /> Y.</div>
<br />
<div class="pre" style="margin: 0; padding: 0; font-family: monospace">_______________________________________________<br /> Qgis-developer mailing list<br /><a href="mailto:Qgis-developer@lists.osgeo.org">Qgis-developer@lists.osgeo.org</a><br /> List info: <a href="http://lists.osgeo.org/mailman/listinfo/qgis-developer">http://lists.osgeo.org/mailman/listinfo/qgis-developer</a><br /> Unsubscribe: <a href="http://lists.osgeo.org/mailman/listinfo/qgis-developer">http://lists.osgeo.org/mailman/listinfo/qgis-developer</a></div>
</blockquote>
<p> </p>
<div> </div>
</body></html>