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<p><tt>Hi Andreas,</tt></p>
<p><tt><br>
</tt></p>
<p><tt>> </tt><tt><span class="html-tag">Can you point me to an
example how to create a valid GetMap request with an SLD
submitted?</span></tt></p>
<p><tt><span class="html-tag"><br>
</span></tt></p>
<p><tt>There's a basic example in unit tests:
<a class="moz-txt-link-freetext" href="https://github.com/qgis/QGIS/blob/master/tests/src/python/test_qgsserver_wms_getmap.py#L1309-L1325">https://github.com/qgis/QGIS/blob/master/tests/src/python/test_qgsserver_wms_getmap.py#L1309-L1325</a><br>
</tt></p>
<p><tt><br>
</tt></p>
<p><tt>Regards,</tt><tt><br>
</tt></p>
<p><tt>Paul</tt><br>
</p>
<p><br>
</p>
<div class="moz-cite-prefix">On 4/9/19 4:14 PM, Andreas Neumann
wrote:<br>
</div>
<blockquote type="cite"
cite="mid:5ab459b052a817a9982df7eac5b5a8ef@carto.net">
<p>Hi,</p>
<p>I did some test:</p>
<p>Here is a long URL with the SLD (originally sent by QGIS
server, stripped away some RULES manually) and sending it back
in a GetMap request:</p>
<p><a
href="https://services.geo.zg.ch/ows-oereb/Grundwasserschutz?SERVICE=WMS&VERSION=1.3.0&REQUEST=GetMap&BBOX=2682932,1225299,2684213,1226054&CRS=EPSG:2056&WIDTH=1615&HEIGHT=952&LAYERS=ch.zg.grundwasserschutz.gwszonen&STYLES=&FORMAT=image/png&DPI=96&MAP_RESOLUTION=96&FORMAT_OPTIONS=dpi:96&TRANSPARENT=TRUE&SLD=%3CStyledLayerDescriptor+xmlns%3D%22http%3A%2F%2Fwww.opengis.net%2Fsld%22+xmlns%3Axlink%3D%22http%3A%2F%2Fwww.w3.org%2F1999%2Fxlink%22+xmlns%3Axsi%3D%22http%3A%2F%2Fwww.w3.org%2F2001%2FXMLSchema-instance%22+xsi%3AschemaLocation%3D%22http%3A%2F%2Fwww.opengis.net%2Fsld+http%3A%2F%2Fschemas.opengis.net%2Fsld%2F1.1.0%2FStyledLayerDescriptor.xsd%22+xmlns%3Ase%3D%22http%3A%2F%2Fwww.opengis.net%2Fse%22+version%3D%221.1.0%22+xmlns%3Aogc%3D%22http%3A%2F%2Fwww.opengis.net%2Fogc%22%3E%0D%0A+%3CNamedLayer%3E%0D%0A++%3Cse%3AName%3Ech.zg.grundwasserschutz.gwszonen%3C%2Fse%3AName%3E%0D%0A++%3CUserStyle%3E%0D%0A+++%3Cse%3AName%3Edefault%3C%2Fse%3AName%3E%0D%0A+++%3Cse%3AFeatureTypeStyle%3E%0D%0A++++%3Cse%3ARule%3E%0D%0A+++++%3Cse%3AName%3EGrundwasserschutzzone+S1%3C%2Fse%3AName%3E%0D%0A+++++%3Cse%3ADescription%3E%0D%0A++++++%3Cse%3ATitle%3EGrundwasserschutzzone+S1%3C%2Fse%3ATitle%3E%0D%0A+++++%3C%2Fse%3ADescription%3E%0D%0A+++++%3Cogc%3AFilter+xmlns%3Aogc%3D%22http%3A%2F%2Fwww.opengis.net%2Fogc%22%3E%0D%0A++++++%3Cogc%3APropertyIsEqualTo%3E%0D%0A+++++++%3Cogc%3APropertyName%3Etyp_code%3C%2Fogc%3APropertyName%3E%0D%0A+++++++%3Cogc%3ALiteral%3ES1%3C%2Fogc%3ALiteral%3E%0D%0A++++++%3C%2Fogc%3APropertyIsEqualTo%3E%0D%0A+++++%3C%2Fogc%3AFilter%3E%0D%0A+++++%3Cse%3APolygonSymbolizer%3E%0D%0A++++++%3Cse%3AFill%3E%0D%0A+++++++%3Cse%3ASvgParameter+name%3D%22fill%22%3E%23003bb3%3C%2Fse%3ASvgParameter%3E%0D%0A++++++%3C%2Fse%3AFill%3E%0D%0A++++++%3Cse%3AStroke%3E%0D%0A+++++++%3Cse%3ASvgParameter+name%3D%22stroke%22%3E%23000080%3C%2Fse%3ASvgParameter%3E%0D%0A+++++++%3Cse%3ASvgParameter+name%3D%22stroke-width%22%3E1%3C%2Fse%3ASvgParameter%3E%0D%0A+++++++%3Cse%3ASvgParameter+name%3D%22stroke-linejoin%22%3Ebevel%3C%2Fse%3ASvgParameter%3E%0D%0A++++++%3C%2Fse%3AStroke%3E%0D%0A+++++%3C%2Fse%3APolygonSymbolizer%3E%0D%0A++++%3C%2Fse%3ARule%3E%0D%0A+++%3C%2Fse%3AFeatureTypeStyle%3E%0D%0A++%3C%2FUserStyle%3E%0D%0A+%3C%2FNamedLayer%3E%0D%0A%3C%2FStyledLayerDescriptor%3E"
moz-do-not-send="true">https://services.geo.zg.ch/ows-oereb/Grundwasserschutz?SERVICE=WMS&VERSION=1.3.0&REQUEST=GetMap&BBOX=2682932,1225299,2684213,1226054&CRS=EPSG:2056&WIDTH=1615&HEIGHT=952&LAYERS=ch.zg.grundwasserschutz.gwszonen&STYLES=&FORMAT=image/png&DPI=96&MAP_RESOLUTION=96&FORMAT_OPTIONS=dpi:96&TRANSPARENT=TRUE&SLD=%3CStyledLayerDescriptor+xmlns%3D%22http%3A%2F%2Fwww.opengis.net%2Fsld%22+xmlns%3Axlink%3D%22http%3A%2F%2Fwww.w3.org%2F1999%2Fxlink%22+xmlns%3Axsi%3D%22http%3A%2F%2Fwww.w3.org%2F2001%2FXMLSchema-instance%22+xsi%3AschemaLocation%3D%22http%3A%2F%2Fwww.opengis.net%2Fsld+http%3A%2F%2Fschemas.opengis.net%2Fsld%2F1.1.0%2FStyledLayerDescriptor.xsd%22+xmlns%3Ase%3D%22http%3A%2F%2Fwww.opengis.net%2Fse%22+version%3D%221.1.0%22+xmlns%3Aogc%3D%22http%3A%2F%2Fwww.opengis.net%2Fogc%22%3E%0D%0A+%3CNamedLayer%3E%0D%0A++%3Cse%3AName%3Ech.zg.grundwasserschutz.gwszonen%3C%2Fse%3AName%3E%0D%0A++%3CUserStyle%3E%0D%0A+++%3Cse%3AName%3Edefault%3C%2Fse%3AName%3E%0D%0A+++%3Cse%3AFeatureTypeStyle%3E%0D%0A++++%3Cse%3ARule%3E%0D%0A+++++%3Cse%3AName%3EGrundwasserschutzzone+S1%3C%2Fse%3AName%3E%0D%0A+++++%3Cse%3ADescription%3E%0D%0A++++++%3Cse%3ATitle%3EGrundwasserschutzzone+S1%3C%2Fse%3ATitle%3E%0D%0A+++++%3C%2Fse%3ADescription%3E%0D%0A+++++%3Cogc%3AFilter+xmlns%3Aogc%3D%22http%3A%2F%2Fwww.opengis.net%2Fogc%22%3E%0D%0A++++++%3Cogc%3APropertyIsEqualTo%3E%0D%0A+++++++%3Cogc%3APropertyName%3Etyp_code%3C%2Fogc%3APropertyName%3E%0D%0A+++++++%3Cogc%3ALiteral%3ES1%3C%2Fogc%3ALiteral%3E%0D%0A++++++%3C%2Fogc%3APropertyIsEqualTo%3E%0D%0A+++++%3C%2Fogc%3AFilter%3E%0D%0A+++++%3Cse%3APolygonSymbolizer%3E%0D%0A++++++%3Cse%3AFill%3E%0D%0A+++++++%3Cse%3ASvgParameter+name%3D%22fill%22%3E%23003bb3%3C%2Fse%3ASvgParameter%3E%0D%0A++++++%3C%2Fse%3AFill%3E%0D%0A++++++%3Cse%3AStroke%3E%0D%0A+++++++%3Cse%3ASvgParameter+name%3D%22stroke%22%3E%23000080%3C%2Fse%3ASvgParameter%3E%0D%0A+++++++%3Cse%3ASvgParameter+name%3D%22stroke-width%22%3E1%3C%2Fse%3ASvgParameter%3E%0D%0A+++++++%3Cse%3ASvgParameter+name%3D%22stroke-linejoin%22%3Ebevel%3C%2Fse%3ASvgParameter%3E%0D%0A++++++%3C%2Fse%3AStroke%3E%0D%0A+++++%3C%2Fse%3APolygonSymbolizer%3E%0D%0A++++%3C%2Fse%3ARule%3E%0D%0A+++%3C%2Fse%3AFeatureTypeStyle%3E%0D%0A++%3C%2FUserStyle%3E%0D%0A+%3C%2FNamedLayer%3E%0D%0A%3C%2FStyledLayerDescriptor%3E</a></p>
<p>The response is:</p>
<div class="line"><span class="html-tag"><ServiceExceptionReport<span
class="html-attribute"><span> </span><span
class="html-attribute-name">xmlns</span>="<span
class="html-attribute-value"><a class="moz-txt-link-freetext" href="http://www.opengis.net/ogc">http://www.opengis.net/ogc</a></span>"</span><span
class="html-attribute"><span> </span><span
class="html-attribute-name">version</span>="<span
class="html-attribute-value">1.3.0</span>"</span>></span></div>
<div class="collapsible-content"><span class="text"></span>
<div id="collapsible1" class="collapsible">
<div class="expanded">
<div class="line"><span class="button collapse-button"></span><span
class="html-tag"><ServiceException<span
class="html-attribute"><span> </span><span
class="html-attribute-name">code</span>="<span
class="html-attribute-value">Invalid Parameter</span>"</span>></span></div>
<div class="collapsible-content"><span class="text">SLD
('<StyledLayerDescriptor
xmlns=<a class="moz-txt-link-rfc2396E" href="http://www.opengis.net/sld">"http://www.opengis.net/sld"</a>
xmlns:xlink=<a class="moz-txt-link-rfc2396E" href="http://www.w3.org/1999/xlink">"http://www.w3.org/1999/xlink"</a>
xmlns:xsi=<a class="moz-txt-link-rfc2396E" href="http://www.w3.org/2001/XMLSchema-instance">"http://www.w3.org/2001/XMLSchema-instance"</a>
xsi:schemaLocation=<a class="moz-txt-link-rfc2396E" href="http://www.opengis.net/sldhttp://schemas.opengis.net/sld/1.1.0/StyledLayerDescriptor.xsd">"http://www.opengis.net/sld
http://schemas.opengis.net/sld/1.1.0/StyledLayerDescriptor.xsd"</a>
xmlns:se=<a class="moz-txt-link-rfc2396E" href="http://www.opengis.net/se">"http://www.opengis.net/se"</a> version="1.1.0"
xmlns:ogc=<a class="moz-txt-link-rfc2396E" href="http://www.opengis.net/ogc">"http://www.opengis.net/ogc"</a>>
<NamedLayer>
<se:Name>ch.zg.grundwasserschutz.gwszonen</se:Name>
<UserStyle> <se:Name>default</se:Name>
<se:FeatureTypeStyle> <se:Rule>
<se:Name>Grundwasserschutzzone S1</se:Name>
<se:Description>
<se:Title>Grundwasserschutzzone
S1</se:Title> </se:Description>
<ogc:Filter
xmlns:ogc=<a class="moz-txt-link-rfc2396E" href="http://www.opengis.net/ogc">"http://www.opengis.net/ogc"</a>>
<ogc:PropertyIsEqualTo>
<ogc:PropertyName>typ_code</ogc:PropertyName>
<ogc:Literal>S1</ogc:Literal>
</ogc:PropertyIsEqualTo> </ogc:Filter>
<se:PolygonSymbolizer> <se:Fill>
<se:SvgParameter
name="fill">#003bb3</se:SvgParameter>
</se:Fill> <se:Stroke> <se:SvgParameter
name="stroke">#000080</se:SvgParameter>
<se:SvgParameter
name="stroke-width">1</se:SvgParameter>
<se:SvgParameter
name="stroke-linejoin">bevel</se:SvgParameter>
</se:Stroke> </se:PolygonSymbolizer>
</se:Rule> </se:FeatureTypeStyle>
</UserStyle> </NamedLayer>
</StyledLayerDescriptor>') cannot be converted
into QString</span></div>
<div class="line"><span class="html-tag"></ServiceException></span></div>
</div>
</div>
<span class="text"></span></div>
<div class="line"><span class="html-tag"></ServiceExceptionReport></span></div>
<div class="line"> </div>
<div class="line"><span class="html-tag">So apparently the SLD
cannot be converted to a QString. Is my encoding in the URL
above wrong or am I missing a required additional parameter?</span></div>
<div class="line"> </div>
<div class="line"><span class="html-tag">Can you point me to an
example how to create a valid GetMap request with an SLD
submitted?</span></div>
<div class="line"> </div>
<div class="line"><span class="html-tag">Thanks a lot,</span></div>
<div class="line"><span class="html-tag">Andreas</span></div>
<p id="reply-intro">On 2019-04-09 15:38, Andreas Neumann wrote:</p>
<blockquote type="cite">
<p>Hi,</p>
<p>Does QGIS-Server support SLD styles to filter away RULEs in a
GetMap Request?</p>
<p>I would assume, yes, but in what encoding would I submit such
an SLD in a GET request? I know that one should rather use
POST reqests for such long parameters, but for experimenting,
it would be ok to use GET.</p>
<p>The idea would be to allow users to enable/disable categories
within a given layer.</p>
<p>The WMS client would first request the available rules with a
GetStyles command (that part works fine) and would then filter
the RULE (strip away the unwanted RULEs) and resubmit the
GetMap with an SLD. Does that work with QGIS server?</p>
<p>I know that one can also use the FILTER parameter, but we
want to do it in an OGC compatible way, since the client being
developed should work with any OGC compatible WMS server.</p>
<p>Thanks for your reply,</p>
<p>Andreas</p>
<br>
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