[mapserver-users] SLD with LayerFeatureConstraints

[Kralidis,Tom [Ontario]]

> -----Original Message-----
> From: mapserver-users-bounces at lists.osgeo.org [mailto:mapserver-users-
> bounces at lists.osgeo.org] On Behalf Of Meine Toonen
> Sent: Monday, 12 September 2011 10:22
> To: mapserver-users at lists.osgeo.org
> Subject: [mapserver-users] SLD with LayerFeatureConstraints
> 
> Hi list,
> 
> I'm currently trying to filter features from a layer via a SLD, but
using
> the style defined by the service. I managed to get a NamedStyle by
defining
> a classgroup and assigning the class with the group.
> 
> When I set the style via SLD to mv2, it works perfectly, but when I
add the
> filterpart (LayerFeatureConstraints) it fails: the default style is
used
> and no filtering occurs.
> 
> Am I doing something wrong, of is filtering nog possible via
> LayerFeatureConstraints?
> 
> Mapfile:
> 
> layer
>   name telpunten_motorvoertuig_punt
>   CLASSGROUP "mv"
>   metadata
>     "wms_title" "telpunten_points"
>     "gml_include_items" "all"
>     "wfs_featureid" "id"
>   end
>   group telpunten
>   status off
>   type point
>   dump true
>   template bla
>   connectiontype postgis
>   connection CONNECTIONSTATEMENT
>   data "locatie from (select id, nummer, locatie,
> coalesce(soort,'Onbekend') as wb_soort, wegnummer from telpunt ) as
foo
> using srid=28992 using unique id"
>   projection
>     "init=epsg:28992"
>   end
>   classitem wb_soort
> 
>   class
>     NAME "motorvoertuig"
>     group "mv"
>     expression "MOTORVOERTUIG"
>     style
> 
>         symbol "square"
>         color 0 204 204
>         outlinecolor 0 0 0
>         size 8
>     end
>   end
> 
>   class
>     NAME "motorvoertuig2"
>     group "mv2"
>     expression "MOTORVOERTUIG"
>     style
> 
>         symbol "square"
>         color 255 0 0
>         outlinecolor 0 0 0
>         size 8
>     end
>   end
> 
> 
>   processing "CLOSE_CONNECTION=DEFER"
> end
> 
> The SLD:
> <?xml version="1.0" encoding="UTF-8"?>
> 
> <sld:StyledLayerDescriptor xmlns:app="http://www.deegree.org/app"
> xmlns:deegreeogc="http://www.deegree.org/ogc"
> xmlns:gml="http://www.opengis.net/gml"
> xmlns:ogc="http://www.opengis.net/ogc"
> xmlns:sld="http://www.opengis.net/sld"
> xmlns:xlink="http://www.w3.org/1999/xlink"
> xmlns:se="http://www.opengis.net/se" version="1.0.0">
>     <sld:NamedLayer xmlns="http://www.opengis.net/sld">
>         <se:Name>telpunten_motorvoertuig_punt</se:Name>
>         <sld:NamedStyle>
>             <se:Name>mv</se:Name>
>         </sld:NamedStyle>
>         <sld:LayerFeatureConstraints>
>             <Fsld:eatureTypeConstraint>
>                 <ogc:Filter>
>                     <ogc:PropertyIsEqualTo>
>                         <ogc:PropertyName>wegnummer</ogc:PropertyName>
>                         <ogc:Literal>A28</ogc:Literal>
>                     </ogc:PropertyIsEqualTo>
>                 </ogc:Filter>
>             </sld:FeatureTypeConstraint>
>         </sld:LayerFeatureConstraints>
>     </sld:NamedLayer>
> </sld:StyledLayerDescriptor>
> 
> 
> Thanks in advance!
> 

Sld:LayerFeatureConstraints is not supported by MapServer, or SLD 1.0.0.
FYI here's an example of applying filters to SLD:

<StyledLayerDescriptor  version="1.0.0"
			xmlns="http://www.opengis.net/sld"
			xmlns:ogc="http://www.opengis.net/ogc"
			xmlns:xlink="http://www.w3.org/1999/xlink"
	
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
			xsi:schemaLocation="http://www.opengis.net/sld
http://schemas.opengis.net/sld/1.0.0/StyledLayerDescriptor.xsd">
	<Name>ms_ogc_workshop</Name>
	<Title>SLD for MapServer OGC Web Services Workshop</Title>
	<Abstract>This is an SLD to show how one can make a custom style
without having to change the data style at the server-side</Abstract>
	<NamedLayer>
		<Name>rivers</Name>
		<UserStyle>
			<Name>sld_01</Name>
			<Title>sld_01</Title>
			<IsDefault>1</IsDefault>
			<FeatureTypeStyle>
				<Rule>
					<ogc:Filter>
						<ogc:PropertyIsEqualTo>
	
<ogc:PropertyName>NAME</ogc:PropertyName>
	
<ogc:Literal>Japura</ogc:Literal>
						</ogc:PropertyIsEqualTo>
					</ogc:Filter>
					<LineSymbolizer>
						<Stroke>
							<CssParameter
name="stroke">#FFCC00</CssParameter>
							<CssParameter
name="stroke-width">5</CssParameter>
						</Stroke>
					</LineSymbolizer>
				</Rule>
			</FeatureTypeStyle>
		</UserStyle>
	</NamedLayer>
</StyledLayerDescriptor>