If youre using Geoserver as your WMS server theres a very useful add on built in version 2.0.2 and up called variable substitution in SLD.
Please see http://docs.geoserver.org/2.0.x/en/user/services/wms/vendor.html (parameter ENV). With this you can have SLD template I just make the substitutions for the values you want, but if all 400 rules are applied for rendering the map in that request this cant help you. Cheers, Pedro Mendes De: [email protected] [mailto:[email protected]] Em nome de Özkan, Ayhan Enviada: quarta-feira, 23 de Junho de 2010 09:23 Para: [email protected] Assunto: [OpenLayers-Users] How many rules in SLD Hi, does anybody know how many rules are allowed in SLD? The rules are created in a foreach loop. <script type="text/javascript"> var map,landkreise; .. theSLD_BODY='<StyledLayerDescriptor version="1.0.0" xsi:schemaLocation="http://www.opengis.net/sld http://schemas.opengeospatial.net/sld/1.0.0/StyledLayerDescriptor.xsd";>'; theSLD_BODY +='<NamedLayer>'; theSLD_BODY +=' <Name>testdaten</Name>'; theSLD_BODY +=' <UserStyle>'; theSLD_BODY +=' <FeatureTypeStyle>'; [%- FOREACH rule IN Rules %] theSLD_BODY +=' <Rule>'; theSLD_BODY +=' <ogc:Filter>'; theSLD_BODY +=' <ogc:PropertyIsLike wildCard="*" singleChar="." escape="!">'; theSLD_BODY +=' <ogc:PropertyName>[% rule.field %]</ogc:PropertyName>'; theSLD_BODY +=' <ogc:Literal>[% rule.value %]</ogc:Literal>'; theSLD_BODY +=' </ogc:PropertyIsLike>'; theSLD_BODY +=' </ogc:Filter>'; theSLD_BODY +=' <PolygonSymbolizer>'; theSLD_BODY +=' <Fill>'; theSLD_BODY +=' <CssParameter name="fill">[%- rule.color -%]</CssParameter>'; theSLD_BODY +=' </Fill>'; theSLD_BODY +=' <Stroke>'; theSLD_BODY +=' <CssParameter name="stroke">#000000</CssParameter>'; theSLD_BODY +=' <CssParameter name="stroke-width">2</CssParameter>'; theSLD_BODY +=' </Stroke>'; theSLD_BODY +=' </PolygonSymbolizer>'; theSLD_BODY +=' </Rule>'; [% END %] theSLD_BODY +='</FeatureTypeStyle> </UserStyle> </NamedLayer></StyledLayerDescriptor>'; // landkreise.mergeNewParams({"SLD_BODY" : theSLD_BODY}); </script> Does anybody have another solution for coloring the map for more than 400 rules? Thanks in advance Ayhan Özkan
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