Weird, I've just tried with this style:
<?xml version="1.0" encoding="ISO-8859-1"?>
<StyledLayerDescriptor version="1.0.0"
xsi:schemaLocation="http://www.opengis.net/sld
http://schemas.opengis.net/sld/1.0.0/StyledLayerDescriptor.xsd";
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";>
<NamedLayer>
<Name>shortNames</Name>
<UserStyle>
<Title>A gold polygon style</Title>
<FeatureTypeStyle>
<Rule>
<ogc:Filter>
<ogc:PropertyIsLessThan>
<ogc:Function name="strLength">
<ogc:PropertyName>STATE_NAME</ogc:PropertyName>
</ogc:Function>
<ogc:Literal>10</ogc:Literal>
</ogc:PropertyIsLessThan>
</ogc:Filter>
<PolygonSymbolizer>
<Fill>
<CssParameter name="fill">#ffcc00
</CssParameter>
</Fill>
<Stroke>
<CssParameter name="stroke">#000000</CssParameter>
<CssParameter name="stroke-width">0.5</CssParameter>
</Stroke>
</PolygonSymbolizer>
</Rule>
</FeatureTypeStyle>
</UserStyle>
</NamedLayer>
</StyledLayerDescriptor>
seems to work here:
http://demo.geo-solutions.it/geoserver/topp/wms?service=WMS&version=1.1.0&request=GetMap&layers=topp:states&styles=shortNames&bbox=-124.73142200000001,24.955967,-66.969849,49.371735&width=768&height=330&srs=EPSG:4326&format=application/openlayers
Mind, your error message seems to refer to another function, strReplace,
that exists, but you might
have used in another part of the style with the wrong number of arguments
(a function is found
if a function with the same name and list of arguments exists, the match is
not just name based)
Cheers
Andrea
On Thu, Oct 6, 2016 at 3:27 PM, Chris Wesson <[email protected]>
wrote:
> I am trying to use the string function strLength as a filter, see below.
> Is this possible? And where am I going wrong?
> the SLD validates but on view I get the error message:
> java.lang.RuntimeException: Unable to find function strReplace
>
> ...
> <Rule>
> <Name>Motorway Simple Junction - 1:2,000 to 1:50,000</Name>
> <ogc:Filter>
> <ogc:PropertyIsLessThan>
> <ogc:Function name="strLength">
> <ogc:PropertyName>NUMBER</ogc:PropertyName>
> </ogc:Function>
> <ogc:Literal>10</ogc:Literal>
> </ogc:PropertyIsLessThan>
> </ogc:Filter>
> ...
> ...
>
> I'm trying to filter out the features whose string length is less than 10
> characters, to apply a specific label/style to them.
>
>
>
> --
> View this message in context: http://osgeo-org.1560.x6.
> nabble.com/Filtering-by-string-length-in-SLD-tp5289625.html
> Sent from the GeoServer - User mailing list archive at Nabble.com.
>
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