web-server/doc/en/user/source/styling/sld/cookbook/artifacts/polygon_labelhalo.sld

<?xml version="1.0" encoding="ISO-8859-1"?>
<StyledLayerDescriptor version="1.0.0" 
    xsi:schemaLocation="http://www.opengis.net/sld 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>Label halo</Name>
    <UserStyle>
      <Title>SLD Cook Book: Label halo</Title>
      <FeatureTypeStyle>
        <Rule>
          <PolygonSymbolizer>
            <Fill>
              <CssParameter name="fill">#40FF40</CssParameter>
            </Fill>
            <Stroke>
              <CssParameter name="stroke">#FFFFFF</CssParameter>
              <CssParameter name="stroke-width">2</CssParameter>
            </Stroke>
          </PolygonSymbolizer>        
          <TextSymbolizer>
            <Label>
              <ogc:PropertyName>name</ogc:PropertyName>
            </Label>
            <Halo>
              <Radius>3</Radius>
              <Fill>
                <CssParameter name="fill">#FFFFFF</CssParameter>
              </Fill>
            </Halo>
          </TextSymbolizer>
        </Rule>
      </FeatureTypeStyle>
    </UserStyle>
  </NamedLayer>
</StyledLayerDescriptor>