web-server/doc/en/user/source/styling/sld/extensions/artifacts/startend.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">
  <NamedLayer>

    <Name>StartEnd</Name>
    <UserStyle>
      <FeatureTypeStyle>
        <Rule>
          <LineSymbolizer>
          <Stroke></Stroke>
          </LineSymbolizer>
       
          <PointSymbolizer>
            <Geometry>
              <ogc:Function name="startPoint">
                <ogc:PropertyName>the_geom</ogc:PropertyName>
              </ogc:Function>
            </Geometry>
            <Graphic>
              <Mark>
                <WellKnownName>square</WellKnownName>
                <Stroke>
                  <CssParameter name="stroke">0x00FF00</CssParameter>
                  <CssParameter name="stroke-width">1.5</CssParameter>
                </Stroke>
              </Mark>
              <Size>8</Size>
            </Graphic>
          </PointSymbolizer>
         </Rule>
       </FeatureTypeStyle>          
       <FeatureTypeStyle>
         <Rule>
          <PointSymbolizer>
            <Geometry>
              <ogc:Function name="endPoint">
                <ogc:PropertyName>the_geom</ogc:PropertyName>
              </ogc:Function>
            </Geometry>
            <Graphic>
              <Mark>
                <WellKnownName>circle</WellKnownName>
                <Fill>
                  <CssParameter name="fill">0xFF0000</CssParameter>
                </Fill>
              </Mark>
              <Size>4</Size>
            </Graphic>
          </PointSymbolizer>
        </Rule>
      </FeatureTypeStyle>
    </UserStyle>
  </NamedLayer>
</StyledLayerDescriptor>