Hi,


was trying out this great tutorial from 
opengeo...http://suite.opengeo.org/opengeo-docs/processing/contour/dynamic.html

        * 

When I tried in my geoserver instance (Version 2.2 / Build-Datum 19-Sep-2012 
18:33) I received the following error:

java.lang.RuntimeException: Unable to find function parameter
Unable to find function parameter

<Transformation>
          <ogc:Function name="gs:Contour">
            <ogc:Function name="parameter">
              <ogc:Literal>data</ogc:Literal>
            </ogc:Function>
            <ogc:Function name="parameter">
              <ogc:Literal>interval</ogc:Literal>
              <ogc:Literal>100</ogc:Literal>
            </ogc:Function>
            <ogc:Function name="parameter">
              <ogc:Literal>simplify</ogc:Literal>
              <ogc:Literal>true</ogc:Literal>
            </ogc:Function>   
          </ogc:Function>
        </Transformation>


Looking at the SLD, the parameters are data, interval and simply.

Here is the geoserver openlayers view of the data using the default "raster" 
sld...
http://maps.zgb.de/geoserver/zgb/wms?service=WMS&version=1.1.0&request=GetMap&layers=zgb:DGM_ZGB&styles=&bbox=3567985.49,5723878.92,3642709.49,5856934.92&width=287&height=512&srs=EPSG:31467&format=application/openlayers


Is this a data issue or a geoserver issue?

Cheers for any advice,

Rob
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