[mapserver-users] WMS SLD Troubles

[Frank Broniewski]

Hello,

thank you for your kind help :-) I've put the requested informations below.


Frank


INFO:

we're using
/usr/lib/cgi-bin/mapserv -v
MapServer version 5.6.6 OUTPUT=GIF OUTPUT=PNG OUTPUT=JPEG OUTPUT=WBMP 
OUTPUT=SWF OUTPUT=SVG SUPPORTS=PROJ SUPPORTS=AGG SUPPORTS=FREETYPE 
SUPPORTS=ICONV SUPPORTS=FRIBIDI SUPPORTS=WMS_SERVER SUPPORTS=WMS_CLIENT 
SUPPORTS=WFS_SERVER SUPPORTS=WFS_CLIENT SUPPORTS=WCS_SERVER 
SUPPORTS=SOS_SERVER SUPPORTS=FASTCGI SUPPORTS=THREADS SUPPORTS=GEOS 
SUPPORTS=RGBA_PNG INPUT=EPPL7 INPUT=POSTGIS INPUT=OGR INPUT=GDAL 
INPUT=SHAPEFILE
on Ubuntu 8.04 with the ubuntu-gis ppa.




Original layer definition:

LAYER
     NAME "post"
     STATUS Off
     CONNECTIONTYPE Postgis
     CONNECTION "host=localhost dbname=osm user= password= port=5432"
     DATA "nway FROM
             (SELECT way as nway, osm_id, amenity, name
                 FROM planet_osm_point
                     WHERE amenity='post_box' OR amenity='post_office'
             )
            as foo using unique osm_id using SRID=900913"
     TYPE Point
     PROCESSING "CLOSE_CONNECTION=DEFER"
     CLASSITEM "amenity"
     DUMP true

     # ---------------------------------------------------------------
     # Projection configuration
     # ---------------------------------------------------------------
     INCLUDE "/usr/local/mapconf/share/projections/google.map"

     METADATA
	# lots of metadata ....
     END	
END






the SLD:
<NamedLayer>
     <Name>post</Name>
     <UserStyle>
       <Title>Post</Title>
       <FeatureTypeStyle>
         <Rule>
             <ogc:Filter>
                 <ogc:PropertyIsEqualTo>
                     <ogc:PropertyName>amenity</ogc:PropertyName>
                     <ogc:Literal>post_box</ogc:Literal>
                 </ogc:PropertyIsEqualTo>
             </ogc:Filter>
             <PointSymbolizer>
                 <Graphic>
                   <ExternalGraphic>
                     <OnlineResource
                       xlink:type="simple"
 
xlink:href="http://192.168.0.111:8502/sld/img/briefkasten.png" />
                     <Format>image/png</Format>
                   </ExternalGraphic>
                   <Size>40</Size>
                 </Graphic>
             </PointSymbolizer>
         </Rule>
         <Rule>
             <Filter>
                 <PropertyIsEqualTo>
                     <PropertyName>amenity</PropertyName>
                     <Literal>post_office</Literal>
                 </PropertyIsEqualTo>
             </Filter>
             <PointSymbolizer>
                 <Graphic>
                   <ExternalGraphic>
                     <OnlineResource
                       xlink:type="simple"
 
xlink:href="http://192.168.0.111:8502/sld/img/posthorn.png" />
                     <Format>image/png</Format>
                   </ExternalGraphic>
                   <Size>40</Size>
                 </Graphic>
             </PointSymbolizer>
             </Rule>
       </FeatureTypeStyle>
     </UserStyle>
</NamedLayer>







the generated map file:
   LAYER
     CLASSITEM "amenity"
     CONNECTION "host=localhost dbname=osm user= password= port=5432"
     CONNECTIONTYPE POSTGIS
     DATA "nway FROM
             (SELECT way as nway, osm_id, amenity, name
                 FROM planet_osm_point
                     WHERE amenity='post_box'
                                                 OR amenity='post_office'
             )
            as foo using unique osm_id using SRID=900913"
     DUMP TRUE
     METADATA
	# metadata
     END
     NAME "post"
     PROCESSING "CLOSE_CONNECTION=DEFER"
     PROJECTION
       "proj=merc"
       "a=6378137"
       "b=6378137"
       "lat_ts=0"
       "lon_0=0"
       "x_0=0"
       "y_0=0"
       "k=1"
       "nadgrids=@null"
       "units=m"
       "no_defs"
     END
     STATUS ON
     TYPE POINT
     UNITS METERS
     CLASS
       NAME "Unknown"
       EXPRESSION ("[amenity]" = "post_box")
       STYLE
         ANGLE 360
         COLOR 0 0 0
         SIZE 40
         SYMBOL "http://192.168.0.111:8502/sld/img/briefkasten.png"
         WIDTH 1
       END
     END
   END




Am 08.02.2011 15:57, schrieb Yewondwossen Assefa:
> What version of MapServer?
>
> Also, what is the part in the map file that is causing the problem:
> * if you remove the EXPRESSION ("[amenity]" = "post_box") from the
> generated map, will that work
> * Is the layer's FILTER element set (on the generated map)? If so what
> is the value?
>
> A full layer definition in the generated map would be useful. A full sld
> might also help.
>
> regards,
>
>
> On 07/02/2011 4:58 AM, Frank Broniewski wrote:
>> Hello,
>>
>> We're using a OpenStreetMap Postgis database as a source for our
>> geo-servers. We want to provide WMS and WFS services on the data. In
>> order to do the styling only once, we are using SLDs, which works
>> mostly fine.
>>
>> One of our layers does not render as a WMS, it throws a
>> "msEvalRegex(): Regular expression error. String failed expression
>> test." Error during execution.
>>
>> We identified the layer, and it's the one rendering post boxes. The
>> corresponding SLD definition is using a filter:
>>
>>
>> <Filter>
>> <PropertyIsEqualTo>
>> <PropertyName>amenity</PropertyName>
>> <Literal>post_office</Literal>
>> </PropertyIsEqualTo>
>> </Filter>
>>
>>
>> Using debug-level 5, the mapfile after SLD application looks like
>>
>> # ...
>> # more definitions
>> # ...
>> CLASSITEM "amenity"
>> DATA "nway FROM
>> (SELECT way as nway, osm_id, amenity, name
>> FROM planet_osm_point
>> WHERE amenity='post_box'
>> OR amenity='post_office'
>> )
>> as foo using unique osm_id using SRID=900913"
>> # ...
>> # more definitions
>> # ...
>> CLASS
>> NAME "Unknown"
>> EXPRESSION ("[amenity]" = "post_box")
>> STYLE
>> ANGLE 360
>> COLOR 0 0 0
>> SIZE 40
>> SYMBOL "http://192.168.0.111:8502/sld/img/briefkasten.png"
>> WIDTH 1
>> END
>> END
>>
>>
>> We simply can't figure out, what might be the problem here. The whole
>> issue seem to be related to the filter element, removing it makes the
>> layer render. Using the generated map layer, rendering fails with the
>> same error.
>> So I would be happy if someone with more experience with SLDs can give
>> me a hint about whats going wrong here.
>>
>>
>> Frank
>>
>>
>>
>
>


-- 
Frank BRONIEWSKI

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