[mapserver-users] WMS SLD Troubles

Thu Feb 10 06:00:16 PST 2011

Ok, we've narrowed it down a bit. When we use the cgi-mapserver the SLD 
styling works, so the issue seems to be with (python) mapscript ...
I will investigate further

Frank

Am 09.02.2011 09:18, schrieb 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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