[mapserver-users] How to filter ArcGIS WFS service?

Yewondwossen Assefa yassefa at dmsolutions.ca
Thu Apr 1 15:18:01 EDT 2010


Hi There,

 It should be now fixed. Bug related to it is 
http://trac.osgeo.org/mapserver/ticket/3414.

regards,

Miloslav Kmeť wrote:
> Hello.
>
> I need to find a solution how to filter ArcGIS wfs service in mapserver WFS 
> client. I read this document: http://mapserver.org/ogc/filter_encoding.html and 
> there is no topic about xml ns prefixes in filter.
>
> It seems, that esri's wfs services need xml namespace ogc: in every filter 
> element.
>
> I tried id with get from browser and this works as expected:
> <ogc:Filter><ogc:PropertyIsEqualTo><ogc:PropertyName>eia_eia:IDAKCIA</ogc:PropertyName><ogc:Literal>1833</ogc:Literal></ogc:PropertyIsEqualTo></ogc:Filter>
> ?service=wfs&version=1.1.0&request=getFeature&typename=eia_eia:EIA_Locality&filter=%3Cogc:Filter%3E%3Cogc:PropertyIsEqualTo%3E%3Cogc:PropertyName%3Eeia_eia:IDAKCIA%3C/ogc:PropertyName%3E%3Cogc:Literal%3E1833%3C/ogc:Literal%3E%3C/ogc:PropertyIsEqualTo%3E%3C/ogc:Filter%3E
> (tinyurlized: http://tinyurl.com/yanqfry)
>
> But this won't filter anything and gives me all features:
> <Filter><PropertyIsEqualTo><PropertyName>eia_eia:IDAKCIA</PropertyName><Literal>1833</Literal></PropertyIsEqualTo></Filter>
> ?service=wfs&version=1.1.0&request=getFeature&typename=eia_eia:EIA_Locality&filter=%3CFilter%3E%3CPropertyIsEqualTo%3E%3CPropertyName%3Eeia_eia:IDAKCIA%3C/PropertyName%3E%3CLiteral%3E1833%3C/Literal%3E%3C/PropertyIsEqualTo%3E%3C/Filter%3E
> (tinyurlized: http://tinyurl.com/y9t3rld)
>
> I doubt, that I can get some response from Esri on this topic, because of this 
> thread: http://forums.esri.com/Thread.asp?c=158&f=2276&t=273488 where folks
>
> So the question is - how to add the ogc: namespace prefix into wfs_filter?
>
> This is how I have configured the WFS in my mapfile:
>     CONNECTIONTYPE WFS
>     CONNECTION 
> "http://globus.sazp.sk/arcgis/services/eia/eia/mapserver/wfsserver"
>     
>     METADATA
>       "wfs_version" "1.0.0"
>       "wfs_service" "WFS"
>       "wfs_request_method" "GET"
>       "wfs_srs" "EPSG:4326"
>       "wfs_typename" "eia_eia:EIA_locality"
>       "wfs_filter" 
> "<PropertyIsEqualTo><PropertyName>eia_eia:IDAKCIA</PropertyName><Literal>1833</Literal></PropertyIsEqualTo>"
>       "wfs_maxfeatures" "1000"
>     END
>
> Thank you.
>
>   


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Assefa Yewondwossen           
Software Analyst   

Email: yassefa at dmsolutions.ca    
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