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Question

Filter WFS by both BBOX and attribute

  • January 25, 2018
  • 1 reply
  • 185 views
T

Hi!

I am using the wfs-reader in FME accessing the web feature service(wfs):

http://slwgeo.artdata.slu.se:8080/geoserver/SLW/wfs

Feauturetype: "AllSwedishOccurrences {All Swedish Occurrences}"

I am trying to filter specific(e.g. "Margaritifera margaritifera" species in a municipality(Borås) Seems like I can´t get both criterias on the same time.

Getcapabilities: http://slwgeo.artdata.slu.se:8080/geoserver/ows&VERSION;=1.0.0&SERVICE;=WFS&REQUEST;=GetCapabilities

How can I get scientificName Margaritifera margaritifera in municipality Borås by filtering in the WFS-reader? It would be ok to apply a bounding box on coordinates instead of using the attribute municipality Borås.

I know some of xml, and I have been trying to find a solution,using the filter functions taught on Geoserver but now I reached a dead end.

I have tried:

<Filter><And><PropertyIsEqualTo><PropertyName>municipality</PropertyName><Literal>Borås</Literal></PropertyIsEqualTo><PropertyIsEqualTo><PropertyName>scientificName</PropertyName><Literal>Margaritifera margaritifera</Literal></PropertyIsEqualTo></And></Filter>

Seems hard to use two attribute within same xmfilter. Guess I must use attribute and geographic filter within the same xml filter. Envelope-function in wfs-reader and attribute xml filter doesn´t seems to worh together in this case.

Can someone help me?

1 reply

gio
Contributor
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  • gioContributor
  • Contributor
  • January 26, 2018

@tobiasrydlinge

The property filter seems correct.

Apart form having unquoted space(s) in the second property, you need to quote it (like you do in your message...)

</PropertyName><Literal>"Margaritifera margaritifera"</Literal></

 

The Capabilites document shows that geometric filtering is activated. So you should be able to do things like.

<Within>

 

<PropertyName>geometry</PropertyName>

 

<gml:Polygon><gml:outerBoundaryIs>

 

<gml:LinearRing><gml:coordinates>89800,455000 99200,455000 99200,469000 89800,469000 89800,455000</gml:coordinates>

 

</gml:LinearRing></gml:outerBoundaryIs></gml:Polygon>

 

</Within>

You can combine the geo filter with the property filter.

I can get to the features.

But when I run I get a connection error. So can't test it.

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