Hi Jukka I think it's now implemented in the trunk (see qgis-dev). It's a free text field when opening the WFS.
Yours, Stefan 2011/5/15 Rahkonen Jukka <[email protected]>: > Hi, > > What is the situation with the ticket > https://trac.osgeo.org/qgis/ticket/3728 about making filtered GetFeatures > from WFS? > > For example with OpenStreetMap WFS layers the plain GetFeature (possibly > with BBOX) does not yield the most usable data for users. By this request > the user gets all kind of polygons like buildings, lakes and playgrounds. > > http://188.64.1.61/cgi-bin/tinyows?service=wfs&version=1.1.0&request=getfeature&typename=tows:osm_polygon&maxfeatures=100 > > While this one gives just lakes with natural=water filter: > > http://188.64.1.61/cgi-bin/tinyows?service=wfs&version=1.1.0&request=getfeature&typename=tows:osm_polygon&maxfeatures=100&filter=%3CFilter%20%20xmlns:ogc=%22http://www.opengis.net/ogc%22%3E%3CPropertyIsEqualTo%3E%3CPropertyName%3Etows:natural%3C/PropertyName%3E%3CLiteral%3Ewater%3C/Literal%3E%3C/PropertyIsEqualTo%3E%3C/Filter%3E > > Naturally the normal usage is to use http POST but it is easier to show an > example with http GET url. > > Of the existing open source GIS programs perhaps the best examples about how > to build WFS filters can be found from iGeoDesktop (http://www.deegree.org) > and Kosmo (http://opengeo.es). Observe that user can also create spatial > filters by using the geometry of a feature that is selected from the map > window. This enables queries like "select features having ATTRIBUTE1=xxx > AND ATTRIBUTE2=YYY within distance of 20km from the selected > feature". CadCorp SIS MapBrowser is also worth having a look. > > -Jukka Rahkonen- > > > > > > _______________________________________________ > Qgis-user mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/qgis-user > > _______________________________________________ Qgis-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/qgis-user
