Thanks for your work (and perseverance) on this, any chance you can open up a github pull request for this? TIA.
Best regards, Bart -- Bart van den Eijnden OpenGeo - http://opengeo.org Expert service straight from the developers. On Jul 14, 2013, at 12:38 AM, brking <[email protected]> wrote: > If anyone is interested in how to make this work. > > Format/Filter/v1.js: > > add "FUNCTION" to the filter map > > filterMap: { > "&&": "And", > ... > "FID": "_featureIds", > "FUNCTION": "Function" > }, > > I also wanted to support PropertyName as an argument to a function, so > change the writer to add a "properties" collection: > > "Function": function(filter) { > var node = this.createElementNSPlus("ogc:Function", { > attributes: { > name: filter.name > } > }); > var params = filter.params; > for(var i=0, len=params.length; i<len; i++){ > this.writeOgcExpression(params[i], node); > } > var properties = filter.properties; > for(var i=0, len=properties.length; i<len; i++){ > var propNode = > this.createElementNSPlus("ogc:PropertyName", { value: > properties[i] }); > node.appendChild(propNode); > } > return node; > }, > > Now I can use it like this: > > var subFilter = new OpenLayers.Filter.Function({ > type: 'FUNCTION', > name: 'MyFunction', > params: [1.23, 4.56, 'param3'], > properties: ['Altitude', 'Heading'] > }); > > var timeFilter = new OpenLayers.Filter.Logical( { > type: OpenLayers.Filter.Logical.AND, > filters: [ > new OpenLayers.Filter.Comparison({ > type: > OpenLayers.Filter.Comparison.GREATER_THAN_OR_EQUAL_TO, > property: 'startdate', > value: startDate > }), > subFilter > ] > } > ); > > and get OGC encoded like this: > > <wfs:GetFeature xmlns:wfs="http://www.opengis.net/wfs" > service="WFS" version="1.0.0" > xsi:schemaLocation="http://www.opengis.net/wfs > http://schemas.opengis.net/wfs/1.0.0/WFS-transaction.xsd" > xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"> > <wfs:Query typeName="feature:nyc_buildings" xmlns:feature="ncr"> > <ogc:Filter xmlns:ogc="http://www.opengis.net/ogc";> > <ogc:And> > <ogc:And> > <ogc:PropertyIsGreaterThanOrEqualTo> > > <ogc:PropertyName>startdate</ogc:PropertyName> > <ogc:Literal>"2003-04-12 > 04:00:00 z"</ogc:Literal> > </ogc:PropertyIsGreaterThanOrEqualTo> > <ogc:Function name="MyFunction"> > <ogc:Literal>1.23</ogc:Literal> > <ogc:Literal>4.56</ogc:Literal> > > <ogc:Literal>param3</ogc:Literal> > > <ogc:PropertyName>Altitude</ogc:PropertyName> > > <ogc:PropertyName>Heading</ogc:PropertyName> > </ogc:Function> > </ogc:And> > <ogc:BBOX> > > <ogc:PropertyName>the_geom</ogc:PropertyName> > <gml:Box > xmlns:gml="http://www.opengis.net/gml"; srsName="EPSG:4326"> > <gml:coordinates decimal="." > cs="," ts=" ">-188.17578125,-2.275390625 > -7.82421875,82.275390625</gml:coordinates> > </gml:Box> > </ogc:BBOX> > </ogc:And> > </ogc:Filter> > </wfs:Query> > </wfs:GetFeature> > > > > > -- > View this message in context: > http://osgeo-org.1560.x6.nabble.com/Problems-with-Openlayers-Filter-Function-in-WFS-tp5066248p5066253.html > Sent from the OpenLayers Users mailing list archive at Nabble.com. > _______________________________________________ > Users mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/openlayers-users
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