[OpenLayers-Users] Change filter on vector layer

[Andreas Hocevar]

Hi,

On Mon, Jul 6, 2009 at 4:38 PM, Lak
Krishnan<lakshmanan.krishnan at mecklenburgcountync.gov> wrote:
>
> I have a vector layer with a WFS protocol and filter as below
>
> var impactlocptlayer = new OpenLayers.Layer.Vector("Editable Features", {
>                                                strategies: [new OpenLayers.Strategy.BBOX(), saveStrategy],
>                                                projection: new OpenLayers.Projection("EPSG:2264"),
>                                                filter: new OpenLayers.Filter.Comparison({type:
> OpenLayers.Filter.Comparison.EQUAL_TO,property: 'eventid',value: 4}),
>                                                extractAttributes: false,
>                                                protocol: new OpenLayers.Protocol.WFS({
>                                                                        version: "1.1.0",
>                                                                        srsName: "EPSG:2264",
>                                                                        url: "http://localhost/geoserver/wfs",
>                                                                        featureNS :  "http://postgis.org",
>                                                                        featureType: "impactlocpt",
>                                                                        geometryName: "the_geom",
>                                                                        schema:
> "http://localhost/geoserver/wfs/DescribeFeatureType?version=1.1.0&typename=uasidata:impactlocpt"
>                                                }),
>                                                styleMap: wfsstyle
> });
>
> How do I change "Filter" later in my code?

impactlocptlayer.filter = /* your new filter here */;
impactlocptlayer.refresh();

Regards,
Andreas.



-- 
Andreas Hocevar
OpenGeo - http://opengeo.org/
Expert service straight from the developers.