[OpenLayers-Users] Draw line vector, with points..
David Fawcett
david.fawcett at gmail.com
Thu Dec 10 10:56:39 EST 2009
I am sure that in the context of WFS-T it is more complicated, but
would it work if you used a linestring layer and modified your PostGIS
SQL to wrap your points in something like a ST_MakeLine() function?
On Thu, Dec 10, 2009 at 9:39 AM, JuKiM <rifins at gmail.com> wrote:
>
> Hi,
> I don't know if maybe this question is out of interest in this list, or if
> it is an obvious thing that I can't see..
> But, I would like to know if it is possible to draw a line making a WFS
> request, to a data source in which the geometry is POINT.
> If the geometry of the datasource is POINT it draws points, and if the
> geometry is LINESTRING then it draws a line... But, how to draw a line when
> the source is a couple of POINT?
> I'm creating the vector layer like this:
> wfs = new OpenLayers.Layer.Vector("WFST-Vector", {
> strategies: [new OpenLayers.Strategy.BBOX(), oSaveStrategy],
> protocol: new OpenLayers.Protocol.WFS({
> version: "1.0.0",
> url: "http://localhost:8080/geoserver/wfs",
> featureType: "pointsDS",
> srsName: "EPSG:23031",
> featureNS: "http://www.mapmap.org/g4wd",
> geometryName: "the_geom",
> schema:
> "http://localhost:8080/geoserver/wfs?service=WFS&version=1.0.0&request=DescribeFeatureType&TypeName=G4WD:pointsDS"
> })
> });
> And the G4WD:pointsDS' datasource is a postgis table, where the geometry
> field is POINT.
> Thanks..
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