[OpenLayers-Users] WFS-T

[Christopher Schmidt]

On Wed, Nov 25, 2009 at 10:59:41AM -0500, Alexandre Dube wrote:
> Hey,
> 
> 40.000 is sure big.  You could try the Cluster strategy [1], 

I think this wold be unlikely to work for this number of points.

> or have you 
> points in WMS when zoomed out then changed to WFS when zoomed in.  The 
> latter is what I'm doing in the demo I sent you.  Load it, then zoom 
> out.  You'll see that the roads switch from WFS to WMS.  You could also 
> do that.
> 
> Best regards,
> 
> Alexandre
> 
> [1] http://openlayers.org/dev/examples/strategy-cluster.html
> 
> 
> JuKiM wrote:
> > Ok..
> >
> > And about the other question.. If in the datasource there are about 
> > 40.000 positions... Is a good way to try loading them with WFS? Or 
> > using WMS is recommended?
> >
> > Thanks!
> >
> >
> > 2009/11/25 Alexandre Dube <adube at mapgears.com <mailto:adube at mapgears.com>>
> >
> >     Hi,
> >
> >      Just before your commit, you need to copy the your field values
> >     to the feature's attributes.  They will then be part of the
> >     'insert' request sent to your server.  See an example (demo) of
> >     what I'm talking about [1].  It uses TinyOWS, but it should be
> >     similar to what you're seeking to do.
> >
> >      Hope this helps,
> >
> >     Alexandre
> >
> >
> >     [1] http://dev4.mapgears.com/bdga/bdgaWFS-T.html
> >
> >
> >     JuKiM wrote:
> >
> >         Hi,
> >
> >         I'm searching documentation about WFS-T, because with I can
> >         understand, it let to create new entries in the datastore
> >         through the GeoServer....
> >
> >         I create the map, and a wms layers which is displayed, and
> >         then I create the wfs layer..
> >
> >         wfs = new
> >         OpenLayers.Layer.WFS("Test_Layer","http://localhost:8080/geoserver/wfs",
> >                        {typename: 'Test:dots'},
> >                        {
> >                            typename: "dots",
> >                            featureNS: "http://www.uriURL.org/test",
> >                            extractAttributes: false,
> >                            commitReport: function(str) {
> >                             alert(str);
> >                                OpenLayers.Console.log(str);
> >                            }
> >                        }
> >                    );
> >
> >         var draw = new OpenLayers.Control.DrawFeature(
> >                        wfs, OpenLayers.Handler.Point,
> >                        {
> >                            handlerOptions: {freehand: false, multi: true},
> >                            displayClass: "olControlDrawFeaturePoint"
> >                        }
> >                    );
> >                                var save = new OpenLayers.Control.Button({
> >                        trigger: OpenLayers.Function.bind(wfs.commit, wfs),
> >                        displayClass: "olControlSaveFeatures"
> >                    });
> >                              panel.addControls([
> >                        new OpenLayers.Control.Navigation(),
> >                        save, draw
> >                    ]);
> >                      map.addControl(panel);
> >
> >         When I save the new points, they are insterted in the DB, but
> >         with empty values.. Only the auto incremental id is created..
> >         In my table there are four fields, 'id', 'location',
> >         'description', 'type'. How can I configure the WFS calls to
> >         create the new entries with all the information? (The
> >         information about description and type is the same, and is
> >         stored in a textfield, and the location should be the
> >         different points of the map..
> >
> >         And on the other hand, if the datasource contains about 40.000
> >         positions, is better to work with WMS and process the
> >         information in server side?
> >
> >         Thanks!
> >         ------------------------------------------------------------------------
> >
> >         _______________________________________________
> >         Users mailing list
> >         Users at openlayers.org <mailto:Users at openlayers.org>
> >         http://openlayers.org/mailman/listinfo/users
> >          
> >
> >
> >
> >     -- 
> >     Alexandre Dubé
> >     Mapgears
> >     www.mapgears.com <http://www.mapgears.com>
> >
> >
> 
> 
> -- 
> Alexandre Dubé
> Mapgears
> www.mapgears.com
> 
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-- 
Christopher Schmidt
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