[OpenLayers-Users] Re : Problem with WFS layer

[Christopher Schmidt]

On Wed, Mar 25, 2009 at 05:24:31AM -0700, Nicolas Caussin wrote:
> 
> Hi Jan,
> 
> I already try :
> 
> 
> var wfs = new OpenLayers.Layer.WFS(
> "ArabianGulf",
> "http://localhost:8080/cgi-bin/mapserv.exe?MAP=C:/ms4w/wfs/ArabianGulf.map&",
> {
> typename : "ArabianGulf",
> projection: new OpenLayers.Projection("EPSG:900913")
> }
> );
> But there is no difference.

projection is an *option* -- it is the fourth parameter, not the third.
Also, it should be th projection of the source data -- which appaers to
be 4326 in your case, not 900913.

> 
> Nicolas.
> 
> 
> 
> ----- Message initial ----
> De : Jan H. van der Ven <jhvdven at xs4all.nl>
> À : users at openlayers.org
> Cc : NicolasC <lacausse at yahoo.com>
> Envoyé le : mercredi 25 mars 2009, 13 h 08 min 36 s
> Objet : Re: [OpenLayers-Users]  Problem with WFS layer
> 
> Hi,
> 
> You need to tell OpenLayers again what projection your WFS is in.
> So add a projection parameter to your wfs layers
> 
> Kind regards,
> 
> Jan
> 
> 
> 
> 
> NicolasC schreef:
> > Hi,
> >
> > I'm newbie in GIS and Openlayer.
> >
> > I try to display a shapefile (EPSG:3439), which is the border of persic gulf, on a google map layer.
> >
> > I write a mapfile for Mapserver which works with QGIS but with Openlayers the WFS layer is displayed in North Africa.
> >
> >
> > My code :
> >
> >       var map;
> >
> >         function init(){
> >        
> >             var options = {
> >                 projection: new OpenLayers.Projection("EPSG:900913"),
> >                 displayProjection: new OpenLayers.Projection("epsg:4326"),
> >                 units: "m",
> >                 maxResolution: 156543.0339,
> >                 maxExtent: new OpenLayers.Bounds(-20037508, -20037508,
> >                                                  20037508, 20037508.34)
> >             };
> >
> >        
> >             map = new OpenLayers.Map('map',options);
> >
> >             var gmap = new OpenLayers.Layer.Google(
> >                 "Google Streets",
> >                 {'sphericalMercator': true}
> >             );
> >             map.addLayer(gmap);
> >            
> >             var wfs = new OpenLayers.Layer.WFS(
> >                 "ArabianGulf",
> >                 "http://localhost:8080/cgi-bin/mapserv.exe?MAP=C:/ms4w/wfs/ArabianGulf.map&",
> >                 {typename : "ArabianGulf"}
> >             );
> >             map.addLayer(wfs);
> >
> >             map.setCenter(new OpenLayers.LonLat(0, 0), 2);
> >             map.addControl(new OpenLayers.Control.LayerSwitcher());
> >             map.addControl(new OpenLayers.Control.MousePosition());
> >         }
> >
> > My Mapfile code :
> >
> > MAP
> >   EXTENT 258846.354000 2651583.260000 1105456.098000 3113342.963000
> >   IMAGECOLOR 255 255 255
> >   IMAGETYPE gif
> >   SIZE 512 512
> >   STATUS ON
> >   UNITS METERS
> >   CONFIG PROJ_LIB "C:\ms4w\Apache\cgi-bin\proj_lib"
> >   NAME "adma"
> >
> >   PROJECTION
> >     "init=epsg:3439"
> >   END
> >    
> >  
> >   WEB
> >     IMAGEPATH ""
> >     METADATA
> >       "wfs_srs"    "epsg:3439 EPSG:4326 EPSG:900913"
> >       "wfs_title"    "adma"
> >       "wfs_onlineresource"    "http://localhost:8080/cgi-bin/mapserv.exe?"
> >     "wfs_version" "1.1.0"
> >     END
> >     QUERYFORMAT text/html
> >     LEGENDFORMAT text/html
> >     BROWSEFORMAT text/html
> >   END
> >
> >    LAYER
> >     DATA ArabianGulf.shp
> >     DUMP TRUE
> >     DEBUG 4
> >     METADATA
> >       "wfs_extent"    "258846.354000 2651583.260000 1105456.098000 3113342.963000"
> >       "wfs_onlineressource"    "http://localhost:8080/cgi-bin/mapserv.exe?"
> >       "gml_geometries_type"    "polygon"
> >       "wfs_title"    "Arabian Gulf"
> >       "gml_include_items"    "all"
> >       "gml_geometries"    "Geometries"
> >     END
> >     NAME ArabianGulf
> >     OFFSITE 0 0 0
> >     PROJECTION
> >       "init=epsg:3439"
> >     END
> >     STATUS ON
> >     TYPE POLYGON
> >     UNITS METERS
> >   END
> >
> >   END
> >
> > If you have any suggestions ???
> >
> > Regards,
> >
> > Nicolas.
> >  
> > ------------------------------------------------------------------------
> >
> >
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> >
> >  
> 
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-- 
Christopher Schmidt
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