[OpenLayers-Users] Informations by onmouseover / alternative to
WFS?
Kai Behncke
Kai-Behncke at gmx.de
Fri Jun 19 11:22:34 EDT 2009
Dear users, Dear Bart,
thank you very much,
absolutely great, geatfeature-wfs seems indeed to solve the "WFS performance problem".
The wms/wfs implemented by on mapserver-file works by the way like that:
MAP
NAME 'name'
STATUS ON
EXTENT 7.9189 52.2102 8.1716 52.3467
IMAGETYPE png
UNITS dd
IMAGECOLOR 240 250 240
SIZE 700 700
SHAPEPATH '/xyz/data/'
SYMBOLSET '/xyz/symbols.sym'
#MAXSIZE 10000
WEB
TEMPLATE 'template_ol.html'
IMAGEPATH '/xyz/'
IMAGEURL '/xyz/'
METADATA
'OWS_TITLE' 'name'
'OWS_ONLINERESOURCE' 'http://www.xyz.de/cgi-bin/mapserv?map=/path/gastronomap_ows.map'
"wfs_namespace_prefix" "feature"
'ows_SRS' "EPSG:4326"
"ows_contactorganization" "xyz"
END
END
PROJECTION
'init=epsg:4326'
END
LAYER
LABELMAXSCALEDENOM 10001
OFFSITE 255 255 255
LABELITEM 'name'
TOLERANCE 20
NAME 'gastronomie_ows'
TYPE POINT
STATUS DEFAULT
CONNECTIONTYPE postgis
CONNECTION 'xyz'
DATA 'the_geom_4326 from xyz'
CLASSITEM 'gendre'
SYMBOLSCALE 4000
TEMPLATE 'ausgabe.phtml'
DUMP TRUE
METADATA
"ows_title" "gastronomie_ows"
"ows_srs" "epsg:4326"
"gml_featureid" "osm_id"
"gml_include_items" "all"
END
CLASS
EXPRESSION /pub/
Name 'Gaststätte / Kneipe'
STYLE
SYMBOL 'pub'
MINSIZE 16
MAXSIZE 32
END
.....
............
Best regards, Kai
-------- Original-Nachricht --------
> Datum: Tue, 16 Jun 2009 16:35:08 +0200
> Von: "Kai Behncke" <Kai-Behncke at gmx.de>
> An: bartvde at osgis.nl, users at openlayers.org
> Betreff: Re: [OpenLayers-Users] Informations by onmouseover / alternative to WFS?
> Hi Bart,
>
> thank you for that hint.
>
> I have got it to run with the wms/wfs of
>
> layer = new OpenLayers.Layer.WMS(
> "States WMS/WFS",
> "http://demo.opengeo.org/geoserver/ows",
> {layers: 'topp:states', format: 'image/gif'}
> );
>
> but I had no luck so far with my own wms/wfs.
>
> I use MapServer 5.4 and I have build also ONE mapfile that works as WMS
> AND WFS.
>
> If I do a mouseover on the areas I can see in firebug that the wfs is
> recognised, I get back e.g.
>
> ----------------------
> <?xml version='1.0' encoding="ISO-8859-1" ?>
> <wfs:FeatureCollection
> xmlns:ms="http://mapserver.gis.umn.edu/mapserver"
> xmlns:gml="http://www.opengis.net/gml"
> xmlns:wfs="http://www.opengis.net/wfs"
> xmlns:ogc="http://www.opengis.net/ogc"
> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
> xsi:schemaLocation="http://mapserver.gis.umn.edu/mapserver
> http://www.tourismus-maps.de/cgi-bin/mapserv54
> ?map=/home/promotion/behncke/gastronomap_wms/gastronomap_wms.map&SERVICE=WFS&VERSION=1.1.0&
> ;REQUEST=DescribeFeatureType&TYPENAME=gastronomie_ows&OUTPUTFORMAT=text/xml;
> subtype=gml/3.1
> .1 http://www.opengis.net/wfs
> http://schemas.opengis.net/wfs/1.1.0/wfs.xsd">
> <gml:boundedBy>
> <gml:Envelope srsName="EPSG:4326">
> <gml:lowerCorner>8.018902 52.293344</gml:lowerCorner>
> <gml:upperCorner>8.022836 52.296208</gml:upperCorner>
> </gml:Envelope>
> </gml:boundedBy>
> <gml:featureMember>
> <ms:gastronomie_ows gml:id="gastronomie_ows.7798543.000">
> <gml:boundedBy>
> <gml:Envelope srsName="EPSG:4326">
> <gml:lowerCorner>8.018902 52.293344</gml:lowerCorner>
> <gml:upperCorner>8.022836 52.296208</gml:upperCorner>
> </gml:Envelope>
> </gml:boundedBy>
> <ms:msGeometry>
> <gml:Polygon srsName="EPSG:4326">
> <gml:exterior>
> <gml:LinearRing>
> <gml:posList srsDimension="2">8.020861 52.296208 8.020993
> 52.295888 8.020546 52.295777
> 8.020815 52.294923 8.020891 52.294862 8.022112 52.294918 8.022827
> 52.294175 8.022655 52.294036 8.022836
> 52.293747 8.022221 52.293344 8.019422 52.294743 8.018902 52.295672
> 8.020861 52.296208 </gml:posList
> >
> </gml:LinearRing>
> </gml:exterior>
> </gml:Polygon>
> </ms:msGeometry>
> <ms:osm_id>7798543.000</ms:osm_id>
> <ms:name></ms:name>
> <ms:type>forest</ms:type>
> </ms:gastronomie_ows>
> </gml:featureMember>
> </wfs:FeatureCollection>
> ------------------
>
> .....but the hovering/highlighting does not work.
>
> Has anybody an idea why this can be?
> Do I need any special entries in the Mapfile?
>
> The typical WMS/WFS-requests work fine so far.
>
> Thank you very much, Kai
>
>
>
>
>
>
>
> -------- Original-Nachricht --------
> > Datum: Mon, 15 Jun 2009 11:19:53 +0200 (CEST)
> > Von: bartvde at osgis.nl
> > An: "Kai Behncke" <Kai-Behncke at gmx.de>
> > CC: users at openlayers.org
> > Betreff: Re: [OpenLayers-Users] Informations by onmouseover /
> alternative to WFS?
>
> > I would try and use:
> >
> > OpenLayers.Control.GetFeature
> >
> > examples\getfeature-wfs.html
> >
> > Best regards,
> > Bart
> >
> > > Dear users,
> > >
> > > I have an application where I load in 500 pois via WFS, by onmouseover
> > > some informations to that points are shown.
> > > Obviously that application is quite slow (e.g. in Internet Explorer it
> > is
> > > far too slow).
> > >
> > > Is there an alternative to WFS doing a mouseover with 500 pois?
> > > What would you recommend?
> > >
> > > Thank you very much, Kai
> > > --
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>
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