[OpenLayers-Users] WFS ProxyHost
Raphael Saldanha
saldanha.plangeo at gmail.com
Wed Feb 18 06:06:08 EST 2009
Thanks Kai,
But I dont have an idea how to write a proxy... do you know where can I find
some tips or a generic one?
On Wed, Feb 18, 2009 at 8:01 AM, Kai Behncke <Kai-Behncke at gmx.de> wrote:
> Dear Raphael,
>
> I had also some problems with the wfs proxy-host.
>
> In my case it was because I wrote the code of the proxy-host on a
> Windows-Machine and loaded it on a linux-server, there were some problem
> with the word wraps then (maby by coincidence you have the same error). I
> solved it with a dos2unix-compilation at the unix-server.
>
>
>
> > I'm starting to think why use Openlayers... this ProxyHost is a really
> > bitch.
>
>
> Well, sometimes, at the beginning, OpenLayers is not soooooo easy, but
> after a while and some steps of learning it really starts to make big fun.
> So don`t give up :-)
>
> Beste regards, Kai
>
> >
> > On Tue, Feb 17, 2009 at 2:25 PM, Arnd Wippermann
> > <arnd.wippermann at web.de>wrote:
> >
> > > Hi,
> > >
> > > for local addresses you don't need a proxy host. To be sure, that your
> > > local address is used I would use relative path.
> > >
> > > OpenLayers.ProxyHost="/cgi-bin/proxy.cgi/?url="
> > >
> > > and you can also try to load your WFS with relative path. Then the
> proxy
> > > script is not used. Not 100% sure but only addresses, which begins with
> > http
> > > , use the proxy script.
> > >
> > > // Layer WFS
> > > wfs = new OpenLayers.Layer.WFS(
> > > "Quadras WFS",
> > > "/geoserver/wfs",
> > > {typename: 'topp:quadra'},
> > >
> > > If your WFS is now loaded, then there seems something wrong with your
> > proxy
> > > script or configuration. If not loaded, copy the WFS request from
> > firebug
> > > into the address bar of your browser, to be sure that the request send
> a
> > > valid response.
> > >
> > > Arnd Wippermann
> > >
> > > ------------------------------
> > > *Von:* users-bounces at openlayers.org
> > [mailto:users-bounces at openlayers.org]
> > > *Im Auftrag von *Raphael Saldanha
> > > *Gesendet:* Dienstag, 17. Februar 2009 02:10
> > > *An:* users at openlayers.org
> > > *Betreff:* [OpenLayers-Users] WFS ProxyHost
> > >
> > > Hi!
> > >
> > > I'm having some troubles on trying to use WFS...
> > >
> > > As suggested in the FAQ, and put the proxy.cgi on cgi-bin Apache
> folder,
> > > and add the line "AddHandler python-cgi-script .cgi" on httpd.conf, as
> > > suggested in http://gist.fas.harvard.edu/chgis/?p=14.
> > >
> > > But loading the following page, I receive the error 1012, on Firebug.
> > >
> > > Help please!!!
> > >
> > > <html>
> > > <head>
> > > <title>IPTU</title>
> > > <link rel="stylesheet" type="text/css" href="
> > > http://localhost:8080/geoserver/openlayers/theme/default/style.css"/>
> > >
> > >
> > >
> > >
> > > <!-- Import OpenLayers, reduced, wms read only version -->
> > > <script src="
> > > http://localhost:8080/geoserver/openlayers/OpenLayers.js"
> > > type="text/javascript"></script>
> > > <script defer="defer" type="text/javascript">
> > > var map;
> > > var quadra;
> > > var imagem;
> > > var wfs;
> > >
> > > OpenLayers.ProxyHost="
> > > http://localhost:8080/cgi-bin/proxy.cgi/?url=";
> > >
> > > // pink tile avoidance
> > > OpenLayers.IMAGE_RELOAD_ATTEMPTS = 5;
> > > // make OL compute scale according to WMS spec
> > > OpenLayers.DOTS_PER_INCH = 25.4 / 0.28;
> > >
> > > function init(){
> > > format = 'image/png';
> > >
> > > var bounds = new OpenLayers.Bounds(
> > > 497839.91636617144, 7649918.889418672,
> > > 499243.91636617144, 7650565.389418672
> > > );
> > >
> > > var options = {
> > > controls: [],
> > > maxExtent: bounds,
> > > maxResolution: 5.484375,
> > > projection: "EPSG:32723",
> > > units: 'm'
> > >
> > > };
> > >
> > > map = new OpenLayers.Map('map', options);
> > >
> > > // Layer QUADRA
> > > quadra = new OpenLayers.Layer.WMS(
> > > "Quadras", "http://localhost:8080/geoserver/wms",
> > > {
> > > layers: 'topp:quadra',
> > > transparent: "true",
> > > format: "image/png",
> > > srs: 'EPSG:32723',
> > > height: '345',
> > > width: '800',
> > > styles: '',
> > > tiled: 'true',
> > > tilesOrigin :
> > > "497839.91636617144,7649918.889418672"
> > > }
> > > );
> > >
> > > // Layer WFS
> > > wfs = new OpenLayers.Layer.WFS(
> > > "Quadras WFS",
> > > "http://localhost:8080/geoserver/wfs",
> > > {typename: 'topp:quadra'},
> > > {
> > > typename: 'quadra',
> > > featureNS: 'http://www.openplans.org/topp',
> > > extractAttributes: false
> > > }
> > > );
> > >
> > > //Layer IMAGEM
> > > imagem = new OpenLayers.Layer.WMS(
> > > "WorldView-1",
> > "http://localhost:8080/geoserver/wms",
> > > {
> > > layers: 'topp:lavras',
> > > srs: 'EPSG:32723',
> > > height: '345',
> > > width: '800',
> > > styles: '',
> > > format: format,
> > > tiled: 'true',
> > > tilesOrigin :
> > > "497839.91636617144,7649918.889418672"
> > > }
> > > );
> > >
> > >
> > > map.addLayers([quadra,wfs,imagem]);
> > >
> > > // build up all controls
> > > map.addControl(new OpenLayers.Control.PanZoomBar({
> > > position: new OpenLayers.Pixel(2, 15)
> > > }));
> > > map.addControl(new OpenLayers.Control.Navigation());
> > > map.addControl(new OpenLayers.Control.LayerSwitcher());
> > > map.zoomToExtent(bounds);
> > >
> > >
> > >
> > >
> > > }
> > >
> > >
> > > </script>
> > > </head>
> > > <body onload="init()">
> > >
> > > <div id="map">
> > > </div>
> > >
> > > </body>
> > > </html>
> > >
> > >
> > > --
> > > Regards,
> > >
> > > Raphael Saldanha
> > > saldanha.plangeo at gmail.com
> > >
> >
> >
> >
> > --
> > Atenciosamente,
> >
> > Raphael Saldanha
> > saldanha.plangeo at gmail.com
>
> --
> Psssst! Schon vom neuen GMX MultiMessenger gehört? Der kann`s mit allen:
> http://www.gmx.net/de/go/multimessenger01
>
--
Atenciosamente,
Raphael Saldanha
saldanha.plangeo at gmail.com
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