[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
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.osgeo.org/pipermail/openlayers-users/attachments/20090218/2e61264d/attachment.html


More information about the Users mailing list