[OpenLayers-Users] Trouble with an example of openlayers!!!

Mon Jul 27 12:55:42 EDT 2009

On Monday, July 27, 2009, Raul David Orozco <hagen1113 at yahoo.com> wrote:
> Hi to everyone.
> I'm new in the world of openlayers. I've been working with it for a few days, reading some documentation and specially using the examples found in the official page of openlayers. Everything fine until I tried to use this example:
>
> http://openlayers.org/dev/examples/getfeatureinfo-popup.html
>
> My project involves do something just like that, but when I use this example locally in my pc (downloaded and modified only in the url of openlayer script) the popups of the features aren't shown and I get this error code:
>
> Error: uncaught exception: [Exception... "Access to restricted URI denied"  code: "1012" nsresult: "0x805303f4 (NS_ERROR_DOM_BAD_URI)"  location: "http://openlayers.org/api/OpenLayers.js Line: 1078"]
> Archivo de origen: http://openlayers.org/api/OpenLayers.js
> Línea: 225

Hi

Check out <http://faq.openlayers.org/proxyhost/all/>

Cheers


> This is the
>  code:
>
> **********************************************************************************************************
> <html>
>   <head>
>     <title>GetFeatureInfo Popup</title>
>     <script src="http://openlayers.org/api/OpenLayers.js"></script>
>     <link rel="stylesheet" href="http://openlayers.org/theme/default/style.css" type="text/css" />
>     <link rel="stylesheet" href="style.css" type="text/css" />
>     <script>
>     OpenLayers.ProxyHost = "proxy.cgi?url=";
>
>     var map, info;
>
>     function load() {
>         map = new OpenLayers.Map({
>             div:
>  "map",
>             maxExtent: new OpenLayers.Bounds(143.834,-43.648,148.479,-39.573)
>         });
>
>         var political = new OpenLayers.Layer.WMS("State Boundaries",
>             "http://demo.opengeo.org/geoserver/wms",
>             {'layers': 'topp:tasmania_state_boundaries', transparent: true, format: 'image/gif'},
>             {isBaseLayer: true}
>         );
>
>         var roads = new OpenLayers.Layer.WMS("Roads",
>             "http://demo.opengeo.org/geoserver/wms",
>
>             {'layers': 'topp:tasmania_roads', transparent: true, format: 'image/gif'},
>             {isBaseLayer: false}
>         );
>
>         var cities = new OpenLayers.Layer.WMS("Cities",
>             "http://demo.opengeo.org/geoserver/wms",
>             {'layers': 'topp:tasmania_cities', transparent: true, format: 'image/gif'},
>             {isBaseLayer: false}
>         );
>
>         var water = new OpenLayers.Layer.WMS("Bodies of Water",
>  "http://demo.opengeo.org/geoserver/wms",
>             {'layers': 'topp:tasmania_water_bodies', transparent: true, format: 'image/gif'},
>             {isBaseLayer: false}
>         );
>
>         var highlight = new OpenLayers.Layer.Vector("Highlighted Features", {
>             displayInLayerSwitcher: false,
>             isBaseLayer: false
>         });
>
>         map.addLayers([political, roads, cities, water, highlight]);
>
>         info = new
>  OpenLayers.Control.WMSGetFeatureInfo({
>             url: 'http://demo.opengeo.org/geoserver/wms',
>             title: 'Identify features by clicking',
>             queryVisible: true,
>             eventListeners: {
>                 getfeatureinfo: function(event) {
>                     map.addPopup(new OpenLayers.Popup.FramedCloud(
>                         "chicken",
>
>                         map.getLonLatFromPixel(event.xy),
>                         null,
>                         event.text,
>                         null,
>                         true
>  ));
>                 }
>             }
>         });
>         map.addControl(info);
>         info.activate();
>
>         map.addControl(new OpenLayers.Control.LayerSwitcher());
>         map.zoomToMaxExtent();
>     }
>
>   </script>
>   </head>
>
>   <body onload="load()">
>       <h1 id="title">Feature Info in Popup</h1>
>
>       <div id="tags"></div>
>
>       <p id="shortdesc">
>         Demonstrates the WMSGetFeatureInfo control for
>  fetching information
>         about a position from WMS (via GetFeatureInfo request).  Results
>         are displayed in a popup.
>       </p>
>
>       <div id="map" class="smallmap"></div>
>
>     <div id="docs"></div>
>   </body>
> </html>
> **********************************************************************************************************
>
> Thanks to anyone who can help me. Bye
>

-- 
Eric Lemoine

Camptocamp France SAS
Savoie Technolac, BP 352
73377 Le Bourget du Lac, Cedex

Tel : 00 33 4 79 44 44 96
Mail : eric.lemoine at camptocamp.com
http://www.camptocamp.com