Hi Roald, I added this tool and loaded the page again. Unfortunately the response is empty. What could be the reason for this?
Thanks, Pascal Am 09.05.2010 um 01:05 schrieb Roald de Wit: > Hi, > > Have you looked at the request that OL is sending to GS? The FireBug addin > for Firefox has a 'Net' tab that shows you every request that your > application sends, including what response it gets back. > That might help you find out what's wrong. > > Regards, Roald > > On 09/05/10 03:21, boxplot wrote: >> Hi, >> >> I use the following example of geolayers to test GetFeatureInfo (it works, >> so this can be no proxy-issue, also OpenLayers and GeoServer run on the same >> server). But when I copy the (what I think) relevant parts into my own code, >> it is not working anymore (after clicking on the line the text switches from >> "Click on the map to get feature info" to "Loading... please wait..." and >> that's it). So it would be great to know what the minimum requirements for >> this method are? And if it is possible to limit the output to some >> properties of the layer? >> >> Maybe the problem is the line >> >>> QUERY_LAYERS: map.layers[0].params.LAYERS, >> >> because I have more than one layer in my own map? >> >> Thanks for any help! >> >> Pascal >> >>> <?xml version="1.0" encoding="UTF-8"?> >>> <!DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" >>> "DTD/xhtml1-strict.dtd"> >>> <html xmlns="http://www.w3.org/1999/xhtml";> >>> <head> >>> <title>OpenLayers map preview</title> >>> <!-- Import OL CSS, auto import does not work with our minified OL.js build >>> --> >>> <link rel="stylesheet" type="text/css" >>> href="http://myownhomepage.xyz:80/geoserver/openlayers/theme/default/style.css"/> >>> <!-- Basic CSS definitions --> >>> <style type="text/css"> >>> /* The map and the location bar */ >>> ########### (... deleted for size reasons) ########### >>> /* Styles used by the default GetFeatureInfo output, added to >>> make IE happy */ >>> table.featureInfo, table.featureInfo td, table.featureInfo th { >>> border: 1px solid #ddd; >>> border-collapse: collapse; >>> margin: 0; >>> padding: 0; >>> font-size: 90%; >>> padding: .2em .1em; >>> } >>> table.featureInfo th { >>> padding: .2em .2em; >>> text-transform: uppercase; >>> font-weight: bold; >>> background: #eee; >>> } >>> table.featureInfo td { >>> background: #fff; >>> } >>> table.featureInfo tr.odd td { >>> background: #eee; >>> } >>> table.featureInfo caption { >>> text-align: left; >>> font-size: 100%; >>> font-weight: bold; >>> text-transform: uppercase; >>> padding: .2em .2em; >>> } >>> </style> >>> >>> <!-- Import OpenLayers, reduced, wms read only version --> >>> <script >>> src="http://myownhomepage.xyz:80/geoserver/openlayers/OpenLayers.js"; >>> type="text/javascript"> >>> </script> >>> <script type="text/javascript"> >>> var map; >>> var untiled; >>> var tiled; >>> var pureCoverage = false; >>> // 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(){ >>> // if this is just a coverage or a group of them, disable a >>> few items, >>> // and default to jpeg format >>> format = 'image/png'; >>> >>> var bounds = new OpenLayers.Bounds( >>> 12.336, 47.699, >>> 12.354, 47.751 >>> ); >>> >>> var options = { >>> controls: [], >>> maxExtent: bounds, >>> maxResolution: 0.000203125, >>> projection: "EPSG:4326", >>> units: 'degrees' >>> }; >>> >>> map = new OpenLayers.Map('map', options); >>> >>> // setup tiled layer >>> tiled = new OpenLayers.Layer.WMS( >>> "Layer - Tiled", >>> "http://myownhomepage.xyz:80/geoserver/wms";, >>> { >>> width: '177', >>> srs: 'EPSG:4326', >>> layers: 'Workspace:Layer', >>> height: '512', >>> styles: '', >>> format: format, >>> tiled: 'true', >>> tilesOrigin : map.maxExtent.left + ',' + >>> map.maxExtent.bottom >>> }, >>> { >>> buffer: 0, >>> displayOutsideMaxExtent: true >>> } >>> ); >>> map.addLayer(tiled); >>> >>> // 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.Scale($('scale'))); >>> map.addControl(new >>> OpenLayers.Control.MousePosition({element: $('location')})); >>> map.zoomToExtent(bounds); >>> // wire up the option button >>> var options = document.getElementById("options"); >>> options.onclick = toggleControlPanel; >>> // support GetFeatureInfo >>> map.events.register('click', map, function (e) { >>> document.getElementById('nodelist').innerHTML = >>> "Loading... please wait..."; >>> var params = { >>> REQUEST: "GetFeatureInfo", >>> EXCEPTIONS: "application/vnd.ogc.se_xml", >>> BBOX: map.getExtent().toBBOX(), >>> X: e.xy.x, >>> Y: e.xy.y, >>> INFO_FORMAT: 'text/html', >>> QUERY_LAYERS: map.layers[0].params.LAYERS, >>> FEATURE_COUNT: 50, >>> Srs: 'EPSG:4326', >>> Layers: 'Workspace:Layer', >>> Styles: '', >>> WIDTH: map.size.w, >>> HEIGHT: map.size.h, >>> format: format}; >>> >>> OpenLayers.loadURL("http://myownhomepage.xyz:80/geoserver/wms";, params, >>> this, setHTML, setHTML); >>> OpenLayers.Event.stop(e); >>> }); >>> } >>> // sets the HTML provided into the nodelist element >>> function setHTML(response){ >>> document.getElementById('nodelist').innerHTML = >>> response.responseText; >>> }; >>> ########### (... deleted for size reasons) ########### >>> </script> >>> </head> >>> <body onload="init()"> >>> <div id="toolbar" style="display: none;"> >>> ########### (... deleted for size reasons) ########### >>> </div> >>> <div id="map"> >>> <img id="options" title="Toggle options toolbar" >>> src="http://myownhomepage.xyz:80/geoserver/options.png"/> >>> </div> >>> <div id="wrapper"> >>> >>> <div id="location">location</div> >>> <div id="scale"> >>> </div> >>> </div> >>> <div id="nodelist"> >>> <em>Click on the map to get feature info</em> >>> </div> >>> </body> >>> >>> </html> >> >> >> _______________________________________________ >> Users mailing list >> [email protected] >> http://openlayers.org/mailman/listinfo/users >> > _______________________________________________ Users mailing list [email protected] http://openlayers.org/mailman/listinfo/users
![http://myownhomepage.xyz:80/geoserver/options.png"/](http://myownhomepage.xyz:80/geoserver/options.png"/){kind=link}