Hi
In my OpenLayers code I register a click event on the map. This captures the
x,y of the click point, then computes a bounding box which is then used to
create WMS GetFeatureInfo request. The return from that request can then be
parsed, with values put into a div on the page or put into a pop-up window.
//Here is the click event code:
map.events.register('click', map, function (e) {
var xys = map.getLonLatFromViewPortPx(e.xy);
easting = xys.lon;
northing = xys.lat;
OpenLayers.Util.getElement('coords').innerHTML =
"<strong>x:</strong>" + parseInt(easting) + " <strong>y:</strong>" +
parseInt(northing);
if (mode == "qry") {
var bbox1 = easting - 10;
var bbox2 = northing - 10;
var bbox3 = easting + 10;
var bbox4 = northing + 10;
OpenLayers.Util.getElement('comments').innerHTML = "Looking
for parcel details... please wait...";
var regc =
"http://ws-esrimt/arcgis/services/mapservice_asurequality_prod/MapServer/WMSServer?service=WMS&version=1.1.1&request=GetFeatureInfo&QUERY_LAYERS=2&INFO_FORMAT=text/plain&SRS=EPSG:2193&BBOX=";
+ bbox1 + "," + bbox2 + "," + bbox3 + "," + bbox4 +
"&WIDTH=20&HEIGHT=20&X=10&Y=10";
OpenLayers.loadURL(regc, '', this, setHTML2);
}
Event.stop(e);
});
//Here is the function to get the response:
function setHTML2(response2) {
var ta = "";
var rc = "";
if (response2.responseText.indexOf('no results') != -1) {
ta="Outside NZ";
}
else {
var lines = response2.responseText.split('\n');
var vals =
lines[1].replace(/^"/,'').replace(/\s$/,'').replace(/"$/,'').split('" "');
ta = vals[5];
rc = vals[7];
}
OpenLayers.Util.getElement('region').innerHTML = "<small>" + ta +
" : " + rc + "</small>";
}
regards,
Robert Sanson
>>> sunny74 <[email protected]> 22/03/2010 7:33 a.m. >>>
Dear Friends,
Does anybody have a working example of Get Feature Info in POP up where the
map file is pointing to and getting attribute data from the shape files?
If so pls give a step by step description of what you have done along with
the code.Also the mapfile changes that you have done to get it working.
Pls reply soon.
Thanks for your attention and efforts.
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