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Add a getfeatureinfo-image example

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This commit is contained in:
Éric Lemoine
2014-08-21 11:54:49 +02:00
parent 89686b783f
commit 2e29ae8bc5
2 changed files with 95 additions and 0 deletions
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examples/getfeatureinfo-image.html Normal file
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<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="chrome=1">
<meta name="viewport" content="initial-scale=1.0, user-scalable=no, width=device-width">
<link rel="stylesheet" href="../css/ol.css" type="text/css">
<link rel="stylesheet" href="../css/ol.css" type="text/css">
<link rel="stylesheet" href="../resources/bootstrap/css/bootstrap.min.css" type="text/css">
<link rel="stylesheet" href="../resources/layout.css" type="text/css">
<link rel="stylesheet" href="../resources/bootstrap/css/bootstrap-responsive.min.css" type="text/css">
<title>GetFeatureInfo example (image layer)</title>
</head>
<body>
<div class="navbar navbar-inverse navbar-fixed-top">
<div class="navbar-inner">
<div class="container">
<a class="brand" href="./"><img src="../resources/logo.png"> OpenLayers 3 Examples</a>
</div>
</div>
</div>
<div class="container-fluid">
<div class="row-fluid">
<div class="span12">
<div id="map" class="map"></div>
</div>
</div>
<div class="row-fluid">
<div class="span4">
<h4 id="title">GetFeatureInfo example (image layer)</h4>
<p id="shortdesc">This example shows how to trigger WMS GetFeatureInfo requests on click for a WMS image layer.</p>
<div id="docs">
<p>See the <a href="getfeatureinfo-image.js" target="_blank">getfeatureinfo-image.js source</a> to see how this is done.</p>
</div>
<div id="tags">getfeatureinfo</div>
</div>
<div class="span4 offset4">
<div id="info" class="alert alert-success">
&nbsp;
</div>
</div>
</div>
</div>
<script src="jquery.min.js" type="text/javascript"></script>
<script src="../resources/example-behaviour.js" type="text/javascript"></script>
<script src="loader.js?id=getfeatureinfo-image" type="text/javascript"></script>
</body>
</html>

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examples/getfeatureinfo-image.js Normal file
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goog.require('ol.Map');
goog.require('ol.View');
goog.require('ol.layer.Image');
goog.require('ol.source.ImageWMS');
var wmsSource = new ol.source.ImageWMS({
url: 'http://demo.opengeo.org/geoserver/wms',
params: {'LAYERS': 'ne:ne'},
serverType: 'geoserver'
});
var wmsLayer = new ol.layer.Image({
source: wmsSource
});
var view = new ol.View({
center: [0, 0],
zoom: 1
});
var map = new ol.Map({
layers: [wmsLayer],
target: 'map',
view: view
});
map.on('singleclick', function(evt) {
document.getElementById('info').innerHTML = '';
var viewResolution = /** @type {number} */ (view.getResolution());
var url = wmsSource.getGetFeatureInfoUrl(
evt.coordinate, viewResolution, 'EPSG:3857',
{'INFO_FORMAT': 'text/html'});
if (url) {
document.getElementById('info').innerHTML =
'<iframe seamless src="' + url + '"></iframe>';
}
});