Example using an icon symbolizer and displaying a popup
I'm adding this example to demonstrate a few things that should change: * the icon symbolizer should accept xOffset and yOffset in pixels * the `ol.geom.Geometry.prototype.getCoordinates` method should be exported * overlays should have a `panIntoView` method
This commit is contained in:
Tim Schaub
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examples/icon.html
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examples/icon.html
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<!doctype html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<meta http-equiv="X-UA-Compatible" content="chrome=1">
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<meta name="viewport" content="initial-scale=1.0, user-scalable=no, width=device-width">
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<link rel="stylesheet" href="../css/ol.css" type="text/css">
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<link rel="stylesheet" href="../resources/bootstrap/css/bootstrap.min.css" type="text/css">
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<link rel="stylesheet" href="../resources/layout.css" type="text/css">
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<link rel="stylesheet" href="../resources/bootstrap/css/bootstrap-responsive.min.css" type="text/css">
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<title>Vector Icon Example</title>
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<style>
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#map {
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position: relative;
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}
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#popup {
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padding-bottom: 65px;
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}
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</style>
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</head>
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<body>
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<div class="navbar navbar-inverse navbar-fixed-top">
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<div class="navbar-inner">
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<div class="container">
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<a class="brand" href="./">OpenLayers 3 Examples</a>
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<ul class="nav pull-right">
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<li><iframe class="github-watch-button" src="http://ghbtns.com/github-btn.html?user=openlayers&repo=ol3&type=watch&count=true"
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allowtransparency="true" frameborder="0" scrolling="0" height="20" width="90"></iframe></li>
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<li><a href="https://twitter.com/share" class="twitter-share-button" data-count="none" data-hashtags="openlayers"> </a></li>
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<li><div class="g-plusone-wrapper"><div class="g-plusone" data-size="medium" data-annotation="none"></div></div></li>
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</ul>
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</div>
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</div>
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</div>
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<div class="container-fluid">
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<div class="row-fluid">
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<div class="span12">
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<div id="map" class="map"><div id="info"></div></div>
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<div id="popup"><div>
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</div>
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</div>
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<div class="row-fluid">
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<div class="span12">
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<h4 id="title">Icon example</h4>
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<p id="shortdesc">Example using an icon to symbolize a point.</p>
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<div id="docs">
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<p>See the <a href="icon.js" target="_blank">icon.js source</a> to see how this is done.</p>
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</div>
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<div id="tags">vector, style, icon, marker, popup</div>
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</div>
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</div>
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</div>
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<script src="jquery.min.js" type="text/javascript"></script>
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<script src="../resources/bootstrap/js/bootstrap.min.js" type="text/javascript"></script>
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<script src="loader.js?id=icon" type="text/javascript"></script>
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<script src="../resources/social-links.js" type="text/javascript"></script>
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</body>
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</html>
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91
examples/icon.js
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examples/icon.js
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goog.require('ol.Map');
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goog.require('ol.Overlay');
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goog.require('ol.RendererHint');
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goog.require('ol.View2D');
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goog.require('ol.layer.TileLayer');
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goog.require('ol.layer.Vector');
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goog.require('ol.parser.GeoJSON');
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goog.require('ol.source.TileJSON');
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goog.require('ol.source.Vector');
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goog.require('ol.style.Icon');
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goog.require('ol.style.Style');
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var raster = new ol.layer.TileLayer({
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source: new ol.source.TileJSON({
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url: 'http://api.tiles.mapbox.com/v3/mapbox.geography-class.jsonp'
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})
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});
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var data = {
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type: 'FeatureCollection',
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features: [{
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type: 'Feature',
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properties: {
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name: 'Null Island',
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population: 4000,
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rainfall: 500
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},
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geometry: {
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type: 'Point',
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coordinates: [0, 0]
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}
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}]
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};
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var style = new ol.style.Style({
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symbolizers: [
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new ol.style.Icon({
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url: 'icon.png'
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})
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]
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});
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var vector = new ol.layer.Vector({
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source: new ol.source.Vector({
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parser: new ol.parser.GeoJSON(),
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data: data
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}),
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style: style
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});
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var map = new ol.Map({
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layers: [raster, vector],
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renderer: ol.RendererHint.CANVAS,
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target: 'map',
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view: new ol.View2D({
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center: [0, 0],
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zoom: 3
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})
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});
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var element = document.getElementById('popup');
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var popup = new ol.Overlay({
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map: map,
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element: element
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});
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map.on('click', function(evt) {
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map.getFeatures({
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pixel: evt.getPixel(),
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layers: [vector],
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success: function(layerFeatures) {
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var feature = layerFeatures[0][0];
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if (feature) {
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var geometry = feature.getGeometry();
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var coord = geometry.getCoordinates();
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popup.setPosition(coord);
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$(element).popover({
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'placement': 'top',
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'html': true,
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'content': feature.get('name')
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});
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$(element).popover('show');
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} else {
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$(element).popover('hide');
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}
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}
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});
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});
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BIN
examples/icon.png
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examples/icon.png
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After Width: | Height: | Size: 3.8 KiB |
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