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Add example

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This commit is contained in:
Andreas Hocevar
2014-06-16 17:24:36 +02:00
committed by Éric Lemoine
parent e161f0eaba
commit 4e52224c12
2 changed files with 125 additions and 0 deletions
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examples/wmts-hidpi.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="../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>WMTS HiDPI example</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="span12">
<h4 id="title">WMTS HiDPI example</h4>
<p id="shortdesc">Example of a WMTS based HiDPI layer.</p>
<div id="docs">
<p>See the <a href="wmts-hidpi.js" target="_blank">wmts-hidpi.js source</a> to see how this is done.</p>
</div>
<div id="tags">hidpi, retina, wmts</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=wmts-hidpi" type="text/javascript"></script>
</body>
</html>

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examples/wmts-hidpi.js Normal file
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goog.require('ol.BrowserFeature');
goog.require('ol.Map');
goog.require('ol.View2D');
goog.require('ol.layer.Tile');
goog.require('ol.source.WMTS');
goog.require('ol.tilegrid.WMTS');
var template =
'{Layer}/{Style}/{TileMatrixSet}/{TileMatrix}/{TileRow}/{TileCol}.jpeg';
var urls = [
'http://maps1.wien.gv.at/basemap/' + template,
'http://maps2.wien.gv.at/basemap/' + template,
'http://maps3.wien.gv.at/basemap/' + template,
'http://maps4.wien.gv.at/basemap/' + template,
'http://maps.wien.gv.at/basemap/' + template
];
// HiDPI support:
// * Use 'bmaphidpi' layer (pixel ratio 2) for device pixel ratio > 1
// * Use 'geolandbasemap' layer (pixel ratio 1) for device pixel ratio == 1
var hiDPI = ol.BrowserFeature.DEVICE_PIXEL_RATIO > 1;
var source = new ol.source.WMTS({
extent: [977844.377599999, 5837774.6617, 1915609.8654, 6295560.8122],
projection: 'EPSG:3857',
layer: hiDPI ? 'bmaphidpi' : 'geolandbasemap',
style: 'normal',
matrixSet: 'google3857',
urls: urls,
requestEncoding: /** @type {ol.source.WMTSRequestEncoding} */ ('REST'),
tileGrid: new ol.tilegrid.WMTS({
origin: [-20037508.3428, 20037508.3428],
resolutions: [
559082264.029 * 0.28E-3,
279541132.015 * 0.28E-3,
139770566.007 * 0.28E-3,
69885283.0036 * 0.28E-3,
34942641.5018 * 0.28E-3,
17471320.7509 * 0.28E-3,
8735660.37545 * 0.28E-3,
4367830.18773 * 0.28E-3,
2183915.09386 * 0.28E-3,
1091957.54693 * 0.28E-3,
545978.773466 * 0.28E-3,
272989.386733 * 0.28E-3,
136494.693366 * 0.28E-3,
68247.3466832 * 0.28E-3,
34123.6733416 * 0.28E-3,
17061.8366708 * 0.28E-3,
8530.91833540 * 0.28E-3,
4265.45916770 * 0.28E-3,
2132.72958385 * 0.28E-3,
1066.36479193 * 0.28E-3
],
matrixIds: [
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19
]
})
});
var map = new ol.Map({
layers: [
new ol.layer.Tile({
source: source
})
],
target: 'map',
view: new ol.View2D({
center: [1823849, 6143760],
zoom: 11
})
});