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Add Tissot indicatrix example

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Frederic Junod
2014-04-15 14:22:35 +02:00
parent 38f8774cc4
commit 4d548d99a7
2 changed files with 95 additions and 0 deletions
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examples/tissot.html
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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>Tissot indicatrix 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">Tissot indicatrix example</h4>
<p id="shortdesc">Example of a <a href="http://en.wikipedia.org/wiki/Tissot's_indicatrix">Tissot indicatrix</a> map.</p>
<div id="docs">
<p>See the <a href="tissot.js" target="_blank">tissot.js source</a> to see how this is done.</p>
</div>
<div id="tags">tissot, circle</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=tissot" type="text/javascript"></script>
</body>
</html>
examples/tissot.js
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goog.require('ol.Feature');
goog.require('ol.Map');
goog.require('ol.View2D');
goog.require('ol.layer.Tile');
goog.require('ol.layer.Vector');
goog.require('ol.source.TileWMS');
goog.require('ol.source.Vector');
goog.require('ol.sphere.WGS84');
var vectorSource = new ol.source.Vector();
var map = new ol.Map({
layers: [
new ol.layer.Tile({
source: new ol.source.TileWMS({
url: 'http://vmap0.tiles.osgeo.org/wms/vmap0',
params: {
'VERSION': '1.1.1',
'LAYERS': 'basic',
'FORMAT': 'image/jpeg'
}
})
}),
new ol.layer.Vector({
source: vectorSource
})
],
renderer: 'canvas',
target: 'map',
view: new ol.View2D({
projection: 'EPSG:4326',
center: [0, 0],
zoom: 2
})
});
var radius = 800000;
for (var x = -180; x < 180; x += 30) {
for (var y = -90; y < 90; y += 30) {
var geometry = ol.sphere.WGS84.circle([x, y], radius, 64);
vectorSource.addFeature(new ol.Feature(geometry));
}
}