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Add a sphere mollweide example

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Éric Lemoine
2014-07-11 22:10:07 +02:00
committed by Andreas Hocevar
parent 2365e73bef
commit e5a0e736ca
3 changed files with 270 additions and 0 deletions
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examples/data/geojson/countries-110m.geojson 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>Sphere Mollweide 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">Sphere Mollweide example</h4>
<p id="shortdesc">Example of a Sphere Mollweide map with a Graticule component.</p>
<div id="docs">
<p>See the <a href="sphere-mollweide.js" target="_blank">sphere-mollweide.js source</a> to see how this is done.</p>
</div>
<div id="tags">graticule, Mollweide, projection, proj4js</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="http://cdnjs.cloudflare.com/ajax/libs/proj4js/2.2.1/proj4.js" type="text/javascript"></script>
<script src="loader.js?id=sphere-mollweide" type="text/javascript"></script>
</body>
</html>

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goog.require('ol.Graticule');
goog.require('ol.Map');
goog.require('ol.View');
goog.require('ol.layer.Vector');
goog.require('ol.proj');
goog.require('ol.source.GeoJSON');
proj4.defs('ESRI:53009', '+proj=moll +lon_0=0 +x_0=0 +y_0=0 +a=6371000 ' +
'+b=6371000 +units=m +no_defs');
// Configure the Sphere Mollweide projection object with an extent,
// and a world extent. These are required for the Graticule.
var sphereMollweideProjection = ol.proj.get('ESRI:53009');
sphereMollweideProjection.setExtent([
-9009954.605703328, -9009954.605703328,
9009954.605703328, 9009954.605703328]);
sphereMollweideProjection.setWorldExtent([-179, -90, 179, 90]);
var map = new ol.Map({
keyboardEventTarget: document,
layers: [
new ol.layer.Vector({
source: new ol.source.GeoJSON({
projection: sphereMollweideProjection,
url: 'data/geojson/countries-110m.geojson'
})
})
],
renderer: 'canvas',
target: 'map',
view: new ol.View({
center: [0, 0],
projection: sphereMollweideProjection,
resolutions: [65536, 32768, 16384, 8192, 4096, 2048],
zoom: 0
})
});
var graticule = new ol.Graticule({
map: map
});