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@blueintegral
Created May 23, 2013 00:21
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Cosmic Microwave Background mapping - Maps an image taken by the Planck Survey onto a sphere.
<!DOCTYPE html>
<html lang="en">
<head>
<title>Planck Cosmic Microwave Background</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
<style>
body {
font-family: Monospace;
background-color: #f0f0f0;
margin: 0px;
overflow: hidden;
}
</style>
</head>
<body>
<script src="http://mrdoob.github.com/three.js/build/three.min.js"></script>
<script src="http://mrdoob.github.com/three.js/examples/js/controls/TrackballControls.js"></script>
<script src="http://mrdoob.github.com/three.js/examples/js/effects/AsciiEffect.js"></script>
<script src="http://mrdoob.github.com/three.js/examples/js/libs/stats.min.js"></script>
<script>
var container, stats;
var camera, controls, scene, renderer;
var sphere, plane;
var start = Date.now();
init();
animate();
function init() {
var width = window.innerWidth || 2;
var height = window.innerHeight || 2;
container = document.createElement( 'div' );
document.body.appendChild( container );
var info = document.createElement( 'div' );
info.style.position = 'absolute';
info.style.top = '10px';
info.style.width = '100%';
info.style.textAlign = 'center';
info.innerHTML = 'Spherical mapping of Planck Cosmic Microwave Background data. Drag to change the view';
container.appendChild( info );
camera = new THREE.PerspectiveCamera( 70, width / height, 1, 1000 );
camera.position.y = 150;
camera.position.z = 500;
controls = new THREE.TrackballControls( camera );
scene = new THREE.Scene();
var earthTexture = new THREE.Texture();
var loader = new THREE.ImageLoader();
loader.addEventListener( 'load', function ( event ) {
earthTexture.image = event.content;
earthTexture.needsUpdate = true;
} );
loader.load( 'moll.jpg' );
var geometry = new THREE.SphereGeometry( 300, 50, 50 );
var material = new THREE.MeshBasicMaterial( { map: earthTexture, overdraw: true } );
sphere = new THREE.Mesh( geometry, material );
scene.add( sphere );
renderer = new THREE.CanvasRenderer();
renderer.setSize( width, height );
container.appendChild( renderer.domElement );
stats = new Stats();
stats.domElement.style.position = 'absolute';
stats.domElement.style.top = '0px';
container.appendChild( stats.domElement );
window.addEventListener( 'resize', onWindowResize, false );
}
function onWindowResize() {
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize( window.innerWidth, window.innerHeight );
}
function animate() {
requestAnimationFrame( animate );
render();
stats.update();
}
function render() {
var timer = Date.now() - start;
controls.update();
renderer.render( scene, camera );
}
</script>
</body>
</html>
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