Files
openlayers/master/examples/Two Canvases.html
Éric Lemoine 5d14b9e2d4 Updated
2013-02-20 10:38:25 +01:00

153 lines
4.3 KiB
HTML

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=Edge,chrome=1"> <!-- Use Chrome Frame in IE -->
<meta name="viewport" content="width=device-width, height=device-height, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no">
<meta name="description" content="Create two canvases on the same page for visualizing different scenes.">
<title>Cesium Demo</title>
<script type="text/javascript" src="../Sandcastle-header.js"></script>
<script type="text/javascript" src="../../../Build/Unminified/Cesium.js"></script>
<script type="text/javascript" src="../Sandcastle-warn.js"></script>
</head>
<body data-sandcastle-bucket="bucket-plain.html" data-sandcastle-title="Cesium (standalone)">
<style>
body {
background: #000;
color: #eee;
font-family: sans-serif;
font-size: 9pt;
padding: 0;
margin: 0;
width: 100%;
height: 100%;
overflow: hidden;
}
.top {
display: block;
position: absolute;
top: 0;
left: 0;
border: none;
border-bottom: solid 2px #888;
width: 100%;
height: 50%;
}
.bottom {
display: block;
position: absolute;
bottom: 0;
left: 0;
border: none;
border-top: solid 2px #888;
width: 100%;
height: 50%;
}
#topbar {
margin: 5px;
padding: 2px 5px;
position: absolute;
top: 0;
left: 0;
}
#bottombar {
margin: 5px;
padding: 2px 5px;
position: absolute;
top: 50%;
left: 0;
}
</style>
<div id="cesiumContainerTop"></div>
<div id="cesiumContainerBottom"></div>
<div id="topbar">Loading...</div>
<div id="bottombar"></div>
<script id="cesium_sandcastle_script">
(function () {
"use strict";
var canvas3D = document.createElement('canvas');
canvas3D.className = "top";
document.getElementById('cesiumContainerTop').appendChild(canvas3D);
var canvas2D = document.createElement('canvas');
canvas2D.className = "bottom";
document.getElementById('cesiumContainerBottom').appendChild(canvas2D);
var ellipsoid = Cesium.Ellipsoid.WGS84;
function createScene(canvas) {
var scene = new Cesium.Scene(canvas);
var primitives = scene.getPrimitives();
var imageryUrl = '../../../Source/Assets/Textures/';
var imageryProvider = new Cesium.SingleTileImageryProvider({
url : imageryUrl + 'NE2_LR_LC_SR_W_DR_2048.jpg'
});
var cb = new Cesium.CentralBody(ellipsoid);
cb.getImageryLayers().addImageryProvider(imageryProvider);
primitives.setCentralBody(cb);
// Prevent right-click from opening a context menu.
canvas.oncontextmenu = function () {
return false;
};
return scene;
}
var scene3D = createScene(canvas3D);
var scene2D = createScene(canvas2D);
scene3D.skyAtmosphere = new Cesium.SkyAtmosphere();
var transitioner = new Cesium.SceneTransitioner(scene2D);
transitioner.to2D();
function render3D() {
scene3D.initializeFrame();
scene3D.render();
}
function render2D() {
scene2D.initializeFrame();
scene2D.render();
}
function tick() {
render3D();
render2D();
Cesium.requestAnimationFrame(tick);
}
tick();
// Resize handler
var onResizeScene = function (canvas, scene) {
var width = canvas.clientWidth;
var height = canvas.clientHeight;
if (canvas.width === width && canvas.height === height) {
return;
}
canvas.width = width;
canvas.height = height;
scene.getCamera().frustum.aspectRatio = width / height;
};
var onResize = function () {
onResizeScene(canvas3D, scene3D);
onResizeScene(canvas2D, scene2D);
};
window.addEventListener('resize', onResize, false);
window.setTimeout(onResize, 60);
document.getElementById('topbar').innerHTML = '3D';
document.getElementById('bottombar').innerHTML = '2D';
}());
</script>
</body>
</html>