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

333 lines
12 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="Layer imagery from multiple sources, including WMS servers, Bing Maps, ArcGIS Online, OpenStreetMaps, and more, and adjust the alpha of each independently.">
<title>Cesium Demo</title>
<script type="text/javascript" src="../Sandcastle-header.js"></script>
<script data-dojo-config="async: 1, tlmSiblingOfDojo: 0" src="../../../ThirdParty/dojo-release-1.7.2-src/dojo/dojo.js"></script>
<script type="text/javascript">
require({
baseUrl : '../../..',
packages: [
{ name: 'dojo', location: 'ThirdParty/dojo-release-1.7.2-src/dojo' },
{ name: 'dijit', location: 'ThirdParty/dojo-release-1.7.2-src/dijit' },
{ name: 'dojox', location: 'ThirdParty/dojo-release-1.7.2-src/dojox' },
{ name: 'Assets', location: 'Source/Assets' },
{ name: 'Core', location: 'Source/Core' },
{ name: 'DynamicScene', location: 'Source/DynamicScene' },
{ name: 'Renderer', location: 'Source/Renderer' },
{ name: 'Scene', location: 'Source/Scene' },
{ name: 'Shaders', location: 'Source/Shaders' },
{ name: 'ThirdParty', location: 'Source/ThirdParty' },
{ name: 'Widgets', location: 'Source/Widgets' },
{ name: 'Workers', location: 'Source/Workers' }
]
});
</script>
<link rel="Stylesheet" href="../../../ThirdParty/dojo-release-1.7.2-src/dijit/themes/claro/claro.css" type="text/css">
<link rel="Stylesheet" href="../../../Source/Widgets/Dojo/CesiumViewerWidget.css" type="text/css">
</head>
<body class="claro" data-sandcastle-bucket="bucket-dojo.html" data-sandcastle-title="Cesium + Dojo">
<style>
body {
background: #000;
color: #eee;
font-family: sans-serif;
font-size: 9pt;
padding: 0;
margin: 0;
width: 100%;
height: 100%;
overflow: hidden;
}
.fullSize {
display: block;
position: absolute;
top: 0;
left: 0;
border: none;
width: 100%;
height: 100%;
}
#toolbar {
margin: 5px;
padding: 2px 5px;
position: absolute;
}
.upArrow {
background-image: url("../images/UpArrow.png");
background-repeat: no-repeat;
width: 16px;
height: 16px;
text-align: center;
}
.downArrow {
background-image: url("../images/DownArrow.png");
background-repeat: no-repeat;
width: 16px;
height: 16px;
text-align: center;
}
</style>
<div id="cesiumContainer" class="fullSize"></div>
<div id="toolbar">Loading...</div>
<script id="cesium_sandcastle_script">
require([
'Source/Cesium',
'Widgets/Dojo/CesiumWidget',
'dojo/on',
'dojo/dom',
'dojo/dom-construct',
'dijit/DropDownMenu',
'dijit/MenuItem',
'dijit/form/Button',
'dijit/form/CheckBox',
'dijit/form/DropDownButton',
'dijit/form/HorizontalSlider'
], function(
Cesium,
CesiumWidget,
on,
dom,
domConstruct,
DropDownMenu,
MenuItem,
Button,
CheckBox,
DropDownButton,
HorizontalSlider)
{
"use strict";
var imageryLayerCollection;
var baseLayers = [];
function setupLayers() {
// Create all the base layers that this example will support.
// These base layers aren't really special. It's possible to have multiple of them
// enabled at once, just like the other layers, but it doesn't make much sense because
// all of these layers cover the entire globe and are opaque.
addBaseLayerOption(
'Bing Maps Aerial',
undefined); // the current base layer
addBaseLayerOption(
'Bing Maps Road',
new Cesium.BingMapsImageryProvider({
url: 'http://dev.virtualearth.net',
mapStyle: Cesium.BingMapsStyle.ROAD,
// Some versions of Safari support WebGL, but don't correctly implement
// cross-origin image loading, so we need to load Bing imagery using a proxy.
proxy: Cesium.FeatureDetection.supportsCrossOriginImagery() ? undefined : new Cesium.DefaultProxy('/proxy/')
}));
addBaseLayerOption(
'ArcGIS World Street Maps',
new Cesium.ArcGisMapServerImageryProvider({
url : 'http://server.arcgisonline.com/ArcGIS/rest/services/World_Street_Map/MapServer',
proxy: new Cesium.DefaultProxy('/proxy/')
}));
addBaseLayerOption(
'OpenStreetMaps',
new Cesium.OpenStreetMapImageryProvider({
proxy: new Cesium.DefaultProxy('/proxy/')
}));
addBaseLayerOption(
'MapQuest OpenStreetMaps',
new Cesium.OpenStreetMapImageryProvider({
url: 'http://otile1.mqcdn.com/tiles/1.0.0/osm/',
proxy: new Cesium.DefaultProxy('/proxy/')
}));
addBaseLayerOption(
'Stamen Maps',
new Cesium.OpenStreetMapImageryProvider({
url: 'http://tile.stamen.com/watercolor/',
fileExtension: 'jpg',
proxy: new Cesium.DefaultProxy('/proxy/'),
credit: 'Map tiles by Stamen Design, under CC BY 3.0. Data by OpenStreetMap, under CC BY SA.'
}));
addBaseLayerOption(
'Single Image',
new Cesium.SingleTileImageryProvider({
url : require.toUrl('Assets/Textures/NE2_LR_LC_SR_W_DR_2048.jpg')
}));
// Create the additional layers
addAdditionalLayerOption(
'United States GOES infrared',
new Cesium.WebMapServiceImageryProvider({
url : 'http://mesonet.agron.iastate.edu/cgi-bin/wms/goes/conus_ir.cgi?',
layers : 'goes_conus_ir',
credit : 'Infrared data courtesy Iowa Environmental Mesonet',
parameters : {
transparent : 'true',
format : 'image/png'
},
proxy : new Cesium.DefaultProxy('/proxy/')
}));
addAdditionalLayerOption(
'United States weather radar',
new Cesium.WebMapServiceImageryProvider({
url : 'http://mesonet.agron.iastate.edu/cgi-bin/wms/nexrad/n0r.cgi?',
layers : 'nexrad-n0r',
credit : 'Radar data courtesy Iowa Environmental Mesonet',
parameters : {
transparent : 'true',
format : 'image/png'
},
proxy : new Cesium.DefaultProxy('/proxy/')
}));
addAdditionalLayerOption(
'TMS Image',
new Cesium.TileMapServiceImageryProvider({
url : '../images/cesium_maptiler/Cesium_Logo_Color'
}),0.2);
addAdditionalLayerOption(
'Single image',
new Cesium.SingleTileImageryProvider({
url : '../images/Cesium_Logo_overlay.png',
extent : new Cesium.Extent(
Cesium.Math.toRadians(-115.0),
Cesium.Math.toRadians(38.0),
Cesium.Math.toRadians(-107),
Cesium.Math.toRadians(39.75))
}),
1.0);
}
function addBaseLayerOption(name, imageryProvider) {
var layer;
if (typeof imageryProvider === 'undefined') {
layer = imageryLayerCollection.get(0);
} else {
layer = new Cesium.ImageryLayer(imageryProvider);
}
layer.name = name;
baseLayers.push(layer);
}
function addAdditionalLayerOption(name, imageryProvider, alpha) {
var layer = imageryLayerCollection.addImageryProvider(imageryProvider);
layer.alpha = Cesium.defaultValue(alpha, 0.5);
layer.name = name;
}
function createLayerUserInterface() {
domConstruct.place('<table id="layerTable"></table>', 'toolbar');
updateUserInterface(imageryLayerCollection);
}
function updateUserInterface() {
domConstruct.place('<table id="layerTable"></table>', 'layerTable', 'replace');
for (var i = imageryLayerCollection.getLength() - 1; i >= 0; --i) {
var layer = imageryLayerCollection.get(i);
domConstruct.place('<tr><td id="layerToggle' + i + '"></td><td id="layerLabel' + i + '"></td><td id="layerSlider' + i + '"></td><td id="layerUpArrow' + i + '"></td><td id="layerDownArrow' + i + '"></td></tr>', 'layerTable');
if (baseLayers.indexOf(layer) < 0) {
domConstruct.place('<span>' + layer.name + '</span>', 'layerLabel' + i);
} else {
createBaseLayerSelector(layer, i);
}
createUserInterfaceForLayer(layer, i);
}
}
function createUserInterfaceForLayer(layer, layerIndex) {
new CheckBox({
checked: layer.show,
onChange: function(b) {
layer.show = !layer.show;
updateUserInterface();
}
}).placeAt('layerToggle' + layerIndex);
new HorizontalSlider({
value: layer.alpha,
minimum: 0.0,
maximum: 1.0,
intermediateChanges: true,
style: "width:150px;",
onChange: function(value) {
layer.alpha = value;
}
}).placeAt('layerSlider' + layerIndex);
var showRaise = layerIndex >= 0 && layerIndex < imageryLayerCollection.getLength() - 1;
var showLower = layerIndex > 0;
new Button({
label: "Raise",
showLabel: false,
iconClass: "upArrow",
style: (showRaise ? "" : "visibility:hidden"),
onClick: function() {
if (showRaise) {
imageryLayerCollection.raise(layer);
updateUserInterface();
}
}
}).placeAt('layerUpArrow' + layerIndex);
new Button({
label: "Lower",
showLabel: false,
iconClass: "downArrow",
style: (showLower ? "" : "visibility:hidden"),
onClick: function() {
if (showLower) {
imageryLayerCollection.lower(layer);
updateUserInterface();
}
}
}).placeAt('layerDownArrow' + layerIndex);
}
function createBaseLayerSelector(layer, layerIndex) {
var menu = new DropDownMenu();
for (var i = 0, len = baseLayers.length; i < len; ++i) {
menu.addChild(createBaseLayerMenuItem(baseLayers[i], i, layer, layerIndex));
}
var button = new DropDownButton({
label : layer.name,
dropDown : menu
});
button.placeAt('layerLabel' + layerIndex);
}
function createBaseLayerMenuItem(baseLayer, baseLayerIndex, activeLayer, activeLayerIndex) {
return new MenuItem({
label : baseLayer.name,
onClick : function() {
imageryLayerCollection.remove(activeLayer, false);
imageryLayerCollection.add(baseLayer, activeLayerIndex);
updateUserInterface();
}
});
}
var widget = new CesiumWidget();
widget.placeAt(dom.byId('cesiumContainer'));
widget.startup();
dom.byId('toolbar').innerHTML = '';
var scene = widget.scene;
var centralBody = widget.centralBody;
imageryLayerCollection = centralBody.getImageryLayers();
setupLayers();
createLayerUserInterface();
});
</script>
</body>
</html>