cesium-examples/map/3d/static/Cesium/Apps/Sandcastle/gallery/Imagery Layers Split.html

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HTML

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no">
<meta name="description" content="Use the split property to only show layers on one side of a slider.">
<meta name="cesium-sandcastle-labels" content="Beginner, Tutorials, Showcases">
<title>Cesium Demo</title>
<script type="text/javascript" src="../Sandcastle-header.js"></script>
<script type="text/javascript" src="../../../ThirdParty/requirejs-2.1.20/require.js"></script>
<script type="text/javascript">
require.config({
baseUrl : '../../../Source',
waitSeconds : 60
});
</script>
</head>
<body class="sandcastle-loading" data-sandcastle-bucket="bucket-requirejs.html">
<style>
@import url(../templates/bucket.css);
#slider {
position: absolute;
left: 50%;
top: 0px;
background-color: #D3D3D3;
width: 5px;
height: 100%;
z-index: 9999;
}
#slider:hover {
cursor: ew-resize;
}
</style>
<div id="cesiumContainer" class="fullSize">
<div id="slider"></div>
</div>
<div id="loadingOverlay"><h1>Loading...</h1></div>
<div id="toolbar"></div>
<script id="cesium_sandcastle_script">
function startup(Cesium) {
'use strict';
//Sandcastle_Begin
var viewer = new Cesium.Viewer('cesiumContainer', {
imageryProvider : new Cesium.ArcGisMapServerImageryProvider({
url : 'https://services.arcgisonline.com/ArcGIS/rest/services/World_Street_Map/MapServer'
}),
baseLayerPicker : false,
infoBox : false
});
var layers = viewer.imageryLayers;
var earthAtNight = layers.addImageryProvider(new Cesium.IonImageryProvider({ assetId: 3812 }));
earthAtNight.splitDirection = Cesium.ImagerySplitDirection.LEFT; // Only show to the left of the slider.
// Sync the position of the slider with the split position
var slider = document.getElementById('slider');
viewer.scene.imagerySplitPosition = (slider.offsetLeft) / slider.parentElement.offsetWidth;
var handler = new Cesium.ScreenSpaceEventHandler(slider);
var moveActive = false;
function move(movement) {
if(!moveActive) {
return;
}
var relativeOffset = movement.endPosition.x ;
var splitPosition = (slider.offsetLeft + relativeOffset) / slider.parentElement.offsetWidth;
slider.style.left = 100.0 * splitPosition + '%';
viewer.scene.imagerySplitPosition = splitPosition;
}
handler.setInputAction(function() {
moveActive = true;
}, Cesium.ScreenSpaceEventType.LEFT_DOWN);
handler.setInputAction(function() {
moveActive = true;
}, Cesium.ScreenSpaceEventType.PINCH_START);
handler.setInputAction(move, Cesium.ScreenSpaceEventType.MOUSE_MOVE);
handler.setInputAction(move, Cesium.ScreenSpaceEventType.PINCH_MOVE);
handler.setInputAction(function() {
moveActive = false;
}, Cesium.ScreenSpaceEventType.LEFT_UP);
handler.setInputAction(function() {
moveActive = false;
}, Cesium.ScreenSpaceEventType.PINCH_END);
//Sandcastle_End
Sandcastle.finishedLoading();
}
if (typeof Cesium !== 'undefined') {
startup(Cesium);
} else if (typeof require === 'function') {
require(['Cesium'], startup);
}
</script>
</body>
</html>