149 lines
4.3 KiB
HTML
149 lines
4.3 KiB
HTML
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no">
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<meta name="description" content="CZML Custom Properties">
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<meta name="cesium-sandcastle-labels" content="CZML">
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<title>Cesium Demo</title>
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<script type="text/javascript" src="../Sandcastle-header.js"></script>
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<script type="text/javascript" src="../../../ThirdParty/requirejs-2.1.20/require.js"></script>
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<script type="text/javascript">
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require.config({
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baseUrl : '../../../Source',
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waitSeconds : 60
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});
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</script>
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</head>
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<body class="sandcastle-loading" data-sandcastle-bucket="bucket-requirejs.html">
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<style>
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@import url(../templates/bucket.css);
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</style>
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<div id="cesiumContainer" class="fullSize"></div>
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<div id="loadingOverlay"><h1>Loading...</h1></div>
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<div id="toolbar">
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<div id="propertiesMenu"></div>
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</div>
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</div>
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<script id="cesium_sandcastle_script">
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function startup(Cesium) {
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'use strict';
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//Sandcastle_Begin
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var czml = [{
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"id" : "document",
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"name" : "CZML Custom Properties",
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"version" : "1.0",
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"clock": {
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"interval": "1970/2010",
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"currentTime": "1970",
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"multiplier": 500000000
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}
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}, {
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"id" : "custom_property_object",
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"name" : "An object with custom properties",
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"properties" : {
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"constant_property" : true,
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"population_intervals" : [{
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"interval": "1970/1980",
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"number": 2209600
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}, {
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"interval": "1980/2090",
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"number": 2889700
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}, {
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"interval" : "1990/2000",
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"number": 3307600
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}, {
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"interval" : "2000/2010",
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"number" : 4326900
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}],
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"population_sampled" : {
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"number": [
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"1970", 2209600,
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"1980", 2889700,
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"1990", 3307600,
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"2000", 4326900,
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"2010", 5049100
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]
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}
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}
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}, {
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"id" : "colorado",
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"name" : "Colorado",
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"polygon" : {
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"positions" : {
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"cartographicDegrees" : [
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-109.03, 41, 0,
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-102.03, 41, 0,
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-102.03, 37, 0,
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-109.03, 37, 0
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]
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},
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"material" : {
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"solidColor" : {
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"color" : {
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"rgba" : [0, 255, 0, 150]
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}
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}
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},
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"height" : 0,
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"extrudedHeight": 0
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}
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}];
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var viewer = new Cesium.Viewer('cesiumContainer', {
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shouldAnimate : true
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});
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var dataSource = new Cesium.CzmlDataSource();
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function scaleProperty(property, scalingFactor) {
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// returns a property that scales another property by a constant factor.
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return new Cesium.CallbackProperty(function(time, result) {
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result = property.getValue(time, result);
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result = result * scalingFactor;
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return result;
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}, property.isConstant);
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}
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function setExtrudedHeight(propertyName) {
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var customPropertyObject = dataSource.entities.getById('custom_property_object');
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var property = customPropertyObject.properties[propertyName];
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var colorado = dataSource.entities.getById('colorado');
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// Because the population values are so large, we scale them down
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// by 50 so they fit on the screen.
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// If we didn't need to scale, we could directly assign the property
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// to extrudedHeight.
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// colorado.polygon.extrudedHeight = scaleProperty(property, 1 / 50.0);
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colorado.polygon.extrudedHeight = scaleProperty(property, 1 / 50.0);
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}
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// Custom properties can be used as the value of graphical properties:
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Sandcastle.addToolbarMenu([{
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text: 'Use interval data',
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onselect: function () {
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setExtrudedHeight('population_intervals');
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}
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}, {
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text: 'Use sampled data',
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onselect: function () {
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setExtrudedHeight('population_sampled');
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}
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}], 'propertiesMenu');
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dataSource.load(czml);
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viewer.dataSources.add(dataSource);
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viewer.zoomTo(dataSource);//Sandcastle_End
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Sandcastle.finishedLoading();
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}
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if (typeof Cesium !== 'undefined') {
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startup(Cesium);
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} else if (typeof require === 'function') {
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require(['Cesium'], startup);
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}
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</script>
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</body>
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</html>
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