176 lines
6.1 KiB
HTML
176 lines
6.1 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="Cluster labels, billboards and points.">
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<meta name="cesium-sandcastle-labels" content="Tutorials,Showcases">
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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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#toolbar {
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background: rgba(42, 42, 42, 0.8);
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padding: 4px;
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border-radius: 4px;
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}
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#toolbar input {
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vertical-align: middle;
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padding-top: 2px;
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padding-bottom: 2px;
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}
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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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<table>
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<tbody><tr>
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<td>Pixel Range</td>
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<td>
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<input type="range" min="1" max="200" step="1" data-bind="value: pixelRange, valueUpdate: 'input'">
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<input type="text" size="2" data-bind="value: pixelRange">
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</td>
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</tr>
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<tr>
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<td>Minimum Cluster Size</td>
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<td>
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<input type="range" min="2" max="20" step="1" data-bind="value: minimumClusterSize, valueUpdate: 'input'">
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<input type="text" size="2" data-bind="value: minimumClusterSize">
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</td>
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</tr>
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</tbody>
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</table>
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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 viewer = new Cesium.Viewer('cesiumContainer');
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var options = {
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camera : viewer.scene.camera,
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canvas : viewer.scene.canvas
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};
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var dataSourcePromise = viewer.dataSources.add(Cesium.KmlDataSource.load('../../SampleData/kml/facilities/facilities.kml', options));
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dataSourcePromise.then(function(dataSource) {
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var pixelRange = 15;
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var minimumClusterSize = 3;
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var enabled = true;
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dataSource.clustering.enabled = enabled;
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dataSource.clustering.pixelRange = pixelRange;
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dataSource.clustering.minimumClusterSize = minimumClusterSize;
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var removeListener;
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var pinBuilder = new Cesium.PinBuilder();
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var pin50 = pinBuilder.fromText('50+', Cesium.Color.RED, 48).toDataURL();
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var pin40 = pinBuilder.fromText('40+', Cesium.Color.ORANGE, 48).toDataURL();
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var pin30 = pinBuilder.fromText('30+', Cesium.Color.YELLOW, 48).toDataURL();
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var pin20 = pinBuilder.fromText('20+', Cesium.Color.GREEN, 48).toDataURL();
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var pin10 = pinBuilder.fromText('10+', Cesium.Color.BLUE, 48).toDataURL();
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var singleDigitPins = new Array(8);
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for (var i = 0; i < singleDigitPins.length; ++i) {
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singleDigitPins[i] = pinBuilder.fromText('' + (i + 2), Cesium.Color.VIOLET, 48).toDataURL();
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}
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function customStyle() {
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if (Cesium.defined(removeListener)) {
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removeListener();
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removeListener = undefined;
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} else {
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removeListener = dataSource.clustering.clusterEvent.addEventListener(function(clusteredEntities, cluster) {
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cluster.label.show = false;
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cluster.billboard.show = true;
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cluster.billboard.id = cluster.label.id;
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cluster.billboard.verticalOrigin = Cesium.VerticalOrigin.BOTTOM;
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if (clusteredEntities.length >= 50) {
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cluster.billboard.image = pin50;
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} else if (clusteredEntities.length >= 40) {
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cluster.billboard.image = pin40;
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} else if (clusteredEntities.length >= 30) {
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cluster.billboard.image = pin30;
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} else if (clusteredEntities.length >= 20) {
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cluster.billboard.image = pin20;
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} else if (clusteredEntities.length >= 10) {
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cluster.billboard.image = pin10;
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} else {
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cluster.billboard.image = singleDigitPins[clusteredEntities.length - 2];
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}
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});
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}
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// force a re-cluster with the new styling
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var pixelRange = dataSource.clustering.pixelRange;
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dataSource.clustering.pixelRange = 0;
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dataSource.clustering.pixelRange = pixelRange;
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}
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// start with custom style
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customStyle();
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var viewModel = {
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pixelRange: pixelRange,
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minimumClusterSize: minimumClusterSize
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};
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Cesium.knockout.track(viewModel);
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var toolbar = document.getElementById('toolbar');
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Cesium.knockout.applyBindings(viewModel, toolbar);
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function subscribeParameter(name) {
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Cesium.knockout.getObservable(viewModel, name).subscribe(
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function(newValue) {
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dataSource.clustering[name] = newValue;
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}
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);
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}
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subscribeParameter('pixelRange');
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subscribeParameter('minimumClusterSize');
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Sandcastle.addToggleButton('Enabled', true, function(checked) {
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dataSource.clustering.enabled = checked;
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});
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Sandcastle.addToggleButton('Custom Styling', true, function(checked) {
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customStyle();
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});
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var handler = new Cesium.ScreenSpaceEventHandler(viewer.scene.canvas);
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handler.setInputAction(function(movement) {
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var pickedLabel = viewer.scene.pick(movement.position);
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if (Cesium.defined(pickedLabel)) {
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var ids = pickedLabel.id;
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if (Cesium.isArray(ids)) {
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for (var i = 0; i < ids.length; ++i) {
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ids[i].billboard.color = Cesium.Color.RED;
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}
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}
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}
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}, Cesium.ScreenSpaceEventType.LEFT_CLICK);
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});
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//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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