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Merge pull request #4240 from AnalyticalGraphicsInc/cluster
Label/Billboard/Point clustering
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,172 @@ | ||
| <!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="Cluster labels, billboards and points."> | ||
| <meta name="cesium-sandcastle-labels" content="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); | ||
| #toolbar { | ||
| background: rgba(42, 42, 42, 0.8); | ||
| padding: 4px; | ||
| border-radius: 4px; | ||
| } | ||
| #toolbar input { | ||
| vertical-align: middle; | ||
| padding-top: 2px; | ||
| padding-bottom: 2px; | ||
| } | ||
| </style> | ||
| <div id="cesiumContainer" class="fullSize"></div> | ||
| <div id="loadingOverlay"><h1>Loading...</h1></div> | ||
| <div id="toolbar"> | ||
| <table> | ||
| <tbody><tr> | ||
| <td>Pixel Range</td> | ||
| <td> | ||
| <input type="range" min="1" max="200" step="1" data-bind="value: pixelRange, valueUpdate: 'input'"> | ||
| <input type="text" size="2" data-bind="value: pixelRange"> | ||
| </td> | ||
| </tr> | ||
| <tr> | ||
| <td>Minimum Cluster Size</td> | ||
| <td> | ||
| <input type="range" min="2" max="20" step="1" data-bind="value: minimumClusterSize, valueUpdate: 'input'"> | ||
| <input type="text" size="2" data-bind="value: minimumClusterSize"> | ||
| </td> | ||
| </tr> | ||
| <tr><td><input type="checkbox" data-bind="checked: enabled"/>Enabled</td></tr> | ||
| <tr><td><input type="checkbox" data-bind="checked: customStyle"/>Custom Styling</td></tr> | ||
| </tbody> | ||
| </table> | ||
| </div> | ||
| <script id="cesium_sandcastle_script"> | ||
| function startup(Cesium) { | ||
| 'use strict'; | ||
| //Sandcastle_Begin | ||
| var viewer = new Cesium.Viewer('cesiumContainer'); | ||
|
|
||
| var options = { | ||
| camera : viewer.scene.camera, | ||
| canvas : viewer.scene.canvas | ||
| }; | ||
| var dataSourcePromise = viewer.dataSources.add(Cesium.KmlDataSource.load('../../SampleData/kml/facilities/facilities.kml', options)); | ||
| dataSourcePromise.then(function(dataSource) { | ||
| var pixelRange = 15; | ||
| var minimumClusterSize = 3; | ||
| var enabled = true; | ||
|
|
||
| dataSource.clustering.enabled = enabled; | ||
| dataSource.clustering.pixelRange = pixelRange; | ||
| dataSource.clustering.minimumClusterSize = minimumClusterSize; | ||
|
|
||
| var removeListener; | ||
|
|
||
| var pinBuilder = new Cesium.PinBuilder(); | ||
| var pin50 = pinBuilder.fromText('50+', Cesium.Color.RED, 48).toDataURL(); | ||
| var pin40 = pinBuilder.fromText('40+', Cesium.Color.ORANGE, 48).toDataURL(); | ||
| var pin30 = pinBuilder.fromText('30+', Cesium.Color.YELLOW, 48).toDataURL(); | ||
| var pin20 = pinBuilder.fromText('20+', Cesium.Color.GREEN, 48).toDataURL(); | ||
| var pin10 = pinBuilder.fromText('10+', Cesium.Color.BLUE, 48).toDataURL(); | ||
|
|
||
| var singleDigitPins = new Array(8); | ||
| for (var i = 0; i < singleDigitPins.length; ++i) { | ||
| singleDigitPins[i] = pinBuilder.fromText('' + (i + 2), Cesium.Color.VIOLET, 48).toDataURL(); | ||
| } | ||
|
|
||
| function customStyle() { | ||
| if (Cesium.defined(removeListener)) { | ||
| removeListener(); | ||
| removeListener = undefined; | ||
| } else { | ||
| removeListener = dataSource.clustering.clusterEvent.addEventListener(function(clusteredEntities, cluster) { | ||
| cluster.label.show = false; | ||
| cluster.billboard.show = true; | ||
| cluster.billboard.verticalOrigin = Cesium.VerticalOrigin.BOTTOM; | ||
|
|
||
| if (clusteredEntities.length >= 50) { | ||
| cluster.billboard.image = pin50; | ||
| } else if (clusteredEntities.length >= 40) { | ||
| cluster.billboard.image = pin40; | ||
| } else if (clusteredEntities.length >= 30) { | ||
| cluster.billboard.image = pin30; | ||
| } else if (clusteredEntities.length >= 20) { | ||
| cluster.billboard.image = pin20; | ||
| } else if (clusteredEntities.length >= 10) { | ||
| cluster.billboard.image = pin10; | ||
| } else { | ||
| cluster.billboard.image = singleDigitPins[clusteredEntities.length - 2]; | ||
| } | ||
| }); | ||
| } | ||
|
|
||
| // force a re-cluster with the new styling | ||
| var pixelRange = dataSource.clustering.pixelRange; | ||
| dataSource.clustering.pixelRange = 0; | ||
| dataSource.clustering.pixelRange = pixelRange; | ||
| } | ||
|
|
||
| // start with custom style | ||
| customStyle(); | ||
|
|
||
| var viewModel = { | ||
| pixelRange: pixelRange, | ||
| minimumClusterSize: minimumClusterSize, | ||
| enabled : enabled, | ||
| customStyle : true | ||
| }; | ||
| Cesium.knockout.track(viewModel); | ||
|
|
||
| var toolbar = document.getElementById('toolbar'); | ||
| Cesium.knockout.applyBindings(viewModel, toolbar); | ||
|
|
||
| function subscribeParameter(name) { | ||
| Cesium.knockout.getObservable(viewModel, name).subscribe( | ||
| function(newValue) { | ||
| dataSource.clustering[name] = newValue; | ||
| } | ||
| ); | ||
| } | ||
|
|
||
| subscribeParameter('pixelRange'); | ||
| subscribeParameter('minimumClusterSize'); | ||
| subscribeParameter('enabled'); | ||
| Cesium.knockout.getObservable(viewModel, 'customStyle').subscribe(customStyle); | ||
|
|
||
| var handler = new Cesium.ScreenSpaceEventHandler(viewer.scene.canvas); | ||
| handler.setInputAction(function(movement) { | ||
| var pickedLabel = viewer.scene.pick(movement.position); | ||
| if (Cesium.defined(pickedLabel)) { | ||
| var ids = pickedLabel.id; | ||
| if (Cesium.isArray(ids)) { | ||
| for (var i = 0; i < ids.length; ++i) { | ||
| ids[i].label.fillColor = Cesium.Color.RED; | ||
| } | ||
| } | ||
| } | ||
| }, Cesium.ScreenSpaceEventType.LEFT_CLICK); | ||
| }); | ||
| //Sandcastle_End | ||
| Sandcastle.finishedLoading(); | ||
| } | ||
| if (typeof Cesium !== "undefined") { | ||
| startup(Cesium); | ||
| } else if (typeof require === "function") { | ||
| require(["Cesium"], startup); | ||
| } | ||
| </script> | ||
| </body> | ||
| </html> |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
|
|
@@ -181,4 +181,4 @@ | |
| } | ||
| </script> | ||
| </body> | ||
| </html> | ||
| </html> | ||
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