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Merge pull request #7730 from jasonbeverage/sdf-labels
SDF Text Labels!
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,154 @@ | ||
| <!DOCTYPE html> | ||
| <html lang="en"> | ||
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|
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| <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="Create and style textual labels."> | ||
| <meta name="cesium-sandcastle-labels" content="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); | ||
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| #toolbar { | ||
| background: rgba(42, 42, 42, 0.8); | ||
| padding: 4px; | ||
| border-radius: 4px; | ||
| } | ||
| </style> | ||
| <div id="cesiumContainer" class="fullSize"></div> | ||
| <div id="loadingOverlay"> | ||
| <h1>Loading...</h1> | ||
| </div> | ||
| <div id="toolbar"> | ||
| <table> | ||
| <tbody> | ||
| <tr> | ||
| <td>Outline</td> | ||
| <td> | ||
| <input type="range" min="0.0" max="8.0" step="0.01" | ||
| data-bind="value: outlineWidth, valueUpdate: 'input'"> | ||
| <input type="text" size="5" data-bind="value: outlineWidth"> | ||
| </td> | ||
| </tr> | ||
| <tr> | ||
| <td>Scale</td> | ||
| <td> | ||
| <input type="range" min="0.1" max="20.0" step="0.01" | ||
| data-bind="value: scale, valueUpdate: 'input'"> | ||
| <input type="text" size="5" data-bind="value: scale"> | ||
| </td> | ||
| </tr> | ||
| <tr> | ||
| <td class="header">Outline Color</td> | ||
| </tr> | ||
| <tr> | ||
| <td>Color</td> | ||
| <td><select data-bind="options: outlineColors, value: outlineColor"></select></td> | ||
| </tr> | ||
| </tbody> | ||
| </table> | ||
| </div> | ||
| <script id="cesium_sandcastle_script"> | ||
| function startup(Cesium) { | ||
| 'use strict'; | ||
| //Sandcastle_Begin | ||
| function getColor(colorName, alpha) { | ||
| var color = Cesium.Color[colorName.toUpperCase()]; | ||
| return Cesium.Color.fromAlpha(color, parseFloat(alpha)); | ||
| } | ||
|
|
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| var viewer = new Cesium.Viewer('cesiumContainer'); | ||
|
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| // The viewModel tracks the state of our mini application. | ||
| var viewModel = { | ||
| outlineWidth: 1.0, | ||
| scale: 1.0, | ||
| outlineColor: 'Red', | ||
| outlineColors: ['Red', 'Green', 'Blue', 'Yellow', 'Gray', 'Black'] | ||
| }; | ||
|
|
||
| // Convert the viewModel members into knockout observables. | ||
| Cesium.knockout.track(viewModel); | ||
| // Bind the viewModel to the DOM elements of the UI that call for it. | ||
| var toolbar = document.getElementById('toolbar'); | ||
| Cesium.knockout.applyBindings(viewModel, toolbar); | ||
|
|
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| // Create a label collection with two labels | ||
| var labels = viewer.scene.primitives.add(new Cesium.LabelCollection()); | ||
| var label = labels.add({ | ||
| position: Cesium.Cartesian3.fromDegrees(-75.1641667, 39.9522222), | ||
| text: 'Philadelphia', | ||
| fillColor: Cesium.Color.WHITE, | ||
| outlineColor: getColor(viewModel.outlineColor, 1.0), | ||
| font: '48px Calibri', | ||
| outlineWidth: 1.0, | ||
| scale: viewModel.scale, | ||
| style: Cesium.LabelStyle.FILL_AND_OUTLINE | ||
| }); | ||
|
|
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| var morgantown = labels.add({ | ||
| position: Cesium.Cartesian3.fromDegrees(-79.9559, 39.6295), | ||
| text: 'Morgantown', | ||
| fillColor: Cesium.Color.YELLOW, | ||
| font: '24px Calibri', | ||
| outlineColor: Cesium.Color.BLUE, | ||
| outlineWidth: 2.0, | ||
| style: Cesium.LabelStyle.FILL_AND_OUTLINE | ||
| }); | ||
|
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| Cesium.knockout.getObservable(viewModel, 'outlineWidth').subscribe(function(newValue) { | ||
| label.outlineWidth = parseFloat(newValue); | ||
| }); | ||
|
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| Cesium.knockout.getObservable(viewModel, 'scale').subscribe(function(newValue) { | ||
| label.scale = parseFloat(newValue); | ||
| }); | ||
|
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| Cesium.knockout.getObservable(viewModel, 'outlineColor').subscribe(function(newValue) { | ||
| label.outlineColor = getColor(newValue, 1.0); | ||
| }); | ||
|
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||
| var outlineDelta = 0.1; | ||
| var fontDelta = -1.0; | ||
| var fontSize = 48.0; | ||
| var minFontSize = 1.0; | ||
| var maxFontSize = 48.0; | ||
|
|
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| viewer.scene.preUpdate.addEventListener(function(scene, time) { | ||
| morgantown.outlineWidth += outlineDelta; | ||
| if (morgantown.outlineWidth >= 4.0 || morgantown.outlineWidth <= 0.0) { | ||
| outlineDelta *= -1.0; | ||
| } | ||
|
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| fontSize += fontDelta; | ||
| if (fontSize >= maxFontSize || fontSize <= minFontSize) { | ||
| fontDelta *= -1.0; | ||
| } | ||
| morgantown.font = fontSize + 'px Calibri'; | ||
| }); | ||
| //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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