139 lines
4.4 KiB
HTML
139 lines
4.4 KiB
HTML
<!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="Adjust brightness, contrast, hue, saturation, and gamma of an imagery layer.">
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<meta name="cesium-sandcastle-labels" content="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>Brightness</td>
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<td>
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<input type="range" min="0" max="3" step="0.02" data-bind="value: brightness, valueUpdate: 'input'">
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<input type="text" size="5" data-bind="value: brightness">
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</td>
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</tr>
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<tr>
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<td>Contrast</td>
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<td>
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<input type="range" min="0" max="3" step="0.02" data-bind="value: contrast, valueUpdate: 'input'">
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<input type="text" size="5" data-bind="value: contrast">
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</td>
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</tr>
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<tr>
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<td>Hue</td>
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<td>
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<input type="range" min="0" max="3" step="0.02" data-bind="value: hue, valueUpdate: 'input'">
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<input type="text" size="5" data-bind="value: hue">
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</td>
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</tr>
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<tr>
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<td>Saturation</td>
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<td>
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<input type="range" min="0" max="3" step="0.02" data-bind="value: saturation, valueUpdate: 'input'">
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<input type="text" size="5" data-bind="value: saturation">
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</td>
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</tr>
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<tr>
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<td>Gamma</td>
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<td>
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<input type="range" min="0" max="3" step="0.02" data-bind="value: gamma, valueUpdate: 'input'">
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<input type="text" size="5" data-bind="value: gamma">
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</td>
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</tr>
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</tbody></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 imageryLayers = viewer.imageryLayers;
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// The viewModel tracks the state of our mini application.
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var viewModel = {
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brightness: 0,
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contrast: 0,
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hue: 0,
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saturation: 0,
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gamma: 0
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};
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// Convert the viewModel members into knockout observables.
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Cesium.knockout.track(viewModel);
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// Bind the viewModel to the DOM elements of the UI that call for it.
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var toolbar = document.getElementById('toolbar');
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Cesium.knockout.applyBindings(viewModel, toolbar);
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// Make the active imagery layer a subscriber of the viewModel.
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function subscribeLayerParameter(name) {
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Cesium.knockout.getObservable(viewModel, name).subscribe(
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function(newValue) {
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if (imageryLayers.length > 0) {
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var layer = imageryLayers.get(0);
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layer[name] = newValue;
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}
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}
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);
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}
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subscribeLayerParameter('brightness');
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subscribeLayerParameter('contrast');
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subscribeLayerParameter('hue');
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subscribeLayerParameter('saturation');
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subscribeLayerParameter('gamma');
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// Make the viewModel react to base layer changes.
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function updateViewModel() {
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if (imageryLayers.length > 0) {
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var layer = imageryLayers.get(0);
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viewModel.brightness = layer.brightness;
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viewModel.contrast = layer.contrast;
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viewModel.hue = layer.hue;
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viewModel.saturation = layer.saturation;
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viewModel.gamma = layer.gamma;
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}
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}
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imageryLayers.layerAdded.addEventListener(updateViewModel);
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imageryLayers.layerRemoved.addEventListener(updateViewModel);
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imageryLayers.layerMoved.addEventListener(updateViewModel);
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updateViewModel();
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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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