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178 lines
5.4 KiB
HTML
178 lines
5.4 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
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name="viewport"
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content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no"
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/>
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<meta
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name="description"
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content="Adjust brightness, contrast, hue, saturation, and gamma of an imagery layer."
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/>
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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
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type="text/javascript"
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src="../../../Build/CesiumUnminified/Cesium.js"
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nomodule
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></script>
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<script type="module" src="../load-cesium-es6.js"></script>
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</head>
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<body
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class="sandcastle-loading"
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data-sandcastle-bucket="bucket-requirejs.html"
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>
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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>
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<tr>
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<td>Brightness</td>
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<td>
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<input
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type="range"
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min="0"
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max="3"
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step="0.02"
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data-bind="value: brightness, valueUpdate: 'input'"
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/>
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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
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type="range"
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min="0"
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max="3"
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step="0.02"
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data-bind="value: contrast, valueUpdate: 'input'"
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/>
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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
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type="range"
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min="0"
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max="3"
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step="0.02"
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data-bind="value: hue, valueUpdate: 'input'"
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/>
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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
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type="range"
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min="0"
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max="3"
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step="0.02"
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data-bind="value: saturation, valueUpdate: 'input'"
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/>
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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
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type="range"
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min="0"
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max="3"
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step="0.02"
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data-bind="value: gamma, valueUpdate: 'input'"
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/>
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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>
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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 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
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.getObservable(viewModel, name)
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.subscribe(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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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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window.startupCalled = true;
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startup(Cesium);
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}
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</script>
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</body>
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</html>
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