mirror of https://github.com/CesiumGS/cesium.git
114 lines
3.8 KiB
HTML
114 lines
3.8 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="Set a custom resolution scale and/or toggle the browser's recommended resolution."
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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 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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</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>Use Browser Recommended Resolution</td>
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<td>
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<input
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type="checkbox"
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data-bind="checked: useBrowserRecommendedResolution"
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/>
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</td>
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</tr>
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<tr>
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<td>Resolution Scale</td>
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<td>
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<input
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type="range"
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min="0.1"
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max="2.0"
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step="0.1"
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data-bind="value: resolutionScale, valueUpdate: 'input'"
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/>
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<input type="text" size="5" data-bind="value: resolutionScale" />
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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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window.startup = async function (Cesium) {
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"use strict";
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//Sandcastle_Begin
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// When browser recommended resolution is enabled, the viewer renders at
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// CSS pixel resolution (96 dpi). Otherwise, the viewer renders at the
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// screen's native resolution.
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//
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// Resolution scale applies an additional scaling factor to the
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// WebGL canvas.
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//
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// For example, if the cesium container div is 500x500 pixels,
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// window.devicePixelRatio is 2.0, and useBrowserRecommendedResolution
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// is false, the WebGL canvas will be 1000x1000 pixels. Then if
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// the resolutionScale is 0.25, the canvas will be scaled
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// down to 250x250 pixels.
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const viewer = new Cesium.Viewer("cesiumContainer");
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const viewModel = {
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useBrowserRecommendedResolution: false,
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resolutionScale: 0.25,
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};
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Cesium.knockout.track(viewModel);
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const toolbar = document.getElementById("toolbar");
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Cesium.knockout.applyBindings(viewModel, toolbar);
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for (const name in viewModel) {
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if (viewModel.hasOwnProperty(name)) {
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Cesium.knockout.getObservable(viewModel, name).subscribe(update);
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}
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}
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function update() {
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viewer.useBrowserRecommendedResolution =
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viewModel.useBrowserRecommendedResolution;
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let resolutionScale = Number(viewModel.resolutionScale);
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resolutionScale = !isNaN(resolutionScale) ? resolutionScale : 1.0;
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resolutionScale = Cesium.Math.clamp(resolutionScale, 0.1, 2.0);
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viewer.resolutionScale = resolutionScale;
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}
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update();
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//Sandcastle_End
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};
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if (typeof Cesium !== "undefined") {
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window.startupCalled = true;
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window.startup(Cesium).catch((error) => {
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"use strict";
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console.error(error);
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});
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Sandcastle.finishedLoading();
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}
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</script>
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</body>
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</html>
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