mirror of https://github.com/CesiumGS/cesium.git
141 lines
4.9 KiB
HTML
141 lines
4.9 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="Use clipping regions to hide the area under a model or 3D tileset."
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/>
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<meta name="cesium-sandcastle-labels" content="Beginner, 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="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"></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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const viewer = new Cesium.Viewer("cesiumContainer", {
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timeline: false,
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animation: false,
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sceneModePicker: false,
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baseLayerPicker: false,
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geocoder: Cesium.IonGeocodeProviderType.GOOGLE,
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// The globe does not need to be displayed,
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// since the Photorealistic 3D Tiles include terrain
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globe: false,
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});
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// Enable rendering the sky
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viewer.scene.skyAtmosphere.show = true;
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const currentTime = Cesium.JulianDate.fromIso8601(
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"2020-01-09T23:00:39.018261982600961346Z",
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);
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viewer.clock.currentTime = currentTime;
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// Add Photorealistic 3D Tiles
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let googleTileset;
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try {
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googleTileset = await Cesium.createGooglePhotorealistic3DTileset({
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// Only the Google Geocoder can be used with Google Photorealistic 3D Tiles. Set the `geocode` property of the viewer constructor options to IonGeocodeProviderType.GOOGLE.
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onlyUsingWithGoogleGeocoder: true,
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});
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viewer.scene.primitives.add(googleTileset);
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} catch (error) {
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console.log(`Error loading Photorealistic 3D Tiles tileset.
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${error}`);
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}
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// Load a GeoJSON file with positions defining the project footprint
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let footprint;
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try {
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const resource = await Cesium.IonResource.fromAssetId(2533131);
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const dataSource = await Cesium.GeoJsonDataSource.load(resource, {
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clampToGround: true,
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});
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viewer.dataSources.add(dataSource);
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footprint = dataSource.entities.values.find((entity) =>
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Cesium.defined(entity.polygon),
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);
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footprint.polygon.outline = false;
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// Zoom to data location, and set the home view
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const cameraOffset = new Cesium.HeadingPitchRange(
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Cesium.Math.toRadians(95.0),
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Cesium.Math.toRadians(-75.0),
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800.0,
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);
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viewer.zoomTo(footprint, cameraOffset);
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viewer.homeButton.viewModel.command.beforeExecute.addEventListener((e) => {
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e.cancel = true;
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viewer.zoomTo(footprint, cameraOffset);
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});
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} catch (error) {
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console.log(`Error loading geojson. ${error}`);
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}
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// Add a clipping region based on the loaded project footprint
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const positions = footprint.polygon.hierarchy.getValue().positions;
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const clippingPolygons = new Cesium.ClippingPolygonCollection({
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polygons: [
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new Cesium.ClippingPolygon({
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positions: positions,
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}),
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],
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});
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googleTileset.clippingPolygons = clippingPolygons;
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// Add tileset of proposed project design
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let buildingTileset;
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try {
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buildingTileset = await Cesium.Cesium3DTileset.fromIonAssetId(2533124);
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viewer.scene.primitives.add(buildingTileset);
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} catch (error) {
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console.log(`Error loading design tileset.
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${error}`);
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}
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Sandcastle.addToggleButton("Show proposed design", true, function (checked) {
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buildingTileset.show = checked;
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});
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Sandcastle.addToggleButton("Show footprint", true, function (checked) {
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footprint.show = checked;
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});
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Sandcastle.addToggleButton("Clip target location", true, function (checked) {
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clippingPolygons.enabled = checked;
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});
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Sandcastle.addToggleButton("Inverse clip", false, function (checked) {
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clippingPolygons.inverse = checked;
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});
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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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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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}
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</script>
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</body>
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</html>
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