174 lines
5.3 KiB
HTML
174 lines
5.3 KiB
HTML
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<!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="A sample BIM dataset rendered with 3D Tiles.">
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<meta name="cesium-sandcastle-labels" content="Showcases, 3D Tiles">
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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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if(typeof require === 'function') {
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require.config({
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baseUrl : '../../../Source',
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waitSeconds : 120
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});
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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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</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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function startup(Cesium) {
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'use strict';
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//Sandcastle_Begin
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// Power Plant design model provided by Bentley Systems
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var viewer = new Cesium.Viewer('cesiumContainer');
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var scene = viewer.scene;
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var tileset = scene.primitives.add(
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new Cesium.Cesium3DTileset({
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url: Cesium.IonResource.fromAssetId(8564)
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})
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);
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tileset.readyPromise.then(function(tileset) {
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viewer.zoomTo(tileset, new Cesium.HeadingPitchRange(0.5, -0.2, tileset.boundingSphere.radius * 4.0));
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}).otherwise(function(error) {
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console.log(error);
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});
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tileset.colorBlendMode = Cesium.Cesium3DTileColorBlendMode.REPLACE;
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var selectedFeature;
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var picking = false;
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Sandcastle.addToggleButton('Per-feature selection', false, function(checked) {
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picking = checked;
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if (!picking) {
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unselectFeature(selectedFeature);
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}
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});
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function selectFeature(feature) {
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var element = feature.getProperty('element');
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setElementColor(element, Cesium.Color.YELLOW);
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selectedFeature = feature;
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}
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function unselectFeature(feature) {
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if (!Cesium.defined(feature)) {
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return;
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}
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var element = feature.getProperty('element');
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setElementColor(element, Cesium.Color.WHITE);
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if (feature === selectedFeature) {
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selectedFeature = undefined;
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}
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}
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var handler = new Cesium.ScreenSpaceEventHandler(scene.canvas);
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handler.setInputAction(function(movement) {
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if (!picking) {
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return;
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}
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var feature = scene.pick(movement.endPosition);
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unselectFeature(selectedFeature);
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if (feature instanceof Cesium.Cesium3DTileFeature) {
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selectFeature(feature);
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}
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}, Cesium.ScreenSpaceEventType.MOUSE_MOVE);
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// In this tileset every feature has an "element" property which is a global ID.
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// This property is used to associate features across different tiles and LODs.
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// Workaround until 3D Tiles has the concept of global batch ids: https://github.com/AnalyticalGraphicsInc/3d-tiles/issues/265
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var elementMap = {}; // Build a map of elements to features.
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var hiddenElements = [112001, 113180, 131136, 113167, 71309, 109652, 111178, 113156, 113170, 124846, 114076, 131122, 113179, 114325, 131134, 113164, 113153, 113179, 109656, 114095, 114093, 39225, 39267, 113149, 113071, 112003, 39229, 113160, 39227, 39234, 113985, 39230, 112004, 39223];
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function getElement(feature) {
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return parseInt(feature.getProperty('element'), 10);
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}
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function setElementColor(element, color) {
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var featuresToColor = elementMap[element];
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var length = featuresToColor.length;
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for (var i = 0; i < length; ++i) {
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var feature = featuresToColor[i];
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feature.color = Cesium.Color.clone(color, feature.color);
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}
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}
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function unloadFeature(feature) {
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unselectFeature(feature);
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var element = getElement(feature);
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var features = elementMap[element];
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var index = features.indexOf(feature);
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if (index > -1) {
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features.splice(index, 1);
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}
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}
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function loadFeature(feature) {
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var element = getElement(feature);
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var features = elementMap[element];
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if (!Cesium.defined(features)) {
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features = [];
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elementMap[element] = features;
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}
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features.push(feature);
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if (hiddenElements.indexOf(element) > -1) {
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feature.show = false;
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}
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}
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function processContentFeatures(content, callback) {
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var featuresLength = content.featuresLength;
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for (var i = 0; i < featuresLength; ++i) {
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var feature = content.getFeature(i);
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callback(feature);
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}
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}
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function processTileFeatures(tile, callback) {
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var content = tile.content;
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var innerContents = content.innerContents;
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if (Cesium.defined(innerContents)) {
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var length = innerContents.length;
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for (var i = 0; i < length; ++i) {
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processContentFeatures(innerContents[i], callback);
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}
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} else {
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processContentFeatures(content, callback);
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}
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}
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tileset.tileLoad.addEventListener(function(tile) {
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processTileFeatures(tile, loadFeature);
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});
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tileset.tileUnload.addEventListener(function(tile) {
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processTileFeatures(tile, unloadFeature);
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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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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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