270 lines
9.3 KiB
HTML
270 lines
9.3 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="User-defined clipping planes applied to a batched 3D Tileset, point cloud, and model.">
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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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#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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#toolbar .header {
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font-weight: bold;
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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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<select data-bind="options: exampleTypes, value: currentExampleType"></select>
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<input type="checkbox" value="false" data-bind="checked: debugBoundingVolumesEnabled, valueUpdate: 'input'"> Show bounding volume
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<input type="checkbox" value="true" data-bind="checked: edgeStylingEnabled, valueUpdate: 'input'"> Enable edge styling
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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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// Add a clipping plane, a plane geometry to show the representation of the
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// plane, and control the magnitude of the plane distance with the mouse.
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var viewer = new Cesium.Viewer('cesiumContainer', {
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infoBox: false,
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selectionIndicator: false,
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terrainProvider: Cesium.createWorldTerrain()
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});
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var scene = viewer.scene;
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var clipObjects = ['BIM', 'Point Cloud', 'Instanced', 'Model'];
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var viewModel = {
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debugBoundingVolumesEnabled : false,
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edgeStylingEnabled : true,
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exampleTypes : clipObjects,
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currentExampleType : clipObjects[0]
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};
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var targetY = 0.0;
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var planeEntities = [];
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var selectedPlane;
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var clippingPlanes;
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// Select plane when mouse down
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var downHandler = new Cesium.ScreenSpaceEventHandler(viewer.scene.canvas);
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downHandler.setInputAction(function(movement) {
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var pickedObject = scene.pick(movement.position);
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if (Cesium.defined(pickedObject) &&
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Cesium.defined(pickedObject.id) &&
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Cesium.defined(pickedObject.id.plane)) {
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selectedPlane = pickedObject.id.plane;
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selectedPlane.material = Cesium.Color.WHITE.withAlpha(0.05);
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selectedPlane.outlineColor = Cesium.Color.WHITE;
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scene.screenSpaceCameraController.enableInputs = false;
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}
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}, Cesium.ScreenSpaceEventType.LEFT_DOWN);
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// Release plane on mouse up
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var upHandler = new Cesium.ScreenSpaceEventHandler(viewer.scene.canvas);
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upHandler.setInputAction(function() {
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if (Cesium.defined(selectedPlane)) {
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selectedPlane.material = Cesium.Color.WHITE.withAlpha(0.1);
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selectedPlane.outlineColor = Cesium.Color.WHITE;
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selectedPlane = undefined;
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}
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scene.screenSpaceCameraController.enableInputs = true;
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}, Cesium.ScreenSpaceEventType.LEFT_UP);
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// Update plane on mouse move
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var moveHandler = new Cesium.ScreenSpaceEventHandler(viewer.scene.canvas);
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moveHandler.setInputAction(function(movement) {
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if (Cesium.defined(selectedPlane)) {
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var deltaY = movement.startPosition.y - movement.endPosition.y;
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targetY += deltaY;
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}
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}, Cesium.ScreenSpaceEventType.MOUSE_MOVE);
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function createPlaneUpdateFunction(plane) {
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return function () {
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plane.distance = targetY;
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return plane;
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};
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}
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var tileset;
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function loadTileset(url) {
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clippingPlanes = new Cesium.ClippingPlaneCollection({
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planes : [
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new Cesium.ClippingPlane(new Cesium.Cartesian3(0.0, 0.0, -1.0), 0.0)
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],
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edgeWidth : viewModel.edgeStylingEnabled ? 1.0 : 0.0
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});
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tileset = viewer.scene.primitives.add(new Cesium.Cesium3DTileset({
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url : url,
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clippingPlanes : clippingPlanes
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}));
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tileset.debugShowBoundingVolume = viewModel.debugBoundingVolumesEnabled;
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return tileset.readyPromise.then(function() {
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var boundingSphere = tileset.boundingSphere;
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var radius = boundingSphere.radius;
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viewer.zoomTo(tileset, new Cesium.HeadingPitchRange(0.5, -0.2, radius * 4.0));
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if (!Cesium.Matrix4.equals(tileset.root.transform, Cesium.Matrix4.IDENTITY)) {
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// The clipping plane is initially positioned at the tileset's root transform.
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// Apply an additional matrix to center the clipping plane on the bounding sphere center.
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var transformCenter = Cesium.Matrix4.getTranslation(tileset.root.transform, new Cesium.Cartesian3());
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var height = Cesium.Cartesian3.distance(transformCenter, tileset.boundingSphere.center);
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clippingPlanes.modelMatrix = Cesium.Matrix4.fromTranslation(new Cesium.Cartesian3(0.0, 0.0, height));
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}
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for (var i = 0; i < clippingPlanes.length; ++i) {
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var plane = clippingPlanes.get(i);
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var planeEntity = viewer.entities.add({
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position : boundingSphere.center,
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plane : {
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dimensions : new Cesium.Cartesian2(radius * 2.5, radius * 2.5),
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material : Cesium.Color.WHITE.withAlpha(0.1),
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plane : new Cesium.CallbackProperty(createPlaneUpdateFunction(plane), false),
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outline : true,
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outlineColor : Cesium.Color.WHITE
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}
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});
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planeEntities.push(planeEntity);
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}
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return tileset;
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}).otherwise(function(error) {
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console.log(error);
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});
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}
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function loadModel(url) {
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clippingPlanes = new Cesium.ClippingPlaneCollection({
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planes : [
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new Cesium.ClippingPlane(new Cesium.Cartesian3(0.0, 0.0, -1.0), 0.0)
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],
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edgeWidth : viewModel.edgeStylingEnabled ? 1.0 : 0.0
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});
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var position = Cesium.Cartesian3.fromDegrees(-123.0744619, 44.0503706, 300.0);
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var heading = Cesium.Math.toRadians(135.0);
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var pitch = 0.0;
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var roll = 0.0;
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var hpr = new Cesium.HeadingPitchRoll(heading, pitch, roll);
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var orientation = Cesium.Transforms.headingPitchRollQuaternion(position, hpr);
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var entity = viewer.entities.add({
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name : url,
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position : position,
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orientation : orientation,
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model : {
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uri : url,
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scale : 8,
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minimumPixelSize : 100.0,
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clippingPlanes : clippingPlanes
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}
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});
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viewer.trackedEntity = entity;
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for (var i = 0; i < clippingPlanes.length; ++i) {
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var plane = clippingPlanes.get(i);
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var planeEntity = viewer.entities.add({
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position : position,
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plane : {
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dimensions : new Cesium.Cartesian2(300.0, 300.0),
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material : Cesium.Color.WHITE.withAlpha(0.1),
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plane : new Cesium.CallbackProperty(createPlaneUpdateFunction(plane), false),
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outline : true,
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outlineColor : Cesium.Color.WHITE
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}
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});
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planeEntities.push(planeEntity);
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}
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}
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// Power Plant design model provided by Bentley Systems
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var bimUrl = Cesium.IonResource.fromAssetId(8564);
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var pointCloudUrl = Cesium.IonResource.fromAssetId(16421);
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var instancedUrl = '../../SampleData/Cesium3DTiles/Instanced/InstancedOrientation/tileset.json';
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var modelUrl = '../../SampleData/models/CesiumAir/Cesium_Air.glb';
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loadTileset(bimUrl);
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// Track and create the bindings for the view model
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var toolbar = document.getElementById('toolbar');
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Cesium.knockout.track(viewModel);
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Cesium.knockout.applyBindings(viewModel, toolbar);
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Cesium.knockout.getObservable(viewModel, 'currentExampleType').subscribe(function(newValue) {
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reset();
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if (newValue === clipObjects[0]) {
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loadTileset(bimUrl);
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} else if (newValue === clipObjects[1]) {
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loadTileset(pointCloudUrl);
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} else if (newValue === clipObjects[2]) {
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loadTileset(instancedUrl);
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// Position the instanced tileset above terrain
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tileset.modelMatrix = new Cesium.Matrix4.fromTranslation(new Cesium.Cartesian3(15.0, -58.6, 50.825));
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} else {
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loadModel(modelUrl);
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}
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});
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Cesium.knockout.getObservable(viewModel, 'debugBoundingVolumesEnabled').subscribe(function(value) {
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if (Cesium.defined(tileset)) {
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tileset.debugShowBoundingVolume = value;
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}
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});
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Cesium.knockout.getObservable(viewModel, 'edgeStylingEnabled').subscribe(function(value) {
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var edgeWidth = value ? 1.0 : 0.0;
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clippingPlanes.edgeWidth = edgeWidth;
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});
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function reset() {
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viewer.entities.removeAll();
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viewer.scene.primitives.remove(tileset);
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planeEntities = [];
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targetY = 0.0;
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tileset = undefined;
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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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