275 lines
10 KiB
HTML
275 lines
10 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="Point Cloud Attenuation and Eye Dome Lighting example.">
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<meta name="cesium-sandcastle-labels" content="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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<table><tbody>
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<tr>
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<td>Maximum Screen Space Error</td>
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<td>
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<input type="range" min="0.0" max="64.0" step="0.1" data-bind="value: maximumScreenSpaceError, valueUpdate: 'input'">
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<input type="text" size="5" data-bind="value: maximumScreenSpaceError">
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</td>
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</tr>
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<tr><td class="header">Attenuation</td></tr>
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<tr>
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<td>Geometric Error Scale</td>
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<td>
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<input type="range" min="0.0" max="2.0" step="0.1" data-bind="value: geometricErrorScale, valueUpdate: 'input'">
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<input type="text" size="5" data-bind="value: geometricErrorScale">
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</td>
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</tr>
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<tr>
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<td>Maximum Attenuation</td>
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<td>
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<input type="range" min="0.0" max="32.0" step="1.0" data-bind="value: maximumAttenuation, valueUpdate: 'input'">
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<input type="text" size="5" data-bind="value: maximumAttenuation">
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</td>
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</tr>
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<tr>
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<td>Base Resolution</td>
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<td>
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<input type="range" min="0.0" max="10.0" step="0.01" data-bind="value: baseResolution, valueUpdate: 'input'">
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<input type="text" size="5" data-bind="value: baseResolution">
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</td>
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</tr>
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<tr><td class="header">Eye Dome Lighting</td></tr>
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<tr>
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<td>Eye Dome Lighting Strength</td>
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<td>
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<input type="range" min="0.0" max="10.0" step="0.1" data-bind="value: eyeDomeLightingStrength, valueUpdate: 'input'">
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<input type="text" size="5" data-bind="value: eyeDomeLightingStrength">
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</td>
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</tr>
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<tr>
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<td>Eye Dome Lighting Radius</td>
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<td>
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<input type="range" min="0.0" max="10.0" step="0.1" data-bind="value: eyeDomeLightingRadius, valueUpdate: 'input'">
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<input type="text" size="5" data-bind="value: eyeDomeLightingRadius">
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</td>
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</tr>
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</tbody></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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terrainProvider: Cesium.createWorldTerrain()
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});
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var scene = viewer.scene;
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var viewModelTileset;
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if (!Cesium.PointCloudShading.isSupported(scene)) {
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console.log('This browser does not support point cloud shading');
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}
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function reset() {
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viewer.scene.primitives.remove(viewModelTileset);
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viewModelTileset = undefined;
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}
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// The viewModel tracks the state of our mini application.
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var pointClouds = ['St. Helens', 'Church'];
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var viewModel = {
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exampleTypes : pointClouds,
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currentExampleType : pointClouds[0],
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maximumScreenSpaceError : 16.0,
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geometricErrorScale : 1.0,
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maximumAttenuation : 0, // Equivalent to undefined
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baseResolution : 0, // Equivalent to undefined
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eyeDomeLightingStrength : 1.0,
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eyeDomeLightingRadius : 1.0
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};
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function tilesetToViewModel(tileset) {
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viewModelTileset = tileset;
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var pointCloudShading = tileset.pointCloudShading;
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viewModel.maximumScreenSpaceError = tileset.maximumScreenSpaceError;
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viewModel.geometricErrorScale = pointCloudShading.geometricErrorScale;
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viewModel.maximumAttenuation = pointCloudShading.maximumAttenuation ? pointCloudShading.maximumAttenuation : 0;
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viewModel.baseResolution = pointCloudShading.baseResolution ? pointCloudShading.baseResolution : 0;
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viewModel.eyeDomeLightingStrength = pointCloudShading.eyeDomeLightingStrength;
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viewModel.eyeDomeLightingRadius = pointCloudShading.eyeDomeLightingRadius;
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}
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function loadStHelens() {
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// Set the initial camera view to look at Mt. St. Helens
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var initialPosition = Cesium.Cartesian3.fromRadians(-2.1344873183780484, 0.8071380277370774, 5743.394497982162);
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var initialOrientation = new Cesium.HeadingPitchRoll.fromDegrees(112.99596671210358, -21.34390550872461, 0.0716951918898415);
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viewer.scene.camera.setView({
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destination: initialPosition,
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orientation: initialOrientation,
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endTransform: Cesium.Matrix4.IDENTITY
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});
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// Mt. St. Helens 3D Tileset generated from LAS provided by https://www.liblas.org/samples/
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// This tileset uses replacement refinement and has geometric error approximately equal to
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// the average interpoint distance in each tile.
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var tileset = new Cesium.Cesium3DTileset({ url: Cesium.IonResource.fromAssetId(5713) });
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viewer.scene.primitives.add(tileset);
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tileset.maximumScreenSpaceError = 16.0;
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tileset.pointCloudShading.maximumAttenuation = undefined; // Will be based on maximumScreenSpaceError instead
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tileset.pointCloudShading.baseResolution = undefined;
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tileset.pointCloudShading.geometricErrorScale = 1.0;
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tileset.pointCloudShading.attenuation = true;
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tileset.pointCloudShading.eyeDomeLighting = true;
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tilesetToViewModel(tileset);
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}
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function loadChurch() {
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// Point Cloud by Prof. Peter Allen, Columbia University Robotics Lab. Scanning by Alejandro Troccoli and Matei Ciocarlie.
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// This tileset uses additive refinement and has geometric error based on the bounding box size for each tile.
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var tileset = new Cesium.Cesium3DTileset({ url: Cesium.IonResource.fromAssetId(16421) });
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viewer.scene.primitives.add(tileset);
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tileset.maximumScreenSpaceError = 16.0;
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tileset.pointCloudShading.maximumAttenuation = 4.0; // Don't allow points larger than 4 pixels.
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tileset.pointCloudShading.baseResolution = 0.05; // Assume an original capture resolution of 5 centimeters between neighboring points.
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tileset.pointCloudShading.geometricErrorScale = 0.5; // Applies to both geometric error and the base resolution.
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tileset.pointCloudShading.attenuation = true;
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tileset.pointCloudShading.eyeDomeLighting = true;
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viewer.scene.camera.setView({
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destination: new Cesium.Cartesian3(4401744.644145314, 225051.41078911052, 4595420.374784433),
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orientation: new Cesium.HeadingPitchRoll(5.646733805039757, -0.276607153839886, 6.281110875400085)
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});
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tilesetToViewModel(tileset);
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}
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function checkZero(newValue) {
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var newValueFloat = parseFloat(newValue);
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return (newValueFloat === 0.0) ? undefined : newValueFloat;
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}
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loadStHelens();
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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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Cesium.knockout.getObservable(viewModel, 'currentExampleType').subscribe(function(newValue) {
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reset();
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if (newValue === pointClouds[0]) {
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loadStHelens();
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} else if (newValue === pointClouds[1]) {
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loadChurch();
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}
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});
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Cesium.knockout.getObservable(viewModel, 'maximumScreenSpaceError').subscribe(
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function(newValue) {
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if (Cesium.defined(viewModelTileset)) {
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viewModelTileset.maximumScreenSpaceError = parseFloat(newValue);
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}
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}
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);
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Cesium.knockout.getObservable(viewModel, 'geometricErrorScale').subscribe(
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function(newValue) {
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if (Cesium.defined(viewModelTileset)) {
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viewModelTileset.pointCloudShading.geometricErrorScale = parseFloat(newValue);
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}
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}
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);
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Cesium.knockout.getObservable(viewModel, 'maximumAttenuation').subscribe(
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function(newValue) {
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if (Cesium.defined(viewModelTileset)) {
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viewModelTileset.pointCloudShading.maximumAttenuation = checkZero(newValue);
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}
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}
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);
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Cesium.knockout.getObservable(viewModel, 'baseResolution').subscribe(
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function(newValue) {
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if (Cesium.defined(viewModelTileset)) {
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viewModelTileset.pointCloudShading.baseResolution = checkZero(newValue);
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}
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}
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);
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Cesium.knockout.getObservable(viewModel, 'eyeDomeLightingStrength').subscribe(
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function(newValue) {
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if (Cesium.defined(viewModelTileset)) {
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viewModelTileset.pointCloudShading.eyeDomeLightingStrength = parseFloat(newValue);
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}
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}
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);
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Cesium.knockout.getObservable(viewModel, 'eyeDomeLightingRadius').subscribe(
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function(newValue) {
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if (Cesium.defined(viewModelTileset)) {
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viewModelTileset.pointCloudShading.eyeDomeLightingRadius = parseFloat(newValue);
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}
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}
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);
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Sandcastle.addToggleButton('Enable Attenuation', true, function(checked) {
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if (Cesium.defined(viewModelTileset)) {
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viewModelTileset.pointCloudShading.attenuation = checked;
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}
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});
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Sandcastle.addToggleButton('Enable Eye Dome Lighting', true, function(checked) {
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if (Cesium.defined(viewModelTileset)) {
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viewModelTileset.pointCloudShading.eyeDomeLighting = checked;
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}
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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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