mirror of https://github.com/CesiumGS/cesium.git
362 lines
13 KiB
HTML
362 lines
13 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="Point Cloud Attenuation and Eye Dome Lighting example."
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/>
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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
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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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#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>
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<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
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type="range"
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min="0.0"
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max="64.0"
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step="0.1"
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data-bind="value: maximumScreenSpaceError, valueUpdate: 'input'"
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/>
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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>
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<td class="header">Attenuation</td>
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</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
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type="range"
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min="0.0"
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max="2.0"
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step="0.1"
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data-bind="value: geometricErrorScale, valueUpdate: 'input'"
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/>
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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
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type="range"
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min="0.0"
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max="32.0"
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step="1.0"
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data-bind="value: maximumAttenuation, valueUpdate: 'input'"
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/>
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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
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type="range"
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min="0.0"
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max="10.0"
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step="0.01"
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data-bind="value: baseResolution, valueUpdate: 'input'"
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/>
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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>
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<td class="header">Eye Dome Lighting</td>
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</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
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type="range"
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min="0.0"
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max="10.0"
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step="0.1"
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data-bind="value: eyeDomeLightingStrength, valueUpdate: 'input'"
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/>
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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
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type="range"
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min="0.0"
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max="10.0"
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step="0.1"
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data-bind="value: eyeDomeLightingRadius, valueUpdate: 'input'"
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/>
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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>
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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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const viewer = new Cesium.Viewer("cesiumContainer", {
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terrain: Cesium.Terrain.fromWorldTerrain(),
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});
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const scene = viewer.scene;
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let viewModelTileset;
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if (!Cesium.PointCloudShading.isSupported(scene)) {
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window.alert("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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const pointClouds = ["St. Helens", "Church"];
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const 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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const 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
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? pointCloudShading.maximumAttenuation
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: 0;
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viewModel.baseResolution = pointCloudShading.baseResolution
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? pointCloudShading.baseResolution
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: 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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async function loadStHelens() {
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try {
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// Set the initial camera view to look at Mt. St. Helens
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const initialPosition = Cesium.Cartesian3.fromRadians(
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-2.1344873183780484,
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0.8071380277370774,
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5743.394497982162,
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);
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const initialOrientation = new Cesium.HeadingPitchRoll.fromDegrees(
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112.99596671210358,
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-21.34390550872461,
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0.0716951918898415,
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);
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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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const tileset = await Cesium.Cesium3DTileset.fromIonAssetId(5713);
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if (viewModel.currentExampleType !== pointClouds[0]) {
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// Scenario has changes. Discards the result.
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return;
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}
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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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} catch (error) {
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console.log(`Error loading tileset: ${error}`);
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}
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}
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async function loadChurch() {
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try {
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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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const tileset = await Cesium.Cesium3DTileset.fromIonAssetId(16421);
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if (viewModel.currentExampleType !== pointClouds[1]) {
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// Scenario has changes. Discards the result.
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return;
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}
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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(
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4401744.644145314,
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225051.41078911052,
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4595420.374784433,
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),
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orientation: new Cesium.HeadingPitchRoll(
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5.646733805039757,
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-0.276607153839886,
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6.281110875400085,
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),
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});
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tilesetToViewModel(tileset);
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} catch (error) {
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console.log(`Error loading tileset: ${error}`);
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}
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}
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function checkZero(newValue) {
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const 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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const toolbar = document.getElementById("toolbar");
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Cesium.knockout.applyBindings(viewModel, toolbar);
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Cesium.knockout
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.getObservable(viewModel, "currentExampleType")
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.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
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.getObservable(viewModel, "maximumScreenSpaceError")
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.subscribe(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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Cesium.knockout
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.getObservable(viewModel, "geometricErrorScale")
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.subscribe(function (newValue) {
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if (Cesium.defined(viewModelTileset)) {
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viewModelTileset.pointCloudShading.geometricErrorScale =
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parseFloat(newValue);
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}
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});
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Cesium.knockout
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.getObservable(viewModel, "maximumAttenuation")
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.subscribe(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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Cesium.knockout
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.getObservable(viewModel, "baseResolution")
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.subscribe(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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Cesium.knockout
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.getObservable(viewModel, "eyeDomeLightingStrength")
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.subscribe(function (newValue) {
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if (Cesium.defined(viewModelTileset)) {
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viewModelTileset.pointCloudShading.eyeDomeLightingStrength =
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parseFloat(newValue);
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}
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});
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Cesium.knockout
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.getObservable(viewModel, "eyeDomeLightingRadius")
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.subscribe(function (newValue) {
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if (Cesium.defined(viewModelTileset)) {
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viewModelTileset.pointCloudShading.eyeDomeLightingRadius =
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parseFloat(newValue);
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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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};
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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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