165 lines
5.2 KiB
HTML
165 lines
5.2 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="An example for how to use the HeightReference property on different geometry entities.">
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<meta name="cesium-sandcastle-labels" content="Geometries">
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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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var cesiumTerrainProvider = Cesium.createWorldTerrain();
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var ellipsoidTerrainProvider = new Cesium.EllipsoidTerrainProvider();
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var viewer = new Cesium.Viewer('cesiumContainer', {
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baseLayerPicker : false,
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terrainProvider : cesiumTerrainProvider
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});
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// depth test against terrain is required to make the polygons clamp to terrain
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// instead of showing through it from underground
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viewer.scene.globe.depthTestAgainstTerrain = true;
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Sandcastle.addToolbarMenu([{
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text : 'Polygons',
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onselect : function() {
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viewer.entities.removeAll();
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addPolygons();
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}
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}, {
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text : 'Boxes, Cylinders and Ellipsoids',
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onselect : function() {
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viewer.entities.removeAll();
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addGeometries();
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}
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}]);
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Sandcastle.addToolbarMenu([{
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text : 'Terrain Enabled',
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onselect : function() {
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viewer.scene.terrainProvider = cesiumTerrainProvider;
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}
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}, {
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text : 'Terrain Disabled',
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onselect : function() {
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viewer.scene.terrainProvider = ellipsoidTerrainProvider;
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}
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}]);
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var longitude = 6.950615989890521;
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var latitude = 45.79546589994886;
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var delta = 0.001;
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function addGeometry(i, j) {
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var west = longitude + delta * i;
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var north = latitude + delta * j + delta;
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var type = Math.floor(Math.random() * 3);
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if (type === 0) {
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viewer.entities.add({
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position: Cesium.Cartesian3.fromDegrees(west, north, 0.0),
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box : {
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dimensions : new Cesium.Cartesian3(40.0, 30.0, 50.0),
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material : Cesium.Color.fromRandom({alpha : 1.0}),
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heightReference: Cesium.HeightReference.CLAMP_TO_GROUND
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}
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});
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} else if (type === 1) {
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viewer.entities.add({
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position: Cesium.Cartesian3.fromDegrees(west, north, 0.0),
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cylinder : {
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length :50.0,
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topRadius : 20.0,
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bottomRadius : 20.0,
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material : Cesium.Color.fromRandom({alpha : 1.0}),
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heightReference: Cesium.HeightReference.CLAMP_TO_GROUND
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}
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});
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} else {
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viewer.entities.add({
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position: Cesium.Cartesian3.fromDegrees(west, north, 0.0),
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ellipsoid : {
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radii : new Cesium.Cartesian3(20.0, 15.0, 25.0),
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material : Cesium.Color.fromRandom({alpha : 1.0}),
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heightReference: Cesium.HeightReference.CLAMP_TO_GROUND
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}
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});
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}
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}
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function addGeometries(){
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for (var i = 0; i < 4; i++) {
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for (var j = 0; j < 4; j++) {
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addGeometry(i, j);
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}
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}
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viewer.zoomTo(viewer.entities);
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}
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function addPolygon(i, j) {
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var west = longitude + delta * i;
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var east = longitude + delta * i + delta;
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var south = latitude + delta * j;
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var north = latitude + delta * j + delta;
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var a = Cesium.Cartesian3.fromDegrees(west, south);
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var b = Cesium.Cartesian3.fromDegrees(west, north);
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var c = Cesium.Cartesian3.fromDegrees(east, north);
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var d = Cesium.Cartesian3.fromDegrees(east, south);
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var positions = [a, b, c, d];
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viewer.entities.add({
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polygon : {
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hierarchy : positions,
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material : Cesium.Color.fromRandom({alpha : 1}),
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height : 40.0,
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heightReference : Cesium.HeightReference.RELATIVE_TO_GROUND,
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extrudedHeight : 0.0,
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extrudedHeightReference : Cesium.HeightReference.CLAMP_TO_GROUND
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}
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});
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}
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function addPolygons() {
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// create 16 polygons that are side-by-side
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for (var i = 0; i < 4; i++) {
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for (var j = 0; j < 4; j++) {
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addPolygon(i, j);
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}
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}
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viewer.camera.lookAt(Cesium.Cartesian3.fromDegrees(longitude, latitude, 1500), new Cesium.HeadingPitchRange(-Cesium.Math.PI/2, -Cesium.Math.PI_OVER_FOUR, 2000));
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viewer.camera.lookAtTransform(Cesium.Matrix4.IDENTITY);
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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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