<!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="Use localFrameToFixedFrameGenerator for adequate rotation."
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/>
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<meta name="cesium-sandcastle-labels" content="Tutorials" />
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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
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class="sandcastle-loading"
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data-sandcastle-bucket="bucket-requirejs.html"
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>
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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">
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<h1>Loading...</h1>
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</div>
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<div id="toolbar">
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<table class="infoPanel">
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<tbody>
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<tr>
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<td>
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Click on the 3D window then use the keyboard to change settings.
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</td>
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</tr>
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<tr>
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<td>Heading: <span id="heading"></span>°</td>
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</tr>
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<tr>
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<td>← to left/→ to right</td>
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</tr>
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<tr>
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<td>Pitch: <span id="pitch"></span>°</td>
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</tr>
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<tr>
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<td>↑ to up/↓ to down</td>
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</tr>
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<tr>
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<td>roll: <span id="roll"></span>°</td>
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</tr>
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<tr>
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<td>← + ⇧ left/→ + ⇧ right</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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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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var canvas = viewer.canvas;
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canvas.setAttribute("tabindex", "0"); // needed to put focus on the canvas
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canvas.addEventListener("click", function () {
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canvas.focus();
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});
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canvas.focus();
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var scene = viewer.scene;
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var camera = viewer.camera;
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var controller = scene.screenSpaceCameraController;
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var r = 0;
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var center = new Cesium.Cartesian3();
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var hpRoll = new Cesium.HeadingPitchRoll();
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var hpRange = new Cesium.HeadingPitchRange();
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var deltaRadians = Cesium.Math.toRadians(1.0);
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var localFrames = [
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{
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pos: Cesium.Cartesian3.fromDegrees(-123.075, 44.045, 5000.0),
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converter: Cesium.Transforms.eastNorthUpToFixedFrame,
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comments: "Classical East North Up\nlocal Frame",
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},
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{
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pos: Cesium.Cartesian3.fromDegrees(-123.075, 44.05, 5500.0),
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converter: Cesium.Transforms.localFrameToFixedFrameGenerator(
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"north",
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"west"
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),
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comments: "North West Up\nlocal Frame",
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},
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{
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pos: Cesium.Cartesian3.fromDegrees(-123.075, 44.04, 4500.0),
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converter: Cesium.Transforms.localFrameToFixedFrameGenerator(
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"south",
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"up"
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),
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comments: "South Up West\nlocal Frame",
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},
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{
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pos: Cesium.Cartesian3.fromDegrees(-123.075, 44.05, 4500.0),
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converter: Cesium.Transforms.localFrameToFixedFrameGenerator(
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"up",
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"east"
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),
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comments: "Up East North\nlocal Frame",
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},
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{
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pos: Cesium.Cartesian3.fromDegrees(-123.075, 44.04, 5500.0),
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converter: Cesium.Transforms.localFrameToFixedFrameGenerator(
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"down",
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"east"
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),
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comments: "Down East South\nlocal Frame",
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},
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];
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var primitives = [];
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var hprRollZero = new Cesium.HeadingPitchRoll();
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for (var i = 0; i < localFrames.length; i++) {
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var position = localFrames[i].pos;
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var converter = localFrames[i].converter;
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var comments = localFrames[i].comments;
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var planePrimitive = scene.primitives.add(
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Cesium.Model.fromGltf({
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url: "../../SampleData/models/CesiumAir/Cesium_Air.glb",
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modelMatrix: Cesium.Transforms.headingPitchRollToFixedFrame(
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position,
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hpRoll,
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Cesium.Ellipsoid.WGS84,
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converter
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),
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minimumPixelSize: 128,
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})
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);
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primitives.push({
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primitive: planePrimitive,
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converter: converter,
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position: position,
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});
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var modelMatrix = Cesium.Transforms.headingPitchRollToFixedFrame(
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position,
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hprRollZero,
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Cesium.Ellipsoid.WGS84,
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converter
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);
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scene.primitives.add(
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new Cesium.DebugModelMatrixPrimitive({
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modelMatrix: modelMatrix,
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length: 300.0,
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width: 10.0,
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})
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);
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var positionLabel = position.clone();
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positionLabel.z = position.z + 300.0;
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viewer.entities.add({
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position: positionLabel,
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label: {
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text: comments,
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font: "18px Helvetica",
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fillColor: Cesium.Color.WHITE,
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outlineColor: Cesium.Color.BLACK,
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outlineWidth: 2,
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style: Cesium.LabelStyle.FILL_AND_OUTLINE,
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verticalOrigin: Cesium.VerticalOrigin.CENTER,
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HorizontalOrigin: Cesium.HorizontalOrigin.RIGHT,
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},
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});
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}
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primitives[0].primitive.readyPromise.then(function (model) {
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// Play and loop all animations at half-speed
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model.activeAnimations.addAll({
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multiplier: 0.5,
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loop: Cesium.ModelAnimationLoop.REPEAT,
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});
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// Zoom to model
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r = 2.0 * Math.max(model.boundingSphere.radius, camera.frustum.near);
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controller.minimumZoomDistance = r * 0.5;
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Cesium.Matrix4.multiplyByPoint(
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model.modelMatrix,
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model.boundingSphere.center,
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center
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);
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var heading = Cesium.Math.toRadians(90.0);
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var pitch = Cesium.Math.toRadians(0.0);
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hpRange.heading = heading;
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hpRange.pitch = pitch;
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hpRange.range = r * 100.0;
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camera.lookAt(center, hpRange);
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});
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document.addEventListener("keydown", function (e) {
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switch (e.keyCode) {
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case 40:
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// pitch down
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hpRoll.pitch -= deltaRadians;
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if (hpRoll.pitch < -Cesium.Math.TWO_PI) {
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hpRoll.pitch += Cesium.Math.TWO_PI;
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}
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break;
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case 38:
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// pitch up
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hpRoll.pitch += deltaRadians;
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if (hpRoll.pitch > Cesium.Math.TWO_PI) {
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hpRoll.pitch -= Cesium.Math.TWO_PI;
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}
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break;
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case 39:
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if (e.shiftKey) {
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// roll right
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hpRoll.roll += deltaRadians;
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if (hpRoll.roll > Cesium.Math.TWO_PI) {
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hpRoll.roll -= Cesium.Math.TWO_PI;
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}
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} else {
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// turn right
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hpRoll.heading += deltaRadians;
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if (hpRoll.heading > Cesium.Math.TWO_PI) {
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hpRoll.heading -= Cesium.Math.TWO_PI;
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}
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}
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break;
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case 37:
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if (e.shiftKey) {
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// roll left until
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hpRoll.roll -= deltaRadians;
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if (hpRoll.roll < 0.0) {
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hpRoll.roll += Cesium.Math.TWO_PI;
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}
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} else {
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// turn left
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hpRoll.heading -= deltaRadians;
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if (hpRoll.heading < 0.0) {
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hpRoll.heading += Cesium.Math.TWO_PI;
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}
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}
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break;
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default:
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}
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});
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var headingSpan = document.getElementById("heading");
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var pitchSpan = document.getElementById("pitch");
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var rollSpan = document.getElementById("roll");
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viewer.scene.preUpdate.addEventListener(function (scene, time) {
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for (var i = 0; i < primitives.length; i++) {
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var primitive = primitives[i].primitive;
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var converter = primitives[i].converter;
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var position = primitives[i].position;
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Cesium.Transforms.headingPitchRollToFixedFrame(
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position,
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hpRoll,
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Cesium.Ellipsoid.WGS84,
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converter,
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primitive.modelMatrix
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);
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}
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});
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viewer.scene.preRender.addEventListener(function (scene, time) {
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headingSpan.innerHTML = Cesium.Math.toDegrees(hpRoll.heading).toFixed(
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1
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);
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pitchSpan.innerHTML = Cesium.Math.toDegrees(hpRoll.pitch).toFixed(1);
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rollSpan.innerHTML = Cesium.Math.toDegrees(hpRoll.roll).toFixed(1);
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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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window.startupCalled = true;
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startup(Cesium);
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}
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</script>
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</body>
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</html>
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