cesium-examples/map/3d/static/Cesium/Apps/Sandcastle/gallery/LocalToFixedFrame.html

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HTML

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no">
<meta name="description" content="Use localFrameToFixedFrameGenerator for adequate rotation.">
<meta name="cesium-sandcastle-labels" content="Tutorials">
<title>Cesium Demo</title>
<script type="text/javascript" src="../Sandcastle-header.js"></script>
<script type="text/javascript" src="../../../ThirdParty/requirejs-2.1.20/require.js"></script>
<script type="text/javascript">
require.config({
baseUrl : '../../../Source',
waitSeconds : 60
});
</script>
</head>
<body class="sandcastle-loading" data-sandcastle-bucket="bucket-requirejs.html">
<style>
@import url(../templates/bucket.css);
</style>
<div id="cesiumContainer" class="fullSize"></div>
<div id="loadingOverlay">
<h1>Loading...</h1>
</div>
<div id="toolbar">
<table class="infoPanel">
<tbody>
<tr>
<td>Click on the 3D window then use the keyboard to change settings.</td>
</tr>
<tr>
<td>Heading: <span id="heading"></span>°</td>
</tr>
<tr>
<td>← to left/→ to right</td>
</tr>
<tr>
<td>Pitch: <span id="pitch"></span>°</td>
</tr>
<tr>
<td>↑ to up/↓ to down</td>
</tr>
<tr>
<td>roll: <span id="roll"></span>°</td>
</tr>
<tr>
<td>← + ⇧ left/→ + ⇧ right</td>
</tr>
</tbody>
</table>
</div>
<script id="cesium_sandcastle_script">
function startup(Cesium) {
'use strict';
//Sandcastle_Begin
var viewer = new Cesium.Viewer('cesiumContainer');
var canvas = viewer.canvas;
canvas.setAttribute('tabindex', '0'); // needed to put focus on the canvas
canvas.addEventListener('click', function() {
canvas.focus();
});
canvas.focus();
var scene = viewer.scene;
var camera = viewer.camera;
var controller = scene.screenSpaceCameraController;
var r = 0;
var center = new Cesium.Cartesian3();
var hpRoll = new Cesium.HeadingPitchRoll();
var hpRange = new Cesium.HeadingPitchRange();
var deltaRadians = Cesium.Math.toRadians(1.0);
var localFrames = [
{
pos : Cesium.Cartesian3.fromDegrees(-123.075, 44.045000, 5000.0),
converter : Cesium.Transforms.eastNorthUpToFixedFrame,
comments : 'Classical East North Up\nlocal Frame'
},
{
pos : Cesium.Cartesian3.fromDegrees(-123.075, 44.050000, 5500.0),
converter : Cesium.Transforms.localFrameToFixedFrameGenerator('north', 'west'),
comments : 'North West Up\nlocal Frame'
},
{
pos : Cesium.Cartesian3.fromDegrees(-123.075, 44.040000, 4500.0),
converter : Cesium.Transforms.localFrameToFixedFrameGenerator('south', 'up'),
comments : 'South Up West\nlocal Frame'
},
{
pos : Cesium.Cartesian3.fromDegrees(-123.075, 44.050000, 4500.0),
converter : Cesium.Transforms.localFrameToFixedFrameGenerator('up', 'east'),
comments : 'Up East North\nlocal Frame'
},
{
pos : Cesium.Cartesian3.fromDegrees(-123.075, 44.040000, 5500.0),
converter : Cesium.Transforms.localFrameToFixedFrameGenerator('down', 'east'),
comments : 'Down East South\nlocal Frame'
}
];
var primitives = [];
var hprRollZero = new Cesium.HeadingPitchRoll();
for (var i = 0; i < localFrames.length; i++) {
var position = localFrames[i].pos;
var converter = localFrames[i].converter;
var comments = localFrames[i].comments;
var planePrimitive = scene.primitives.add(Cesium.Model.fromGltf({
url : '../../SampleData/models/CesiumAir/Cesium_Air.glb',
modelMatrix : Cesium.Transforms.headingPitchRollToFixedFrame(position, hpRoll, Cesium.Ellipsoid.WGS84, converter),
minimumPixelSize : 128
}));
primitives.push({primitive : planePrimitive, converter : converter, position : position});
var modelMatrix = Cesium.Transforms.headingPitchRollToFixedFrame(position, hprRollZero, Cesium.Ellipsoid.WGS84, converter);
scene.primitives.add(new Cesium.DebugModelMatrixPrimitive({
modelMatrix : modelMatrix,
length : 300.0,
width : 10.0
}));
var positionLabel = position.clone();
positionLabel.z = position.z + 300.0;
viewer.entities.add({
position : positionLabel,
label : {
text : comments,
font : '18px Helvetica',
fillColor : Cesium.Color.WHITE,
outlineColor : Cesium.Color.BLACK,
outlineWidth : 2,
style : Cesium.LabelStyle.FILL_AND_OUTLINE,
verticalOrigin : Cesium.VerticalOrigin.CENTER,
HorizontalOrigin : Cesium.HorizontalOrigin.RIGHT
}
});
}
primitives[0].primitive.readyPromise.then(function(model) {
// Play and loop all animations at half-speed
model.activeAnimations.addAll({
multiplier : 0.5,
loop : Cesium.ModelAnimationLoop.REPEAT
});
// Zoom to model
r = 2.0 * Math.max(model.boundingSphere.radius, camera.frustum.near);
controller.minimumZoomDistance = r * 0.5;
Cesium.Matrix4.multiplyByPoint(model.modelMatrix, model.boundingSphere.center, center);
var heading = Cesium.Math.toRadians(90.0);
var pitch = Cesium.Math.toRadians(0.0);
hpRange.heading = heading;
hpRange.pitch = pitch;
hpRange.range = r * 100.0;
camera.lookAt(center, hpRange);
});
document.addEventListener('keydown', function(e) {
switch (e.keyCode) {
case 40:
// pitch down
hpRoll.pitch -= deltaRadians;
if (hpRoll.pitch < -Cesium.Math.TWO_PI) {
hpRoll.pitch += Cesium.Math.TWO_PI;
}
break;
case 38:
// pitch up
hpRoll.pitch += deltaRadians;
if (hpRoll.pitch > Cesium.Math.TWO_PI) {
hpRoll.pitch -= Cesium.Math.TWO_PI;
}
break;
case 39:
if (e.shiftKey) {
// roll right
hpRoll.roll += deltaRadians;
if (hpRoll.roll > Cesium.Math.TWO_PI) {
hpRoll.roll -= Cesium.Math.TWO_PI;
}
} else {
// turn right
hpRoll.heading += deltaRadians;
if (hpRoll.heading > Cesium.Math.TWO_PI) {
hpRoll.heading -= Cesium.Math.TWO_PI;
}
}
break;
case 37:
if (e.shiftKey) {
// roll left until
hpRoll.roll -= deltaRadians;
if (hpRoll.roll < 0.0) {
hpRoll.roll += Cesium.Math.TWO_PI;
}
} else {
// turn left
hpRoll.heading -= deltaRadians;
if (hpRoll.heading < 0.0) {
hpRoll.heading += Cesium.Math.TWO_PI;
}
}
break;
default:
}
});
var headingSpan = document.getElementById('heading');
var pitchSpan = document.getElementById('pitch');
var rollSpan = document.getElementById('roll');
viewer.scene.preUpdate.addEventListener(function(scene, time) {
for (var i = 0; i < primitives.length; i++) {
var primitive = primitives[i].primitive;
var converter = primitives[i].converter;
var position = primitives[i].position;
Cesium.Transforms.headingPitchRollToFixedFrame(position, hpRoll, Cesium.Ellipsoid.WGS84, converter, primitive.modelMatrix);
}
});
viewer.scene.preRender.addEventListener(function(scene, time) {
headingSpan.innerHTML = Cesium.Math.toDegrees(hpRoll.heading).toFixed(1);
pitchSpan.innerHTML = Cesium.Math.toDegrees(hpRoll.pitch).toFixed(1);
rollSpan.innerHTML = Cesium.Math.toDegrees(hpRoll.roll).toFixed(1);
});
//Sandcastle_End
Sandcastle.finishedLoading();
}
if (typeof Cesium !== 'undefined') {
startup(Cesium);
} else if (typeof require === 'function') {
require(['Cesium'], startup);
}
</script>
</body>
</html>