174 lines
5.9 KiB
HTML
174 lines
5.9 KiB
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="Construct new data points within the range of a discrete set of known data points.">
|
|
<meta name="cesium-sandcastle-labels" content="Showcases">
|
|
<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">
|
|
<div id="interpolationMenu"></div>
|
|
</div>
|
|
<script id="cesium_sandcastle_script">
|
|
function startup(Cesium) {
|
|
'use strict';
|
|
//Sandcastle_Begin
|
|
var viewer = new Cesium.Viewer('cesiumContainer', {
|
|
infoBox: false, //Disable InfoBox widget
|
|
selectionIndicator: false, //Disable selection indicator
|
|
shouldAnimate: true, // Enable animations
|
|
terrainProvider: Cesium.createWorldTerrain()
|
|
});
|
|
|
|
//Enable lighting based on sun/moon positions
|
|
viewer.scene.globe.enableLighting = true;
|
|
|
|
//Enable depth testing so things behind the terrain disappear.
|
|
viewer.scene.globe.depthTestAgainstTerrain = true;
|
|
|
|
//Set the random number seed for consistent results.
|
|
Cesium.Math.setRandomNumberSeed(3);
|
|
|
|
//Set bounds of our simulation time
|
|
var start = Cesium.JulianDate.fromDate(new Date(2015, 2, 25, 16));
|
|
var stop = Cesium.JulianDate.addSeconds(start, 360, new Cesium.JulianDate());
|
|
|
|
//Make sure viewer is at the desired time.
|
|
viewer.clock.startTime = start.clone();
|
|
viewer.clock.stopTime = stop.clone();
|
|
viewer.clock.currentTime = start.clone();
|
|
viewer.clock.clockRange = Cesium.ClockRange.LOOP_STOP; //Loop at the end
|
|
viewer.clock.multiplier = 10;
|
|
|
|
//Set timeline to simulation bounds
|
|
viewer.timeline.zoomTo(start, stop);
|
|
|
|
//Generate a random circular pattern with varying heights.
|
|
function computeCirclularFlight(lon, lat, radius) {
|
|
var property = new Cesium.SampledPositionProperty();
|
|
for (var i = 0; i <= 360; i += 45) {
|
|
var radians = Cesium.Math.toRadians(i);
|
|
var time = Cesium.JulianDate.addSeconds(start, i, new Cesium.JulianDate());
|
|
var position = Cesium.Cartesian3.fromDegrees(lon + (radius * 1.5 * Math.cos(radians)), lat + (radius * Math.sin(radians)), Cesium.Math.nextRandomNumber() * 500 + 1750);
|
|
property.addSample(time, position);
|
|
|
|
//Also create a point for each sample we generate.
|
|
viewer.entities.add({
|
|
position : position,
|
|
point : {
|
|
pixelSize : 8,
|
|
color : Cesium.Color.TRANSPARENT,
|
|
outlineColor : Cesium.Color.YELLOW,
|
|
outlineWidth : 3
|
|
}
|
|
});
|
|
}
|
|
return property;
|
|
}
|
|
|
|
//Compute the entity position property.
|
|
var position = computeCirclularFlight(-112.110693, 36.0994841, 0.03);
|
|
|
|
//Actually create the entity
|
|
var entity = viewer.entities.add({
|
|
|
|
//Set the entity availability to the same interval as the simulation time.
|
|
availability : new Cesium.TimeIntervalCollection([new Cesium.TimeInterval({
|
|
start : start,
|
|
stop : stop
|
|
})]),
|
|
|
|
//Use our computed positions
|
|
position : position,
|
|
|
|
//Automatically compute orientation based on position movement.
|
|
orientation : new Cesium.VelocityOrientationProperty(position),
|
|
|
|
//Load the Cesium plane model to represent the entity
|
|
model : {
|
|
uri : '../../SampleData/models/CesiumAir/Cesium_Air.gltf',
|
|
minimumPixelSize : 64
|
|
},
|
|
|
|
//Show the path as a pink line sampled in 1 second increments.
|
|
path : {
|
|
resolution : 1,
|
|
material : new Cesium.PolylineGlowMaterialProperty({
|
|
glowPower : 0.1,
|
|
color : Cesium.Color.YELLOW
|
|
}),
|
|
width : 10
|
|
}
|
|
});
|
|
|
|
//Add button to view the path from the top down
|
|
Sandcastle.addDefaultToolbarButton('View Top Down', function() {
|
|
viewer.trackedEntity = undefined;
|
|
viewer.zoomTo(viewer.entities, new Cesium.HeadingPitchRange(0, Cesium.Math.toRadians(-90)));
|
|
});
|
|
|
|
//Add button to view the path from the side
|
|
Sandcastle.addToolbarButton('View Side', function() {
|
|
viewer.trackedEntity = undefined;
|
|
viewer.zoomTo(viewer.entities, new Cesium.HeadingPitchRange(Cesium.Math.toRadians(-90), Cesium.Math.toRadians(-15), 7500));
|
|
});
|
|
|
|
//Add button to track the entity as it moves
|
|
Sandcastle.addToolbarButton('View Aircraft', function() {
|
|
viewer.trackedEntity = entity;
|
|
});
|
|
|
|
//Add a combo box for selecting each interpolation mode.
|
|
Sandcastle.addToolbarMenu([{
|
|
text : 'Interpolation: Linear Approximation',
|
|
onselect : function() {
|
|
entity.position.setInterpolationOptions({
|
|
interpolationDegree : 1,
|
|
interpolationAlgorithm : Cesium.LinearApproximation
|
|
});
|
|
}
|
|
}, {
|
|
text : 'Interpolation: Lagrange Polynomial Approximation',
|
|
onselect : function() {
|
|
entity.position.setInterpolationOptions({
|
|
interpolationDegree : 5,
|
|
interpolationAlgorithm : Cesium.LagrangePolynomialApproximation
|
|
});
|
|
}
|
|
}, {
|
|
text : 'Interpolation: Hermite Polynomial Approximation',
|
|
onselect : function() {
|
|
entity.position.setInterpolationOptions({
|
|
interpolationDegree : 2,
|
|
interpolationAlgorithm : Cesium.HermitePolynomialApproximation
|
|
});
|
|
}
|
|
}], 'interpolationMenu');
|
|
//Sandcastle_End
|
|
Sandcastle.finishedLoading();
|
|
}
|
|
if (typeof Cesium !== 'undefined') {
|
|
startup(Cesium);
|
|
} else if (typeof require === 'function') {
|
|
require(['Cesium'], startup);
|
|
}
|
|
</script>
|
|
</body>
|
|
</html>
|