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3D Tiles Interactivity.html
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3D Tiles Interactivity.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=Edge,chrome=1"> <!-- Use Chrome Frame in IE -->
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no">
<meta name="description" content="Interaction examples with 3D Tiles.">
<meta name="cesium-sandcastle-labels" content="3D Tiles">
<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);
#toolbar {
background: rgba(42, 42, 42, 0.8);
padding: 4px;
border-radius: 4px;
}
#toolbar .header {
font-weight: bold;
padding-top: 5px;
padding-bottom: 5px;
}
</style>
<div id="cesiumContainer" class="fullSize"></div>
<div id="loadingOverlay"><h1>Loading...</h1></div>
<div id="toolbar">
<div class="header">Right click action:</div>
<div><input type="radio" value="annotate" data-bind="checked: rightClickAction">Annotate</div>
<div><input type="radio" value="properties" data-bind="checked: rightClickAction">Print metadata</div>
<div><input type="radio" value="zoom" data-bind="checked: rightClickAction">Zoom to feature</div>
<div class="header">Middle click action:</div>
<div><input type="radio" value="hide" data-bind="checked: middleClickAction">Hide feature</div>
</div>
<script id="cesium_sandcastle_script">
function startup(Cesium) {
'use strict';
//Sandcastle_Begin
var viewer = new Cesium.Viewer('cesiumContainer');
var viewModel = {
rightClickAction: 'annotate',
middleClickAction: 'hide'
};
Cesium.knockout.track(viewModel);
var toolbar = document.getElementById('toolbar');
Cesium.knockout.applyBindings(viewModel, toolbar);
var scene = viewer.scene;
var annotations = scene.primitives.add(new Cesium.LabelCollection());
// Set the initial camera view to look at Manhattan
var initialPosition = Cesium.Cartesian3.fromDegrees(-74.01881302800248, 40.69114333714821, 753);
var initialOrientation = new Cesium.HeadingPitchRoll.fromDegrees(21.27879878293835, -21.34390550872461, 0.0716951918898415);
viewer.scene.camera.setView({
destination: initialPosition,
orientation: initialOrientation,
endTransform: Cesium.Matrix4.IDENTITY
});
// Load the NYC buildings tileset.
var tileset = scene.primitives.add(new Cesium.Cesium3DTileset({
url: 'https://beta.cesium.com/api/assets/1461?access_token=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJqdGkiOiJkYWJmM2MzNS02OWM5LTQ3OWItYjEyYS0xZmNlODM5ZDNkMTYiLCJpZCI6NDQsImFzc2V0cyI6WzE0NjFdLCJpYXQiOjE0OTkyNjQ3NDN9.vuR75SqPDKcggvUrG_vpx0Av02jdiAxnnB1fNf-9f7s'
}));
tileset.style = new Cesium.Cesium3DTileStyle({
meta: {
description: "'Building id ${id} has height ${height}.'"
}
});
var handler = new Cesium.ScreenSpaceEventHandler(viewer.canvas);
handler.setInputAction(function(movement) {
var feature = viewer.scene.pick(movement.position);
if (!Cesium.defined(feature)) {
return;
}
var action = viewModel.rightClickAction;
if (action === 'annotate') {
annotate(movement, feature);
} else if (action === 'properties') {
printProperties(movement, feature);
} else if (action === 'zoom') {
zoom(movement, feature);
}
}, Cesium.ScreenSpaceEventType.RIGHT_CLICK);
handler.setInputAction(function(movement) {
var feature = viewer.scene.pick(movement.position);
if (!Cesium.defined(feature)) {
return;
}
var action = viewModel.middleClickAction;
if (action === 'hide') {
feature.show = false;
}
}, Cesium.ScreenSpaceEventType.MIDDLE_CLICK);
function annotate(movement, feature) {
if (scene.pickPositionSupported) {
var cartesian = scene.pickPosition(movement.position);
if(Cesium.defined(cartesian)){
var cartographic = Cesium.Cartographic.fromCartesian(cartesian);
var height = cartographic.height.toFixed(2) + ' m';
annotations.add({
position : cartesian,
text : height,
showBackground : true,
font : '14px monospace',
horizontalOrigin : Cesium.HorizontalOrigin.LEFT,
verticalOrigin : Cesium.VerticalOrigin.BOTTOM,
disableDepthTestDistance : Number.POSITIVE_INFINITY
});
}
}
}
function printProperties(movement, feature) {
console.log('Properties:');
var propertyNames = feature.getPropertyNames();
var length = propertyNames.length;
for (var i = 0; i < length; ++i) {
var propertyName = propertyNames[i];
console.log(' ' + propertyName + ': ' + feature.getProperty(propertyName));
}
// Evaluate feature description
console.log('Description : ' + tileset.style.meta.description.evaluate(scene.frameState, feature));
}
function zoom(movement, feature) {
var longitude = feature.getProperty('longitude');
var latitude = feature.getProperty('latitude');
var height = feature.getProperty('height');
var positionCartographic = new Cesium.Cartographic(longitude, latitude, height * 0.5);
var position = scene.globe.ellipsoid.cartographicToCartesian(positionCartographic);
var camera = scene.camera;
var heading = camera.heading;
var pitch = camera.pitch;
var offset = offsetFromHeadingPitchRange(heading, pitch, height * 2.0);
var transform = Cesium.Transforms.eastNorthUpToFixedFrame(position);
Cesium.Matrix4.multiplyByPoint(transform, offset, position);
camera.flyTo({
destination : position,
orientation : {
heading : heading,
pitch : pitch
},
easingFunction : Cesium.EasingFunction.QUADRATIC_OUT
});
}
function offsetFromHeadingPitchRange(heading, pitch, range) {
pitch = Cesium.Math.clamp(pitch, -Cesium.Math.PI_OVER_TWO, Cesium.Math.PI_OVER_TWO);
heading = Cesium.Math.zeroToTwoPi(heading) - Cesium.Math.PI_OVER_TWO;
var pitchQuat = Cesium.Quaternion.fromAxisAngle(Cesium.Cartesian3.UNIT_Y, -pitch);
var headingQuat = Cesium.Quaternion.fromAxisAngle(Cesium.Cartesian3.UNIT_Z, -heading);
var rotQuat = Cesium.Quaternion.multiply(headingQuat, pitchQuat, headingQuat);
var rotMatrix = Cesium.Matrix3.fromQuaternion(rotQuat);
var offset = Cesium.Cartesian3.clone(Cesium.Cartesian3.UNIT_X);
Cesium.Matrix3.multiplyByVector(rotMatrix, offset, offset);
Cesium.Cartesian3.negate(offset, offset);
Cesium.Cartesian3.multiplyByScalar(offset, range, offset);
return offset;
}
//Sandcastle_End
Sandcastle.finishedLoading();
}
if (typeof Cesium !== "undefined") {
startup(Cesium);
} else if (typeof require === "function") {
require(["Cesium"], startup);
}
</script>
</body>
</html>