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Threebox.html
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Threebox.html
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<!DOCTYPE html>
<html lang="en">
<head>
<title>Threebox custom WebGL layer - Azure Maps Web SDK Samples</title>
<meta charset="utf-8" />
<link rel="shortcut icon" href="/favicon.ico" />
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no" />
<meta name="description" content="This sample shows how to create a custom 3D layer with Threebox." />
<meta name="keywords" content="3D, Microsoft maps, map, gis, API, SDK, thematic, choropleth, heatmap, heat map, animation, animate, animations, county, population, data-driven, data driven styling, temporal, temporal analysis" />
<meta name="author" content="Microsoft Azure Maps" /><meta name="version" content="1.0" />
<meta name="screenshot" content="screenshot.gif" />
<!-- Add references to the Azure Maps Map control JavaScript and CSS files. -->
<link href="https://atlas.microsoft.com/sdk/javascript/mapcontrol/3/atlas.min.css" rel="stylesheet" />
<script src="https://atlas.microsoft.com/sdk/javascript/mapcontrol/3/atlas.min.js"></script>
<!-- Use Threebox https://github.com/jscastro76/threebox to render the 3D models. -->
<link href="/lib/threebox-plugin/dist/threebox.css" rel="stylesheet" />
<script src="/lib/threebox-plugin/dist/threebox.min.js"></script>
<link href="/3d-layer/threebox/sample.css" rel="stylesheet" />
<script>
let map;
function getMap() {
map = new atlas.Map("map", {
center: [-118.30778, 35.02242],
zoom: 14.7,
pitch: 60,
bearing: 130.8,
style: 'satellite_road_labels',
// Add authentication details for connecting to Azure Maps.
authOptions: {
// Use Microsoft Entra ID authentication.
authType: 'anonymous',
clientId: 'e6b6ab59-eb5d-4d25-aa57-581135b927f0', // Your Azure Maps client id for accessing your Azure Maps account.
getToken: function (resolve, reject, map) {
// URL to your authentication service that retrieves an Microsoft Entra ID Token.
var tokenServiceUrl = 'https://samples.azuremaps.com/api/GetAzureMapsToken';
fetch(tokenServiceUrl).then(r => r.text()).then(token => resolve(token));
}
// Use an Azure Maps key. Get an Azure Maps key at https://azuremaps.com/. NOTE: The primary key should be used as the key.
//authType: 'subscriptionKey',
//subscriptionKey: '[YOUR_AZURE_MAPS_KEY]'
}
});
// Wait until the map resources are ready
map.events.add("ready", function () {
// Add controls
map.controls.add(
[
new atlas.control.ZoomControl(),
new atlas.control.PitchControl(),
new atlas.control.CompassControl(),
new atlas.control.StyleControl({
mapStyles: ["road", "grayscale_light", "grayscale_dark", "satellite", "satellite_road_labels"]
})
],
{
position: "top-right"
}
);
});
// Attach an event to capture when the map is moved
map.events.add('moveend', function () {
updateStatus();
});
updateStatus();
let intMap = map.map;
// Override the map version for compatibility with Threebox.
Object.defineProperty(intMap, "version", {
get: function () { return "1.14"; },
});
window.tb = new Threebox(
intMap,
intMap.getCanvas().getContext('webgl'),
{
defaultLights: true,
enableSelectingObjects: false, //change this to false to disable 3D objects selection
enableDraggingObjects: false, //change this to false to disable 3D objects drag & move once selected
enableRotatingObjects: false, //change this to false to disable 3D objects rotation once selected
enableTooltips: false // change this to false to disable default tooltips on fill-extrusion and 3D models
}
);
map.events.add("style.load", function (e) {
animate();
intMap.addLayer({
id: 'custom_layer',
type: 'custom',
renderingMode: '3d',
onAdd: function (map, context) {
initMesh();
animate();
},
render: function (gl, matrix) {
tb.update();
}
});
});
}
let geometry = false;
let meshes = [];
var api = {
count: 212,
animation: true
};
// Creative Commons License attribution: Windmill animated model by https://sketchfab.com/data3anshow
// from https://sketchfab.com/3d-models/windmill-animated-6ce5667e8d5c47068ea13196036efd52
var model = { obj: '/3d-layer/threebox/windmill_a/windmill_a.gltf', type: 'gltf', scale: 0.015 };
function initMesh() {
let diff = api.count - tb.world.children.length;
if (diff == 0) return;
if (tb.world.children.length > api.count) {
for (let j = tb.world.children.length - 1; j >= api.count; j--) {
var obj = tb.world.children[j];
tb.remove(obj);
}
map.repaint = true;
} else {
var options = {
obj: model.obj,
type: model.type,
scale: model.scale,
units: 'meters',
rotation: { x: 90, y: 90, z: 0 },
anchor: 'center',
cloned: true
}
if (!processing) makeNaive(options, diff);
}
}
let processing = false;
function makeNaive(options, diff) {
// Create a data source and add it to the map.
var dsWindmills = new atlas.source.DataSource();
map.sources.add(dsWindmills);
// Load some point data into the data source.
dsWindmills.importDataFromUrl('/3d-layer/threebox/windmill_locs.json').then(() => {
processing = true;
let j = 0;
for (var i = 0; i < diff; i++) {
tb.loadObj(options, function (model) {
j++;
if (!geometry) {
model.traverse(function (object) {
if (object.isMesh) meshes.push(object.geometry);
});
geometry = true;
}
let lng = dsWindmills.getShapeById(j).getCoordinates()[0];
let lat = dsWindmills.getShapeById(j).getCoordinates()[1];
let obj = model.setCoords([lng, lat, 0]);
tb.add(obj);
if (api.animation) {
// play default animation, for 5 min. = 300 seconds
let opt = { animation: 0, duration: 300000 };
obj.playDefault(opt);
}
if (j == diff) {
processing = false;
}
})
}
map.repaint = true;
});
}
function animate() {
requestAnimationFrame(animate);
}
function updateStatus() {
var camera = map.getCamera();
var zoom = camera.zoom;
var cp = camera.center;
var pitch = camera.pitch;
var bearing = camera.bearing;
document.getElementById("status").innerHTML = "Zoom: " + zoom.toFixed(1) + " / Lon: " + cp[0].toFixed(5) + " / Lat: " + cp[1].toFixed(5) + " / Pitch: " + pitch.toFixed(1) + " / Bearing: " + bearing.toFixed(1);
}
</script>
</head>
<body onload="getMap()">
<div id="map"></div>
<div id="status"></div>
<fieldset id="description" >
<legend>Threebox custom WebGL layer</legend>
This sample shows how to load 212 windmills using <a href="https://github.com/jscastro76/threebox">Threebox</a> as a WebGL layer within the Azure Maps Web SDK.
Threebox is a fork from Three.js.
</fieldset>
</body>
</html>