itowns
Version:
A JS/WebGL framework for 3D geospatial data visualization
92 lines (75 loc) • 3.68 kB
HTML
<html>
<head>
<title>Itowns - Globe + vector-tiles</title>
<meta charset="UTF-8">
<link rel="stylesheet" type="text/css" href="css/example.css">
<link rel="stylesheet" type="text/css" href="css/LoadingScreen.css">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<script src="https://cdnjs.cloudflare.com/ajax/libs/dat-gui/0.7.6/dat.gui.min.js"></script>
</head>
<body>
<div id="viewerDiv"></div>
<div id="debug" width="400" height="300"></div>
<script src="js/GUI/GuiTools.js"></script>
<script src="../dist/itowns.js"></script>
<script src="js/GUI/LoadingScreen.js"></script>
<script src="../dist/debug.js"></script>
<script>
// # Simple Globe viewer + a vector tile layer
// Define initial camera position
var positionOnGlobe = { longitude: 2.475, latitude: 48.807, altitude: 12000000 };
var promises = [];
// `viewerDiv` will contain iTowns' rendering area (`<canvas>`)
var viewerDiv = document.getElementById('viewerDiv');
// Instanciate iTowns GlobeView*
var view = new itowns.GlobeView(viewerDiv, positionOnGlobe);
// define pole texture
view.tileLayer.noTextureColor = new itowns.THREE.Color(0x95c1e1);
view.getLayerById('atmosphere').visible = false;
view.getLayerById('atmosphere').fog.enable = false;
setupLoadingScreen(viewerDiv, view);
promises.push(itowns.Fetcher.json('./layers/JSONLayers/Ortho.json').then(function _(config) {
config.source = new itowns.WMTSSource(config.source);
var layer = new itowns.ColorLayer('Ortho', config);
return view.addLayer(layer);
}));
// Add a vector tile layer
function inter(z) {
return z - (z % 5);
}
function isValidData(data, extentDestination) {
const isValid = inter(extentDestination.zoom) == inter(data.extent.zoom);
return isValid;
}
var mvtSource = new itowns.VectorTilesSource({
style: 'https://raw.githubusercontent.com/Oslandia/postile-openmaptiles/master/style.json',
// eslint-disable-next-line no-template-curly-in-string
url: 'https://osm.oslandia.io/data/v3/${z}/${x}/${y}.pbf',
attribution: {
name: 'OpenStreetMap',
url: 'http://www.openstreetmap.org/',
},
filter: function (layer) { return ['fill', 'line'].includes(layer.type) },
zoom: {
min: 2,
max: 16,
},
});
var mvtLayer = new itowns.ColorLayer('MVT', {
isValidData: isValidData,
source: mvtSource,
fx: 2.5,
});
view.addLayer(mvtLayer);
var menuGlobe = new GuiTools('menuDiv', view, 300);
// Listen for globe full initialisation event
view.addEventListener(itowns.GLOBE_VIEW_EVENTS.GLOBE_INITIALIZED, function () {
Promise.all(promises).then(function () {
menuGlobe.addImageryLayersGUI(view.getLayers(function (l) { return l.isColorLayer; }));
itowns.ColorLayersOrdering.moveLayerToIndex(view, 'Ortho', 0);
}).catch(console.error);
});
debug.createTileDebugUI(menuGlobe.gui, view);
</script>
</body>
</html>