itowns
Version:
A JS/WebGL framework for 3D geospatial data visualization
77 lines (66 loc) • 3.43 kB
HTML
<html>
<head>
<title>Itowns - Globe + Multipolygon Geojson</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" class="viewer"></div>
<script src="js/GUI/GuiTools.js"></script>
<script src="../dist/itowns.js"></script>
<script src="../dist/debug.js"></script>
<script type="text/javascript">
// Define initial camera position
var placement = {
coord: new itowns.Coordinates('EPSG:4326', 3.05, 48.95),
range: 70000,
}
// `viewerDiv` will contain iTowns' rendering area (`<canvas>`)
var viewerDiv = document.getElementById('viewerDiv');
// Instanciate iTowns GlobeView*
var view = new itowns.GlobeView(viewerDiv, placement);
var menuGlobe = new GuiTools('menuDiv', view);
// Add one imagery layer to the scene
// This layer is defined in a json file but it could be defined as a plain js
// object. See Layer* for more info.
itowns.Fetcher.json('./layers/JSONLayers/Ortho.json').then(function _(config) {
config.source = new itowns.WMTSSource(config.source);
var layer = new itowns.ColorLayer('Ortho', config);
view.addLayer(layer).then(menuGlobe.addLayerGUI.bind(menuGlobe));
});
// Add two elevation layers.
// These will deform iTowns globe geometry to represent terrain elevation.
function addElevationLayerFromConfig(config) {
config.source = new itowns.WMTSSource(config.source);
var layer = new itowns.ElevationLayer(config.id, config);
view.addLayer(layer).then(menuGlobe.addLayerGUI.bind(menuGlobe));
}
itowns.Fetcher.json('./layers/JSONLayers/IGN_MNT_HIGHRES.json').then(addElevationLayerFromConfig);
itowns.Fetcher.json('./layers/JSONLayers/WORLD_DTM.json').then(addElevationLayerFromConfig);
// Add a geometry layer, which will contain the multipolygon to display
var marne = new itowns.FeatureGeometryLayer('Marne', {
// Use a FileSource to load a single file once
source: new itowns.FileSource({
url: 'https://raw.githubusercontent.com/iTowns/iTowns2-sample-data/master/multipolygon.geojson',
crs: 'EPSG:4326',
format: 'application/json',
}),
opacity: 0.7,
zoom: { min: 10 },
style: {
fill: {
color: new itowns.THREE.Color(0xbbffbb),
extrusion_height: 80,
}
}
});
view.addLayer(marne).then(function menu(layer) {
var gui = debug.GeometryDebug.createGeometryDebugUI(menuGlobe.gui, view, layer);
debug.GeometryDebug.addWireFrameCheckbox(gui, view, layer);
});
</script>
</body>
</html>