itowns
Version:
A JS/WebGL framework for 3D geospatial data visualization
110 lines (90 loc) • 4.37 kB
HTML
<html>
<head>
<title>Itowns - Entwine 3D loader</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">
<style type="text/css">
#description {
z-index: 2;
left: 10px;
}
</style>
<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="description">Specify the URL of a Entwine Point Tree to load:
<input type="text" id="ept_url" />
<button onclick="readEPTURL()">Load</button>
<p>If your dataset is not displaying at the right location,
check that it has been converted in <code>EPSG:4978</code>.</p>
<div id="share"></div>
</div>
<div id="viewerDiv">
</div>
<script src="../dist/itowns.js"></script>
<script src="js/GUI/LoadingScreen.js"></script>
<script src="../dist/debug.js"></script>
<script type="text/javascript">
var debugGui = new dat.GUI();
var viewerDiv = document.getElementById('viewerDiv');
var view = new itowns.GlobeView(viewerDiv);
// Add one imagery layer to the scene and the miniView
// 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);
});
// 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);
}
itowns.Fetcher.json('./layers/JSONLayers/IGN_MNT_HIGHRES.json').then(addElevationLayerFromConfig);
itowns.Fetcher.json('./layers/JSONLayers/WORLD_DTM.json').then(addElevationLayerFromConfig);
var eptLayer, eptSource;
function onLayerReady() {
var lookAt = new itowns.THREE.Vector3();
eptLayer.root.bbox.getCenter(lookAt);
var coordLookAt = new itowns.Coordinates(view.referenceCrs, lookAt);
var size = new itowns.THREE.Vector3();
eptLayer.root.bbox.getSize(size);
view.controls.lookAtCoordinate({
coord: coordLookAt,
range: 2 * size.length(),
}, false);
}
function readEPTURL() {
var url = document.getElementById('ept_url').value || new URL(location.href).searchParams.get('ept');
if (url) {
loadEPT(url);
document.getElementById('share').innerHTML = '<a href="' +
location.href.replace(location.search, '?ept=' + url) +
'" target="_blank">Link to share this view</a>';
document.getElementById('ept_url').value = url;
}
}
function loadEPT(url) {
eptSource = new itowns.EntwinePointTileSource({ url });
if (eptLayer) {
debugGui.removeFolder(eptLayer.debugUI);
view.removeLayer('Entwine Point Tile');
view.notifyChange();
eptLayer.delete();
}
eptLayer = new itowns.EntwinePointTileLayer('Entwine Point Tile', {
source: eptSource,
crs: view.referenceCrs,
});
itowns.View.prototype.addLayer.call(view, eptLayer).then(onLayerReady);
debug.PointCloudDebug.initTools(view, eptLayer, debugGui);
}
readEPTURL();
</script>
</body>
</html>