itowns
Version:
A JS/WebGL framework for 3D geospatial data visualization
87 lines (76 loc) • 3.98 kB
HTML
<html>
<head>
<title>Itowns - Globe + color layers from vector data</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 src="js/GUI/LoadingScreen.js"></script>
<script src="js/plugins/FeatureToolTip.js"></script>
<script type="text/javascript">
// # Simple Globe viewer
/* global itowns, setupLoadingScreen, GuiTools, ToolTip */
// Define initial camera position
var positionOnGlobe = { longitude: 0.089, latitude: 42.8989, altitude: 80000 };
// `viewerDiv` will contain iTowns' rendering area (`<canvas>`)
var viewerDiv = document.getElementById('viewerDiv');
// Instanciate iTowns GlobeView*
var view = new itowns.GlobeView(viewerDiv, positionOnGlobe);
var menuGlobe = new GuiTools('menuDiv', view);
setupLoadingScreen(viewerDiv, view);
FeatureToolTip.init(viewerDiv, 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(function _() {
menuGlobe.addLayerGUI.bind(menuGlobe);
itowns.ColorLayersOrdering.moveLayerToIndex(view, 'Ortho', 0);
});
});
// 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/WORLD_DTM.json').then(addElevationLayerFromConfig);
itowns.Fetcher.json('./layers/JSONLayers/IGN_MNT_HIGHRES.json').then(addElevationLayerFromConfig);
// Parse and Convert by iTowns
itowns.Fetcher.xml('https://raw.githubusercontent.com/iTowns/iTowns2-sample-data/master/ULTRA2009.gpx')
.then(function _(gpx) {
var gpxSource = new itowns.FileSource({
fetchedData: gpx,
projection: 'EPSG:4326',
parser: itowns.GpxParser.parse,
});
var gpxLayer = new itowns.ColorLayer('Gpx', {
name: 'Ultra 2009',
transparent: true,
source: gpxSource,
style: {
stroke: {
color: 'red',
},
point: {
color: 'white',
line: 'red',
}
},
});
return view.addLayer(gpxLayer);
}).then(FeatureToolTip.addLayer);
debug.createTileDebugUI(menuGlobe.gui, view);
</script>
</body>
</html>