itowns
Version:
A JS/WebGL framework for 3D geospatial data visualization
124 lines (109 loc) • 5.73 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: 3.5, latitude: 44, altitude: 1000000 };
// `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);
var optionsGeoJsonParser = {
buildExtent: true,
crsIn: 'EPSG:4326',
crsOut: view.tileLayer.extent.crs,
mergeFeatures: true,
withNormal: false,
withAltitude: false,
};
// Convert by iTowns
itowns.Fetcher.json('https://raw.githubusercontent.com/gregoiredavid/france-geojson/master/departements/09-ariege/departement-09-ariege.geojson')
.then(function _(geojson) {
return itowns.GeoJsonParser.parse(geojson, optionsGeoJsonParser);
}).then(function _(parsedData) {
var ariegeSource = new itowns.FileSource({
parsedData,
});
var ariegeLayer = new itowns.ColorLayer('ariege', {
name: 'ariege',
transparent: true,
style: {
fill: {
color: 'orange',
opacity: 0.5,
},
stroke: {
color:'white',
},
},
source: ariegeSource,
});
return view.addLayer(ariegeLayer);
}).then(FeatureToolTip.addLayer);
itowns.Fetcher.json('https://raw.githubusercontent.com/gregoiredavid/france-geojson/master/departements/66-pyrenees-orientales/departement-66-pyrenees-orientales.geojson')
.then(function _(geojson) {
return itowns.GeoJsonParser.parse(geojson, optionsGeoJsonParser);
}).then(function _(parsedData) {
var pyoSource = new itowns.FileSource({
parsedData,
});
return itowns.Fetcher.texture('images/cross.png').then(texture => {
var pyoLayer = new itowns.ColorLayer('pyrenees-orientales', {
name: 'pyrenees-orientales',
transparent: true,
style: {
fill: {
pattern: texture.image,
opacity: 0.8,
},
stroke: {
color:'IndianRed',
},
},
source: pyoSource,
});
return view.addLayer(pyoLayer);
}).then(FeatureToolTip.addLayer);
});
debug.createTileDebugUI(menuGlobe.gui, view);
</script>
</body>
</html>