itowns
Version:
A JS/WebGL framework for 3D geospatial data visualization
111 lines (100 loc) • 4.96 kB
HTML
<html>
<head>
<title>Itowns - Globe WFS color</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>
<script src="js/GUI/GuiTools.js"></script>
<script src="../dist/itowns.js"></script>
<script src="js/GUI/LoadingScreen.js"></script>
<script src="js/plugins/FeatureToolTip.js"></script>
<script src="../dist/debug.js"></script>
<script type="text/javascript">
/* global itowns,document,GuiTools, window, debug, setupLoadingScreen */
// Define initial camera position
var positionOnGlobe = { longitude: 4.818, latitude: 45.7354, altitude: 3000 };
// `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);
var d = new debug.Debug(view, menuGlobe.gui);
setupLoadingScreen(viewerDiv, view);
FeatureToolTip.init(viewerDiv, view, { filterAll: false });
// 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/WORLD_DTM.json').then(addElevationLayerFromConfig);
itowns.Fetcher.json('./layers/JSONLayers/IGN_MNT_HIGHRES.json').then(addElevationLayerFromConfig);
function isValidData(data) {
return data.features[0].geometry.length < 1000;
}
var wfsBuildingSource = new itowns.WFSSource({
url: 'https://wxs.ign.fr/3ht7xcw6f7nciopo16etuqp2/geoportail/wfs?',
version: '2.0.0',
typeName: 'BDTOPO_BDD_WLD_WGS84G:bati_remarquable,BDTOPO_BDD_WLD_WGS84G:bati_indifferencie,BDTOPO_BDD_WLD_WGS84G:bati_industriel',
zoom: { max: 20, min: 13 },
projection: 'EPSG:4326',
extent: {
west: 4.568,
east: 5.18,
south: 45.437,
north: 46.03,
},
ipr: 'IGN',
format: 'application/json',
});
var wfsBuildingLayer = new itowns.ColorLayer('wfsBuilding', {
transparent: true,
style: {
fill: {
color: 'red',
opacity: 0.5
},
stroke: {
color: 'white',
width: 2.0,
},
},
isValidData: isValidData,
source: wfsBuildingSource,
});
view.addLayer(wfsBuildingLayer);
FeatureToolTip.addLayer(wfsBuildingLayer, {
filterGeometries: function _(features, layer) {
var idList = [];
return features.filter(function _(f) {
if (!idList.includes(f.geometry.properties.id)) {
idList.push(f.geometry.properties.id);
return f;
}
});
}
});
// Listen for globe full initialisation event
view.addEventListener(itowns.GLOBE_VIEW_EVENTS.GLOBE_INITIALIZED, function () {
// eslint-disable-next-line no-console
console.info('Globe initialized');
itowns.ColorLayersOrdering.moveLayerToIndex(view, 'Ortho', 0);
});
debug.createTileDebugUI(menuGlobe.gui, view, view.tileLayer, d);
</script>
</body>
</html>