itowns
Version:
A JS/WebGL framework for 3D geospatial data visualization
114 lines (98 loc) • 4.66 kB
HTML
<html>
<head>
<title>Itowns - Globe + color layers from vector data</title>
<script type="importmap">
{
"imports": {
"itowns": "../dist/itowns.js",
"debug": "../dist/debug.js",
"dat": "https://unpkg.com/dat.gui@0.7.9/build/dat.gui.module.js",
"GuiTools": "./jsm/GUI/GuiTools.js",
"LoadingScreen": "./jsm/GUI/LoadingScreen.js",
"itowns_widgets": "../dist/itowns_widgets.js",
"FeatureToolTip": "./jsm/plugins/FeatureToolTip.js",
"three": "https://unpkg.com/three@0.170.0/build/three.module.js",
"three/addons/": "https://unpkg.com/three@0.170.0/examples/jsm/"
}
}
</script>
<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">
</head>
<body>
<div id="viewerDiv" class="viewer"></div>
<script type="module">
import GuiTools from 'GuiTools';
import setupLoadingScreen from 'LoadingScreen';
import * as THREE from 'three';
import * as itowns from 'itowns';
import * as debug from 'debug';
import * as itowns_widgets from 'itowns_widgets';
import FeatureToolTip from 'FeatureToolTip';
// # Simple Globe viewer
/* global itowns, setupLoadingScreen, GuiTools, ToolTip */
// Define initial camera position
var placement = {
coord: new itowns.Coordinates('EPSG:4326', 6.8, 45.9),
range: 50000,
}
// `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);
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/IGN_MNT_HIGHRES.json').then(addElevationLayerFromConfig);
itowns.Fetcher.json('./layers/JSONLayers/WORLD_DTM.json').then(addElevationLayerFromConfig);
// Fetch, Parse and Convert by iTowns
var kmlSource = new itowns.FileSource({
url: 'https://raw.githubusercontent.com/iTowns/iTowns2-sample-data/master/croquis.kml',
crs: 'EPSG:4326',
format: 'application/kml',
});
var kmlStyle = {
zoom: { min: 10, max: 20 },
text: {
field: '{name}',
haloColor: 'white',
haloWidth: 1,
transform: 'uppercase',
},
icon: {
anchor: 'bottom',
},
};
var kmlLayer = new itowns.ColorLayer('Kml', {
source: kmlSource,
style: kmlStyle,
addLabelLayer: { forceClampToTerrain: true },
});
debug.createTileDebugUI(menuGlobe.gui, view);
view.addLayer(kmlLayer).then(FeatureToolTip.addLayer);
window.view = view;
window.itowns = itowns;
window.THREE = THREE;
</script>
</body>
</html>