itowns
Version:
A JS/WebGL framework for 3D geospatial data visualization
116 lines (98 loc) • 4.5 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",
"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';
// # Simple Globe viewer
/* global itowns, setupLoadingScreen, GuiTools, ToolTip */
// Define initial camera position
var placement = {
coord: new itowns.Coordinates('EPSG:4326', 0.089, 42.8989),
range: 30000,
tilt: 20,
heading: -70,
}
// `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);
// 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);
const gpxSource = new itowns.FileSource({
url: 'https://raw.githubusercontent.com/iTowns/iTowns2-sample-data/master/ULTRA2009.gpx',
crs: 'EPSG:4326',
format: 'application/gpx',
});
const gpxStyle = {
zoom: { min: 9 },
stroke: { color: 'red' },
point: {
color: 'white',
line: 'red',
},
text: {
field: '{name}',
transform: 'uppercase',
font: ['Arial', 'sans-serif'],
haloColor: 'white',
haloWidth: 1,
},
};
const gpxLayer = new itowns.ColorLayer('Gpx', {
source: gpxSource,
style: gpxStyle,
addLabelLayer: true,
});
view.addLayer(gpxLayer);
debug.createTileDebugUI(menuGlobe.gui, view);
window.view = view;
window.itowns = itowns;
window.THREE = THREE;
</script>
</body>
</html>