itowns
Version:
A JS/WebGL framework for 3D geospatial data visualization
148 lines (133 loc) • 6.18 kB
HTML
<html>
<head>
<title>Itowns - Globe WFS color</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",
"FeatureToolTip": "./jsm/plugins/FeatureToolTip.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"></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';
/* global itowns,document,GuiTools, window, debug, setupLoadingScreen */
// Define initial camera position
var placement = {
coord: new itowns.Coordinates('EPSG:4326', 4.818, 45.7354),
range: 3000,
}
// `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);
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/IGN_MNT_HIGHRES.json').then(addElevationLayerFromConfig);
itowns.Fetcher.json('./layers/JSONLayers/WORLD_DTM.json').then(addElevationLayerFromConfig);
var wfsBuildingSource = new itowns.WFSSource({
url: 'https://data.geopf.fr/wfs/ows?',
version: '2.0.0',
typeName: 'BDTOPO_V3:batiment',
crs: 'EPSG:4326',
extent: {
west: 4.568,
east: 5.18,
south: 45.437,
north: 46.03,
},
ipr: 'IGN',
format: 'application/json',
});
function colorBuildings(properties) {
if (properties.usage_1 === 'Résidentiel') {
return '#FDFDFF';
} else if (properties.usage_1 === 'Annexe') {
return '#C6C5B9';
} else if (properties.usage_1 === 'Commercial et services') {
return '#62929E';
} else if (properties.usage_1 === 'Religieux') {
return '#393D3F';
} else if (properties.usage_1 === 'Sportif') {
return '#546A7B';
} else {
return '#555555';
}
}
var wfsBuildingLayer = new itowns.ColorLayer('wfsBuilding', {
transparent: true,
style: {
fill: {
color: colorBuildings,
opacity: 0.7
},
stroke: {
color: colorBuildings,
width: 2.0,
},
},
source: wfsBuildingSource,
zoom: { max: 20, min: 13 },
});
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);
window.view = view;
window.itowns = itowns;
window.THREE = THREE;
</script>
</body>
</html>