itowns
Version:
A JS/WebGL framework for 3D geospatial data visualization
179 lines (159 loc) • 7.32 kB
HTML
<html>
<head>
<title>Itowns - Compare 3D and 2.5D</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>
<style type="text/css">
html {
height: 100%;
}
body {
margin: 0;
overflow:hidden;
height:100%;
}
#viewerDiv {
position: absolute;
left: 0%;
width: 50%;
height: 100%;
}
#planarDiv {
position: absolute;
left: 50%;
width: 50%;
height: 100%;
}
#menuDiv {
position: absolute;
left: 10px;
top: 0px;
z-index: 0;
}
#menuDiv, .ac {
-moz-user-select: none;
-webkit-user-select: none;
-ms-user-select: none;
user-select: none;
z-index: 2 ; /* TODO Solve this in HTML, Problem from copy from main.css examples THREE */
}
</style>
<meta charset="UTF-8">
<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>
<div id="planarDiv"></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';
// Define crs projection that we will use (taken from https://epsg.io/3946, Proj4js section)
itowns.CRS.defs('EPSG:3946', '+proj=lcc +lat_1=45.25 +lat_2=46.75 +lat_0=46 +lon_0=3 +x_0=1700000 +y_0=5200000 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs');
/* global itowns, document, GuiTools, Promise */
var placement = {
coord: new itowns.Coordinates('EPSG:4326', 4.838, 45.756),
range: 1000,
}
var extent = new itowns.Extent(
'EPSG:3946',
1837816.94334, 1847692.32501,
5170036.4587, 5178412.82698);
// `viewerDiv` will contain iTowns' rendering area (`<canvas>`)
var viewerDiv = document.getElementById('viewerDiv');
var planarDiv = document.getElementById('planarDiv');
// Instanciate iTowns GlobeView*
var view = new itowns.GlobeView(viewerDiv, placement);
var planarView = new itowns.PlanarView(planarDiv, extent, { placement });
var promises = [];
var menuGlobe = new GuiTools('menuDiv', view);
var overGlobe = true;
viewerDiv.addEventListener('mousemove', function _() {
overGlobe = true;
}, false);
planarDiv.addEventListener('mousemove', function _() {
overGlobe = false;
}, false);
promises.push(itowns.Fetcher.json('./layers/JSONLayers/Ortho.json').then(function _(config) {
config.source = new itowns.WMTSSource(config.source);
var layer = new itowns.ColorLayer(config.id, config);
view.addLayer(layer);
}));
// Listen for globe full initialisation event
view
.addEventListener(itowns.GLOBE_VIEW_EVENTS.GLOBE_INITIALIZED,
function globeInitialized() {
// eslint-disable-next-line no-console
console.info('Globe initialized');
Promise.all(promises).then(function init() {
var planarCamera = planarView.camera3D;
var globeCamera = view.camera3D;
var params;
menuGlobe.addImageryLayersGUI(view.getLayers(function filterColor(l) { return l.isColorLayer; }));
menuGlobe.addElevationLayersGUI(view.getLayers(function filterElevation(l) { return l.isElevationLayer; }));
function sync() {
if (overGlobe) {
params = itowns.CameraUtils
.getTransformCameraLookingAtTarget(
view, globeCamera);
itowns.CameraUtils
.transformCameraToLookAtTarget(
planarView, planarCamera, params);
} else {
params = itowns.CameraUtils
.getTransformCameraLookingAtTarget(
planarView, planarCamera);
itowns.CameraUtils
.transformCameraToLookAtTarget(
view, globeCamera, params);
}
}
sync();
view
.addFrameRequester(itowns
.MAIN_LOOP_EVENTS.AFTER_CAMERA_UPDATE, sync);
planarView
.addFrameRequester(itowns
.MAIN_LOOP_EVENTS.AFTER_CAMERA_UPDATE, sync);
}).catch(console.error);
});
var wmsImagerySource = new itowns.WMSSource({
extent: extent,
name: 'ortho_latest',
url: 'https://imagerie.data.grandlyon.com/wms/grandlyon',
version: '1.3.0',
crs: 'EPSG:3946',
format: 'image/jpeg',
});
var wmsImageryLayer = new itowns.ColorLayer('wms_imagery', {
updateStrategy: {
type: itowns.STRATEGY_DICHOTOMY,
options: {},
},
source: wmsImagerySource,
});
planarView.addLayer(wmsImageryLayer);
var d = new debug.Debug(view, menuGlobe.gui);
debug.createTileDebugUI(menuGlobe.gui, view, view.tileLayer, d);
window.view = view;
window.itowns = itowns;
window.THREE = THREE;
</script>
</body>
</html>