ol-ext/examples/map/map.layer.3D.1.html
2024-06-26 16:24:06 +02:00

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<DOCTYPE html>
<html>
<head>
<!--
Copyright (c) 2015-2019 Jean-Marc VIGLINO,
released under CeCILL-B (french BSD like) licence: http://www.cecill.info/
-->
<title>Layer 3D</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="description" content="2.5D/3D buildings on an OL3 map" />
<meta name="keywords" content="ol3, layer, vector, 3D, buildings, animation" />
<!-- jQuery -->
<script type="text/javascript" src="https://code.jquery.com/jquery-1.11.0.min.js"></script>
<!-- Openlayers -->
<link rel="stylesheet" href="https://openlayers.org/en/v6.15.1/css/ol.css" />
<script type="text/javascript" src="https://openlayers.org/en/v6.15.1/build/ol.js"></script>
<!-- ol-ext -->
<link rel="stylesheet" href="../../dist/ol-ext.css" />
<script type="text/javascript" src="../../dist/ol-ext.js"></script>
<!-- Pointer events polyfill for old browsers, see https://caniuse.com/#feat=pointer -->
<script src="https://unpkg.com/elm-pep"></script>
<link rel="stylesheet" href="../style.css" />
<style>
#map {
position:fixed;
top: 4em;
left: 0;
right:0;
bottom:0;
margin:0;
}
.info {
position: fixed;
right: 0.5em;
top: 4em;
width: 300px;
z-index: 1;
}
.loading {
background: #fff;
border: 2px solid #369;
left: 50%;
margin: -2em -100px;
padding: 0.5em;
position: fixed;
text-align: center;
top: 50%;
width: 200px;
z-index: 1;
box-sizing: border-box;
box-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}
</style>
</head>
<body >
<a href="https://github.com/Viglino/ol-ext" class="icss-github-corner"><i></i></a>
<a href="../../index.html">
<h1>Layer 3D</h1>
</a>
<div class="info">
This example add a setRenderer3D function to vector layers that do the job in a postcompose loop.
<br />
Buildings from <a href="http://professionnels.ign.fr/bdtopo">BDTopo &copy; IGN-France</a>.
<br />
POI informations from <a href="https://www.wikipedia.org/">WikiPedia</a>
<br/>
<button onclick="doAnime();">Animate!</button>
</div>
<!-- DIV pour la carte -->
<div id="map"></div>
<div class="loading">Please wait while loading data...</div>
<script type="text/javascript">
// The map
var map = new ol.Map ({
target: 'map',
view: new ol.View ({
zoom: 13,
center: [260841, 6250141]
}),
interactions: ol.interaction.defaults(),
layers: [ new ol.layer.Tile({ name:"OSM", source: new ol.source.OSM() })]
});
// Create layer
var vectorSource = new ol.source.Vector({
url: '../data/dvf-75-2017-100m.geojson',
// projection: 'EPSG:3857',
format: new ol.format.GeoJSON(),
attributions: [ "&copy; <a href='https://cadastre.data.gouv.fr/dvf'>DGFiP</a>" ]
});
var vector = new ol.layer.Vector({
source: vectorSource,
maxResolution: 40
});
map.addLayer(vector);
// Set 3D renderer
var r3D = new ol.render3D({
layer: vector,
style: new ol.style.Style({
stroke: new ol.style.Stroke({ width: 3, color: [255,0,0] }),
geometry: function (f) { return f.get('geom'); }
}),
height: function(f) { return f.get('nb')*20; },
maxResolution: 40,
defaultHeight: 0
});
var listenerKey = vectorSource.on('change', function(e) {
if (vectorSource.getState() == 'ready') {
ol.Observable.unByKey(listenerKey)
$(".loading").hide();
vectorSource.getFeatures().forEach(function(f) {
f.set('geom', f.getGeometry().getInteriorPoint());
})
}
});
var height = 1;
function doAnime() {
if (r3D.animating()) return;
height = height ? 0 : function(f) { return f.get('nb')*20; };
r3D.animate({ height:height });
}
</script>
</body>
</html>