WMS maplibre untiled
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<!DOCTYPE html> | |
<html> | |
<head> | |
<meta charset="utf-8" /> | |
<title>Add a WMS source untiled</title> | |
<meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no" /> | |
<meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no" /> | |
<script src="https://unpkg.com/maplibre-gl@2.4.0/dist/maplibre-gl.js"></script> | |
<script src="https://unpkg.com/@mapbox/sphericalmercator@1.1.0/sphericalmercator.js"></script> | |
<link href="https://unpkg.com/maplibre-gl@2.4.0/dist/maplibre-gl.css" rel="stylesheet" /> | |
<style> | |
body { | |
margin: 0; | |
padding: 0; | |
} | |
#map { | |
position: absolute; | |
top: 0; | |
bottom: 0; | |
width: 100%; | |
} | |
</style> | |
</head> | |
<body> | |
<div id="map"></div> | |
<script> | |
function getExtentCoordinatesFromBounds(bounds) { | |
return [ | |
bounds.getNorthWest().toArray(), | |
bounds.getNorthEast().toArray(), | |
bounds.getSouthEast().toArray(), | |
bounds.getSouthWest().toArray() | |
]; | |
} | |
function wmsExtent130FromBounds(bounds) { | |
var sm = new SphericalMercator({ | |
size: 256 | |
}); | |
return [ | |
...sm.forward(bounds.getSouthWest().toArray()), | |
...sm.forward(bounds.getNorthEast().toArray()) | |
]; | |
} | |
const proxy = 'https://data.europa.eu/deu-proxy?'; | |
// const proxy = 'https://corsproxy.io/?' # Could be as an alternative | |
const urlUnproxified = 'https://ogc.geo-ide.developpement-durable.gouv.fr/wxs?map=/opt/data/carto/geoide-catalogue/1.4/org_38154/aea04585-605e-4372-abec-ade0d2380076.internet.map'; | |
const url = `${proxy}${urlUnproxified}`; | |
const couche = 'Tache_urbaine_1980_R43'; | |
var map = new maplibregl.Map({ | |
container: 'map', | |
style: { | |
"version": 8, | |
"sources": { | |
"raster-tiles": { | |
"type": "raster", | |
"tiles": ["https://tile.openstreetmap.org/{z}/{x}/{y}.png"], | |
"tileSize": 256 | |
} | |
}, | |
"layers": [{ | |
"id": "simple-tiles", | |
"type": "raster", | |
"source": "raster-tiles", | |
"minzoom": 0, | |
"maxzoom": 20 | |
}] | |
}, | |
zoom: 13, | |
center: [6.02207, 47.23109] | |
}); | |
map.on('load', function() { | |
var myCanvas = map.getCanvas(); | |
var myBounds = map.getBounds(); | |
var imageCoordinates = getExtentCoordinatesFromBounds(myBounds); | |
var imageExtent3857 = wmsExtent130FromBounds(myBounds); | |
// Width and height in WMS call are dvivided by the devicePixelRatio | |
// to avoid making calls to really large image calls WMS on retina display | |
// If your server can return really large images in WMS, you can change | |
// the behaviour from this demo | |
map.addSource('wms-test-source', { | |
'type': 'image', | |
'url': `${url}&SERVICE=WMS&VERSION=1.3.0&REQUEST=GetMap&FORMAT=image/png&TRANSPARENT=true&LAYERS=${couche}&CRS=EPSG:3857&STYLES=&FORMAT_OPTIONS=dpi:180&WIDTH=${myCanvas.width / window.devicePixelRatio}&HEIGHT=${myCanvas.height / window.devicePixelRatio}&BBOX=${imageExtent3857.join(',')}`, | |
'coordinates': imageCoordinates | |
}); | |
map.addLayer({ | |
'id': 'wms-test-layer', | |
'type': 'raster', | |
'source': 'wms-test-source', | |
'paint': {} | |
}); | |
}); | |
map.on('moveend', function() { | |
var myCanvas = map.getCanvas(); | |
var myBounds = map.getBounds(); | |
var imageCoordinates = getExtentCoordinatesFromBounds(myBounds); | |
var imageExtent3857 = wmsExtent130FromBounds(myBounds); | |
if (map.getSource('wms-test-source') && map.getLayer('wms-test-layer')) { | |
map.removeLayer('wms-test-layer'); | |
map.removeSource('wms-test-source'); | |
map.addSource('wms-test-source', { | |
'type': 'image', | |
'url': `${url}&SERVICE=WMS&VERSION=1.3.0&REQUEST=GetMap&FORMAT=image/png&TRANSPARENT=true&LAYERS=${couche}&CRS=EPSG:3857&STYLES=&FORMAT_OPTIONS=dpi:180&WIDTH=${myCanvas.width / window.devicePixelRatio}&HEIGHT=${myCanvas.height / window.devicePixelRatio}&BBOX=${imageExtent3857.join(',')}`, | |
'coordinates': imageCoordinates | |
}); | |
map.addLayer({ | |
'id': 'wms-test-layer', | |
'type': 'raster', | |
'source': 'wms-test-source', | |
'paint': {} | |
}); | |
} | |
}); | |
</script> | |
</body> | |
</html> |
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