mirror of
https://github.com/protomaps/PMTiles.git
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69 lines
2.6 KiB
HTML
69 lines
2.6 KiB
HTML
<html>
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<head>
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<title>PMTiles MapLibre Raster DEM Example</title>
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<meta charset="utf-8"/>
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<link rel="stylesheet" href="https://unpkg.com/maplibre-gl@3.3.1/dist/maplibre-gl.css" crossorigin="anonymous">
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<script src="https://unpkg.com/maplibre-gl@3.3.1/dist/maplibre-gl.js" crossorigin="anonymous"></script>
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<script src="https://unpkg.com/pmtiles@2.11.0/dist/index.js"></script>
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<style>
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body {
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margin: 0;
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}
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#map {
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height:100%; width:100%;
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}
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#overlay {
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position: absolute;
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top: 1rem;
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left: 1rem;
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font: 600 16px sans-serif;
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background-color: white;
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border-radius: 4px;
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padding: 0.5rem;
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}
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</style>
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</head>
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<body>
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<div id="map"></div>
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<div id="overlay">
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</div>
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<script type="text/javascript">
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let protocol = new pmtiles.Protocol();
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maplibregl.addProtocol("pmtiles",protocol.tile);
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let URL = "https://r2-public.protomaps.com/protomaps-sample-datasets/terrarium_z9.pmtiles";
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function formatBytes(a,b=2){if(!+a)return"0 Bytes";const c=0>b?0:b,d=Math.floor(Math.log(a)/Math.log(1024));return`${parseFloat((a/Math.pow(1024,d)).toFixed(c))} ${["Bytes","KB","MB","GB","TB","PB","EB","ZB","YB"][d]}`}
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fetch(URL, {method:"HEAD"}).then(resp => {
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let length = resp.headers.get("Content-Length");
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document.getElementById("overlay").innerHTML = `<a href="${URL}">${URL}</a> (${formatBytes(length)})`;
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})
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const map = new maplibregl.Map({
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container: 'map',
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zoom: 0,
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center: [0,0],
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style: {
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version:8,
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sources: {
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"example_source": {
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type: "raster-dem",
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url: "pmtiles://" + URL,
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attribution: '<a href="https://github.com/tilezen/joerd/blob/master/docs/attribution.md">Tilezen Joerd: Attribution</a>',
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encoding:"terrarium"
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}
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},
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layers: [
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{
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"id":"dem",
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"source": "example_source",
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"source-layer":"landuse",
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"type": "hillshade"
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}
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]
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}
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})
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</script>
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</body>
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</html>
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