mirror of
https://github.com/protomaps/PMTiles.git
synced 2026-02-04 19:01:08 +00:00
80 lines
2.7 KiB
HTML
80 lines
2.7 KiB
HTML
<html>
|
|
<head>
|
|
<title>PMTiles MapLibre Raster DEM Example</title>
|
|
<meta charset="utf-8"/>
|
|
<link rel="stylesheet" href="https://unpkg.com/maplibre-gl@4.5.0/dist/maplibre-gl.css" crossorigin="anonymous">
|
|
<script src="https://unpkg.com/maplibre-gl@4.5.0/dist/maplibre-gl.js" crossorigin="anonymous"></script>
|
|
<script src="https://unpkg.com/pmtiles@3.0.7/dist/pmtiles.js"></script>
|
|
<style>
|
|
body {
|
|
margin: 0;
|
|
}
|
|
#map {
|
|
height:100%; width:100%;
|
|
}
|
|
#overlay {
|
|
position: absolute;
|
|
top: 1rem;
|
|
left: 1rem;
|
|
font: 600 16px sans-serif;
|
|
background-color: white;
|
|
border-radius: 4px;
|
|
padding: 0.5rem;
|
|
}
|
|
</style>
|
|
</head>
|
|
<body>
|
|
<div id="map"></div>
|
|
<div id="overlay">
|
|
</div>
|
|
<script type="text/javascript">
|
|
let protocol = new pmtiles.Protocol();
|
|
maplibregl.addProtocol("pmtiles", protocol.tile);
|
|
let URL =
|
|
"https://r2-public.protomaps.com/protomaps-sample-datasets/terrarium_z9.pmtiles";
|
|
|
|
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))} ${
|
|
["Bytes", "KB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB"][d]
|
|
}`;
|
|
}
|
|
|
|
fetch(URL, { method: "HEAD" }).then((resp) => {
|
|
let length = resp.headers.get("Content-Length");
|
|
document.getElementById(
|
|
"overlay"
|
|
).innerHTML = `<a href="${URL}">${URL}</a> (${formatBytes(length)})`;
|
|
});
|
|
|
|
const map = new maplibregl.Map({
|
|
container: "map",
|
|
zoom: 0,
|
|
center: [0, 0],
|
|
style: {
|
|
version: 8,
|
|
sources: {
|
|
example_source: {
|
|
type: "raster-dem",
|
|
url: "pmtiles://" + URL,
|
|
attribution:
|
|
'<a href="https://github.com/tilezen/joerd/blob/master/docs/attribution.md">Tilezen Joerd: Attribution</a>',
|
|
encoding: "terrarium",
|
|
},
|
|
},
|
|
layers: [
|
|
{
|
|
id: "dem",
|
|
source: "example_source",
|
|
"source-layer": "landuse",
|
|
type: "hillshade",
|
|
},
|
|
],
|
|
},
|
|
});
|
|
</script>
|
|
</body>
|
|
</html>
|