mirrors/PMTiles
1
0
Fork 0
mirror of https://github.com/protomaps/PMTiles.git synced 2026-02-04 10:51:07 +00:00
Code Issues Packages Projects Releases Wiki Activity

Option to load metadata in MapLibre adapter [#247] (#461)

Browse Source 
* Option to load metadata in MapLibre adapter [#247]

* pass metadata: true to new Protocol() to make an extra request and populate attribution + vector_layers
* js 3.2.0 [#247]
* simplify examples
* update leaflet and maplibre versions
* add maplibre_headers.html example for custom headers [#397]
This commit is contained in:
Brandon Liu
2024-09-22 19:04:50 +08:00
committed by GitHub
parent c7db819b2e
commit 3472fd89f9
8 changed files with 183 additions and 99 deletions
Download Patch File Download Diff File Expand all files Collapse all files

123
js/examples/maplibre.html
View File

@@ -2,9 +2,9 @@
<head>
<title>PMTiles MapLibre 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@3.1.0/dist/pmtiles.js"></script>
<link rel="stylesheet" href="https://unpkg.com/maplibre-gl@4.7.0/dist/maplibre-gl.css" crossorigin="anonymous">
<script src="https://unpkg.com/maplibre-gl@4.7.0/dist/maplibre-gl.js" crossorigin="anonymous"></script>
<script src="https://unpkg.com/pmtiles@3.2.0/dist/pmtiles.js"></script>
<style>
body {
margin: 0;
@@ -18,78 +18,67 @@
<div id="map"></div>
<script type="text/javascript">
// add the PMTiles plugin to the maplibregl global.
let protocol = new pmtiles.Protocol();
// setting metadata = true fills out the "attribution" field of the source, and is required for some inspector applications,
// but requires an additional blocking HTTP request before loading the map.
let protocol = new pmtiles.Protocol({metadata: true});
maplibregl.addProtocol("pmtiles", protocol.tile);
// pmtiles extract https://build.protomaps.com/20240807.pmtiles my_area.pmtiles --bbox=11.221144,43.745121,11.287543,43.789306
let PMTILES_URL = "https://pmtiles.io/protomaps(vector)ODbL_firenze.pmtiles";
const p = new pmtiles.PMTiles(PMTILES_URL);
// this is so we share one instance across the JS code and the map renderer
protocol.add(p);
// we first fetch the header so we can get the center lon, lat of the map.
p.getHeader().then((h) => {
const map = new maplibregl.Map({
container: "map",
zoom: h.maxZoom - 2,
center: [h.centerLon, h.centerLat],
style: {
version: 8,
sources: {
example_source: {
type: "vector",
// For standard Z/X/Y tile APIs or Z/X/Y URLs served from go-pmtiles, replace "url" with "tiles" and remove all the pmtiles-related client code.
// tiles: ["https://example.com/{z}/[x}/{y}.mvt"],
// see https://maplibre.org/maplibre-style-spec/sources/#vector
url: "pmtiles://" + PMTILES_URL,
attribution:
'© <a href="https://openstreetmap.org">OpenStreetMap</a>',
const map = new maplibregl.Map({
container: "map",
zoom: 13,
center: [11.2543435, 43.7672134],
style: {
version: 8,
sources: {
example_source: {
type: "vector",
// For standard Z/X/Y tile APIs or Z/X/Y URLs served from go-pmtiles, replace "url" with "tiles" and remove all the pmtiles-related client code.
// tiles: ["https://example.com/{z}/[x}/{y}.mvt"],
// see https://maplibre.org/maplibre-style-spec/sources/#vector
url: "pmtiles://https://pmtiles.io/protomaps(vector)ODbL_firenze.pmtiles",
},
},
layers: [
{
id: "water",
source: "example_source",
"source-layer": "water",
type: "fill",
paint: {
"fill-color": "#80b1d3",
},
},
layers: [
{
id: "water",
source: "example_source",
"source-layer": "water",
type: "fill",
paint: {
"fill-color": "#80b1d3",
},
{
id: "buildings",
source: "example_source",
"source-layer": "buildings",
type: "fill",
paint: {
"fill-color": "#d9d9d9",
},
{
id: "buildings",
source: "example_source",
"source-layer": "buildings",
type: "fill",
paint: {
"fill-color": "#d9d9d9",
},
},
{
id: "roads",
source: "example_source",
"source-layer": "roads",
type: "line",
paint: {
"line-color": "#fc8d62",
},
{
id: "roads",
source: "example_source",
"source-layer": "roads",
type: "line",
paint: {
"line-color": "#fc8d62",
},
},
{
id: "pois",
source: "example_source",
"source-layer": "pois",
type: "circle",
paint: {
"circle-color": "#ffffb3",
},
{
id: "pois",
source: "example_source",
"source-layer": "pois",
type: "circle",
paint: {
"circle-color": "#ffffb3",
},
},
],
},
});
map.showTileBoundaries = true;
},
],
},
});
map.showTileBoundaries = true;
</script>
</body>
</html>