{
let container = html`<div style='height:800px;' />`
yield container
const map = (container.value = new maplibregl.Map({
boxZoom: true,
pitch: 0,
bearing: 0,
container,
center: [-68.1336229, -16.4955455],
zoom: 15,
style: "https://basemaps.cartocdn.com/gl/positron-nolabels-gl-style/style.json",
scrollZoom: true
}))
map.on("load", function () {
map.addSource("places", places.source)
map.addLayer(places.layer)
map.addSource('labels', labels.source)
map.addLayer(labels.layer)
map.addLayer(placesFake)
})
const mouseenter = function(e) {
map.getCanvas().style.cursor = "pointer";
const poi = e.features[0]
popup.
setHTML(`
<div style="font-weight: bold"; margin: 0px>${poi.properties.name}</div>
<div style="font-size: .8em; opacity: .5; margin: 0px">${poi.properties.category_main}</div>`).
setLngLat(poi.geometry.coordinates).
addTo(map)
}
const mouseleave = function() {
map.getCanvas().style.cursor = "";
popup.remove()
}
const popup = new maplibregl.Popup({
closeButton: false,
closeOnClick: false
})
map.on("mouseenter", "placesfake", mouseenter);
map.on("mouseleave", "placesfake", mouseleave);
map.addControl(new maplibregl.NavigationControl())
map.addControl(
new maplibregl.GeolocateControl({
positionOptions: {
enableHighAccuracy: true
},
showAccuracyCircle: false,
showUserLocation: true
}),
'top-right'
)
}
places = ({
source: {
type: "vector",
url: "pmtiles://https://r2-public.protomaps.com/protomaps-sample-datasets/overture-pois.pmtiles",
attribution: '© <a href="https://overturemaps.org">Overture Maps Foundation</a>'
},
layer: {
id: 'places',
type: 'circle',
source: 'places',
'source-layer': 'pois',
paint: {
'circle-color': '#85bfd4',
'circle-stroke-color': '#85979e',
'circle-opacity': {
base: 1,
stops: [
[8, 0],
[16, .7]
]
},
'circle-radius': [
'interpolate',
['exponential',2],
['zoom'],
0, 1,
18, 9
],
'circle-stroke-width': [
'interpolate',
['exponential',2],
['zoom'],
12, 0,
14, .2
],
}
}
})
placesFake = ({
id: 'placesfake',
type: 'circle',
source: 'places',
'source-layer': 'pois',
paint: {
'circle-color': 'rgba(0,0,0,0)',
'circle-radius': [
'interpolate',
['exponential',2],
['zoom'],
0, 5,
18, 15
],
}
})
labels = ({
source: {
type: 'raster',
tiles: [
'https://a.basemaps.cartocdn.com/light_only_labels/{z}/{x}/{y}.png'
],
tileSize: 256
},
layer: {
id: 'labels-layer',
type: 'raster',
source: 'labels',
paint: {
"raster-opacity": .8,
}
}
})
maplibregl = {
const [module, styleURL] = await Promise.all([
require("maplibre-gl@3.1.0"),
require.resolve("maplibre-gl@3.1.0/dist/maplibre-gl.css")
]);
const style = document.head.appendChild(
html`<link rel=stylesheet href=${styleURL}>`
);
invalidation.then(() => style.remove());
let protocol = new pmtiles.Protocol();
module.addProtocol("pmtiles",protocol.tile);
return module;
}
maplibreglcompare = {
const [module, styleURL] = await Promise.all([
require("maplibre-gl@3.1.0"),
require.resolve("maplibre-gl@3.1.0/dist/maplibre-gl.css")
]);
const style = document.head.appendChild(
html`<link rel=stylesheet href=${styleURL}>`
);
invalidation.then(() => style.remove());
let protocol = new pmtiles.Protocol();
module.addProtocol("pmtiles",protocol.tile);
return module;
}
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