Public
Edited
Jan 24, 2023
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{
let container = html`<div style='height:600px;' />`;
// Give the container dimensions.
yield container;
// set the targomo client
const client = tgmCoreClient("westcentraleurope");
// Create the "map" object with the mapboxgl.Map constructor, referencing
// the container div
let map = new mapboxgl.Map({
container,
center: [13.446677, 52.503556],
zoom: 10,
style: client.basemaps.getGLStyleURL("Basic"),
// scrollZoom: false,
attributionControl: false
})
.addControl(new mapboxgl.NavigationControl())
.addControl(
new mapboxgl.AttributionControl({
compact: true,
customAttribution: attribution
})
);
const POI_URL =
`https://api.targomo.com/pointofinterest/{z}/{x}/{y}.mvt` +
`?apiKey=${targomoKey()}${publicTransportStationQueryString}&match=all&loadAllTags=true&layerType=node`;
map.on("load", async () => {
map.addLayer({
id: "poi",
type: "circle",
source: {
type: "vector",
tiles: [POI_URL],
minzoom: 9
},
"source-layer": "poi",
paint: {
"circle-radius": {
property: "numOfPois", // make circle bigger if POIs are aggregated
stops: [
[1, 2],
[10, 8]
]
},
"circle-color": "#f0f"
}
});
// Create a popup, but don't add it to the map yet.
const popup = new mapboxgl.Popup({
closeButton: false,
closeOnClick: false
});
// Change the cursor to a pointer when the mouse is over the poi layer
map.on("mouseenter", "poi", (e) => {
map.getCanvas().style.cursor = "pointer";
let description = "";
if (e.features[0].properties.numOfPois > 1) {
description += `<strong>Multiple POIs</strong><br><em>${e.features[0].properties.numOfPois}
POIs here,<br>zoom in to see details</em>`;
} else {
description += `<strong>POI: Public Transit</strong><br>`;
const tags = JSON.parse(e.features[0].properties.tags);
const rows = Object.keys(tags).map((k) => {
return `<tr><td>${k}</td><td>${tags[k]}</td></tr>`;
});
const addOn = `<table><thead><tr><th>tag</th><th>value</th></tr></thead><tbody>${rows.join(
""
)}</tbody></table>`;
description += addOn;
}
popup.setLngLat(e.lngLat).setHTML(description).addTo(map);
});
// Change it back to a pointer when it leaves.
map.on("mouseleave", "poi", () => {
map.getCanvas().style.cursor = "";
popup.remove();
});
});
}
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