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places.html
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places.html
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<html>
<head>
<title>Overture Places</title>
<meta charset="utf-8"/>
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<link rel="stylesheet" href="https://unpkg.com/[email protected]/dist/maplibre-gl.css" crossorigin="anonymous">
<script src="https://unpkg.com/[email protected]/dist/maplibre-gl.js" crossorigin="anonymous"></script>
<script src="https://unpkg.com/[email protected]/dist/index.js"></script>
<script src="https://unpkg.com/[email protected]/dist/index.js"></script>
<script
type="module"
src="https://s3.amazonaws.com/geocodeearth-missinglink/autocomplete-element/overture/bundle.js">
</script>
<style>
body {
margin: 0;
}
#map {
height:100%; width:100%;
}
#scroller {
z-index:999999;
position:absolute;
top:0px;
right:0px;
color:white;
padding:.5rem;
background-color:#444;
}
@media only screen and (max-width: 600px) {
#scroller {
margin-top: 60px;
}
}
#geocoder {
z-index: 999999;
-webkit-transform:translate3d(0,0,0);
position: fixed;
top: 5px;
left: 5px;
right: 5px;
}
@media only screen and (min-width: 600px) {
#geocoder {
right: auto;
width: 400px;
}
}
</style>
</head>
<body>
<div id="map"></div>
<div id="scroller">
Filter by confidence >= <span id="confidence">0.0</span>
<input type="range" min="0" max="100" step="1" value="0" onInput="rangeChanged(this.value)"></input>
</div>
<script type="text/javascript">
let protocol = new pmtiles.Protocol();
maplibregl.setRTLTextPlugin('https://unpkg.com/@mapbox/[email protected]/mapbox-gl-rtl-text.js');
maplibregl.addProtocol("pmtiles",protocol.tile);
function throttle (callback, limit) {
var waiting = false; // Initially, we're not waiting
return function () { // We return a throttled function
if (!waiting) { // If we're not waiting
callback.apply(this, arguments); // Execute users function
waiting = true; // Prevent future invocations
setTimeout(function () { // After a period of time
waiting = false; // And allow future invocations
}, limit);
}
}
}
const map = new maplibregl.Map({
hash: true,
container: 'map',
style: {
version:8,
glyphs:'https://cdn.protomaps.com/fonts/pbf/{fontstack}/{range}.pbf',
sources: {
"overture-pois": {
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>'
},
"protomaps": {
type: "vector",
tiles: ["https://api.protomaps.com/tiles/v3/{z}/{x}/{y}.mvt?key=1003762824b9687f"],
attribution: 'Basemap © <a href="https://openstreetmap.org">OpenStreetMap</a>',
maxzoom: 14
}
},
layers: [...protomaps_themes_base.noLabels("protomaps","black"),
{
'id':'overture-pois',
'type':'circle',
'source':'overture-pois',
'source-layer':'pois',
'filter':[">=",["get","round(confidence, 2)"], 0.0],
'paint': {
'circle-color':
['case',
['==',['get','category_main'],'beauty_salon'],'#fb9a99',
['==',['get','category_main'],'hotel'],'#33a02c',
['==',['get','category_main'],'landmark_and_historical_building'],'#a6cee3',
['==',['get','category_main'],'professional_services'],'#fdbf6f',
['==',['get','category_main'],'shopping'],'#e31a1c',
['==',['get','category_main'],'restaurant'],'#1f78b4',
['==',['get','category_main'],'school'],'#ff7f00',
['==',['get','category_main'],'accommodation'],'#b2df8a',
'#cab2d6'
],
'circle-radius': [
'interpolate',
['exponential',2],
['zoom'],
0, 1,
19, 8
],
'circle-stroke-width': [
'interpolate',
['exponential',2],
['zoom'],
12, 0,
14, 2
],
'circle-stroke-color':'black'
}
},
{
'id':'overture-pois-text',
'type':'symbol',
'source':'overture-pois',
'source-layer':'pois',
'filter':[">",["get","round(confidence, 2)"], 0.0],
'minzoom':14,
'layout': {
'text-field':"{name}",
'text-font':["Barlow Regular"],
'text-size': [
'interpolate',
['exponential',2],
['zoom'],
13, 11,
16, 14
],
'text-offset':[0,1.2]
},
'paint': {
'text-color':
['case',
['==',['get','category_main'],'beauty_salon'],'#fb9a99',
['==',['get','category_main'],'hotel'],'#33a02c',
['==',['get','category_main'],'landmark_and_historical_building'],'#a6cee3',
['==',['get','category_main'],'professional_services'],'#fdbf6f',
['==',['get','category_main'],'shopping'],'#e31a1c',
['==',['get','category_main'],'restaurant'],'#1f78b4',
['==',['get','category_main'],'school'],'#ff7f00',
['==',['get','category_main'],'accommodation'],'#b2df8a',
'#cab2d6'
],
'text-halo-width':2,
'text-halo-color':'black'
}
}, ...protomaps_themes_base.labels("protomaps","black")
]
}
});
function rangeChangedUnthrottled(target) {
map.setFilter("overture-pois", [">=",["get","round(confidence, 2)"], target / 100.0]);
map.setFilter("overture-pois-text", [">=",["get","round(confidence, 2)"], target / 100.0]);
document.getElementById("confidence").innerText = target / 100.0;
}
let rangeChanged = throttle(rangeChangedUnthrottled, 16);
const popup = new maplibregl.Popup({
closeButton: true,
closeOnClick: false,
maxWidth: "none",
});
map.on('click', 'overture-pois-text', (e) => {
if (e.features.length > 0) {
const feature = e.features[0];
popup.setHTML(
`
<table style="font-size:12px">
<tr>
<td>name:</td>
<td>${feature.properties.name}</td>
</tr>
<tr>
<td>confidence:</td>
<td>${feature.properties['round(confidence, 2)']}</td>
</tr>
<tr>
<td>category_main:</td>
<td>${feature.properties.category_main}</td>
</tr>
</table>
`);
popup.setLngLat(e.lngLat);
popup.addTo(map);
}
});
// geocoder
document.addEventListener("DOMContentLoaded", (event) => {
const el = document.querySelector('ge-autocomplete')
// 'select' event handler - when a user selects an item from the suggestions
el.addEventListener('select', (event) => {
console.log(event.detail, event)
map.jumpTo({
center: event.detail.geometry.coordinates,
zoom: 20
});
})
el.addEventListener('error', (event) => {
console.log(event.detail, event)
})
})
</script>
<div id="geocoder"><ge-autocomplete
api_key="ge-743ca80c06fc413e"
placeholder="Search Overture POIs"
sources="overture"
></ge-autocomplete></div>
</body>
</html>