Ref:
Built with blockbuilder.org
xxxxxxxxxx
<html>
<head>
<meta charset='utf-8' />
<title>Position Helper</title>
<meta name='viewport' content='initial-scale=1,maximum-scale=1,user-scalable=no' />
<script src='https://api.tiles.mapbox.com/mapbox-gl-js/v1.5.0/mapbox-gl.js'></script>
<link href='https://api.tiles.mapbox.com/mapbox-gl-js/v1.5.0/mapbox-gl.css' rel='stylesheet' />
<script src='https://api.mapbox.com/mapbox-gl-js/plugins/mapbox-gl-geocoder/v4.4.1/mapbox-gl-geocoder.min.js'></script>
<link rel='stylesheet' href='https://api.mapbox.com/mapbox-gl-js/plugins/mapbox-gl-geocoder/v4.4.1/mapbox-gl-geocoder.css' type='text/css' />
<style>
body { margin:0; padding:0; }
#map { position:absolute; top:0; bottom:0; width:100%; }
#target {
position:absolute; top:0; bottom:0; width:100%;
display: flex; justify-content: center; align-items: center;
pointer-events: none;
}
#target img { width:50px; height:50px; }
#position {
position:absolute; top:0; height: 80px; width: 300px;
background-color: #fff;
padding: 15px;
margin: 10px;
font-family: 'Courier New', Courier, monospace;
}
</style>
</head>
<body>
<div id='map'></div>
<div id="target"><img src="./target.svg" alt=""></div>
<div id="position"></div>
<script>
var position = document.getElementById("position");
mapboxgl.accessToken = 'pk.eyJ1IjoiaGlyb3NhamkiLCJhIjoiY2szOWlqZWNzMDJueTNjcWhyNjhqdXBnOSJ9._6mJT202QqpnMuK-jvMr3g';
var map = new mapboxgl.Map({
container: 'map', // container id
style: 'mapbox://styles/hirosaji/ck8pi8a2i0fcq1imikt012wtt', // stylesheet location
center: [137.5, 37.0], // starting position [lng, lat]
zoom: 4.5, // starting zoom
pitch: 45,
bearing: 0
});
map.addControl(new MapboxGeocoder({
accessToken: mapboxgl.accessToken,
mapboxgl: mapboxgl
}));
map.addControl(new mapboxgl.NavigationControl());
map.on("load", function() {
updatePosition();
// Insert the layer beneath any symbol layer
var layers = map.getStyle().layers;
var labelLayerId;
for (var i = 0; i < layers.length; i++) {
if (layers[i].type === 'symbol' && layers[i].layout['text-field']) {
labelLayerId = layers[i].id;
break;
}
}
map.addLayer({
'id': '3d-buildings',
'source': 'composite',
'source-layer': 'building',
'filter': ['==', 'extrude', 'true'],
'type': 'fill-extrusion',
'minzoom': 15,
'paint': {
'fill-extrusion-color': '#aaa',
// add a smooth transition effect to the buildings as the user zooms in
'fill-extrusion-height': [
"interpolate", ["linear"], ["zoom"],
15, 0,
15.05, ["get", "height"]
],
'fill-extrusion-base': [
"interpolate", ["linear"], ["zoom"],
15, 0,
15.05, ["get", "min_height"]
],
'fill-extrusion-opacity': .6
}
}, labelLayerId);
});
map.on("moveend", function() {
updatePosition()
});
var updatePosition = function() {
var settings = 'center: [' + map.getCenter().lng.toFixed(5) + ', ' + map.getCenter().lat.toFixed(5) + '],\n' +
'zoom: ' + map.getZoom().toFixed(2) + ',\n' +
'pitch: ' + map.getPitch().toFixed(2) + ',\n' +
'bearing: ' + map.getBearing().toFixed(2) + '\n';
position.innerText = settings;
};
</script>
</body>
</html>
https://api.tiles.mapbox.com/mapbox-gl-js/v1.5.0/mapbox-gl.js
https://api.mapbox.com/mapbox-gl-js/plugins/mapbox-gl-geocoder/v4.4.1/mapbox-gl-geocoder.min.js