Center the map on a clicked symbol
Use events and flyTo to center the map on a symbol.
NPM module setup
npm install --save @maptiler/sdk
import { Map, MapStyle, config } from '@maptiler/sdk';
import '@maptiler/sdk/dist/maptiler-sdk.css';
config.apiKey = 'YOUR_MAPTILER_API_KEY_HERE';
const map = new Map({
container: 'map',
style: MapStyle.STREETS,
center: [-90.96, -0.47],
zoom: 7.5
});
map.on('load', async function () {
// Add an image to use as a custom marker
const image = await map.loadImage(
'https://docs.maptiler.com/sdk-js/assets/custom_marker.png');
map.addImage('custom-marker', image.data);
// Add a GeoJSON source with 3 points.
map.addSource('points', {
'type': 'geojson',
'data': {
'type': 'FeatureCollection',
'features': [
{
'type': 'Feature',
'properties': {},
'geometry': {
'type': 'Point',
'coordinates': [
-91.395263671875,
-0.9145729757782163
]
}
},
{
'type': 'Feature',
'properties': {},
'geometry': {
'type': 'Point',
'coordinates': [
-90.32958984375,
-0.6344474832838974
]
}
},
{
'type': 'Feature',
'properties': {},
'geometry': {
'type': 'Point',
'coordinates': [
-91.34033203125,
0.01647949196029245
]
}
}
]
}
});
// Add a symbol layer
map.addLayer({
'id': 'symbols',
'type': 'symbol',
'source': 'points',
'layout': {
'icon-image': 'custom-marker'
}
});
// Center the map on the coordinates of any clicked symbol from the 'symbols' layer.
map.on('click', 'symbols', function (e) {
map.flyTo({
center: e.features[0].geometry.coordinates
});
});
// Change the cursor to a pointer when the it enters a feature in the 'symbols' layer.
map.on('mouseenter', 'symbols', function () {
map.getCanvas().style.cursor = 'pointer';
});
// Change it back to a pointer when it leaves.
map.on('mouseleave', 'symbols', function () {
map.getCanvas().style.cursor = '';
});
});
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="robots" content="noindex">
<title>Center the map on a clicked symbol</title>
<link rel="stylesheet" href="./style.css">
</head>
<body>
<div id="map"></div>
<script type="module" src="./main.js"></script>
</body>
</html>
body {margin: 0; padding: 0;}
#map {position: absolute; top: 0; bottom: 0; width: 100%;}
