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Get Features Under the Mouse Pointer

Get Features Under the Mouse Pointer

Query and display map features under the mouse cursor using queryRenderedFeatures.

const API_KEY = 'toursprung';

    const map = new maptoolkit.Map({
        container: 'map',
        style: `https://static.maptoolkit.net/styles/toursprung/terrain.json?api_key=${API_KEY}`,
        center: [11.39085, 47.27574],
        zoom: 14,
        attributionControl: { compact: false }
    });

    map.addControl(new maptoolkit.NavigationControl(), 'top-right');

    map.on('mousemove', (e) => {
        const features = map.queryRenderedFeatures(e.point);
        const featuresEl = document.getElementById('features');
        if (features.length === 0) {
            featuresEl.innerHTML = '<strong>Features under cursor:</strong><br>None';
            return;
        }
        const info = features.slice(0, 5).map(f =>
            `<div style="border-top:1px solid #eee;margin-top:4px;padding-top:4px;"><em>${f.layer.id}</em> (${f.layer.type})</div>`
        ).join('');
        featuresEl.innerHTML = `<strong>Features under cursor:</strong>${info}`;
    });
<!DOCTYPE html>
<html lang="en">
<head>
    <title>Get Features Under the Mouse Pointer – Maptoolkit Maps JS</title>
    <meta property="og:description" content="Query and display map features under the mouse cursor using queryRenderedFeatures." />
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <script src="https://unpkg.com/@maptoolkit/maps@11.0.0-beta.2/dist/maptoolkit.js"></script>
    <link rel="stylesheet" href="https://unpkg.com/@maptoolkit/maps@11.0.0-beta.2/dist/maptoolkit.css" />
    <style>
        html, body { width: 100%; height: 100%; margin: 0; padding: 0; }
        #map { width: 100%; height: 100%; }
        #features {
            position: absolute;
            top: 10px;
            right: 10px;
            background: white;
            padding: 10px 14px;
            border-radius: .4rem;
            font-family: sans-serif;
            font-size: 12px;
            max-width: 240px;
            max-height: 300px;
            overflow-y: auto;
        }
    </style>
</head>
<body>
<div id="map"></div>
<div id="features"><strong>Features under cursor:</strong><br>Move the mouse over the map.</div>
<script>
    const API_KEY = 'toursprung';

    const map = new maptoolkit.Map({
        container: 'map',
        style: `https://static.maptoolkit.net/styles/toursprung/terrain.json?api_key=${API_KEY}`,
        center: [11.39085, 47.27574],
        zoom: 14,
        attributionControl: { compact: false }
    });

    map.addControl(new maptoolkit.NavigationControl(), 'top-right');

    map.on('mousemove', (e) => {
        const features = map.queryRenderedFeatures(e.point);
        const featuresEl = document.getElementById('features');
        if (features.length === 0) {
            featuresEl.innerHTML = '<strong>Features under cursor:</strong><br>None';
            return;
        }
        const info = features.slice(0, 5).map(f =>
            `<div style="border-top:1px solid #eee;margin-top:4px;padding-top:4px;"><em>${f.layer.id}</em> (${f.layer.type})</div>`
        ).join('');
        featuresEl.innerHTML = `<strong>Features under cursor:</strong>${info}`;
    });
</script>
</body>
</html>