マウスポインタの下にフィーチャを取得
queryRenderedFeature を使用して、ホバーオーバーマップ要素のプロパティを表示します。
<!DOCTYPE html><html><head><meta charset="utf-8" /><title>マウスポインタの下にフィーチャを取得</title><meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no" /><script src="https://api.mapbox.com/mapbox-gl-js/v1.6.1/mapbox-gl.js"></script><link href="https://api.mapbox.com/mapbox-gl-js/v1.6.1/mapbox-gl.css" rel="stylesheet" /><style> body { margin: 0; padding: 0; } #map { position: absolute; top: 0; bottom: 0; width: 100%; }</style></head><body><style>#features {position: absolute;top: 0;right: 0;bottom: 0;width: 50%;overflow: auto;background: rgba(255, 255, 255, 0.8);}#map canvas {cursor: crosshair;}</style><div id="map"></div><pre id="features"></pre><script> mapboxgl.accessToken = '<your access token here>';var map = new mapboxgl.Map({container: 'map',style: 'mapbox://styles/mapbox/streets-v11',center: [-96, 37.8],zoom: 3}); map.on('mousemove', function(e) {var features = map.queryRenderedFeatures(e.point); // Limit the number of properties we're displaying for// legibility and performancevar displayProperties = ['type','properties','id','layer','source','sourceLayer','state']; var displayFeatures = features.map(function(feat) {var displayFeat = {};displayProperties.forEach(function(prop) {displayFeat[prop] = feat[prop];});return displayFeat;}); document.getElementById('features').innerHTML = JSON.stringify(displayFeatures,null,2);});</script> </body></html>