Geolocation 如何使用mapboxgl.GeolocateControl将标记添加到mapbox
我想在用户找到自己后添加一个标记 我尝试收听地理定位事件,但没有添加标记。 我应该如何进行Geolocation 如何使用mapboxgl.GeolocateControl将标记添加到mapbox,geolocation,mapbox,mapbox-gl-js,Geolocation,Mapbox,Mapbox Gl Js,我想在用户找到自己后添加一个标记 我尝试收听地理定位事件,但没有添加标记。 我应该如何进行 map.addControl(new mapboxgl.GeolocateControl({ positionOptions: { enableHighAccuracy: true, watchPosition: true } })); map.on('geolocate ', () => { map.loadImage('images/pin
map.addControl(new mapboxgl.GeolocateControl({
positionOptions: {
enableHighAccuracy: true,
watchPosition: true
}
}));
map.on('geolocate ', () => {
map.loadImage('images/pin2.png', (error, image, data) => {
if (error) throw error;
console.log(data);
map.addImage('pin2', image);
map.addLayer({
"id": "points",
"type": "symbol",
"source": {
"type": "geojson",
"data": {
"type": "FeatureCollection",
"features": [{
"type": "Feature",
"geometry": {
"type": "Point",
"coordinates": [data.position]
}
}]
}
},
"layout": {
"icon-image": "pin2",
"icon-size": 1
}
});
});
});
geolocate事件实际上与geolocate对象绑定在一起,而不是与map对象绑定在一起
let geolocate = new mapboxgl.GeolocateControl({
positionOptions: {
enableHighAccuracy: true,
watchPosition: true
}
});
map.addControl(geolocate);
geolocate.on('geolocate', (e) => {
map.loadImage('https://upload.wikimedia.org/wikipedia/commons/thumb/6/60/Cat_silhouette.svg/400px-Cat_silhouette.svg.png', (error, image) => {
console.log(e)
if (error) throw error;
map.addImage('cat', image);
map.addLayer({
"id": "points",
"type": "symbol",
"source": {
"type": "geojson",
"data": {
"type": "FeatureCollection",
"features": [{
"type": "Feature",
"geometry": {
"type": "Point",
"coordinates": [e.coords.longitude, e.coords.latitude]
}
}]
}
},
"layout": {
"icon-image": "cat",
"icon-size": 0.3
}
});
});
});
查看工作首先确定问题是地理定位控件未触发,或标记不可见,还是两者的某种组合。那么-如果将代码移动到onload…,标记是否会显示?请注意,浏览器中的地理位置仅适用于https域。当连接不安全时,您将无法在地图上看到Geolocate控件。