Add a raster image to a map layer
This example adds a radar weather image over a dark vector style.
To add the raster overlay, the example adds an image
source, and a raster
layer to the map.
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Add a raster image to a map layer</title>
<meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no">
<link href="https://api.mapbox.com/mapbox-gl-js/v3.7.0/mapbox-gl.css" rel="stylesheet">
<script src="https://api.mapbox.com/mapbox-gl-js/v3.7.0/mapbox-gl.js"></script>
<style>
body { margin: 0; padding: 0; }
#map { position: absolute; top: 0; bottom: 0; width: 100%; }
</style>
</head>
<body>
<div id="map"></div>
<script>
// TO MAKE THE MAP APPEAR YOU MUST
// ADD YOUR ACCESS TOKEN FROM
// https://account.mapbox.com
mapboxgl.accessToken = 'YOUR_MAPBOX_ACCESS_TOKEN';
const map = new mapboxgl.Map({
container: 'map',
maxZoom: 5.99,
minZoom: 4,
zoom: 5,
center: [-75.789, 41.874],
// Choose from Mapbox's core styles, or make your own style with Mapbox Studio
style: 'mapbox://styles/mapbox/dark-v11'
});
map.on('load', () => {
map.addSource('radar', {
'type': 'image',
'url': 'https://docs.mapbox.com/mapbox-gl-js/assets/radar.gif',
'coordinates': [
[-80.425, 46.437],
[-71.516, 46.437],
[-71.516, 37.936],
[-80.425, 37.936]
]
});
map.addLayer({
id: 'radar-layer',
'type': 'raster',
'source': 'radar',
'paint': {
'raster-fade-duration': 0
}
});
});
</script>
</body>
</html>
このコードスニペットは、
YOUR_MAPBOX_ACCESS_TOKEN
をあなたのMapboxアカウントのアクセストークンに置き換えるまで、期待通りに動作しません。import React, { useEffect, useRef } from 'react';
import mapboxgl from 'mapbox-gl';
import 'mapbox-gl/dist/mapbox-gl.css';
const MapboxExample = () => {
const mapContainerRef = useRef();
const mapRef = useRef();
useEffect(() => {
// TO MAKE THE MAP APPEAR YOU MUST
// ADD YOUR ACCESS TOKEN FROM
// https://account.mapbox.com
mapboxgl.accessToken = 'YOUR_MAPBOX_ACCESS_TOKEN';
mapRef.current = new mapboxgl.Map({
container: mapContainerRef.current,
maxZoom: 5.99,
minZoom: 4,
zoom: 5,
center: [-75.789, 41.874],
style: 'mapbox://styles/mapbox/dark-v11'
});
mapRef.current.on('load', () => {
mapRef.current.addSource('radar', {
type: 'image',
url: 'https://docs.mapbox.com/mapbox-gl-js/assets/radar.gif',
coordinates: [
[-80.425, 46.437],
[-71.516, 46.437],
[-71.516, 37.936],
[-80.425, 37.936]
]
});
mapRef.current.addLayer({
id: 'radar-layer',
type: 'raster',
source: 'radar',
paint: {
'raster-fade-duration': 0
}
});
});
}, []);
return <div id="map" ref={mapContainerRef} style={{ height: '100%' }}></div>;
};
export default MapboxExample;
このコードスニペットは、
YOUR_MAPBOX_ACCESS_TOKEN
をあなたのMapboxアカウントのアクセストークンに置き換えるまで、期待通りに動作しません。このexampleは役に立ちましたか?