Swipe between maps | Mapbox GL JS

Use mapbox-gl-compare to swipe between and synchronize two maps.

JavaScript

React

JavaScript

React


<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Swipe between maps</title>
<meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no">
<link href="https://api.mapbox.com/mapbox-gl-js/v3.16.0/mapbox-gl.css" rel="stylesheet">
<script src="https://api.mapbox.com/mapbox-gl-js/v3.16.0/mapbox-gl.js"></script>
<style>
body { margin: 0; padding: 0; }
#map { position: absolute; top: 0; bottom: 0; width: 100%; }
</style>
</head>
<body>
<style>
    body {
        overflow: hidden;
    }

    body * {
        -webkit-touch-callout: none;
        -webkit-user-select: none;
        -moz-user-select: none;
        -ms-user-select: none;
        user-select: none;
    }

    .map {
        position: absolute;
        top: 0;
        bottom: 0;
        width: 100%;
    }
</style>
<script src="https://api.mapbox.com/mapbox-gl-js/plugins/mapbox-gl-compare/v0.4.0/mapbox-gl-compare.js"></script>
<link rel="stylesheet" href="https://api.mapbox.com/mapbox-gl-js/plugins/mapbox-gl-compare/v0.4.0/mapbox-gl-compare.css" type="text/css">
<div id="comparison-container">
    <div id="before" class="map"></div>
    <div id="after" class="map"></div>
</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 beforeMap = new mapboxgl.Map({
        container: 'before',
        // Choose from Mapbox's core styles, or make your own style with Mapbox Studio
        style: 'mapbox://styles/mapbox/standard',
        config: {
            basemap: {
                theme: 'monochrome'
            }
        },
        center: [0, 0],
        zoom: 0
    });

    const afterMap = new mapboxgl.Map({
        container: 'after',
        style: 'mapbox://styles/mapbox/standard',
        config: {
            basemap: {
                theme: 'monochrome',
                lightPreset: 'night'
            }
        },
        center: [0, 0],
        zoom: 0
    });

    // A selector or reference to HTML element
    const container = '#comparison-container';

    const map = new mapboxgl.Compare(beforeMap, afterMap, container, {
        // Set this to enable comparing two maps by mouse movement:
        // mousemove: true
    });
</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。

JavaScript

React


import React, { useEffect, useRef } from 'react';
import mapboxgl from 'mapbox-gl';
import mapboxglCompare from 'mapbox-gl-compare';

import 'mapbox-gl/dist/mapbox-gl.css';
import 'mapbox-gl-compare/dist/mapbox-gl-compare.css';

// extend mapboxgl, adding the Compare class
mapboxgl.Compare = mapboxglCompare;

const MapboxExample = () => {
  const mapRef = useRef();
  const beforeMapContainerRef = useRef();
  const afterMapContainerRef = useRef();
  const comparisonContainerRef = useRef();

  const mapStyle = { position: 'absolute', top: 0, bottom: 0, width: '100%' };

  useEffect(() => {
    // some development servers will run this hook more than once
    // return if the map has already been initialized
    if (mapRef.current) return;

    // TO MAKE THE MAP APPEAR YOU MUST
    // ADD YOUR ACCESS TOKEN FROM
    // https://account.mapbox.com
    mapboxgl.accessToken = 'YOUR_MAPBOX_ACCESS_TOKEN';

    const beforeMap = new mapboxgl.Map({
      container: beforeMapContainerRef.current,
      style: 'mapbox://styles/mapbox/standard',
      config: {
        basemap: {
          theme: 'monochrome'
        }
      },
      center: [0, 0],
      zoom: 0
    });

    const afterMap = new mapboxgl.Map({
      container: afterMapContainerRef.current,
      style: 'mapbox://styles/mapbox/standard',
      config: {
        basemap: {
          theme: 'monochrome',
          lightPreset: 'night'
        }
      },
      center: [0, 0],
      zoom: 0
    });

    mapRef.current = new mapboxgl.Compare(
      beforeMap,
      afterMap,
      comparisonContainerRef.current
    );
  }, []);

  return (
    <div
      id="comparison-container"
      ref={comparisonContainerRef}
      style={{ height: '100%', position: 'relative' }}
    >
      <div id="before" ref={beforeMapContainerRef} style={mapStyle}></div>
      <div id="after" ref={afterMapContainerRef} style={mapStyle}></div>
    </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？