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  • 多路canvas的mapbox gl

    代码

    <!DOCTYPE html>
    <html>
    <head>
        <meta charset='utf-8' />
        <title>Display a map</title>
        <meta name='viewport' content='initial-scale=1,maximum-scale=1,user-scalable=no' />
        <script src='https://api.tiles.mapbox.com/mapbox-gl-js/v0.44.2/mapbox-gl.js'></script>
        <link href='https://api.tiles.mapbox.com/mapbox-gl-js/v0.44.2/mapbox-gl.css' rel='stylesheet' />
        <style>
            body { margin:0; padding:0; }
            #map { position:absolute; top:0; bottom:0; width:100%; }
            #map2 { position:absolute; top:0; bottom:0; width:100%; }
        </style>
    </head>
    <body>
    
    <div id='map'></div>
    <div id='map2'></div>
    <script>
    var style = {
      "version": 8,
      "name": "Empty",
      "metadata": {
        "mapbox:autocomposite": true,
        "mapbox:type": "template"
      },
     //"glyphs": "mapbox://fonts/mapbox/{fontstack}/{range}.pbf",
      "sources": {},
      "layers": [
        {
          "id": "background",
          "type": "background",
          "paint": {
            "background-color": "rgba(0,255,0,0.4)"
          }
        }
      ]
    }
    
    mapboxgl.accessToken = 'pk.eyJ1IjoibGlsZWlqb3JkYW4iLCJhIjoiY2luc2Z1a2UxMTEybnUya2pheDdwZjhxOSJ9._ENu7hjywKHQZMcj9S24vA';
    var map = new mapboxgl.Map({
        container: 'map', // container id
        style: style,
        center: [-122.48369693756104, 37.83381888486939], // starting position [lng, lat]
        zoom: 14 // starting zoom
    });
    
    
    map.on('load', function () {
    
        map.addLayer({
            "id": "route",
            "type": "line",
            "source": {
                "type": "geojson",
                "data": {
                    "type": "Feature",
                    "properties": {},
                    "geometry": {
                        "type": "LineString",
                        "coordinates": [
                            [-122.48369693756104, 37.83381888486939],
                            [-122.48348236083984, 37.83317489144141],
                            [-122.48339653015138, 37.83270036637107],
                            [-122.48356819152832, 37.832056363179625],
                            [-122.48404026031496, 37.83114119107971],
                            [-122.48404026031496, 37.83049717427869],
                            [-122.48348236083984, 37.829920943955045],
                            [-122.48356819152832, 37.82954808664175],
                            [-122.48507022857666, 37.82944639795659],
                            [-122.48610019683838, 37.82880236636284],
                            [-122.48695850372314, 37.82931081282506],
                            [-122.48700141906738, 37.83080223556934],
                            [-122.48751640319824, 37.83168351665737],
                            [-122.48803138732912, 37.832158048267786],
                            [-122.48888969421387, 37.83297152392784],
                            [-122.48987674713133, 37.83263257682617],
                            [-122.49043464660643, 37.832937629287755],
                            [-122.49125003814696, 37.832429207817725],
                            [-122.49163627624512, 37.832564787218985],
                            [-122.49223709106445, 37.83337825839438],
                            [-122.49378204345702, 37.83368330777276]
                        ]
                    }
                }
            },
            "layout": {
                "line-join": "round",
                "line-cap": "round"
            },
            "paint": {
                "line-color": "#333",
                "line-width": 8
            }
        });
    });
    
    
    
    var style2 = {
      "version": 8,
      "name": "Empty",
      "metadata": {
        "mapbox:autocomposite": true,
        "mapbox:type": "template"
      },
     //"glyphs": "mapbox://fonts/mapbox/{fontstack}/{range}.pbf",
      "sources": {},
      "layers": [
        {
          "id": "background",
          "type": "background",
          "paint": {
            "background-color": "rgba(255,255,0,0.4)"
          }
        }
      ]
    }
    
    mapboxgl.accessToken = 'pk.eyJ1IjoibGlsZWlqb3JkYW4iLCJhIjoiY2luc2Z1a2UxMTEybnUya2pheDdwZjhxOSJ9._ENu7hjywKHQZMcj9S24vA';
    var map2 = new mapboxgl.Map({
        container: 'map2', // container id
        style: style2,
        center: [-122.48369693756104, 37.83381888486939], // starting position [lng, lat]
        zoom: 14 // starting zoom
    });
    
    
    map2.on('load', function () {
    
        map2.addLayer({
            "id": "route",
            "type": "line",
            "source": {
                "type": "geojson",
                "data": {
                    "type": "Feature",
                    "properties": {},
                    "geometry": {
                        "type": "LineString",
                        "coordinates": [
                            [-122.48369693756104 + 0.0009, 37.83381888486939],
                            [-122.48348236083984 + 0.0009, 37.83317489144141],
                            [-122.48339653015138 + 0.0009, 37.83270036637107],
                            [-122.48356819152832 + 0.0009, 37.832056363179625],
                            [-122.48404026031496 + 0.0009, 37.83114119107971],
                            [-122.48404026031496 + 0.0009, 37.83049717427869],
                            [-122.48348236083984 + 0.0009, 37.829920943955045],
                            [-122.48356819152832 + 0.0009, 37.82954808664175],
                            [-122.48507022857666 + 0.0009, 37.82944639795659],
                            [-122.48610019683838 + 0.0009, 37.82880236636284],
                            [-122.48695850372314 + 0.0009, 37.82931081282506],
                            [-122.48700141906738 + 0.0009, 37.83080223556934],
                            [-122.48751640319824 + 0.0009, 37.83168351665737],
                            [-122.48803138732912 + 0.0009, 37.832158048267786],
                            [-122.48888969421387 + 0.0009, 37.83297152392784],
                            [-122.48987674713133 + 0.0009, 37.83263257682617],
                            [-122.49043464660643 + 0.0009, 37.832937629287755],
                            [-122.49125003814696 + 0.0009, 37.832429207817725],
                            [-122.49163627624512 + 0.0009, 37.832564787218985],
                            [-122.49223709106445 + 0.0009, 37.83337825839438],
                            [-122.49378204345702 + 0.0009, 37.83368330777276]
                        ]
                    }
                }
            },
            "layout": {
                "line-join": "round",
                "line-cap": "round"
            },
            "paint": {
                "line-color": "#111",
                "line-width": 6
            }
        });
        
        map2.on('move',function(){
    
        map.jumpTo({
            center: map2.getCenter(),
            zoom: map2.getZoom(),
            bearing: map2.getBearing(),
            pitch: map2.getPitch()
        });
        })
    });
    </script>
    
    </body>
    </html>

    demo

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  • 原文地址:https://www.cnblogs.com/lilei2blog/p/8961564.html
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