都灵道路图

import { LineLayer, Scene } from '@antv/l7';
import { GaodeMap } from '@antv/l7-maps';

const scene = new Scene({
  id: 'map',
  map: new GaodeMap({
    center: [7.65, 45.053],
    zoom: 12,
    style: 'dark',
  }),
});
scene.on('loaded', () => {
  fetch('https://gw.alipayobjects.com/os/bmw-prod/98a5d9ec-be97-44bd-bff0-5742d929c003.json')
    .then((res) => res.json())
    .then((data) => {
      const layer = new LineLayer({})
        .source(data)
        .shape('line')
        .color('highway', (v) => {
          switch (v) {
            case 'motorway':
              return '#F9D371';
            case 'motorway_link':
              return '#3DB2FF';
            case 'trunk':
              return 'green';
            case 'trunk_link':
              return '#6E85B2';
            case 'primary':
              return '#F47340';
            case 'primary_link':
              return '#F6A9A9';
            case 'secondary':
              return '#EF2F88';
            case 'secondary_link':
              return '#5F7A61';
            case 'tertiary':
              return '#1ee3cf';
            case 'tertiary_link':
              return '#C2F784';
            case 'pedestrian':
              return '#FFF89A';
            case 'residential':
              return 'rgba(22, 119, 255, .5)';
            case 'road':
              return '#93FFD8';
            case 'path':
              return '#BAFFB4';
            case 'unclassified':
              return '#D3DEDC';
            case 'service':
              return '#AEFEFF';
            case 'living_street':
              return '#9B0000';
            case 'track':
              return '#F5F5F5';
            case 'highway':
              return 'red';
            case 'rail':
              return '#08ffc8';
            default:
              return '#FFE3E3';
          }
        })
        .animate({
          interval: 1, // 间隔
          duration: 1, // 持续时间，延时
          trailLength: 2, // 流线长度
        });
      scene.addLayer(layer);
    });
});