antv-l7/demos/demo/arc.js

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

const scene = new Scene({
  id: 'map',
  map: new Mapbox({
    pitch: 0,
    style: 'dark',
    center: [0, 23.107329],
    zoom: 0,
  }),
});

fetch(
  'https://gw.alipayobjects.com/os/basement_prod/b83699f9-a96d-49b8-b2ea-f99299faebaf.json',
)
  .then((res) => res.json())
  .then((data) => {
    function getAirportCoord(idx) {
      return [data.airports[idx][3], data.airports[idx][4]];
    }
    const routes = data.routes.map(function(airline) {
      return {
        coord: [getAirportCoord(airline[1]), getAirportCoord(airline[2])],
      };
    });
    const layer = new LineLayer({})
      .source(routes, {
        parser: {
          type: 'json',
          coordinates: 'coord',
        },
      })
      .size(0.6)
      .shape('arc')
      .color('rgb(5, 5, 50)')
      .style({
        opacity: 0.05,
      });
    scene.addLayer(layer);
  });