antv-l7/stories/Map/components/amap2demo_arcLine.tsx

import { LineLayer, Scene } from '@antv/l7';
import { GaodeMap, Mapbox } from '@antv/l7-maps';
import * as React from 'react';

export default class Amap2demo_arcLine extends React.Component {
  // @ts-ignore
  private scene: Scene;

  public componentWillUnmount() {
    this.scene.destroy();
  }

  public async componentDidMount() {
    const scene = new Scene({
      id: 'map',
      map: new GaodeMap({
        pitch: 40,
        center: [107.77791556935472, 35.443286920228644],
        zoom: 2.9142882493605033,
        viewMode: '3D',
      }),
    });
    this.scene = scene;

    scene.on('loaded', () => {
      fetch(
        'https://gw.alipayobjects.com/os/rmsportal/UEXQMifxtkQlYfChpPwT.txt',
      )
        .then((res) => res.text())
        .then((data) => {
          const layer = new LineLayer({})
            .source(data, {
              parser: {
                type: 'csv',
                x: 'lng1',
                y: 'lat1',
                x1: 'lng2',
                y1: 'lat2',
              },
            })
            .size(1)
            .shape('arc')
            .color('#8C1EB2')
            .style({
              opacity: 0.8,
              blur: 0.99,
              // segmentNumber: 3,
              lineType: 'dash',
              // dashArray: [5, 5],
            });
          // .forward(false)
          scene.addLayer(layer);
        });
    });
  }

  public render() {
    return (
      <>
        <div
          id="map"
          style={{
            position: 'absolute',
            top: 0,
            left: 0,
            right: 0,
            bottom: 0,
          }}
        />
      </>
    );
  }
}