影像底图掩模

// @ts-ignore
import { PolygonLayer, RasterLayer, Scene } from '@antv/l7';
// @ts-ignore
import { Map } from '@antv/l7-maps';

const scene = new Scene({
  id: 'map',

  map: new Map({
    center: [112, 30],
    // zoom: 12,
    zoom: 3,
  }),
});

const mask = new PolygonLayer({
  sourceLayer: 'ecoregions2', // woods hillshade contour ecoregions ecoregions2 city
})
  .source('https://ganos.oss-cn-hangzhou.aliyuncs.com/m2/rs_l7/{z}/{x}/{y}.pbf', {
    parser: {
      type: 'mvt',
      tileSize: 256,
      maxZoom: 9,
    },
  })
  .shape('fill');

const layer = new RasterLayer({
  zIndex: 1,
  maskLayers: [mask],
}).source(
  'https://tiles{1-3}.geovisearth.com/base/v1/img/{z}/{x}/{y}?format=webp&tmsIds=w&token=b2a0cfc132cd60b61391b9dd63c15711eadb9b38a9943e3f98160d5710aef788',
  {
    parser: {
      type: 'rasterTile',
      tileSize: 256,
    },
  },
);

scene.on('loaded', () => {
  scene.addLayer(mask);
  scene.addLayer(layer);
});