ol-cesium/examples/image-static.js

OpenLayers Cesium integration library

import OLCesium from 'olcs';
import {transform} from 'ol/proj.js';
import olView from 'ol/View.js';
import {defaults as olControlDefaults} from 'ol/control.js';
import olSourceOSM from 'ol/source/OSM.js';
import olLayerTile from 'ol/layer/Tile.js';
import olMap from 'ol/Map.js';

import {Image as ImageLayer} from 'ol/layer.js';
import {getCenter} from 'ol/extent.js';
import Static from 'ol/source/ImageStatic.js';
import {OLCS_ION_TOKEN} from './_common.js';

const imageExtent = [-40, 50, -10, 65];

Cesium.Ion.defaultAccessToken = OLCS_ION_TOKEN;
const ol2d = new olMap({
  layers: [
    new olLayerTile({
      source: new olSourceOSM()
    }),
    new ImageLayer({
      source: new Static({
        url: 'data/image-static.png',
        crossOrigin: '',
        projection: 'EPSG:4326',
        imageExtent
      })
    })
  ],
  controls: olControlDefaults({
    attributionOptions: {
      collapsible: false
    }
  }),
  target: 'map',
  view: new olView({
    center: transform(getCenter(imageExtent), 'EPSG:4326', 'EPSG:3857'),
    zoom: 4,
    projection: 'EPSG:3857'
  })
});

const ol3d = new OLCesium({
  map: ol2d
});
const scene = ol3d.getCesiumScene();
Cesium.createWorldTerrainAsync().then(tp => scene.terrainProvider = tp);
ol3d.setEnabled(true);


document.getElementById('enable').addEventListener('click', () => ol3d.setEnabled(!ol3d.getEnabled()));