Files
openlayers/examples/worker.js
2019-05-29 08:51:10 -06:00

36 lines
835 B
JavaScript

/* eslint-disable no-console */
import Map from '../src/ol/Map.js';
import View from '../src/ol/View.js';
import TileLayer from '../src/ol/layer/Tile.js';
import OSM from '../src/ol/source/OSM.js';
import {create as createVersionWorker} from '../src/ol/worker/version.js';
const map = new Map({
layers: [
new TileLayer({
source: new OSM()
})
],
target: 'map',
view: new View({
center: [0, 0],
zoom: 2
})
});
const worker = createVersionWorker();
worker.addEventListener('error', function(error) {
console.error('worker error', error);
});
worker.addEventListener('message', function(event) {
console.log('message from worker:', event.data);
});
map.on('moveend', function(event) {
const state = event.frameState.viewState;
worker.postMessage({zoom: state.zoom, center: state.center});
});