40 lines
1.2 KiB
JavaScript
40 lines
1.2 KiB
JavaScript
import Map from '../src/ol/Map.js';
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import View from '../src/ol/View.js';
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import {getCenter} from '../src/ol/extent.js';
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import {Image as ImageLayer, Tile as TileLayer} from '../src/ol/layer.js';
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import {transform} from '../src/ol/proj.js';
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import Static from '../src/ol/source/ImageStatic.js';
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import OSM from '../src/ol/source/OSM.js';
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import {register} from '../src/ol/proj/proj4.js';
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import proj4 from 'proj4';
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proj4.defs('EPSG:27700', '+proj=tmerc +lat_0=49 +lon_0=-2 +k=0.9996012717 ' +
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'+x_0=400000 +y_0=-100000 +ellps=airy ' +
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'+towgs84=446.448,-125.157,542.06,0.15,0.247,0.842,-20.489 ' +
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'+units=m +no_defs');
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register(proj4);
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const imageExtent = [0, 0, 700000, 1300000];
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const map = new Map({
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layers: [
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new TileLayer({
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source: new OSM()
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}),
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new ImageLayer({
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source: new Static({
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url: 'https://upload.wikimedia.org/wikipedia/commons/thumb/1/18/' +
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'British_National_Grid.svg/2000px-British_National_Grid.svg.png',
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crossOrigin: '',
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projection: 'EPSG:27700',
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imageExtent: imageExtent
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})
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})
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],
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target: 'map',
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view: new View({
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center: transform(getCenter(imageExtent), 'EPSG:27700', 'EPSG:3857'),
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zoom: 4
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})
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});
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