ad62739a6e
In addition to using const and let, this also upgrades our linter config and removes lint (mostly whitespace).
41 lines
1.2 KiB
JavaScript
41 lines
1.2 KiB
JavaScript
import Map from '../src/ol/Map.js';
|
|
import View from '../src/ol/View.js';
|
|
import {getCenter} from '../src/ol/extent.js';
|
|
import ImageLayer from '../src/ol/layer/Image.js';
|
|
import TileLayer from '../src/ol/layer/Tile.js';
|
|
import {transform} from '../src/ol/proj.js';
|
|
import Static from '../src/ol/source/ImageStatic.js';
|
|
import OSM from '../src/ol/source/OSM.js';
|
|
import {register} from '../src/ol/proj/proj4.js';
|
|
import proj4 from 'proj4';
|
|
|
|
proj4.defs('EPSG:27700', '+proj=tmerc +lat_0=49 +lon_0=-2 +k=0.9996012717 ' +
|
|
'+x_0=400000 +y_0=-100000 +ellps=airy ' +
|
|
'+towgs84=446.448,-125.157,542.06,0.15,0.247,0.842,-20.489 ' +
|
|
'+units=m +no_defs');
|
|
register(proj4);
|
|
|
|
const imageExtent = [0, 0, 700000, 1300000];
|
|
|
|
const map = new Map({
|
|
layers: [
|
|
new TileLayer({
|
|
source: new OSM()
|
|
}),
|
|
new ImageLayer({
|
|
source: new Static({
|
|
url: 'https://upload.wikimedia.org/wikipedia/commons/thumb/1/18/' +
|
|
'British_National_Grid.svg/2000px-British_National_Grid.svg.png',
|
|
crossOrigin: '',
|
|
projection: 'EPSG:27700',
|
|
imageExtent: imageExtent
|
|
})
|
|
})
|
|
],
|
|
target: 'map',
|
|
view: new View({
|
|
center: transform(getCenter(imageExtent), 'EPSG:27700', 'EPSG:3857'),
|
|
zoom: 4
|
|
})
|
|
});
|