Files
openlayers/examples/reprojection-image.js
Frederic Junod 79c8afdba8 Simplify import path in examples
To have the same path (starting with `ol/`, without `.js`) as in the documentation.
The support was added in the webpack config in #8928
2018-11-26 17:18:52 +01:00

40 lines
1.1 KiB
JavaScript

import Map from 'ol/Map';
import View from 'ol/View';
import {getCenter} from 'ol/extent';
import {Image as ImageLayer, Tile as TileLayer} from 'ol/layer';
import {transform} from 'ol/proj';
import Static from 'ol/source/ImageStatic';
import OSM from 'ol/source/OSM';
import {register} from 'ol/proj/proj4';
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
})
});