47 lines
1.2 KiB
JavaScript
47 lines
1.2 KiB
JavaScript
import Map from '../src/ol/Map.js';
|
|
import View from '../src/ol/View.js';
|
|
import GeoJSON from '../src/ol/format/GeoJSON.js';
|
|
import {Tile as TileLayer, Vector as VectorLayer} from '../src/ol/layer.js';
|
|
import {OSM, Vector as VectorSource} from '../src/ol/source.js';
|
|
|
|
import {toPng} from 'html-to-image';
|
|
|
|
const map = new Map({
|
|
layers: [
|
|
new TileLayer({
|
|
source: new OSM()
|
|
}),
|
|
new VectorLayer({
|
|
source: new VectorSource({
|
|
url: 'data/geojson/countries.geojson',
|
|
format: new GeoJSON()
|
|
})
|
|
})
|
|
],
|
|
target: 'map',
|
|
view: new View({
|
|
center: [0, 0],
|
|
zoom: 2
|
|
})
|
|
});
|
|
|
|
// export options for html-to-image.
|
|
// See: https://github.com/bubkoo/html-to-image#options
|
|
const exportOptions = {
|
|
filter: function(element) {
|
|
return element.className.indexOf('ol-control') === -1;
|
|
}
|
|
};
|
|
|
|
document.getElementById('export-png').addEventListener('click', function() {
|
|
map.once('rendercomplete', function() {
|
|
toPng(map.getTargetElement(), exportOptions)
|
|
.then(function(dataURL) {
|
|
const link = document.getElementById('image-download');
|
|
link.href = dataURL;
|
|
link.click();
|
|
});
|
|
});
|
|
map.renderSync();
|
|
});
|