Files
openlayers/examples/tissot.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

68 lines
1.5 KiB
JavaScript

import Feature from 'ol/Feature';
import Map from 'ol/Map';
import View from 'ol/View';
import {circular as circularPolygon} from 'ol/geom/Polygon';
import {Tile as TileLayer, Vector as VectorLayer} from 'ol/layer';
import TileWMS from 'ol/source/TileWMS';
import VectorSource from 'ol/source/Vector';
const vectorLayer4326 = new VectorLayer({
source: new VectorSource()
});
const vectorLayer3857 = new VectorLayer({
source: new VectorSource()
});
const map4326 = new Map({
layers: [
new TileLayer({
source: new TileWMS({
url: 'https://ahocevar.com/geoserver/wms',
params: {
'LAYERS': 'ne:NE1_HR_LC_SR_W_DR',
'TILED': true
}
})
}),
vectorLayer4326
],
target: 'map4326',
view: new View({
projection: 'EPSG:4326',
center: [0, 0],
zoom: 2
})
});
const map3857 = new Map({
layers: [
new TileLayer({
source: new TileWMS({
url: 'https://ahocevar.com/geoserver/wms',
params: {
'LAYERS': 'ne:NE1_HR_LC_SR_W_DR',
'TILED': true
}
})
}),
vectorLayer3857
],
target: 'map3857',
view: new View({
center: [0, 0],
zoom: 2
})
});
const radius = 800000;
let x, y;
for (x = -180; x < 180; x += 30) {
for (y = -90; y < 90; y += 30) {
const circle4326 = circularPolygon([x, y], radius, 64);
const circle3857 = circle4326.clone().transform('EPSG:4326', 'EPSG:3857');
vectorLayer4326.getSource().addFeature(new Feature(circle4326));
vectorLayer3857.getSource().addFeature(new Feature(circle3857));
}
}