Files
openlayers/examples/topojson.js
2018-04-24 09:37:27 -06:00

47 lines
1.1 KiB
JavaScript

import Map from '../src/ol/Map.js';
import View from '../src/ol/View.js';
import TopoJSON from '../src/ol/format/TopoJSON.js';
import {Tile as TileLayer, Vector as VectorLayer} from '../src/ol/layer.js';
import TileJSON from '../src/ol/source/TileJSON.js';
import VectorSource from '../src/ol/source/Vector.js';
import {Fill, Stroke, Style} from '../src/ol/style.js';
const raster = new TileLayer({
source: new TileJSON({
url: 'https://api.tiles.mapbox.com/v3/mapbox.world-dark.json?secure'
})
});
const style = new Style({
fill: new Fill({
color: 'rgba(255, 255, 255, 0.6)'
}),
stroke: new Stroke({
color: '#319FD3',
width: 1
})
});
const vector = new VectorLayer({
source: new VectorSource({
url: 'data/topojson/world-110m.json',
format: new TopoJSON({
// don't want to render the full world polygon (stored as 'land' layer),
// which repeats all countries
layers: ['countries']
}),
overlaps: false
}),
style: style
});
const map = new Map({
layers: [raster, vector],
target: 'map',
view: new View({
center: [0, 0],
zoom: 1
})
});