Files
openlayers/examples/xyz-retina.js
Tim Schaub ad62739a6e Use blocked scoped variables
In addition to using const and let, this also upgrades our linter config and removes lint (mostly whitespace).
2018-01-12 00:50:30 -07:00

37 lines
1.1 KiB
JavaScript

import Map from '../src/ol/Map.js';
import View from '../src/ol/View.js';
import TileLayer from '../src/ol/layer/Tile.js';
import {transform, transformExtent} from '../src/ol/proj.js';
import OSM from '../src/ol/source/OSM.js';
import XYZ from '../src/ol/source/XYZ.js';
const mapMinZoom = 1;
const mapMaxZoom = 15;
const mapExtent = [-112.261791, 35.983744, -112.113981, 36.132062];
const map = new Map({
target: 'map',
layers: [
new TileLayer({
source: new OSM()
}),
new TileLayer({
extent: transformExtent(mapExtent, 'EPSG:4326', 'EPSG:3857'),
source: new XYZ({
attributions: 'Tiles © USGS, rendered with ' +
'<a href="http://www.maptiler.com/">MapTiler</a>',
url: 'https://tileserver.maptiler.com/grandcanyon@2x/{z}/{x}/{y}.png',
tilePixelRatio: 2, // THIS IS IMPORTANT
minZoom: mapMinZoom,
maxZoom: mapMaxZoom
})
})
],
view: new View({
projection: 'EPSG:3857',
center: transform([-112.18688965, 36.057944835],
'EPSG:4326', 'EPSG:3857'),
zoom: 12
})
});