Files
openlayers/examples/xyz-retina.js
2017-12-14 13:08:40 +01:00

37 lines
1.1 KiB
JavaScript

import _ol_Map_ from '../src/ol/Map.js';
import _ol_View_ from '../src/ol/View.js';
import _ol_layer_Tile_ from '../src/ol/layer/Tile.js';
import {transform, transformExtent} from '../src/ol/proj.js';
import _ol_source_OSM_ from '../src/ol/source/OSM.js';
import _ol_source_XYZ_ from '../src/ol/source/XYZ.js';
var mapMinZoom = 1;
var mapMaxZoom = 15;
var mapExtent = [-112.261791, 35.983744, -112.113981, 36.132062];
var map = new _ol_Map_({
target: 'map',
layers: [
new _ol_layer_Tile_({
source: new _ol_source_OSM_()
}),
new _ol_layer_Tile_({
extent: transformExtent(mapExtent, 'EPSG:4326', 'EPSG:3857'),
source: new _ol_source_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 _ol_View_({
projection: 'EPSG:3857',
center: transform([-112.18688965, 36.057944835],
'EPSG:4326', 'EPSG:3857'),
zoom: 12
})
});