1 | goog.require('ol.Map');
|
2 | goog.require('ol.View');
|
3 | goog.require('ol.layer.Tile');
|
4 | goog.require('ol.source.XYZ');
|
5 |
|
6 | var urls = [
|
7 | 'https://{a-c}.tiles.mapbox.com/v3/mapbox.blue-marble-topo-jan/{z}/{x}/{y}.png',
|
8 | 'https://{a-c}.tiles.mapbox.com/v3/mapbox.blue-marble-topo-bathy-jan/{z}/{x}/{y}.png',
|
9 | 'https://{a-c}.tiles.mapbox.com/v3/mapbox.blue-marble-topo-jul/{z}/{x}/{y}.png',
|
10 | 'https://{a-c}.tiles.mapbox.com/v3/mapbox.blue-marble-topo-bathy-jul/{z}/{x}/{y}.png'
|
11 | ];
|
12 |
|
13 | var source = new ol.source.XYZ();
|
14 |
|
15 | var map = new ol.Map({
|
16 | target: 'map',
|
17 | layers: [
|
18 | new ol.layer.Tile({
|
19 | source: source
|
20 | })
|
21 | ],
|
22 | view: new ol.View({
|
23 | center: [0, 0],
|
24 | zoom: 2
|
25 | })
|
26 | });
|
27 |
|
28 |
|
29 | function updateUrl(index) {
|
30 | source.setUrl(urls[index]);
|
31 | }
|
32 |
|
33 | var buttons = document.getElementsByClassName('switcher');
|
34 | for (var i = 0, ii = buttons.length; i < ii; ++i) {
|
35 | var button = buttons[i];
|
36 | button.addEventListener('click', updateUrl.bind(null, Number(button.value)));
|
37 | }
|
38 |
|
39 | updateUrl(0);
|