Shows how to add navigation controls.
This example shows how to use the ol/control/ZoomToExtent
control.
The following navigation controls are added to the map:
ol/control/Zoom
(added by default)ol/control/ZoomToExtent
import 'ol/ol.css';
import Map from 'ol/Map';
import OSM from 'ol/source/OSM';
import TileLayer from 'ol/layer/Tile';
import View from 'ol/View';
import {ZoomToExtent, defaults as defaultControls} from 'ol/control';
const map = new Map({
controls: defaultControls().extend([
new ZoomToExtent({
extent: [
813079.7791264898, 5929220.284081122, 848966.9639063801,
5936863.986909639,
],
}),
]),
layers: [
new TileLayer({
source: new OSM(),
}),
],
target: 'map',
view: new View({
center: [0, 0],
zoom: 2,
}),
});
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Navigation Controls</title>
<!-- Pointer events polyfill for old browsers, see https://caniuse.com/#feat=pointer -->
<script src="https://unpkg.com/elm-pep"></script>
<!-- The line below is only needed for old environments like Internet Explorer and Android 4.x -->
<script src="https://cdn.polyfill.io/v3/polyfill.min.js?features=fetch,requestAnimationFrame,Element.prototype.classList,URL,TextDecoder,Number.isInteger"></script>
<style>
.map {
width: 100%;
height:400px;
}
</style>
</head>
<body>
<div id="map" class="map"></div>
<script src="main.js"></script>
</body>
</html>
{
"name": "navigation-controls",
"dependencies": {
"ol": "6.6.1"
},
"devDependencies": {
"parcel": "^2.0.0-beta.1"
},
"scripts": {
"start": "parcel index.html",
"build": "parcel build --public-url . index.html"
}
}