Files
openlayers/examples/mousewheel-zoom.js

27 lines
732 B
JavaScript

import Map from '../src/ol/Map.js';
import View from '../src/ol/View.js';
import {defaults as defaultInteractions, MouseWheelZoom} from '../src/ol/interaction.js';
import {focus} from '../src/ol/events/condition.js';
import TileLayer from '../src/ol/layer/Tile.js';
import OSM from '../src/ol/source/OSM.js';
const map = new Map({
interactions: defaultInteractions({mouseWheelZoom: false}).extend([
new MouseWheelZoom({
constrainResolution: true, // force zooming to a integer zoom
condition: focus // only wheel/trackpad zoom when the map has the focus
})
]),
layers: [
new TileLayer({
source: new OSM()
})
],
target: 'map',
view: new View({
center: [0, 0],
zoom: 2
})
});