Files
openlayers/rendering/cases/immediate-geographic/main.js

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JavaScript

import {Map, View} from '../../../src/ol/index.js';
import {Point} from '../../../src/ol/geom.js';
import TileLayer from '../../../src/ol/layer/Tile.js';
import {useGeographic} from '../../../src/ol/proj.js';
import XYZ from '../../../src/ol/source/XYZ.js';
import {Style, Circle, Fill} from '../../../src/ol/style.js';
import {getVectorContext} from '../../../src/ol/render.js';
useGeographic();
const center = [8.6, 50.1];
const layer = new TileLayer({
source: new XYZ({
url: '/data/tiles/satellite/{z}/{x}/{y}.jpg',
transition: 0
})
});
layer.on('postrender', event => {
const context = getVectorContext(event);
context.setStyle(new Style({
image: new Circle({
radius: 5,
fill: new Fill({color: 'red'})
})
}));
context.drawGeometry(new Point(center));
});
new Map({
target: 'map',
layers: [layer],
view: new View({
center: center,
zoom: 3
})
});
render();