fafcb65fff
as same behavior as #13074 Co-Authored-By: Andreas Hocevar <211514+ahocevar@users.noreply.github.com>
75 lines
1.7 KiB
JavaScript
75 lines
1.7 KiB
JavaScript
import Draw from '../src/ol/interaction/Draw.js';
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import Map from '../src/ol/Map.js';
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import Point from '../src/ol/geom/Point.js';
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import View from '../src/ol/View.js';
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import {Icon, Stroke, Style} from '../src/ol/style.js';
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import {OSM, Vector as VectorSource} from '../src/ol/source.js';
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import {Tile as TileLayer, Vector as VectorLayer} from '../src/ol/layer.js';
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import {get} from '../src/ol/proj.js';
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const raster = new TileLayer({
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source: new OSM(),
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});
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const source = new VectorSource();
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const styleFunction = function (feature) {
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const geometry = feature.getGeometry();
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const styles = [
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// linestring
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new Style({
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stroke: new Stroke({
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color: '#ffcc33',
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width: 2,
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}),
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}),
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];
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geometry.forEachSegment(function (start, end) {
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const dx = end[0] - start[0];
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const dy = end[1] - start[1];
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const rotation = Math.atan2(dy, dx);
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// arrows
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styles.push(
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new Style({
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geometry: new Point(end),
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image: new Icon({
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src: 'data/arrow.png',
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anchor: [0.75, 0.5],
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rotateWithView: true,
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rotation: -rotation,
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}),
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})
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);
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});
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return styles;
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};
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const vector = new VectorLayer({
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source: source,
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style: styleFunction,
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});
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// Limit multi-world panning to one world east and west of the real world.
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// Geometry coordinates have to be within that range.
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const extent = get('EPSG:3857').getExtent().slice();
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extent[0] += extent[0];
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extent[2] += extent[2];
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const map = new Map({
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layers: [raster, vector],
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target: 'map',
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view: new View({
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center: [-11000000, 4600000],
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zoom: 4,
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extent,
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}),
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});
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map.addInteraction(
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new Draw({
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source: source,
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type: 'LineString',
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})
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);
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