Example of some Regular Shape styles.
<!DOCTYPE html>
<html>
<head>
<title>Regular Shapes</title>
<link rel="stylesheet" href="https://openlayers.org/en/v5.3.0/css/ol.css" type="text/css">
<!-- The line below is only needed for old environments like Internet Explorer and Android 4.x -->
<script src="https://cdn.polyfill.io/v2/polyfill.min.js?features=requestAnimationFrame,Element.prototype.classList,URL"></script>
</head>
<body>
<div id="map" class="map"></div>
<script>
import Feature from 'ol/Feature.js';
import Map from 'ol/Map.js';
import View from 'ol/View.js';
import Point from 'ol/geom/Point.js';
import VectorLayer from 'ol/layer/Vector.js';
import VectorSource from 'ol/source/Vector.js';
import {Fill, RegularShape, Stroke, Style} from 'ol/style.js';
var stroke = new Stroke({color: 'black', width: 2});
var fill = new Fill({color: 'red'});
var styles = {
'square': new Style({
image: new RegularShape({
fill: fill,
stroke: stroke,
points: 4,
radius: 10,
angle: Math.PI / 4
})
}),
'triangle': new Style({
image: new RegularShape({
fill: fill,
stroke: stroke,
points: 3,
radius: 10,
rotation: Math.PI / 4,
angle: 0
})
}),
'star': new Style({
image: new RegularShape({
fill: fill,
stroke: stroke,
points: 5,
radius: 10,
radius2: 4,
angle: 0
})
}),
'cross': new Style({
image: new RegularShape({
fill: fill,
stroke: stroke,
points: 4,
radius: 10,
radius2: 0,
angle: 0
})
}),
'x': new Style({
image: new RegularShape({
fill: fill,
stroke: stroke,
points: 4,
radius: 10,
radius2: 0,
angle: Math.PI / 4
})
})
};
var styleKeys = ['x', 'cross', 'star', 'triangle', 'square'];
var count = 250;
var features = new Array(count);
var e = 4500000;
for (var i = 0; i < count; ++i) {
var coordinates = [2 * e * Math.random() - e, 2 * e * Math.random() - e];
features[i] = new Feature(new Point(coordinates));
features[i].setStyle(styles[styleKeys[Math.floor(Math.random() * 5)]]);
}
var source = new VectorSource({
features: features
});
var vectorLayer = new VectorLayer({
source: source
});
var map = new Map({
layers: [
vectorLayer
],
target: 'map',
view: new View({
center: [0, 0],
zoom: 2
})
});
</script>
</body>
</html>