Files
openlayers/examples/regularshape.js
2018-01-11 13:26:51 -07:00

97 lines
2.0 KiB
JavaScript

import Feature from '../src/ol/Feature.js';
import Map from '../src/ol/Map.js';
import View from '../src/ol/View.js';
import Point from '../src/ol/geom/Point.js';
import VectorLayer from '../src/ol/layer/Vector.js';
import VectorSource from '../src/ol/source/Vector.js';
import Fill from '../src/ol/style/Fill.js';
import RegularShape from '../src/ol/style/RegularShape.js';
import Stroke from '../src/ol/style/Stroke.js';
import Style from '../src/ol/style/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
})
});