97 lines
2.1 KiB
JavaScript
97 lines
2.1 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 _ol_style_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 _ol_style_RegularShape_({
|
|
fill: fill,
|
|
stroke: stroke,
|
|
points: 4,
|
|
radius: 10,
|
|
angle: Math.PI / 4
|
|
})
|
|
}),
|
|
'triangle': new Style({
|
|
image: new _ol_style_RegularShape_({
|
|
fill: fill,
|
|
stroke: stroke,
|
|
points: 3,
|
|
radius: 10,
|
|
rotation: Math.PI / 4,
|
|
angle: 0
|
|
})
|
|
}),
|
|
'star': new Style({
|
|
image: new _ol_style_RegularShape_({
|
|
fill: fill,
|
|
stroke: stroke,
|
|
points: 5,
|
|
radius: 10,
|
|
radius2: 4,
|
|
angle: 0
|
|
})
|
|
}),
|
|
'cross': new Style({
|
|
image: new _ol_style_RegularShape_({
|
|
fill: fill,
|
|
stroke: stroke,
|
|
points: 4,
|
|
radius: 10,
|
|
radius2: 0,
|
|
angle: 0
|
|
})
|
|
}),
|
|
'x': new Style({
|
|
image: new _ol_style_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
|
|
})
|
|
});
|