90 lines
1.9 KiB
JavaScript
90 lines
1.9 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, RegularShape, Stroke, Style} from '../src/ol/style.js';
|
|
|
|
|
|
const stroke = new Stroke({color: 'black', width: 1});
|
|
|
|
const styles = {
|
|
'square': new Style({
|
|
image: new RegularShape({
|
|
fill: new Fill({color: 'blue'}),
|
|
stroke: stroke,
|
|
points: 4,
|
|
radius: 80,
|
|
angle: Math.PI / 4
|
|
})
|
|
}),
|
|
'triangle': new Style({
|
|
image: new RegularShape({
|
|
fill: new Fill({color: 'red'}),
|
|
stroke: stroke,
|
|
points: 3,
|
|
radius: 80,
|
|
rotation: Math.PI / 4,
|
|
angle: 0
|
|
})
|
|
}),
|
|
'star': new Style({
|
|
image: new RegularShape({
|
|
fill: new Fill({color: 'green'}),
|
|
stroke: stroke,
|
|
points: 5,
|
|
radius: 80,
|
|
radius2: 4,
|
|
angle: 0
|
|
})
|
|
})
|
|
};
|
|
|
|
|
|
function createLayer(coordinates, style, zIndex) {
|
|
const feature = new Feature(new Point(coordinates));
|
|
feature.setStyle(style);
|
|
|
|
const source = new VectorSource({
|
|
features: [feature]
|
|
});
|
|
|
|
const vectorLayer = new VectorLayer({
|
|
source: source
|
|
});
|
|
vectorLayer.setZIndex(zIndex);
|
|
|
|
return vectorLayer;
|
|
}
|
|
|
|
const layer0 = createLayer([40, 40], styles['star'], 0);
|
|
const layer1 = createLayer([0, 0], styles['square'], 1);
|
|
const layer2 = createLayer([0, 40], styles['triangle'], 0);
|
|
|
|
const layers = [];
|
|
layers.push(layer1);
|
|
layers.push(layer2);
|
|
|
|
const map = new Map({
|
|
layers: layers,
|
|
target: 'map',
|
|
view: new View({
|
|
center: [0, 0],
|
|
zoom: 18
|
|
})
|
|
});
|
|
|
|
layer0.setMap(map);
|
|
|
|
|
|
function bindInputs(id, layer) {
|
|
const idxInput = document.getElementById('idx' + id);
|
|
idxInput.onchange = function() {
|
|
layer.setZIndex(parseInt(this.value, 10) || 0);
|
|
};
|
|
idxInput.value = String(layer.getZIndex());
|
|
}
|
|
bindInputs(1, layer1);
|
|
bindInputs(2, layer2);
|