132 lines
3.2 KiB
JavaScript
132 lines
3.2 KiB
JavaScript
import Feature from '../src/ol/Feature.js';
|
|
import Map from '../src/ol/Map.js';
|
|
import Overlay from '../src/ol/Overlay.js';
|
|
import Point from '../src/ol/geom/Point.js';
|
|
import TileJSON from '../src/ol/source/TileJSON.js';
|
|
import VectorSource from '../src/ol/source/Vector.js';
|
|
import View from '../src/ol/View.js';
|
|
import {Icon, Style, Text} from '../src/ol/style.js';
|
|
import {Tile as TileLayer, Vector as VectorLayer} from '../src/ol/layer.js';
|
|
import {fromLonLat} from '../src/ol/proj.js';
|
|
import {getVectorContext} from '../src/ol/render.js';
|
|
|
|
const rasterLayer = new TileLayer({
|
|
source: new TileJSON({
|
|
url: 'https://a.tiles.mapbox.com/v3/aj.1x1-degrees.json?secure=1',
|
|
crossOrigin: '',
|
|
}),
|
|
});
|
|
|
|
const iconFeature = new Feature({
|
|
geometry: new Point(fromLonLat([0, -10])),
|
|
name: 'Fish.1',
|
|
});
|
|
|
|
const feature1 = new Feature({
|
|
geometry: new Point(fromLonLat([0, -10])),
|
|
name: 'Fish.1 Island',
|
|
});
|
|
|
|
const feature2 = new Feature({
|
|
geometry: new Point(fromLonLat([-30, 10])),
|
|
name: 'Fish.2 Island',
|
|
});
|
|
|
|
const iconStyle = new Style({
|
|
image: new Icon({
|
|
anchor: [0.5, 0.9],
|
|
src: 'data/fish.png',
|
|
crossOrigin: '',
|
|
scale: [0, 0],
|
|
rotation: Math.PI / 4,
|
|
}),
|
|
text: new Text({
|
|
text: 'FISH\nTEXT',
|
|
scale: [0, 0],
|
|
rotation: Math.PI / 4,
|
|
textAlign: 'center',
|
|
textBaseline: 'top',
|
|
}),
|
|
});
|
|
|
|
let i = 0;
|
|
let j = 45;
|
|
|
|
iconFeature.setStyle(function () {
|
|
const x = Math.sin((i * Math.PI) / 180) * 3;
|
|
const y = Math.sin((j * Math.PI) / 180) * 4;
|
|
iconStyle.getImage().setScale([x, y]);
|
|
iconStyle.getText().setScale([x, y]);
|
|
return iconStyle;
|
|
});
|
|
|
|
rasterLayer.on('postrender', function (event) {
|
|
const vectorContext = getVectorContext(event);
|
|
const x = Math.cos((i * Math.PI) / 180) * 3;
|
|
const y = Math.cos((j * Math.PI) / 180) * 4;
|
|
iconStyle.getImage().setScale([x, y]);
|
|
iconStyle.getText().setScale([x, y]);
|
|
vectorContext.drawFeature(feature2, iconStyle);
|
|
});
|
|
|
|
const vectorSource = new VectorSource({
|
|
features: [iconFeature, feature1, feature2],
|
|
});
|
|
|
|
const vectorLayer = new VectorLayer({
|
|
source: vectorSource,
|
|
});
|
|
|
|
const map = new Map({
|
|
layers: [rasterLayer, vectorLayer],
|
|
target: document.getElementById('map'),
|
|
view: new View({
|
|
center: fromLonLat([-15, 0]),
|
|
zoom: 3,
|
|
}),
|
|
});
|
|
|
|
setInterval(function () {
|
|
i = (i + 4) % 360;
|
|
j = (j + 5) % 360;
|
|
vectorSource.changed();
|
|
}, 1000);
|
|
|
|
const element = document.getElementById('popup');
|
|
|
|
const popup = new Overlay({
|
|
element: element,
|
|
positioning: 'bottom-center',
|
|
stopEvent: false,
|
|
});
|
|
map.addOverlay(popup);
|
|
|
|
// display popup on click
|
|
map.on('click', function (evt) {
|
|
const feature = map.forEachFeatureAtPixel(evt.pixel, function (feature) {
|
|
return feature;
|
|
});
|
|
$(element).popover('dispose');
|
|
if (feature) {
|
|
popup.setPosition(evt.coordinate);
|
|
$(element).popover({
|
|
placement: 'top',
|
|
html: true,
|
|
animation: false,
|
|
content: feature.get('name'),
|
|
});
|
|
$(element).popover('show');
|
|
}
|
|
});
|
|
|
|
// change mouse cursor when over marker
|
|
map.on('pointermove', function (e) {
|
|
const pixel = map.getEventPixel(e.originalEvent);
|
|
const hit = map.hasFeatureAtPixel(pixel);
|
|
map.getTarget().style.cursor = hit ? 'pointer' : '';
|
|
});
|
|
// Close the popup when the map is moved
|
|
map.on('movestart', function () {
|
|
$(element).popover('dispose');
|
|
});
|