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| import Feature from 'ol/Feature.js';
import Map from 'ol/Map.js';
import Point from 'ol/geom/Point.js';
import View from 'ol/View.js';
import {Icon, Style} from 'ol/style.js';
import {Stamen, Vector as VectorSource} from 'ol/source.js';
import {Tile as TileLayer, Vector as VectorLayer} from 'ol/layer.js';
const iconFeature = new Feature({
geometry: new Point([0, 0]),
});
const vectorSource = new VectorSource({
features: [iconFeature],
});
const vectorLayer = new VectorLayer({
source: vectorSource,
});
const rasterLayer = new TileLayer({
source: new Stamen({
layer: 'toner',
}),
});
const map = new Map({
layers: [rasterLayer, vectorLayer],
target: document.getElementById('map'),
view: new View({
center: [0, 0],
zoom: 2,
}),
});
const gifUrl = 'data/globe.gif';
const gif = gifler(gifUrl);
gif.frames(
document.createElement('canvas'),
function (ctx, frame) {
if (!iconFeature.getStyle()) {
iconFeature.setStyle(
new Style({
image: new Icon({
img: ctx.canvas,
imgSize: [frame.width, frame.height],
opacity: 0.8,
}),
})
);
}
ctx.clearRect(0, 0, frame.width, frame.height);
ctx.drawImage(frame.buffer, frame.x, frame.y);
map.render();
},
true
);
map.on('pointermove', function (e) {
const pixel = map.getEventPixel(e.originalEvent);
const hit = map.hasFeatureAtPixel(pixel);
map.getTarget().style.cursor = hit ? 'pointer' : '';
});
|
)
