Display multiple maps that share the same layer.
import { MapControls } from 'three/examples/jsm/controls/MapControls.js';
import Extent from '@giro3d/giro3d/core/geographic/Extent.js';
import Instance from '@giro3d/giro3d/core/Instance.js';
import ColorLayer from '@giro3d/giro3d/core/layer/ColorLayer.js';
import Map from '@giro3d/giro3d/entities/Map.js';
import Inspector from '@giro3d/giro3d/gui/Inspector.js';
import StadiaMaps from 'ol/source/StadiaMaps.js';
import TiledImageSource from '@giro3d/giro3d/sources/TiledImageSource.js';
import StatusBar from './widgets/StatusBar.js';
// Defines geographic extent: CRS, min/max X, min/max Y
const extent = new Extent(
'EPSG:3857',
-20037508.342789244, 20037508.342789244,
-20037508.342789244, 20037508.342789244,
);
// `viewerDiv` will contain giro3d' rendering area (the canvas element)
const viewerDiv = document.getElementById('viewerDiv');
// Creates a giro3d instance
const instance = new Instance(viewerDiv, {
crs: extent.crs(),
renderer: {
clearColor: 0x0a3b59,
},
});
// Adds an TMS imagery layer
const layer = new ColorLayer(
'osm',
{
source: new TiledImageSource({ source: new StadiaMaps({ layer: 'stamen_watercolor', wrapX: false }) }),
},
);
let index = 0;
const promises = [];
for (const ex of extent.split(8, 8)) {
const mapExtent = ex.withRelativeMargin(-0.05);
// Creates a map that will contain the layer
const map = new Map(`planar ${index++}`, { extent: mapExtent });
instance.add(map);
const promise = map.addLayer(layer).catch(e => console.error(e));
promises.push(promise);
}
Promise.allSettled(promises).then(() => {
// Instanciates camera
instance.camera.camera3D.position.set(0, 0, 25000000);
// Instanciates controls
const controls = new MapControls(instance.camera.camera3D, instance.domElement);
instance.useTHREEControls(controls);
Inspector.attach(document.getElementById('panelDiv'), instance);
StatusBar.bind(instance);
});