react-leaflet#ImageOverlay JavaScript Examples

The following examples show how to use react-leaflet#ImageOverlay. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: MapComponent.jsx    From Website with MIT License 5 votes vote down vote up 
export default function TestMap() {
	const click = (e) => {
		console.info(e.latlng);
	};

	const [allExhibitors, setAllExhibitors] = useState([]);
	const [searchedExhibitors, setSearchedExhibitors] = useState([]);

	useEffect(() => {
		const loadExhibitors = async () => {
			if (allExhibitors.length > 0) return;
			const response = await fetch(
				"https://p18.jexpo.se/larv/exhibitors?getAttributes=true&filter=[%22workspace:2020%22,%22published:true%22]",
			);
			if (response.ok) {
				const json = await response.json();
				const sorted = json.results.sort((a, b) => {
					return a.name.toUpperCase() > b.name.toUpperCase() ? 1 : -1;
				});
				setAllExhibitors(sorted);

				//TEMP
				const placedExhibitors = sorted.filter((e) => {
					return e?.profile?.booth;
				});
				setSearchedExhibitors(placedExhibitors);
			} else {
				alert("Fetching exhibitors error");
			}
		};
		loadExhibitors();
	}, [allExhibitors.length]);

	const getCoordinates = (booth) => {
		const c = coordinates[booth];
		const ca = [c.lat, c.lng];
		return ca;
	};

	return (
		<Map center={[65.617721, 22.14452]} zoom={18} onClick={click} maxZoom={21}>
			<TileLayer
				attribution='&amp;copy <a href="http://osm.org/copyright">OpenStreetMap</a> contributors'
				url="https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png"
			/>
			<ImageOverlay
				url={fairArea}
				bounds={[
					[65.618571, 22.1426872],
					[65.616855, 22.145657],
				]}
			/>
			{searchedExhibitors.map((exhibitor) => (
				<Marker
					key={exhibitor.id}
					position={getCoordinates(exhibitor.profile.booth)}
					icon={transparentIcon}
				>
					<Popup>{exhibitor.name}</Popup>
				</Marker>
			))}
		</Map>
	);
}