CODEWITHSUNDEEP
javascriptleafletreact-leaflet
amirhossein
amirhossein

Reputation: 371

Change leaflet map opacity outside circle of point

Geoapify search nearby places feature highlights the area that is located within the given result , i need to know how to add this feature to leaflet map so the given radius area containing nearby places is highlighted from another areas ,is there any solution to do this in react leaflet map ?

enter image description here

 useEffect(() => {
         const map = useMap();
         L.circle([lat, lng], { radius: 200 }).addTo(map);
      }, []);

    const Map = () => {
      return (
        <MapContainer 
          center={center} 
          minZoom={1} 
          zoomControl={false}
        >
          <TileLayer
            attribution='&copy; <a href="http://osm.org/copyright"></a> contributors'
            url="https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png"
          /> 
          
        </MapContainer>
      );
    };

Upvotes: 1

Views: 1197

Answers (1)

Falke Design
Falke Design

Reputation: 11348

A way would be to use L.Donut and draw a circle with hole around the marker:

L.marker(map.getCenter()).addTo(map);
var donut = L.donut(map.getCenter(),{
    radius: 20000000000000,
    innerRadius: 100,
    innerRadiusAsPercent: false,
    color: '#000',
    weight: 2,
}).addTo(map);

https://plnkr.co/edit/JX3VdzxnGXGoOerr

Upvotes: 3

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