itemForPolygon(overlay, geoJSON)

Declaration

itemForPolygon?(
        overlay: PolygonOverlay,
        geoJSON: GeoJSONTypes.Polygon,
    ): PolygonOverlay | null;

Parameters

• overlay:

  You can customize the provided overlay before returning it, or you can completely replace the overlay.

• geoJSON:

  The original GeoJSON object for the polygon.

Return Value

A map item or an array of map items.

Discussion

MapKit JS calls this method for each individual polygon geometry object. The framework breaks MultiPolygon geometry types into individual polygon types.

See Also

Overriding items

• itemForFeature(item, geoJSON)
• itemForFeatureCollection(itemCollection, geoJSON)
• itemForLineString(overlay, geoJSON)
• itemForMultiLineString(itemCollection, geoJSON)
• itemForPoint(coordinate, geoJSON)
• itemForMultiPoint(itemCollection, geoJSON)
• itemForMultiPolygon(itemCollection, geoJSON)
• styleForOverlay(overlay, geoJSON)