isPointInCircle
Checks if a point is within a circular radius from a center point.
lat(required): point latitudelon(required): point longitudecenterLat(required): circle center latitudecenterLon(required): circle center longituderadiusKm(required): radius in kilometers
utlx
{
inRange: isPointInCircle($input.lat, $input.lon, 52.3676, 4.9041, 10),
nearStore: isPointInCircle($input.userLat, $input.userLon, $input.storeLat, $input.storeLon, 5)
}