center of the circle
radius of the circle
      
    
      
      
    
      
      
    
      
      
    
      
      
    
      center of the circle
      
    
      
      
    
      Is x contains in self
      
    
      
      
    
      
      
    
      
      
    
      
      
    
      NOT contains
NOT contains
      
    
      
      
    
      
      
    
      radius of the circle
      
    
      
      
    
      Get polygon of
      
    
      
      
    
      
      
    
      
      
    
      (Since version ) see corresponding Javadoc for more information.
An circle which on the 2d-sphere in radius of earth each point on the edge to center is radius
center of the circle
radius of the circle