/**
 * Circle with center in the origin of coordinates.
 * Center is therefore not handled by this interface.
 * 
 * @author Radek Oslejsek, oslejsek@fi.muni.cz
 * @version 09-10-28
 */
public interface Circle extends Object2D
{
    /**
     * Returns diameter.
     * 
     * @return diameter
     */
    double getDiameter();
}