return amount of corners in polygon concode_field_sep PlaceHolder placeHolder concode_field_sep double getAngleInPolygon concode_elem_sep double getAngleBetweenPoints concode_elem_sep Point getIntersection concode_elem_sep Point getIntersection
double function ( double arg0 , double arg1 ) { double loc0 = ( 2 * arg1 * arg1 - arg0 * arg0 ) / ( 2 * arg1 * arg1 ) ; double loc1 = Math . toDegrees ( Math . acos ( loc0 ) ) ; return 360 / loc1 ; }