return rectanglerdd version of the circlerdd . each record in rectanglerdd is the minimum bounding rectangle of the corresponding circle concode_field_sep JavaRDD<Circle> circleRDD concode_field_sep Envelope boundary concode_elem_sep PointRDD Center concode_elem_sep JavaRDD<Circle> getCircleRDD concode_elem_sep void setCircleRDD
RectangleRDD function ( ) { return new RectangleRDD ( this . getCircleRDD ( ) . map ( new Function < Circle , Envelope > ( ) { public Envelope call ( Circle arg0 ) { return arg0 . getMBR ( ) ; } } ) ) ; }