public SVGPath relativeEllipticalArc(double[] rxy, double ar, double la, double sp, double[] xy) {
    return append(PATH_ARC_RELATIVE).append(rxy[0]).append(rxy[1]).append(ar).append(la).append(sp).append(xy[0]).append(xy[1]);
  }
public SVGPath relativeEllipticalArc ( double [ ] rxy , double ar , double la , double sp , double [ ] xy ) { return append ( PATH_ARC_RELATIVE ) . append ( rxy [ 0 ] ) . append ( rxy [ 1 ] ) . append ( ar ) . append ( la ) . append ( sp ) . append ( xy [ 0 ] ) . append ( xy [ 1 ] ) ; }
Elliptical arc curve to the given relative coordinates.

@param rxy radius
@param ar x-axis-rotation
@param la large arc flag, if angle &gt;= 180 deg
@param sp sweep flag, if arc will be drawn in positive-angle direction
@param xy new coordinates