public void expandToIntegerLimits(){
  clip[0]=Math.floor(clip[0]);
  clip[1]=Math.floor(clip[1]);
  clip[6]=Math.ceil(clip[6]);
  clip[7]=Math.ceil(clip[7]);
}

public void expandToIntegerLimits ( ) { clip [ 0 ] = Math . floor ( clip [ 0 ] ) ; clip [ 1 ] = Math . floor ( clip [ 1 ] ) ; clip [ 6 ] = Math . ceil ( clip [ 6 ] ) ; clip [ 7 ] = Math . ceil ( clip [ 7 ] ) ; }
minimally expand the clip such that each coordinate is an integer .
