public synchronized void zoom(final Point2D p,double scale){
  m_itransform.transform(p,m_tmpPoint);
  zoomAbs(m_tmpPoint,scale);
}

public synchronized void zoom ( final Point2D p , double scale ) { m_itransform . transform ( p , m_tmpPoint ) ; zoomAbs ( m_tmpPoint , scale ) ; }
zooms the view provided by this display by the given scale , anchoring the zoom at the specified point in screen coordinates .
