code: public static Atom getTranslationVector(Matrix4d transform){
  
  		Atom transl = new AtomImpl();
  		double[] coords = {transform.m03, transform.m13, transform.m23};
  		transl.setCoords(coords);
  		return transl;
  	}
docs: Extract the translational vector as an Atom of a transformation matrix.
  
  @param transform
  Matrix4d
  @return Atom shift vector