code: public static final void translate (Group group, Vector3d v) {
  
  		for (Atom atom : group.getAtoms()) {
  			translate(atom,v);
  		}
  		for (Group altG : group.getAltLocs()) {
  			translate(altG, v);
  		}
  	}
docs: Translates a group object, given a Vector3d (i.e. the vecmath library
  double-precision 3-d vector)
  
  @param group
  @param v