20. The system of claim 8 , wherein the second string value comprises a third field and a fourth field that follows the third field, and wherein the third field correlates to the first field and the fourth field correlates to the second field.
8. The system of claim 7 , wherein the first string value comprises a first field, the first field including: a combination of the object reference and the first angle; and a second field that follows the first field, the second field comprising a combination of the object reference and the second angle.