Table 2.

Results for angles characterizing the orientation in space of the c axis for the data shown in Fig. 4

Location and color of pixel	Ao	Bo	γ	χ
h = 472, v = 787 green	85	128	38°	90°
	A	B	γ	χ
h = 322, v = 516 purple	79	89	35°	56°
h = 232, v = 494 blue	70	93	39°	59°
h = 551, v = 209 gray	78	40	32°	34°

To obtain the values of χ, we assumed that the green pixel with the greatest intensity at EPU° = 0° had its c axis vertical and in plane.