Descriptor : Position of nostrils (index)
index = A/B
with A : distance from anterior eye margin to middle of nostril;
and B : distance from middle of the nostril to tip of the snout.
List of states
[1.7 - 1.8[
-
[1.8 - 2[
-
[2- 2.2[
-
[2.2 - 2.4[
-
[2.4 - 2.6[
-
[2.6 - 2.7[
-
[2.7 - 2.9[
-
[2.9 - 3.1[
-
[3.1 - 3.3[
-
[3.3 - 3.5]
-