Incidence matrix according to Dynkin symbol

oq ou&#h   → height = sqrt(3/2) = 1.224745
(pt || (q,u)-{4} – with h-lacings)

o. o.    | 1 * | 4 0 0 | 2 2 0
.o .o    | * 4 | 1 1 1 | 1 1 1
---------+-----+-------+------
oo oo&#h | 1 1 | 4 * * | 1 1 0	h-edges
.q ..    | 0 2 | * 2 * | 1 0 1	q-edges
.. .u    | 0 2 | * * 2 | 0 1 1	u-edges
---------+-----+-------+------
oq ..&#h | 1 2 | 2 1 0 | 2 * *	(qhh)
.. ou&#h | 1 2 | 2 0 1 | * 2 *	(uhh)
.q .u    | 0 4 | 0 2 2 | * * 1	(ququ)