INVALID = 6
INTERIOR = 7
BOUNDARY = 8
SAME_OBJECT = 9
OTHER_OBJECT = 10
NO_OBJECT = 11
RUBBERBAND_SELECTION = 12
VALID 			= 13

ITEM 					= 0
CONNECTOR				= 1
CONNECTION				= 2
EMPTY					= 3
COMPARTMENT 			= 14
COMPARTMENT_BOUNDARY 	= 4
COMPARTMENT_INTERIOR   	= 5
