size() of an attribute (number of used lines)
size() of an attribute (number of used lines)

david-cazier/CGoGN_2,untereiner/CGoGN_2,david-cazier/CGoGN_2,cgogn/CGoGN_2,cgogn/CGoGN_2,etienneschmitt/CGoGN_2,untereiner/CGoGN_2