CosmeticEdge specifies an extra (cosmetic) edge in Views Create a clone of this CosmeticEdge Create a copy of this CosmeticEdge Change the appearance of this CometicEdge. edge.setFormat(style, color, weight, visible) returns the appearance attributes of this CometicEdge. returns tuple(style, color, weight, visible). Gives the tag of the CosmeticEdge as string.