上下影

阳长下影线:(O-L)/O>0.06ANDC>O;

阴长下影线:(C-L)/C>0.06ANDC
阳长上影线:(H-C)/C>0.06ANDC>O;

阴长上影线:(H-O)/O>0.06ANDC
光头阳长下影线:C=HAND(O-L)/O>0.06ANDC>O;

光脚阴长上影线:C=LAND(H-O)/O>0.06ANDC
白色十字星:C=OANDH>CANDC>L;