Table 11 Letters and their corresponding meanings

From: A color prediction model for mending materials of the Yuquan Iron Pagoda in China based on machine learning

Letter

Meaning of letter

A1

The area within the red circle in Fig. 13a, b

A2

The area within the red circle in Fig. 13c, d

A3

The area within the red circle in Fig. 13e, f

B1

The area between the red circle and the green circle in Fig. 13a, b

B2

The area between the red circle and the green circle in Fig. 13c, d

B3

The area between the red circle and the green circle in Fig. 13e, f

W1.1

A point within the area A1 in Fig. 13a

W1.2

A point within the area A1 in Fig. 13a

W1.3

A point within the area A1 in Fig. 13a

W2.1

A point within the area A2 in Fig. 13c

W2.2

A point within the area A2 in Fig. 13c

W2.3

A point within the area A2 in Fig. 13c

W3.1

A point within the area A3 in Fig. 13e

W3.2

A point within the area A3 in Fig. 13e

W3.3

A point within the area A3 in Fig. 13e

P1.1

A point within the area B1 in Fig. 13a

P1.2

A point within the area B1 in Fig. 13a

P1.3

A point within the area B1 in Fig. 13a

P2.1

A point within the area B2 in Fig. 13c

P2.2

A point within the area B2 in Fig. 13c

P2.3

A point within the area B2 in Fig. 13c

P3.1

A point within the area B3 in Fig. 13e

P3.2

A point within the area B3 in Fig. 13e

P3.3

A point within the area B3 in Fig. 13e

NA1

Mending materials required for area A1

NA2

Mending materials required for area A2

NA3

Mending materials required for area A3

EB

The E-value of the area B

EDatabase

The E-value in the database

ENA

The E-value of the mending material NA

DA

Diameter of area A

DB

Diameter of area B