- 57 -
[Line]
(1) Horizontal line (In the case of |Y
2
- Y
1
| = 0)
(2) Vertical line (In the case of |X
2
- X
1
| = 0)
(3) Slant line A ( |X
2
- X
1
| ≤ |Y
2
- Y
1
| ) (4) Slant line B ( |X
2
- X
1
| > |Y
2
- Y
1
| )
(X
1
,Y
1
) (X
2
,Y
2
)
Line width
(X
1
,Y
1
)
(X
2
,Y
2
)
Line width
(X
1
,Y
1
)
(X
2
,Y
2
)
(X
1
,Y
1
)
(X
2
,Y
2
)
Line width
Line width
(X
1
,Y
1
)
(X
2
,Y
2
)
(X
1
,Y
1
)
(X
2
,Y
2
)
Line width
Line width