|
![]() |
i
|
j
|
k
|
平面
|
方向 (Direction)
|
0
|
0
|
1
|
XY
|
CCW
|
0
|
0
|
–1
|
XY
|
CW
|
0
|
1
|
0
|
XY
|
CCW
|
0
|
—1
|
0
|
XY
|
CW
|
1
|
0
|
0
|
XY
|
CCW
|
—1
|
0
|
0
|
XY
|
CW
|