Pole as 'O' and polar axis as 'L' angle

Pole as X and axis as Y

Pole as Z and axis as C

Pole as B and axis as C

By letter 'O'

By letter 'X'

By letter 'Y'

By letter 'B'

In the direction of origin only

In longitudinal direction

In cross sectional direction only

A pair of numerical coordinates

2 axes

4 axes

3 axes

5 axes

1.2

0.9

1

5% only