Based on the origin

Based on the tool geometry

Based on the last point entered

Based on the tool nose radius

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