True ("true" or "1") indicates that the well surface
point is the origin of this CRS.
False ("false" or "0") or not given indicates otherwise.
A pointer to the reference point that is the origin
of this CRS.
A textual description of the origin.
The angle of the Y axis from North (as described
in attribute northDirection). Defaults to zero. Positive clockwise.
A free-form description of the Y axis.
Examples would be 'parallel to the west side of the platform', or
'along the main entry road'.
True ("true" or "1") indicates that the X axis is rotated
counter-clockwise from the Y axis when viewed from above the earth looking down.
False ("false" or "0") or not given indicates a clockwise rotation.
Generally the X axis is rotated clockwise.