nUnit

Flag that indicates whether the unit of measurement for the angle is degrees or radians. Possible values are:

Value

Meaning

ANN_ANGLE_DEGREES

Measure the angle in degrees. The default abbreviation for this unit is the degree sign.

ANN_ANGLE_RADIANS

Measure the angle in radians. The default abbreviation for this unit is "rad".

Either of the above values can be combined with ANN_ANGLE_DEF_ABBR [0x4000] to restore the default unit abbreviation.