typedef enum { AXIS_UNCHANGED, AXIS_POSITIVE_X, AXIS_POSITIVE_Y, AXIS_POSITIVE_Z, AXIS_NEGATED, AXIS_NEGATIVE_X, AXIS_NEGATIVE_Y, AXIS_NEGATIVE_Z } CTL_AXIS_TRANSFORMATION;
CTL_AXIS_TRANSFORMATION describes the generates an axis transform by specifying the individual transformations for the x, y, and z axes.