sets the default text orientation for ordinate dimensions (parallel to witness lines).
default and available settings
- parallel_to_and_centered_about_leader* - places the dimension text parallel to the leader line.
- parallel_to_and_above_leader - places the dimension text parallel to and above the leader line (jis standard).
- parallel_to_and_below_leader - places the dimension text parallel to and below the leader line (jis standard).
- horizontal - places the dimension text horizontally, parallel to the bottom of the drawing sheet.