creo4 Drawing Setup option documentation for: WITNESS_LINE_DELTA_RATIO 
(Only MBD)
modify_driving_dim_by_precision
Controls the modification of driving dimension when you update precision value.
yes* - Modifies the dimension value causing the model update.
no - Modifies only the displayed value of the dimension, without affecting the
model.
e arrow style of clipped dimensions.
|  The arrow style of the clipped dimensions changes only after you click Apply in the Options dialog
box. |