Apple Logic Pro 9 - Manual (Page 1253)

Layout Settings
The Layout pane is where you can define a number of display settings for the whole
project, such as staff line thickness, stem length, distance between notes and ties, or
notes and dots, and so on.
Line Thickness Settings
• Line Thickness parameters: This group of parameters determines the line thickness of
the following objects: staff lines, stems, ledger lines, bar lines, repeat and end lines,
tuplet brackets, text boxes (for boxed text styles), crescendi/decrescendi (also affects
line objects and arrows), ties, and slurs.
1253 Chapter 43 Project Settings in Logic Pro