Re: Scheme question

[Han-Wen Nienhuys]

Rick Hansen (aka RickH) schreef:
> I would like to "dynamically generate" values for the following 3 hard-coded
> properties based on a rule, and the current default paper size, but I dont
> know scheme:
>
>         paper-height = 11.0\in
>         paper-width = 8.5\in
>         line-width = 7.7\in
>
> So basically how would I code the above hard coded values to be math
> expressions based on the following rule:
>
> I always want my left and right margins to be .4 inches.
>
> So the formula for line with would be (default paper width - .8)
>
> The formula for paper-height and paper-width would be whatever the default
> paper currently is, but I dont know how to set it from those values.

this is possible in CVS by doing

\paper {
  right-margin = #(* 5 cm)
  left-margin = #(*  5 cm)
  #(set-paper-size "a4")
}


--

Han-Wen Nienhuys - address@hidden - http://www.xs4all.nl/~hanwen

LilyPond Software Design
 -- Code for Music Notation
http://www.lilypond-design.com