Rick Hansen (aka RickH) wrote:
> How can I pass a variable into the "magstep" function?
>
> The following fails on a parser error, the log ends with "parsing...". I
> would like to be able to pass a scaling factor into my template along with
> all the notes variables. When I hard-code -3 into the template it works
> fine, but when I try to use the variable called "varMyScaleFactor" it fails.
> I'm not a scheme programmer, so this should be a simple syntax question (I
> hope).
>
>
> % Song file follows...
> \include "english.ly"
>
> varMyScaleFactor = #-3
> varMyNotes = \relative c {
> c4 c c c |
> c4 c c c |
> c4 c c c |
> c4 c c c |
> }
> varMyTitle = "My Fish Freddy"
>
>
>
> % Template file follows...
>
> #(set-global-staff-size 20)
>
> \header {
> title = \varMyTitle
> }
>
> <<
> \new Staff
> \with
> {
> fontSize = \varMyScaleFactor
> \override StaffSymbol #'staff-space = #(magstep \varMyScaleFactor)
> }
> {
> \clef treble
> \varMyNotes
> }
> >>
>
Inside Scheme code - here in the magstep call -, use no backslash, the
variable name is enough:
\override StaffSymbol #'staff-space = #(magstep varMyScaleFactor)
The rest of your code is correct; note that you can also define
varMyScaleFactor like this:
#(define varMyScaleFactor -3)
Cheers,
--
John Mandereau <[EMAIL PROTECTED]>
_______________________________________________
lilypond-user mailing list
lilypond-user@gnu.org
http://lists.gnu.org/mailman/listinfo/lilypond-user
