Nicolas recently answered a closely related question.
One solution should be to replace
#'($beg . $end)
by
(cons $beg $end)
/Mats
Trent Johnston wrote:
Sorry I should have been a bit more specific before...
I tried using
manBeam = #(define-music-function (parser location beg end) (number?
number?)
#{ \once \override Beam #'positions = #'($beg . $end) #} )
but whenever I try to use it
\manBeam #6 #6 --- I get or any other possible combinations
"ERROR: Wrong type (expecting real number): lilyvartmpb"
From what I can piece together from the documentation and the user-list I
think there is something more I need to do.. but can't figure that out.
Trent
----- Original Message -----
From: "Paul Scott" <[EMAIL PROTECTED]>
To: "Trent Johnston" <[EMAIL PROTECTED]>
Cc: <lilypond-user@gnu.org>
Sent: Friday, May 12, 2006 7:23 PM
Subject: Re: Using Scheme
| Trent Johnston wrote:
| > Thanks for your help Paul, but I was actually looking at Beam settings
| >
| > a way to simplify \once \override Beam #'positions = #'( number .
number )
| >
| I understood that.
| > I used the padText as an example but couldn't get it to work with the
above
| > example...
| >
| I didn't have a quick application like yours to test since haven't used
| beam settings but I was just trying to help you understand how variables
| work so you could create your 'posBeam' (or whatever you want to call
| it) definition from the padText example.
|
| A quick attempt (completely untested) would be
|
| posBeam = #(define-music-function (parser location num1 num2)
(number? number?)
| #{
| \once \override Beam #'position = #'( $num1 . $num2 )
| #})
|
| Without testing I don't know whether you would apply it as:
|
| \posBeam #3 #2
| or
| \posBeam ( #3 . #2 )
| or something different.
|
| Paul
|
|
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--
=============================================
Mats Bengtsson
Signal Processing
Signals, Sensors and Systems
Royal Institute of Technology
SE-100 44 STOCKHOLM
Sweden
Phone: (+46) 8 790 8463
Fax: (+46) 8 790 7260
Email: [EMAIL PROTECTED]
WWW: http://www.s3.kth.se/~mabe
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