Re: Trying to replicate an obscure pedal marking from a ~1919 score...

2014-12-22 Thread Kieren MacMillan
Hi Ted,

 I'm curious if this is a style that lilypond can support.

You can have the pedal line be a line drawing of Grumpy Cat if you want.  ;)
In other words: yes, this is a style [of pedal bracket] that Lilypond can 
support.

Cheers,
Kieren.
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www:  http://www.kierenmacmillan.info
email:  i...@kierenmacmillan.info


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Re: Trying to replicate an obscure pedal marking from a ~1919 score...

2014-12-22 Thread David Nalesnik
Hi,

On Mon, Dec 22, 2014 at 8:54 AM, Kieren MacMillan 
kieren_macmil...@sympatico.ca wrote:

 Hi Ted,

  I'm curious if this is a style that lilypond can support.

 You can have the pedal line be a line drawing of Grumpy Cat if you want.
 ;)
 In other words: yes, this is a style [of pedal bracket] that Lilypond can
 support.

 Cheers,
 Kieren.


I always thought the traditional Ped. looked a bit like an elephant...

Anyway, yes, Kieren's right.  You can replace the drawing with whatever
you'd like.  You'd simply need to come up with a replacement stencil
function.  There will be a bit of complication for markings that stretch
across system breaks, but that's also doable.

Maybe later today I'll get a chance to work something out--something
similar to get you started.

David
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Re: Trying to replicate an obscure pedal marking from a ~1919 score...

2014-12-22 Thread Ted Lemon
On Dec 22, 2014, at 10:04 AM, David Nalesnik david.nales...@gmail.com wrote:
 I always thought the traditional Ped. looked a bit like an elephant...

Heh!  Yes, I can see that.   Or perhaps like a Snuffleupagus, if that reference 
makes any sense to you.

 Anyway, yes, Kieren's right.  You can replace the drawing with whatever you'd 
 like.  You'd simply need to come up with a replacement stencil function.  
 There will be a bit of complication for markings that stretch across system 
 breaks, but that's also doable.

In this particular piece they do not, although the vertical tics on either and 
do actually adjust relative to the music on the staff, similarly to slurs.

 Maybe later today I'll get a chance to work something out--something similar 
 to get you started.

If you happen to have time I would be interested and grateful, but please don't 
let my obscure inquiry sidetrack you if you have better things to do this 
afternoon!   :)


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Re: Trying to replicate an obscure pedal marking from a ~1919 score...

2014-12-22 Thread PMA

Kieren MacMillan wrote:
 You can have the pedal line be a line drawing of Grumpy Cat if you 
want.  ;)


As a 6-year-old budding pianist I thought, seriously,
that the Ped. must be a cocker spaniel.  (Our best
friends had one.)  If I had to read this as a pedalling
direction, well, fair enough.  But I recall asking my
dad, Why did they write a cocker spaniel to make
me put the pedal down?

Thanks for the memory!
Pete

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Re: Trying to replicate an obscure pedal marking from a ~1919 score...

2014-12-22 Thread David Nalesnik
Hi Ted,

On Mon, Dec 22, 2014 at 9:16 AM, Ted Lemon mel...@fugue.com wrote:

 On Dec 22, 2014, at 10:04 AM, David Nalesnik david.nales...@gmail.com
 wrote:
  I always thought the traditional Ped. looked a bit like an elephant...

 Heh!  Yes, I can see that.   Or perhaps like a Snuffleupagus, if that
 reference makes any sense to you.


sure does!



  Anyway, yes, Kieren's right.  You can replace the drawing with whatever
 you'd like.  You'd simply need to come up with a replacement stencil
 function.  There will be a bit of complication for markings that stretch
 across system breaks, but that's also doable.

 In this particular piece they do not, although the vertical tics on either
 and do actually adjust relative to the music on the staff, similarly to
 slurs.


  Maybe later today I'll get a chance to work something out--something
 similar to get you started.

 If you happen to have time I would be interested and grateful, but please
 don't let my obscure inquiry sidetrack you if you have better things to do
 this afternoon!   :)


It's fun to work these things out.  Besides, I always learn something, and
possibly my answer can help somebody with something less obscure.

This gives you the shape in the original (minus the odd little horizontal
jog at the left end--whatever does that mean?)  It will behave rationally
over line-breaks, too.  (You can see what happens by uncommenting the
breaks in the first example.)

The slant of the jogs at the ends is hard-coded.  Sorry.  You can of course
change the line
(flare '(0.25 . 0.25))
to whatever you want.  I'm emulating the property 'bracket-flare here.  I'd
love to be able to look up bracket-flare and use that, but apparently it's
only used for the internal jog in designs like the following:
|___/\___|

Anyway, hope this helps--
David
\version 2.19.15

\paper {
  ragged-right = ##t
}

#(define (bound-coord bound refp)
   (if (not (= (ly:item-break-dir bound) CENTER))
   (cdr (ly:generic-bound-extent bound refp))
   (ly:grob-relative-coordinate bound refp X)))

#(define slanted-bracket
   (lambda (grob)
 (let* ((bound-L (ly:spanner-bound grob LEFT))
(bound-R (ly:spanner-bound grob RIGHT))
(common (ly:grob-common-refpoint bound-L bound-R X))
(coord-L (bound-coord bound-L common))
(coord-R (bound-coord bound-R common))
(height (ly:grob-property grob 'edge-height))
(shorten (ly:grob-property grob 'shorten-pair))
(flare '(0.25 . 0.25))
(th (ly:output-def-lookup (ly:grob-layout grob) 'line-thickness))
(main
 (make-line-stencil 
  th 
  (+ coord-L (car flare) (car shorten)) 0
  (+ coord-R (- (cdr flare)) (cdr shorten)) (car height)))
(wing-L (make-line-stencil
 th
 0 (car height)
 (car flare) 0))
(wing-R (make-line-stencil
 th
 0 (car height)
 (cdr flare) (- (car height) (cdr height
(main
 (if (= (ly:item-break-dir bound-L) CENTER)
 (ly:stencil-combine-at-edge main X LEFT wing-L 0)
 main))
(main
 (if (= (ly:item-break-dir bound-R) CENTER)
 (ly:stencil-combine-at-edge main X RIGHT wing-R 0)
 main))
(main
 (ly:stencil-translate-axis
  main
  (- (ly:grob-relative-coordinate bound-L common X))
  X)))
   main)))

{
  \set Staff.pedalSustainStyle = #'bracket
  %\override Staff.PianoPedalBracket.edge-height = #'(2 . 0.5)
  %\override Staff.PianoPedalBracket.shorten-pair = #'(-2 . 0)
  \override Staff.PianoPedalBracket.stencil = #slanted-bracket
  c4\sustainOn g c d
  %\break
  c4 g c d
  %\break
  c4 g c d
  c1\sustainOff
}

{
  \set Staff.pedalSustainStyle = #'bracket
  \override Staff.PianoPedalBracket.stencil = #slanted-bracket
  \clef bass
  % move right end to right
  \override Staff.PianoPedalBracket.shorten-pair = #'(0 . 0.75)
  d8-5\sustainOn
  \clef treble d'8_5 [ d'_2 f'_1 a8_5]
  a8_5 a a \sustainOff a
}
  
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