Re:note-collision in Schumann

[Martial]

Oops ! I do not know that I doing.

here is a good version  :
Just  cut and paste the layout of the Piano centered Dynamics sample.

joint debug file
--
Martial
http://cathemline.org

\version "2.6.4"
%    \renameinput "script-collision.ly"  ( don't work)

\header {   instrument = "Extrait de la Berceuse"   }

melodie  =  {
\relative c'' {
\context Voice = "melod" {
\clef treble
\key es \major
\time 6/8
\phrasingSlurUp
\partial 8
s8 % (partial) % because of acciaccatura
\acciaccatura d8 \stemUp c8\( b! c es d c
bes4. aes\)
g\( bes
aes g\)
\acciaccatura g8 f\( e! f aes4 d,8 <es bes>4.^(       %~ TieUp
es8 )\) b'8\rest r8
\bar "||"
}
}
}

exceptionun = {
\relative c' {
\context Voice = "retouchun" {
\partial 8

s8 % (partial)
s2.*4
s4. s4 \once \override Stem #'transparent = ##t
\slurDown bes8(
\once \override NoteHead #'transparent = ##t
\once \override Stem #'transparent = ##t
bes4) s2
\bar "||"

}
}
}

unebasse = {
\relative c {
\context Voice = "prembass" {
\clef bass
\key es \major
\time 6/8
\partial 8      
s8 %(partial)
s2.
\phrasingSlurUp
\stemUp
f8[\( aes16 bes \change Staff=upper \stemDown
d8]\) f\( \change Staff=lower
\stemUp
d16 bes aes8\)
s2.*2
s4. s4
\change Staff=upper \once \override Stem #'transparent = ##t
\once \override NoteHead #'transparent = ##t
\slurDown
aes8(
\stemDown
aes4)
\set followVoice = ##t \once \override Stem #'transparent = ##t
g8 s4.
\bar "||"
}
}
}

deuxbasse = {
\relative c {
\context Voice = "deuzbasse" {
\clef bass
\key es \major
\time 6/8
\partial 8

s8 % (partial)
\change Staff=lower \stemDown es8\( aes16 c aes'8\) \change Staff=upper 
\stemDown \phrasingSlurDown c\( aes16 es \change Staff=lower \stemUp c8\)
\stemDown es,2.
\phrasingSlurUp
es8\( bes'16 es \change Staff=upper g8\) \change Staff=lower des,\( g16 
bes \change Staff=upper
fes'8\)
\change Staff=lower c,8\( aes'16 c \change Staff=upper es8\) \change 
Staff=lower bes,\( g'16 des' \change Staff=upper e!8\)
% voilà la mesure difficile (le "hic")

\phrasingSlurDown
\change Staff=lower aes,,8\( f'16 c' \change Staff=upper f8\) 
\change Staff=lower \stemUp 
bes,,,8\( bes'16 f' 
\change Staff=upper   \stemDown
<aes\) bes>8

\change Staff=lower \stemUp es,,8\( bes'16 es \change Staff=upper
\stemDown
g8\) bes\( g16 \change Staff=lower
\stemUp
es bes8\)
\bar "||"
}
}
}

exceptiondeux = {
\relative c {
\context Voice = "retouchedeux" {

% I can't do it now. It's only for coda which is a variation
%of this problem

}
}
}

dynamics = {  
s8 % (partial)
s2.*6
}

\score {
\context PianoStaff << 
% \set PianoStaff.instrument = \markup{ \fontsize #6 {"16. "} \hspace #1.0      
}

\context Staff=upper   \melodie 
%\exceptionun   

\context Dynamics=dynamics \dynamics
\context Staff=lower <<
\clef bass
\unebasse
\deuxbasse
\exceptiondeux
>>

>>


\layout {
\context {
\type "Engraver_group"
\name Dynamics
\alias Voice % So that \cresc works, for example.
\consists "Output_property_engraver"

\override VerticalAxisGroup #'minimum-Y-extent = #'(-1 . 1)
%pedalSustainStrings = #'("Ped." "*Ped." "*")
%pedalUnaCordaStrings = #'("una corda" "" "tre corde")

\consists "Piano_pedal_engraver"
\consists "Script_engraver"
\consists "Dynamic_engraver"
\consists "Text_engraver"
\consists "Skip_event_swallow_translator"

\override TextScript #'font-size = #2
\override TextScript #'font-shape = #'italic
\override DynamicText #'extra-offset = #'(0 . 2.5)
\override Hairpin #'extra-offset = #'(0 . 2.5)

\consists "Axis_group_engraver"
}
\context {
\PianoStaff
\accepts Dynamics
\override VerticalAlignment #'forced-distance = #5
}
}
}

\score {
\context PianoStaff <<
\context Staff=upper   <<
\melodie \dynamics
\exceptionun 
>>

\context Staff=lower << 
\unebasse \dynamics
\deuxbasse \dynamics
\exceptiondeux
>>
>>
}