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Re: Two possible bugs when dealing with Automatic note splitting


From: Jim Tisdall
Subject: Re: Two possible bugs when dealing with Automatic note splitting
Date: Wed, 02 Oct 2013 15:20:27 -0400
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.7; rv:17.0) Gecko/20130801 Thunderbird/17.0.8

I posted some details about this a week ago, here's
a repeat of that post, it contains some version info.

Date: Tue, 24 Sep 2013 18:35:33 -0400
From: Jim Tisdall <address@hidden>
To: address@hidden
Subject: fingering problem with Note_heads_engraver
Message-ID: <address@hidden>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed

I've come across the following problem using
Note_heads_engraver (and the Completion_rests_engraver)
on a guitar score that includes fingering.

The following score rewrites notes that span a quarter-note
beat as two notes with a tie.  That's what I want ...

but it also duplicates the fingering on the new, second,
tied note ... which is not desirable.

\version "2.16.2"     % also with latest development version
\header {
   piece = "demonstrate fingering problem with Note_heads_engraver"
}

\score {
         \new Staff {
                 \time 3/4
                 \key c \major
                 \clef "treble_8"
                 \new Voice \with {
                         \remove "Note_heads_engraver"
                         \consists "Completion_heads_engraver" completionUnit = 
#(ly:make-moment 1/4)
%                       \remove "Rest_engraver"
%                       \consists "Completion_rest_engraver" completionUnit = 
#(ly:make-moment 1/4)
                 }
                 {
                         % fingers are represented by e.g. -3 for the 3rd finger
                         % strings are represented by e.g. \5 for the 5th 
string (in a circle)

                         % the following line duplicates string and finger
                         <g,\6-3>8 <c\5-4>4 <e\4-2>4.

                         % the following line duplicates string only (not 
finger)
                         g,8\6-3 c4\5-4 e4.\4-2
                 }
       }
   \layout {
   }
}




On 10/2/13 1:59 PM, address@hidden wrote:
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Today's Topics:

    1. Two possible bugs when dealing with Automatic note splitting
       (Gilberto Agostinho)
    2. Re:Two possible bugs when dealing with Automatic note
       splitting (David Kastrup)
    3. Re:Two possible bugs when dealing with Automatic note
       splitting (SoundsFromSound)
    4. Re:Two possible bugs when dealing with Automatic note
       splitting (Phil Holmes)
    5. Re:Two possible bugs when dealing with Automatic note
       splitting (David Kastrup)
    6. Re:Two possible bugs when dealing with Automatic note
       splitting (Gilberto Agostinho)
    7. Re:Hairpin with pro/preceeding text (EdBeesley)


----------------------------------------------------------------------

Message: 1
Date: Wed, 2 Oct 2013 18:45:08 +0200
From: Gilberto Agostinho <address@hidden>
To: lilypond-user <address@hidden>
Subject: Two possible bugs when dealing with Automatic note splitting
Message-ID:
        <address@hidden>
Content-Type: text/plain; charset="iso-8859-1"

Hello,

I think I found two possible bugs when dealing with Automatic note
splitting.

1) when a note has an accidental and it has to be split, the ligaturas look
out of place.

2) when a note has an accidental (regular accidental, or forced accidental
with an !, or even due to *dodecaphonic style*) and it has to be split,
these accidentals appear in all repeated notes.

Here is an example:

\version "2.17.26"


\markup {This works perfectly well}

\new Voice \with {

   \remove "Note_heads_engraver"

   \consists "Completion_heads_engraver"

   \remove "Rest_engraver"

   \consists "Completion_rest_engraver"

}

{

   g'2\pp~g'8. f'1\mf a''2..\mf cis''4..\ff

}


\markup {But this don't, the ligaturas are out of place when notes have
accidentals}

\new Voice \with {

   \remove "Note_heads_engraver"

   \consists "Completion_heads_engraver"

   \remove "Rest_engraver"

   \consists "Completion_rest_engraver"

}

{

   g'2\pp~g'8. fis'1\mf aes''2..\mf cis''4..\ff

}


\markup {Also, accidentals (including forced ones with ! and with
dodecaphonic style) are repeated for all notes...}

\new Voice \with {

   \remove "Note_heads_engraver"

   \consists "Completion_heads_engraver"

   \remove "Rest_engraver"

   \consists "Completion_rest_engraver"

}

{

   g'2\pp~g'8. f'!1\mf

   #(set-accidental-style 'dodecaphonic)

   a''2..\mf cis''4..\ff

}


The result can be seen on this link:
http://s18.postimg.org/aty44yta1/split.png


So are these bugs or am I misusing the rhythm splitting?


Thanks a lot,

Gilberto
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------------------------------

Message: 2
Date: Wed, 02 Oct 2013 19:03:28 +0200
From: David Kastrup <address@hidden>
To: Gilberto Agostinho <address@hidden>
Cc: address@hidden, lilypond-user <address@hidden>
Subject: Re: Two possible bugs when dealing with Automatic note
        splitting
Message-ID: <address@hidden>
Content-Type: text/plain


Gilberto Agostinho <address@hidden> writes:


I think I found two possible bugs when dealing with Automatic note
splitting.

1) when a note has an accidental and it has to be split, the ligaturas look
out of place.

2) when a note has an accidental (regular accidental, or forced accidental
with an !, or even due to *dodecaphonic style*) and it has to be split,
these accidentals appear in all repeated notes.


So are these bugs or am I misusing the rhythm splitting?

Bugs.  Regressions.  In 2.16.0, everything looks fine except for the
repeated forced accidentals (those have always been overlooked, I
guess).

Bug squad, can you file the original report and the examples?  And can
people who have some version of 2.17 installed narrow this in some more?
I don't really fancy bisecting all the way from 2.16.




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