[Lilypond-auto] [LilyIssues-auto] [testlilyissues:issues] Re: #3692 Fing

"Torsten Hämmerle" address@hidden writes:

Chord fingering

Many issues related to fingering positioning and collisions are caused by incorrect input.
A fingering number should always (!) be attached to a specific note, never to a chord in general.

Therefore, the coding used in this issue is not supposed to work anyway.
Instead of
~~~
{
<e'' f''="" cis'''="">1 ^1^2^5
}

Uh, says who? The Fingering_engraver goes to quite a bit of pain to
preserve stacking order for this case. If you want to get a single
number stack outside of the staff, that is the way to get it.

~~~
this should be input as
~~~
{
<e''^1 f''^2="" cis'''^5="">1
}
~~~
in the first place.

Sorry, but you are just making up things here. LilyPond has two
different engravers for fingerings exactly to be able to meet those two
different fingering placement requirements.

It may well be that one has bugs where the other doesn't, but that does
not magically make it non-existent.

--
David Kastrup

[issues:#3692] Fingering collision with accidentals

Status: Started
Created: Sat Nov 30, 2013 09:17 AM UTC by Anonymous
Last Updated: Fri Aug 03, 2018 02:00 PM UTC
Owner: Torsten Hämmerle
Attachments:

fingering.preview.png (4.6 kB; image/png)

Originally created by: *anonymous

Originally created by: address@hidden

Fingerings do not take accidentals into account, and fingerings align over the first note inout of a chord, rather than centering over the whole chord.
\version "2.17.96"

{
<e'' f'' cis'''>1 ^1^2^5
}

From Keith Ohara:
"Unfortunately this is a different bug -- or two -- so it will
not be fixed at the same time as collisions between Fingerings.

(1) LilyPond has never looked at Accidentals when placing Fingering;
until recently that caused only small overlaps with sharps because
the Fingering did not previously fit so close to the chord.

(2) Fingering on a chord as a whole should center over the main column
of note-heads; instead it centers over the first-input note.

So, you can do the same as we did when using version 2.12: rearrange
the order of pitches in the chord so a main-column note comes first.

{ <f'' e'' cis'''>1 ^1^2^5 }

***********
From Janek :

and i believe to solve it in a general way we would have to teach
lilypond about different kinds of extents - see:

http://lists.gnu.org/archive/html/lilypond-devel/2012-06/msg00230.html
https://code.google.com/p/lilypond/issues/detail?id=3239 (sorry, that
issue got pretty messy).

Currently the work i started on this is waiting until 2.18.0 is out...
What about leaving it for now and attacking this together after 2.18?
************
Possibly a Known Issue in NR 1.7.1 would be in order.

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From:	Auto mailings of changes to Lily Issues via Testlilyissues-auto
Subject:	[Lilypond-auto] [LilyIssues-auto] [testlilyissues:issues] Re: #3692 Fingering collision with accidentals
Date:	Fri, 03 Aug 2018 14:08:12 -0000