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[Lilypond-auto] [LilyIssues-auto] [testlilyissues:issues] #4955 tie-conf


From: Auto mailings of changes to Lily Issues
Subject: [Lilypond-auto] [LilyIssues-auto] [testlilyissues:issues] #4955 tie-configuration is partially ignored
Date: Sun, 14 Aug 2016 15:00:29 +0000

You can say that again.

lily/tie-formatting-problem.cc:1192
[...]
if (scm_is_pair (entry))
{
Tie_specification &spec = specifications_[k];

      if (scm_is_number (scm_car (entry)))
        {
          spec.has_manual_position_ = true;
          spec.manual_position_ = scm_to_double (scm_car (entry));
          /* TODO: check whether inexact? is an appropriate condition here */
          spec.has_manual_delta_y_ = (scm_is_true (scm_inexact_p (scm_car (entry))));
        }

      if (scm_is_number (scm_cdr (entry)))
        {
          spec.has_manual_dir_ = true;
          spec.manual_dir_ = Direction (scm_to_int (scm_cdr (entry)));
        }
    }
  k++;

So what is the deal with "has_manual_position" as opposed to "has_manual_delta_y" ?

The doc for the property just states:
(tie-configuration ,list? "List of @code{(@var{position} .
@var{dir})} pairs, indicating the desired tie configuration, where
@var{position} is the offset from the center of the staff in staff
space and @var{dir} indicates the direction of the tie (@code{1}=>up,
@address@hidden>down, @code{0}=>center). A non-pair entry
in the list causes the corresponding tie to be formatted
automatically.")

Obviously, somebody had a plan for something here.


[issues:#4955] tie-configuration is partially ignored

Status: New
Created: Fri Aug 12, 2016 07:29 AM UTC by Werner LEMBERG
Last Updated: Sun Aug 14, 2016 02:28 PM UTC
Owner: nobody
Attachments:

\version "2.19.46"

\header { texidoc = "
LilyPond should obey the vertical positions of ties as specified with
@code{tie-configuration}.

Here is a counterexample, where the positions of longer ties get
changed.
" }

\paper { line-width = 80\mm }

\relative {
  \override TieColumn.tie-configuration =
    #'((0 . 1) (2 . 1) (4 . 1))
  <b'^~ d^~ f^~>1 | \break
  q |
}

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