@funindex last-bottom-spacing
the distance from the last system or top-level markup on a page to
-the bottom of the printable area (i.e. the top of the bottom
+the bottom of the printable area (i.e., the top of the bottom
margin).
@item top-system-spacing
@funindex top-system-spacing
-the distance from the top of the printable area (i.e. the bottom
+the distance from the top of the printable area (i.e., the bottom
of the top margin) to the first system on a page, when there is no
(title or top-level) markup between the two.
@item top-markup-spacing
@funindex top-markup-spacing
-the distance from the top of the printable area (i.e. the bottom
+the distance from the top of the printable area (i.e., the bottom
of the top margin) to the first (title or top-level) markup on a
page, when there is no system between the two.
@end table
When specified in a @code{\paper} block this defines the horizontal
extent available for the staff lines in un-indented systems. If left
unspecified, the paper's @code{line-width} is determined from
-@code{(paper-width@tie{}@minus{}@tie{}left-margin@tie{}@minus{}@tie{}right-margin)}
+@code{(paper-width@tie{}@minus{}@tie{}left-margin@tie{}@minus{}@tie{}right-margin)}.
If the paper's @code{line-width} is specified, and both
-@code{left-margin} and @code{right-margin} are not, then the
-margins will be updated to center the systems on the page
-automatically. Also see @code{check-consistency}.
+@code{left-margin} and @code{right-margin} are not, then the margins
+will be updated to center the systems on the page automatically. Also
+see @code{check-consistency}.
@code{line-width}s for individual scores can be specified in the
scores' @code{\layout} blocks. These values control the width of the
even-numbered page. The values of the following three variables may
be increased to make these actions less likely.
-The values are penalties, i.e. the higher the value the less likely
+The values are penalties, i.e., the higher the value the less likely
will be the associated action relative to other choices.
@table @code
}
@end lilypond
-By default, a @code{\break} in the middle of a measure is ignored,
-and a warning is printed. To force a line break in the middle of
-a measure, add an invisible bar line with @w{@samp{\bar ""}}:
+By default, a @code{\break} command inserted in the @q{middle} of a
+measure will be ignored (and a warning message will be output during the
+compilation of the LilyPond file). Adding an invisible bar line
+-- @w{@samp{\bar ""}} -- before the @code{\break} command will force the
+issue:
@lilypond[quote,ragged-right,verbatim]
\relative c'' {
c4 c c
- \bar "" \break
+ \bar ""
+ \break
c |
c4 c c c |
}
@end lilypond
-A @code{\break} occurring at a bar line is also ignored if the
-previous measure ends in the middle of a note, such as when a
-tuplet begins and ends in different measures. To allow
-@code{\break} commands to work in these situations, remove the
-@code{Forbid_line_break_engraver} from the @code{Voice} context.
-Note that manually forced line breaks have to be added in parallel
-with the music:
+A @code{\break} command that occurrs at a bar line will also ignored if
+the previous measure ends in the middle of a note (e.g., when a tuplet
+begins in one measure and ends in another). In this case remove the
+@code{Forbid_line_break_engraver} from the @code{Voice} context and,
+use a simultaneous music construction inserting the @code{\break} at the
+appropriate place in the second @q{voice}:
@lilypond[quote,ragged-right,verbatim]
\new Voice \with {
}
@end lilypond
-Similarly, line breaks are normally forbidden when beams cross bar
-lines. This behavior can be changed by setting
-@code{\override Beam.breakable = ##t}:
+Similarly, by default, line breaks are ignored when beams cross bar
+lines. Use the @code{\override Beam.breakable = ##t} command to force
+this:
@lilypond[quote,ragged-right,verbatim]
\relative c'' {
}
@end lilypond
-The @code{\noBreak} command forbids a line break at the bar line
+The @code{\noBreak} command will prevent a line break at the bar line
where it is inserted.
Within a score, automatic line breaking is prevented within music
@end example
@funindex minimumRepeatLengthForPageTurn
-With volta repeats, the @code{Page_turn_engraver} will only
-allow a page turn during the repeat if there is enough time at the
-beginning and end of the repeat to turn the page back. If the
-repeat is very short, the @code{Page_turn_engraver} can also be
-used to disable page turns by setting a value for the context
-property @code{minimumRepeatLengthForPageTurn} where as
-@code{Page_turn_engraver} only allows turns in repeats whose
-duration is longer than this value.
-
-The page turning commands, @code{\pageTurn}, @code{\noPageTurn}
-and @code{\allowPageTurn}, may also be used at top-level, in
-top-level markups and between scores.
+
+When using volta repeats, the @code{Page_turn_engraver} will only allow
+a page turn during the repeat if there is enough time at the beginning
+and end of the repeat to turn the page back. If the repeat is too
+short then the @code{Page_turn_engraver} can be used to @emph{disable}
+page turns by setting an appropriate value for the context property
+@code{minimumRepeatLengthForPageTurn}. In this case the
+@code{Page_turn_engraver} will only allows turns in repeats whose
+duration is longer than the value specified.
+
+The page turning commands, @code{\pageTurn}, @code{\noPageTurn} and
+@code{\allowPageTurn}, may also be used at top-level, in top-level
+markups and between scores.
@predefined
@funindex \pageTurn
Each distance is measured between the @emph{reference points} of
the two items. The reference point for a staff is the vertical
-center of its @code{StaffSymbol} (i.e. the middle line if
+center of its @code{StaffSymbol} (i.e., the middle line if
@code{line-count} is odd; the middle space if @code{line-count} is
even). The reference points for individual non-staff lines are
given in the following table:
placed equidistant between the two nearest staves on either side,
unless collisions or other spacing constraints prevent this.
Adjacent non-staff lines should have non-increasing
-@code{staff-affinity} from top to bottom, e.g. a non-staff line
+@code{staff-affinity} from top to bottom, e.g., a non-staff line
set to @code{UP} should not immediately follow one that is set to
@code{DOWN}. Non-staff lines at the top of a system should use
@code{DOWN}; those at the bottom should use @code{UP}. Setting
@emph{Non-staff lines} (such as @code{Lyrics}, @code{ChordNames},
etc.) are contexts whose layout objects are engraved like staves
-(i.e. in horizontal lines within systems). Specifically,
+(i.e., in horizontal lines within systems). Specifically,
non-staff lines are non-staff contexts that contain the
@rinternals{Axis_group_engraver}.
}
@end lilypond
-This score isolates line- and page-breaking information in a dedicated
-voice. This technique of creating a breaks voice will help keep layout
-separate from music entry as our example becomes more complicated.
-See @ref{Breaks}.
+This score isolates both line-breaking and page-breaking information in
+a dedicated voice. This technique of creating a breaks voice will help
+keep layout separate from music entry as our example becomes more
+complicated. Also see @ref{Breaks}.
-Explicit @code{\breaks} evenly divide the music into six measures per
-line. Vertical spacing results from LilyPond's defaults. To set
-the vertical startpoint of each system explicitly, we can set
-the @code{Y-offset} pair in the @code{line-break-system-details}
-attribute of the @code{NonMusicalPaperColumn} grob:
+By using explicit @code{\break} commands, the music is divided into five
+measures per line. Vertical spacing is from LilyPond's own defaults but
+the vertical startpoint of each system is set explicitly using the
+@code{Y-offset} pair in the @code{line-break-system-details} attribute
+of the @code{NonMusicalPaperColumn} grob:
@lilypond[verbatim,quote,staffsize=16]
\header { tagline = ##f }
\relative { c''2 c4. c8 | c4. c16[ c] c4. c8 | c8 c c4 c c }
@end lilypond
+As explained in the @emph{Essay on automated music engraving}, stem
+directions will influence spacing (see @ressay{Optical spacing}) and can
+be adjusted using the @code{stem-spacing-correction} property of the
+@rinternals{NoteSpacing} object (which are generated for every
+@rinternals{Voice} context).
+
+The @code{StaffSpacing} object (generated in @rinternals{Staff} context)
+contains the same property for controlling the stem/bar line spacing.
-In the @emph{Essay on automated music engraving}, it was explained
-that stem directions influence spacing (see
-@ressay{Optical spacing}). This is controlled with the
-@code{stem-spacing-correction} property in the
-@rinternals{NoteSpacing}, object. These are generated for every
-@rinternals{Voice} context. The @code{StaffSpacing} object
-(generated in @rinternals{Staff} context) contains the same
-property for controlling the stem/bar line spacing. The following
-example shows these corrections, once with default settings, and
-once with exaggerated corrections:
+The following example shows this; once with the default settings and
+once with an exaggerated adjustment:
@lilypond[quote,ragged-right]
\fixed c' {
projects / lilypond.git / blobdiff