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3.1.92 PhrasingSlur
PhrasingSlur objects are created by: Phrasing_slur_engraver.
Standard settings:
control-points(list of number pairs):
ly:slur::calc-control-pointsList of offsets (number pairs) that form control points for the tie, slur, or bracket shape. For Béziers, this should list the control points of a third-order Bézier curve.
details(list): '((region-size . 4) (head-encompass-penalty . 1000.0) (stem-encompass-penalty . 30.0) (edge-attraction-factor . 4) (same-slope-penalty . 20) (steeper-slope-factor . 50) (non-horizontal-penalty . 15) (max-slope . 1.1) (max-slope-factor . 10) (free-head-distance . 0.3) (free-slur-distance . 0.8) (gap-to-staffline-inside . 0.2) (gap-to-staffline-outside . 0.1) (extra-object-collision-penalty . 50) (accidental-collision . 3) (extra-encompass-free-distance . 0.3) (extra-encompass-collision-distance . 0.8) (head-slur-distance-max-ratio . 3) (head-slur-distance-factor . 10) (absolute-closeness-measure . 0.3) (edge-slope-exponent . 1.7) (close-to-edge-length . 2.5) (encompass-object-range-overshoot . 0.5) (slur-tie-extrema-min-distance . 0.2) (slur-tie-extrema-min-distance-penalty . 2))Alist of parameters for detailed grob behavior. More information on the allowed parameters for a grob can be found by looking at the top of the Internals Reference page for each interface having a
detailsproperty.direction(direction):
ly:slur::calc-directionIf
side-axisis0(orX), then this property determines whether the object is placedLEFT,CENTERorRIGHTwith respect to the other object. Otherwise, it determines whether the object is placedUP,CENTERorDOWN. Numerical values may also be used:UP=1,DOWN=-1,LEFT=-1,RIGHT=1,CENTER=0.height-limit(dimension, in staff space):
2.0Maximum slur height: The longer the slur, the closer it is to this height.
minimum-length(dimension, in staff space):
1.5Try to make a spanner at least this long, normally in the horizontal direction. This requires an appropriate callback for the
springs-and-rodsproperty. If added to aTie, this sets the minimum distance between noteheads.ratio(number):
0.333Parameter for slur shape. The higher this number, the quicker the slur attains its
height-limit.springs-and-rods(boolean):
ly:spanner::set-spacing-rodsDummy variable for triggering spacing routines.
stencil(stencil):
ly:slur::printThe symbol to print.
thickness(number):
1.1For grobs made up of lines, this is the thickness of the line. For slurs and ties, this is the distance between the two arcs of the curve’s outline at its thickest point, not counting the diameter of the virtual “pen” that draws the arcs. This property is expressed as a multiple of the current staff-line thickness (i.e. the visual output is influenced by changes to
Staff.StaffSymbol.thickness).vertical-skylines(pair of skylines):
#<unpure-pure-container #<primitive-procedure ly:slur::vertical-skylines> #<primitive-procedure ly:grob::pure-simple-vertical-skylines-from-extents> >Two skylines, one above and one below this grob.
Y-extent(pair of numbers):
#<unpure-pure-container #<primitive-procedure ly:slur::height> #<primitive-procedure ly:slur::pure-height> >Extent (size) in the Y direction, measured in staff-space units, relative to object’s reference point.
This object supports the following interface(s): grob-interface, outside-staff-interface, slur-interface and spanner-interface.
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