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3.1.98 Stem

Stem objects are created by: Stem_engraver.

Standard settings:

direction (direction):
ly:stem::calc-direction

If side-axis is 0 (or #X), then this property determines whether the object is placed #LEFT, #CENTER or #RIGHT with respect to the other object. Otherwise, it determines whether the object is placed #UP, #CENTER or #DOWN. Numerical values may also be used: #UP=1, #DOWN=-1, #LEFT=-1, #RIGHT=1, #CENTER=0.

duration-log (integer):
stem::calc-duration-log

The 2-log of the note head duration, i.e., 0 = whole note, 1 = half note, etc.

default-direction (direction):
ly:stem::calc-default-direction

Direction determined by note head positions.

stem-end-position (number):
ly:stem::calc-stem-end-position

Where does the stem end (the end is opposite to the support-head)?

neutral-direction (direction):
-1

Which direction to take in the center of the staff.

stencil (unknown):
ly:stem::print

The symbol to print.

X-extent (pair of numbers):
ly:stem::width

Hard coded extent in X direction.

Y-extent (pair of numbers):
ly:stem::height

Hard coded extent in Y direction.

length (dimension, in staff space):
ly:stem::calc-length

User override for the stem length of unbeamed stems.

thickness (number):
1.3

Line thickness, generally measured in line-thickness.

flag (unknown):
ly:stem::calc-flag

A function returning the full flag stencil for the Stem, which is passed to the function as the only argument. The default ly:stem::calc-stencil function uses the flag-style property to determine the correct glyph for the flag. By providing your own function, you can create arbitrary flags.

X-offset (number):
ly:stem::offset-callback

The horizontal amount that this object is moved relative to its X-parent.

Y-offset (number):
ly:staff-symbol-referencer::callback

The vertical amount that this object is moved relative to its Y-parent.

This object supports the following interface(s): stem-interface, item-interface, font-interface and grob-interface.

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