spannertools.PianoPedalSpanner

Inheritance diagram of abjad.tools.spannertools.PianoPedalSpanner.PianoPedalSpanner.PianoPedalSpanner

class abjad.tools.spannertools.PianoPedalSpanner.PianoPedalSpanner.PianoPedalSpanner(components=None)[source]

Abjad piano pedal spanner:

abjad> staff = Staff("c'8 d'8 e'8 f'8")
abjad> spannertools.PianoPedalSpanner(staff[:])
PianoPedalSpanner(c'8, d'8, e'8, f'8)
abjad> f(staff)
\new Staff {
    \set Staff.pedalSustainStyle = #'mixed
    c'8 \sustainOn
    d'8
    e'8
    f'8 \sustainOff
}

Return piano pedal spanner.

Read-only Properties

PianoPedalSpanner.components

Return read-only tuple of components in spanner.

abjad> voice = Voice("c'8 d'8 e'8 f'8")
abjad> spanner = spannertools.Spanner(voice[:2])
abjad> spanner.components
(Note("c'8"), Note("d'8"))

Changed in version 1.1: Now returns an (immutable) tuple instead of a (mutable) list.

Note

Inherited from spannertools.Spanner

PianoPedalSpanner.duration_in_seconds

Sum of duration of all leaves in spanner, in seconds.

Note

Inherited from spannertools.Spanner

PianoPedalSpanner.leaves

Return read-only tuple of leaves in spanner.

abjad> voice = Voice("c'8 d'8 e'8 f'8")
abjad> spanner = spannertools.Spanner(voice[:2])
abjad> spanner.leaves
(Note("c'8"), Note("d'8"))

Changed in version 1.1: Now returns an (immutable) tuple instead of a (mutable) list.

Note

When dealing with large, complex scores accessing this attribute can take some time. Best to make a local copy with leaves = spanner.leaves first. Or use spanner- specific iteration tools.

Note

Inherited from spannertools.Spanner

PianoPedalSpanner.offset

New in version 1.1.

Return read-only reference to spanner offset interface.

Spanner offset interface implements start and stop attributes.

abjad> voice = Voice("c'8 d'8 e'8 f'8")
abjad> spanner = spannertools.Spanner(voice[2:])
abjad> spanner
Spanner(e'8, f'8)
abjad> spanner._offset.start
Offset(1, 4)
abjad> spanner._offset.stop
Offset(1, 2)

Return duration.

Note

Inherited from spannertools.Spanner

PianoPedalSpanner.override

LilyPond grob override component plug-in.

Note

Inherited from spannertools.Spanner

PianoPedalSpanner.preprolated_duration

Sum of preprolated duration of all components in spanner.

Note

Inherited from spannertools.Spanner

PianoPedalSpanner.prolated_duration

Sum of prolated duration of all components in spanner.

Note

Inherited from spannertools.Spanner

PianoPedalSpanner.set

LilyPond context setting component plug-in.

Note

Inherited from spannertools.Spanner

PianoPedalSpanner.written_duration

Sum of written duration of all components in spanner.

Note

Inherited from spannertools.Spanner

Read/write Properties

PianoPedalSpanner.kind[source]

Get piano pedal spanner kind:

abjad> staff = Staff("c'8 d'8 e'8 f'8")
abjad> spanner = spannertools.PianoPedalSpanner(staff[:])
abjad> spanner.kind
'sustain'

Set piano pedal spanner kind:

abjad> staff = Staff("c'8 d'8 e'8 f'8")
abjad> spanner = spannertools.PianoPedalSpanner(staff[:])
abjad> spanner.kind = 'sostenuto'
abjad> spanner.kind
'sostenuto'

Acceptable values 'sustain', 'sostenuto', 'corda'.

PianoPedalSpanner.style[source]

Get piano pedal spanner style:

abjad> staff = Staff("c'8 d'8 e'8 f'8")
abjad> spanner = spannertools.PianoPedalSpanner(staff[:])
abjad> spanner.style
'mixed'

Set piano pedal spanner style:

abjad> staff = Staff("c'8 d'8 e'8 f'8")
abjad> spanner = spannertools.PianoPedalSpanner(staff[:])
abjad> spanner.style = 'bracket'
abjad> spanner.style
'bracket'

Acceptable values 'mixed', 'bracket', 'text'.

Methods

PianoPedalSpanner.append(component)

Add component to right of spanner.

abjad> voice = Voice("c'8 d'8 e'8 f'8")
abjad> spanner = spannertools.Spanner(voice[:2])
abjad> spanner
Spanner(c'8, d'8)
abjad> spanner.append(voice[2])
abjad> spanner
Spanner(c'8, d'8, e'8)

Return none.

Note

Inherited from spannertools.Spanner

PianoPedalSpanner.append_left(component)

Add component to left of spanner.

abjad> voice = Voice("c'8 d'8 e'8 f'8")
abjad> spanner = spannertools.Spanner(voice[2:])
abjad> spanner
Spanner(e'8, f'8)
abjad> spanner.append_left(voice[1])
abjad> spanner
Spanner(d'8, e'8, f'8)

Return none.

Note

Inherited from spannertools.Spanner

PianoPedalSpanner.clear()

Remove all components from spanner:

abjad> voice = Voice("c'8 d'8 e'8 f'8")
abjad> spanner = spannertools.Spanner(voice[:])
abjad> spanner
Spanner(c'8, d'8, e'8, f'8)
abjad> spanner.clear()
abjad> spanner
Spanner()

Return none.

Note

Inherited from spannertools.Spanner

PianoPedalSpanner.extend(components)

Add iterable components to right of spanner:

abjad> voice = Voice("c'8 d'8 e'8 f'8")
abjad> spanner = spannertools.Spanner(voice[:2])
abjad> spanner
Spanner(c'8, d'8)
abjad> spanner.extend(voice[2:])
abjad> spanner
Spanner(c'8, d'8, e'8, f'8)

Return none.

Note

Inherited from spannertools.Spanner

PianoPedalSpanner.extend_left(components)

Add iterable components to left of spanner:

abjad> voice = Voice("c'8 d'8 e'8 f'8")
abjad> spanner = spannertools.Spanner(voice[2:])
abjad> spanner
Spanner(e'8, f'8)
abjad> spanner.extend_left(voice[:2])
abjad> spanner
Spanner(c'8, d'8, e'8, f'8)

Return none.

Note

Inherited from spannertools.Spanner

PianoPedalSpanner.fracture(i, direction='both')

Fracture spanner at direction of component at index i.

Valid values for direction are 'left', 'right' and 'both'.

Return original, left and right spanners.

abjad> voice = Voice("c'8 d'8 e'8 f'8")
abjad> beam = spannertools.BeamSpanner(voice[:])
abjad> beam
BeamSpanner(c'8, d'8, e'8, f'8)
abjad> beam.fracture(1, direction = 'left')
(BeamSpanner(c'8, d'8, e'8, f'8), BeamSpanner(c'8), BeamSpanner(d'8, e'8, f'8))
abjad> print voice.format
\new Voice {
    c'8 [ ]
    d'8 [
    e'8
    f'8 ]
}

Return tuple.

Note

Inherited from spannertools.Spanner

PianoPedalSpanner.fuse(spanner)

Fuse contiguous spanners.

Return new spanner.

abjad> voice = Voice("c'8 d'8 e'8 f'8")
abjad> left_beam = spannertools.BeamSpanner(voice[:2])
abjad> right_beam = spannertools.BeamSpanner(voice[2:])
abjad> print voice.format
\new Voice {
    c'8 [
    d'8 ]
    e'8 [
    f'8 ]
}
abjad> left_beam.fuse(right_beam)
[(BeamSpanner(c'8, d'8), BeamSpanner(e'8, f'8), BeamSpanner(c'8, d'8, e'8, f'8))]
abjad> print voice.format
\new Voice {
    c'8 [
    d'8
    e'8
    f'8 ]
}

Todo

Return (immutable) tuple instead of (mutable) list.

Note

Inherited from spannertools.Spanner

PianoPedalSpanner.index(component)

Return nonnegative integer index of component in spanner.

abjad> voice = Voice("c'8 d'8 e'8 f'8")
abjad> spanner = spannertools.Spanner(voice[2:])
abjad> spanner
Spanner(e'8, f'8)
abjad> spanner.index(voice[-2])
0

Return nonnegative integer.

Note

Inherited from spannertools.Spanner

PianoPedalSpanner.pop()

Remove and return rightmost component in spanner.

abjad> voice = Voice("c'8 d'8 e'8 f'8")
abjad> spanner = spannertools.Spanner(voice[:])
abjad> spanner
Spanner(c'8, d'8, e'8, f'8)
abjad> spanner.pop()
Note("f'8")
abjad> spanner
Spanner(c'8, d'8, e'8)

Return component.

Note

Inherited from spannertools.Spanner

PianoPedalSpanner.pop_left()

Remove and return leftmost component in spanner.

abjad> voice = Voice("c'8 d'8 e'8 f'8")
abjad> spanner = spannertools.Spanner(voice[:])
abjad> spanner
Spanner(c'8, d'8, e'8, f'8)
abjad> spanner.pop_left()
Note("c'8")
abjad> spanner
Spanner(d'8, e'8, f'8)

Return component.

Note

Inherited from spannertools.Spanner

Special Methods

PianoPedalSpanner.__contains__(expr)

Note

Inherited from spannertools.Spanner

PianoPedalSpanner.__delattr__()

x.__delattr__(‘name’) <==> del x.name

Note

Inherited from __builtin__.object

PianoPedalSpanner.__eq__(arg)

True when id(self) equals id(arg).

Return boolean.

Note

Inherited from abctools.AbjadObject

PianoPedalSpanner.__ge__(arg)

Abjad objects by default do not implement this method.

Raise exception.

Note

Inherited from abctools.AbjadObject

PianoPedalSpanner.__getitem__(expr)

Note

Inherited from spannertools.Spanner

PianoPedalSpanner.__gt__(arg)

Abjad objects by default do not implement this method.

Raise exception

Note

Inherited from abctools.AbjadObject

PianoPedalSpanner.__hash__() <==> hash(x)

Note

Inherited from __builtin__.object

PianoPedalSpanner.__le__(arg)

Abjad objects by default do not implement this method.

Raise exception.

Note

Inherited from abctools.AbjadObject

PianoPedalSpanner.__len__()

Note

Inherited from spannertools.Spanner

PianoPedalSpanner.__lt__(other)

Trivial comparison to allow doctests to work.

Note

Inherited from spannertools.Spanner

PianoPedalSpanner.__ne__(arg)

True when id(self) does not equal id(arg).

Return boolean.

Note

Inherited from abctools.AbjadObject

PianoPedalSpanner.__repr__()

Note

Inherited from spannertools.Spanner

PianoPedalSpanner.__setattr__()

x.__setattr__(‘name’, value) <==> x.name = value

Note

Inherited from __builtin__.object

PianoPedalSpanner.__str__() <==> str(x)

Note

Inherited from __builtin__.object

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