PitchClass¶

abstract class abjad.pitch.PitchClass.PitchClass(argument)¶

Abstract pitch-class.

Attributes Summary

`__float__`	Coerce to float.
`__format__`	Formats pitch-class.
`__ge__`	Return a >= b.
`__gt__`	Return a > b.
`__le__`	Return a <= b.
`__lt__`	Is true when pitch-class is less than argument.
`accidental`	Gets accidental of pitch-class.
`invert`	Inverts pitch-class about axis.
`multiply`	Multiplies pitch-class by n.
`pitch_class_label`	Gets pitch-class label of pitch-class.
`transpose`	Transposes pitch-class by index n.

Special methods

(AbjadValueObject).__copy__(*arguments)¶

Copies Abjad value object.

Returns new Abjad value object.

(AbjadValueObject).__eq__(argument)¶

Is true when all initialization values of Abjad value object equal the initialization values of argument.

Returns true or false.

__float__()¶

Coerce to float.

Returns float.

__format__(format_specification='')¶

Formats pitch-class.

Set format_specification to ‘’, ‘lilypond’ or ‘storage’.

Returns string.

__ge__(other, NotImplemented=NotImplemented)¶: Return a >= b. Computed by @total_ordering from (not a < b).

__gt__(other, NotImplemented=NotImplemented)¶: Return a > b. Computed by @total_ordering from (not a < b) and (a != b).

Hashes Abjad value object.

Returns integer.

__le__(other, NotImplemented=NotImplemented)¶: Return a <= b. Computed by @total_ordering from (a < b) or (a == b).

abstract __lt__(argument)¶

Is true when pitch-class is less than argument.

Returns true or false.

Gets interpreter representation of Abjad object.

Returns string.

Methods

abstract invert(axis=None)¶

Inverts pitch-class about axis.

Returns new pitch-class.

abstract multiply(n=1)¶

Multiplies pitch-class by n.

Returns new pitch-class.

abstract transpose(n=0)¶

Transposes pitch-class by index n.

Returns new pitch-class.

Read-only properties