metmod¶
Metric modulation.
Functions
Makes metric modulation markup. |
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- evans.metmod.calculate_tempo_modulated_duration(original_tempo=((1, 4), 60), new_tempo=((1, 4), 120), duration=Duration(1, 1))[source]¶
>>> evans.calculate_tempo_modulated_duration( ... original_tempo=((1, 4), 60), ... new_tempo=((1, 4), 120), ... duration=abjad.Duration((1, 1)), ... ) Duration(2, 1)
>>> evans.calculate_tempo_modulated_duration( ... original_tempo=((1, 4), 72), ... new_tempo=((1, 4), 83), ... duration=abjad.Duration((23, 8)), ... ) Duration(1909, 576)
- evans.metmod.metric_modulation(metronome_mark=((1, 4), 60), left_note=Note("c'8"), right_note=Note("c'8."), modulated_beat=Note("c'4"))[source]¶
Makes metric modulation markup.
>>> m = evans.metric_modulation( ... metronome_mark=((1, 4), 96), ... left_note=(abjad.Tuplet(multiplier=(5, 3), components=[abjad.Note()])), ... right_note=(abjad.Note("c'4")), ... modulated_beat=(abjad.Note("c'4")), ... ) >>> staff = abjad.Staff("c'1") >>> abjad.attach(m, staff[0]) >>> score = abjad.Score([staff]) >>> moment = "#(ly:make-moment 1 25)" >>> abjad.setting(score).proportional_notation_duration = moment >>> file = abjad.LilyPondFile( ... items=[score], ... includes=["/Users/evansdsg2/abjad/docs/source/_stylesheets/abjad.ily"], ... global_staff_size=16, ... ) >>> abjad.show(file)
>>> m = evans.metric_modulation( ... metronome_mark=((1, 4), 96), ... left_note=(abjad.Note("c'4.")), ... right_note=(abjad.Note("c'4")), ... modulated_beat=(abjad.Note("c'4")), ... ) >>> staff = abjad.Staff("c'1") >>> abjad.attach(m, staff[0]) >>> score = abjad.Score([staff]) >>> moment = "#(ly:make-moment 1 25)" >>> abjad.setting(score).proportional_notation_duration = moment >>> file = abjad.LilyPondFile( ... items=[score], ... includes=["/Users/evansdsg2/abjad/docs/source/_stylesheets/abjad.ily"], ... global_staff_size=16, ... ) >>> abjad.show(file)
>>> m = evans.metric_modulation( ... metronome_mark=((1, 4), 71), ... left_note=( ... abjad.Tuplet(multiplier=(10, 9), components=[abjad.Note("c'16")]) ... ), ... right_note=(abjad.Note("c'16")), ... modulated_beat=(abjad.Note("c'4")), ... ) >>> staff = abjad.Staff("c'1") >>> abjad.attach(m, staff[0]) >>> score = abjad.Score([staff]) >>> moment = "#(ly:make-moment 1 25)" >>> abjad.setting(score).proportional_notation_duration = moment >>> file = abjad.LilyPondFile( ... items=[score], ... includes=["/Users/evansdsg2/abjad/docs/source/_stylesheets/abjad.ily"], ... global_staff_size=16, ... ) >>> abjad.show(file)
>>> m = evans.metric_modulation( ... metronome_mark=((1, 4), 40), ... left_note=(abjad.Tuplet(multiplier=(2, 3), components=[abjad.Note("c'2")])), ... right_note=(abjad.Note("c'2")), ... modulated_beat=(abjad.Note("c'4")), ... ) >>> staff = abjad.Staff("c'1") >>> abjad.attach(m, staff[0]) >>> score = abjad.Score([staff]) >>> moment = "#(ly:make-moment 1 25)" >>> abjad.setting(score).proportional_notation_duration = moment >>> file = abjad.LilyPondFile( ... items=[score], ... includes=["/Users/evansdsg2/abjad/docs/source/_stylesheets/abjad.ily"], ... global_staff_size=16, ... ) >>> abjad.show(file)