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SongTrellis |
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Joe, I have these functions built into the SongTrellis Editor for Mac in two different forms. On the program's Transform menu, there is a Reverse Notes command which replaces the selection with the originally selected notes arranged in reverse order. There is also a Reverse Pitches, which reassigns the pitches from notes in the selection in reverse order leaving the durations of the selected notes in their original order. There is an Invert Pitches Melodically command which is the inversion operation you are expecting. Added to these there are the Rotation operators, Rotate Notes Left, Rotate Notes Right, Rotate Pitches Left, and Rotate Pitches Right. The Rotate Notes Left operator cuts out the leftmost note in a selection and pastes it after all of the remaining notes in the selection, causing all of the remaing notes to slide one position left in the selection.. Rotate Notes Right cuts out the rightmost note in a selection an pastes it in front of the original selection causing the remaining notes to slide one position to the right. Rotate Pitches Left does not alter the sequence of note durations in the original selections but moves all pitches in the selection to the note immediately on the left with the first pitch moving to the end of the selection. Rotate Pitches Right does not alter the sequence of note durations in the original selections but moves all pitches in the selection to the note immediately on the right with the last pitch moving to the beginning note of the selection. Because these variation techniques are never guaranteed to produce a variation that your ears will automatically accept I figured it was necessary to give users a chance to audition the results of these operations before permanently changing the score. For that reason, the editor has a Variations menu which provides commands which apply a whole collection of these operations to a selection and collect the varied results in a notebook (a set of named entries like Word glossary). Each variation is given a title in the notebook that describes the operation that was applied to the original selection to produce that variation. You can listen to any variation in the notebook by its lonesome self or in context in the original score. A link is maintained between the notebook and the original selection so that you can temporarily listen to a specific variation in the context of the piece rather than the original selection. The original selection is left unchanged in the original score until the user presses a button on the Notebooks control bar which permanently replaces the original selection with a particular variation. Sorry to be tantalizing, but I wanted to let you know that your webmaster has been thinking about this stuff and thinks that they are natural features to have available in a music editor. There are responses to this message:
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Last update: Friday, February 28, 2003 at 9:13 PM. |
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