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JI Notation Spreadsheet - The Sagittal forum

JI Notation Spreadsheet

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George Secor
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JI Notation Spreadsheet

Postby George Secor » Fri Apr 22, 2016 10:59 am

Sagittal-JI.xls
Sagittal JI notation for factored ratio
(181.5 KiB) Downloaded 85 times
Eight years ago I created a spreadsheet that computes Sagittal notation for any factored JI ratio (up to the 61 prime limit) at 4 different levels of precision. See attachment "Sagittal-JI.xls". Enter a (signed) integer corresponding to a prime factor into each of the cyan-colored cells below each prime number. The mixed Sagittal notation appears in the colored cells from A9 thru E15.

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Dave Keenan
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Re: JI Notation Spreadsheet

Postby Dave Keenan » Fri Apr 22, 2016 12:33 pm

Thanks George. How hard would it be to add a one-symbol-per-prime notation to that? Or should that be the subject of a separate spreadsheet?

Juhani
Posts: 31
Joined: Sun Sep 06, 2015 12:14 am

Re: JI Notation Spreadsheet

Postby Juhani » Fri Apr 29, 2016 1:33 am

And would it be possible to make a version, possibly an online calculator on this forum, with actual Sagittal accidentals rather than the extremely-unpleasant-to-read and off-putting ASCII symbols? - I now got the Spreadsheet working, though, I don't know what the problem was previously: it didn't calculate anything. It's an excellent tool! It would be great if there were a Sagittal notation calculator with staff notation, the actual accidentals (and perhaps, the Sagispeak names), as well as playback. Such a program already exists for the Sabat JI notation system.

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Dave Keenan
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Re: JI Notation Spreadsheet

Postby Dave Keenan » Fri Apr 29, 2016 2:51 pm


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George Secor
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Joined: Tue Sep 01, 2015 11:36 pm
Location: Godfrey, Illinois, US

Re: JI Notation Spreadsheet

Postby George Secor » Tue May 24, 2016 12:39 pm

I have made a minor update to the Sagittal JI spreadsheet that resolves a problem associated with the one-symbol-per-prime notation. Previously there was no way to distinguish 41C (81:82) from 5C (80:81), which were represented by the same symbol :/|: at the olympian (or extreme precision) level. By defining the symbol boundaries using 809-EDA (magrathean) rather than 233-EDA (olympian) values, the lower boundary for :/|: is increased slightly so that 41C is now notated by :/|: :.: without affecting any of the olympian-level symbol definitions.
Attachments
Sagittal-JI.xls
Sagittal JI notation for factored ratio
(107.5 KiB) Downloaded 69 times


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