[JW Lua] Set staff to chromatic transposition

[Aaron Sherber]

Unfortunately, Hide Key Signature and keyless scores don't do what I want
-- they both assume an underlying key. (So, for example, any Cs and Fs I
enter in a Bb clarinet part automatically become sharped.) It seems that
only chromatic transposition lets me enter what I see on the page with no
alterations. I can't understand why Finale implemented keyless scores this
way; Sibelius got it right.

I did diff the Enigma dumps to see what was going on; it wasn't immediately
clear to me what the differences represent, but I'll take another look. In
any case, this isn't hugely important -- just would be a nice time saver to
have a script to change all key sig transposed staves to chromatic.

Thanks,
Aaron.





On Thu, Mar 30, 2023 at 9:44 AM Robert Patterson <
robert at robertgpatterson.com> wrote:

> I can't recall ever having figured this out. I would encourage you not to
> use Chromatic Transposition and instead to use Hide Key Signature and Show
> Accidentals instead. Chromatic Transposition is a legacy feature.
>
> That said, if you are determined to figure it out, you can use my Enigma
> Text Dump
> <https://robertgpatterson.com/-fininfo/-downloads/download-free.html>
> plugin with a text comparison tool as follows:
>
>    1. Create a small file containing only the value you want to change.
>    2. Run the Text Dump plugin and save to somewhere easy: i usually save
>    to my Desktop folder (mac) as 1.txt.
>    3. Make the change in Finale that you are interested in.
>    4. Run the Text Dump plugin and save to 2.txt.
>    5. Compare the results with your text tool.
>
> This shows you the scope of changes you need to make to accomplish your
> task.
>
>
>
> On Thu, Mar 30, 2023 at 7:58 AM Aaron Sherber <aaron at sherber.com> wrote:
>
>> Hi all,
>>
>> I'm wondering if anyone knows the secret sauce for changing a transposing
>> staff from key signature transposition to chromatic transposition.
>>
>> If I take a staff with key sig transposition and set TransposeChromatic
>> to true, then odd things happen to other values. For example, a Bb clarinet
>> staff with key sig has interval=1, alter=2. Once I set TransposeChromatic,
>> those numbers immediately change to interval=67, alter=0. And it turns out
>> that the values I actually want in order to get things to look right are
>> interval=2, alter=0. Horn in F starts with interval=4, alter=1 and goes to
>> interval=2, alter=1 after setting TransposeChromatic. And if I try setting
>> alter=0, it becomes -1.
>>
>> Am I missing something here?
>>
>> Thanks,
>> Aaron.
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>>
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