[JW Lua] Weird accidental behaviour

[Robert Patterson]

P.S. You'll have to infer which is the horizontal offset position. I'm
pretty sure it's the 2nd-to-last number.

On Wed, Jul 8, 2020 at 8:21 AM Robert Patterson <robert at robertgpatterson.com>
wrote:

> This is a perfect use case for the Enigma Text Dump plugin I sent out a
> couple of days ago.
>
> 1. Dump your accidtest.musx file using the plugin.
> 2. Nudge an accidental right then left, so its position is unchanged.
> 3. Dump the file again using the plugin.
> 4. Compare.
>
> I just did it, to make sure it works, but I already knew the answer. This
> behavior of accidentals had a subtle change around 2000. I don't remember
> the exact date. If the handle is on the left, it means there is no
> FCAccidentalMod detail for that note. If it is on the right, it means there
> is.
>
> You can use the same process as above to determine what your offsets need
> to be.
>
> 1. Dump your original accidtest.musx file using the plugin.
> 2. Place the accidental where you want it to be.
> 3. Dump the file again using the plugin.
> 4. Compare
>
> I hope this helps.
>
>
>
> On Wed, Jul 8, 2020 at 8:05 AM Jan Angermüller <jan at angermueller.com>
> wrote:
>
>> Jari et al.,
>>
>> here is a weird accidental movement behaviour.
>>
>> When I use the Accidental Mover tool (or FCAccidentalMod ->
>> HorizontalPos) and change the horizontal position to a new value, the
>> accidental jumps onto the notehead (!) and takes the notehead as a new
>> reference position.
>> This Finale document was created with Fin2002a.
>> The normal behaviour is that the change of the horizontal position keeps
>> the reference position (i.e. far before the notehead) and moves only
>> according to the new value.
>>
>> See this video:
>> First the weird behaviour, then the normal behaviour (in the Fin2014
>> default document):
>> https://www.youtube.com/watch?v=wRLsU40Kog8
>>
>> While making this video I also noticed, that sometimes the anchor point
>> changed (!).
>> So maybe there used to be a flag in Finale (<=2002) which changed the
>> alignment point of the accidental.
>> Have a look at the 23. second in this video: I click on the anchor point
>> and it suddenly jumps from the right of the accidental to the left of the
>> accidental.
>> https://www.youtube.com/watch?v=6EjOfAlhwMM#t=20s
>> When the anchor point jumps (but this only happens very seldom, and I
>> can't reproduce it) and I check the FCAccidentalMod it suddenly returns a
>> -54 EVPU value for HorizontalPos. While by default (when the anchor point
>> hasn't jump before) it returns no existing accidental mod and thus a 0 EVPU
>> value.
>>
>> I haven't found a way to detect or to remove this behaviour yet. Probably
>> it's not even possible.
>> Attached is the document with the measure from the video where this weird
>> thing happens.
>>
>> Any ideas?
>> The only thing that came to mind: it was created with Fin2002a.
>> Maybe this was a bug in Fin2002a which they fixed in 2002b?
>> Or this was something available before 2002, but not supported anymore.
>>
>> Best,
>> Jan
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>>
>
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