Aligning the vertical spacing of markups attached to notes

[Jonathan Myers]

Hi all,

I'm putting together some materials for students in an intro music theory class. I've made a series of chords and I'd like to place roman numerals beneath each one. Currently, I am carrying this out by making markup objects and attaching them to notes on my bass staff like this:

_V_ = abjad.Markup('V', direction=abjad.Down)

_i_ = abjad.Markup('i', direction=abjad.Down)

abjad.attach(_V_, bass_notes[0])
abjad.attach(_i_, bass_notes[1])

This works, but the vertical spacing is dependant on the position of the notehead that each markup is attached to, which looks pretty bad:

What is the best way to have these roman numeral be at a consistent vertical alignment?

Thanks!

Jon 

[Martín Rincón Botero]

Hi Jonathan,

one option is to override the staff padding. Another option you can try is to put all harmonic functions in a Lyrics context. This last option is probably the best one to try. If you need anything fancier, David Nalesnik has a special tool for that https://github.com/davidnalesnik/lilypond-roman-numeral-tool . I haven’t tried it myself though.

Martín.

www.martinrinconbotero.com

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[Gilberto Agostinho]

Hi Jon,

I think this is just a matter of applying the right amount of padding to TextScript. Compare:

{
    <c' e' g'>2_"I" <b d' g'>_"V" <a c' f'>_"IV" <g b d'>_"V"
}
{
    \override TextScript.padding = #3.5
    <c' e' g'>2_"I" <b d' g'>_"V" <a c' f'>_"IV" <g b d'>_"V"
}

Producing: https://i.postimg.cc/j5W4g6WV/Screenshot-from-2021-04-20-18-22-46.png

So in Abjad, you can just attach a padding override to the first note of your bass line. Hope this helps.

Cheers,
Gilberto