Thanks to Torsten and Werner,
I'm going to use the postscript approach.
But what about the segment with arrows and centered text?
I googled a bit, and I also queried ChtaGPT but could not find anything
useful...
On Mon, Jun 3, 2024 at 11:46 AM Torsten Krueger <tors...@kryger.de> wrote:
> Paolo Prete wrote on 02.06.2024:
>
> > How can I draw a vertical (or even diagonal) line independently
> positioned
> > from the notes in the score, that can span across staves, as shown in the
> > figure?
>
> For drawing lines independently from notes I do not use Lilypond
> directly but postscript. For this purpose I have added a few lines of
> code right at the beginning in the definition of bookTitleMarkup like
> this (drawing two small horizontal lines in the page margins):
>
> --8<---------------cut here---------------start------------->8---
>
> bookTitleMarkup = \markup {
> \column {
> \postscript #"
> gsave
> initmatrix
> 1 setlinewidth 0 306 moveto 6 0 rlineto stroke
> 1 setlinewidth 377 306 moveto 6 0 rlineto stroke
> grestore"
> \fill-line {
> \fromproperty #'header:instrument
> ...
>
> --8<---------------cut here---------------end--------------->8---
>
> Don't know if it helps in your case, but maybe gives you an idea of how
> to proceed.
>
> Have fun
> Torsten
>
>
>
