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## Re: Shorthand for "once override"?

 From: Alasdair McAndrew Subject: Re: Shorthand for "once override"? Date: Fri, 4 Sep 2020 10:22:09 +1000

Many thanks, both for the event function, and to the blog post.  The latter looks quite tricky, but when I feel brave enough I'll give it a go.  Meanwhile, I'll experiment with the event function - which might in fact be preferable given that some of the marks are going to have to be individually tweaked anyway.

I wonder why Lilypond does not have some sort of simple system - which doesn't require lines of complex Scheme code - for creating a new accidental (or other expressive mark) to be attached to a note-head.

Alasdair

On Thu, Sep 3, 2020 at 10:28 PM Leo Correia de Verdier <leo.correia.de.verdier@gmail.com> wrote:
You can have an event function like:

\version "2.20.0"

mx = #(define-event-function (placement) (pair?)
#{
-\tweak extra-offset #placement
-\markup { \teeny \sans x }
#} )

{ f4 -\mx #'(1.6 . 1.4)
f' -\mx #'(1.5 . 1.43)
f'' -\mx #'(1.5 . 4.93)
f''' -\mx #'(1.5 . 8.53)
}

But if possible I would still follow Andrews suggestion go for a way where you don’t have to place each ornament by hand. Its quite advanced but as he said there is help to be gotten. Here is the first blog post he wrote about:

> 3 sep. 2020 kl. 01:11 skrev Alasdair McAndrew <amca01@gmail.com>:
>
> Thanks, Martin - that would be a great suggestion except that the numbers will change depending on the position of the note on the staff, and its surrounds - even including the direction of the stem.  Every time the symbol appears it will need to be carefully placed by hand, so to speak, to ensure it's in the right place.
>
> cheers,
> Alasdair
>
> On Wed, Sep 2, 2020 at 4:41 PM Martín Rincón Botero <martinrinconbotero@gmail.com> wrote:
> Hi Alasdair,
>
>
> mx = \markup { \translate #'(1.5 . -1.5) \teeny \sans x }
>  \score {
> f4^\mx
> }
>
> Regards,
> Martín.
>
> Am Mi., 2. Sept. 2020 um 08:00 Uhr schrieb Alasdair McAndrew <amca01@gmail.com>:
> In my attempt to typeset some early 18th century French music for viola da gamba, I'm trying to keep to the original notation as closely as possible.  Thus I'm using a breath mark to indicate a trill, and a sans-serif x for a mordent.  So for example, I have
>
> mx = \markup {\teeny \sans x}
>
> But to put this symbol next to its note (where it belongs), I have to write something like
>
>  \once \override TextScript #'extra-offset = #'(1.5 . -1.5) f4.^\mx
>
> to ensure it goes in the right place.  Is there any way of simplifying this?  Ideally, it'd be nice to be able to write something like
>
> f4.^{\mx 1.5 -1.5}
>
> and leave all the once override stuff out of the score itself.  Or is there another way of placing a symbol where I want it?
>
> Thanks,
> Alasdair
>
> --
> https://numbersandshapes.net
>
>
> --
> www.martinrinconbotero.com
>
>
> --
> https://numbersandshapes.net

--
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