Re: Initialize new grob property

[Timothy Lanfear]

On 26/01/17 09:08, Urs Liska wrote:
> Am 26.01.2017 um 09:56 schrieb Timothy Lanfear:
> > Maybe ly:grob-set-object! or ly:grob-set-property! They have identical
> > descriptions although the implementations differ.
> Thanks, but I have the impression that these affect the created object,
> basically to do what \override does. But I want to ensure that a grob
> *without* any explicit override to still have that default value.
>
> Of course I could test if the propery is set to a meaningful value, but
> that sounds somewhat unclear to me.
>
> Best
> Urs

Doesn't set-object-property! do what you need? "In obj's property list, 
set the property named key to value."

https://www.gnu.org/software/guile/docs/docs-1.8/guile-ref/Old_002dfashioned-Properties.html#Old_002dfashioned-Properties



> > On 26/01/17 08:06, Urs Liska wrote:
> > > Hi all,
> > >
> > > I've created a new grob property through
> > >
> > > #(set-object-property! 'curve-layer 'backend-type? integer?)
> > >
> > > I can now override this in the music, but it starts with an empty list
> > > (it seems, at least that's what is printed). How can I initialize that
> > > to, say, 1? I grepped for set-object-property! but didn't find any use
> > > from which I could deduce how to do that.
> > >
> > > I want to do that in the initialization code, without requiring the user
> > > to explicitly put an override somewhere in the music or a \layout.
> > >
> > > Any suggestions? TIA
> > > Urs

--
Timothy Lanfear, Bristol, UK.