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Re: Relative distance of other contexts in stencil callback
From: |
David Kastrup |
Subject: |
Re: Relative distance of other contexts in stencil callback |
Date: |
Sat, 05 Oct 2019 19:01:26 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) |
"Urs Liska" <address@hidden> writes:
> Hi all,
>
> is it possible from a stencil callback to retrieve the relative Y
> distance from the grob's staff to another staff given the other
> staff's name?
>
> We want to create frames spanning multiple staves without having to do
> so in separate slices (see
> https://github.com/openlilylib/analysis/wiki/Frames for the general
> description and https://github.com/openlilylib/analysis/issues/3 for
> the context of the current discussion).
>
> If I know the relative position of another staff I can adjust the
> Y-Extent of the frame to include the other staff.
>
> Any suggestions?
Take a look at ly:grob-common-refpoint and ly:grob-relative-coordinate
. Do they help?
--
David Kastrup