Re: GrandStaff vertical distance

[foxfanfare]

Thanks for your reply SoundsFromSound, unfortunately, this doesn't solve my
problem. I may have been unclear of what the problem is.

I tried to understand how it was possible to configure in LP a full score
layout. I searched for some templates and read how family groups works
(http://lilypond.org/doc/v2.19/Documentation/notation/displaying-staves#grouping-staves).

But I noticed a problem when you use a combination of two groups. LP seems
to add spaces on top and below a new group, even if this group was already
in another group. Let's take this example: 
https://www.henle.de/en/detail/?Title=Piano+Concerto+no.+2+B+flat+major+op.+83_7231

You can notice (page 17) that the four horns, violins I-II and Cello-Double
Bass are grouped with a brace. I made a copy of this example : 
Piano_Concerto_Template.ly
<http://lilypond.1069038.n5.nabble.com/file/t5604/Piano_Concerto_Template.ly>  

The first page illustrate the use of the GrandStaff to achieve this (as
proposed in the documentation:
http://lilypond.org/doc/v2.19/Documentation/learning/orchestra-choir-and-piano).
You can notice that the staves aren't disposed properly by default with this
solution.

This means that one should avoid the use of "GrandStaff" for this purpose in
order to avoid any new space. I used in the second page of my exemple the
property systemStartDelimiterHierarchy. This works better for most of the
cases, but in this example, I was unable to group the celli and double bass
staves...

What I was trying to achieve, is to make the template look harmonious by
default, without having to adjust manually those extra undesirables spaces. 

I hope my explanation of the problem is now clear!

staff-spaces.JPG
<http://lilypond.1069038.n5.nabble.com/file/t5604/staff-spaces.JPG>  



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