Dear Keith,
thanks very much for Your very good explanations.
I think, the best solution would be to write the dynamics in the lower
staff, as You suggested.
2011/7/25 Keith OHara <k-ohara5...@oco.net>
> On Mon, 25 Jul 2011 11:52:06 -0700, Stefan Thomas <
> kontrapunktstefan@googlemail.**com <kontrapunktste...@googlemail.com>>
> wrote:
>
> I thought I could also solve problem in the below quoted snippet with and
>>
>> override of minimum-Y-extent. But unfortunately, I get a bad collision
>> between dynamics and and the next staff:
>>
>
> The crescendo to ff spans a line of music that crosses staves. LilyPond
> lets you cross any number of staves, but to do so she ignores collisions of
> spanners that cross staves. You might want to use #(ly:set-option
> 'debug-skylines) to see outlines of what items get space reserved for them.
>
> The crescendo runs through the ottava bracket even without the override.
> Extending the ff downward with (-12 . 0) lowered the cresc. , but did not
> push the next staff down because the ff is part of a line that Lilypond
> believes is allowed to cross staves.
>
> I would place the dynamics in the lower primo staff
> primoB = { \clef bass
> \crescTextCresc
> s2\< s8 s8\ff s4
> }
> If you need the dynamics in their logical voice (for MIDI output?) the you
> could use
> \once\override DynamicLineSpanner #'Y-offset = #-19
> before the note with the \< to specify where you want the dynamics line
> relative to the *upper* staff (its original staff).
>
> I recommend you use "\once" before any override of minimum-Y-extent, and
> use it on items that are fixed to a staff. In this case the only solid item
> I see is the last rest in secundoA
> \once\override Rest #'minimum-Y-extent = #'(0 . 6)
> r2
>
> Four-hand modern piano music will be very frustrating, or maybe very
> rewarding, to typeset.
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