Re: repeating bar numbers and rehearsal marks in frenched score

[Mark Knoop]

At 14:11 on 29 Jul 2016, David Kastrup wrote:
>Mark Knoop <address@hidden> writes:
>> At 11:26 on 29 Jul 2016, David Kastrup wrote:  
>>>Mark Knoop <address@hidden> writes:  
>>>> At 22:09 on 28 Jul 2016, David Kastrup wrote:  
>>>>>What you are looking for, however, is a
>>>>>class of simple omission problems.  Maybe we can solve this
>>>>>completely differently? Like using "alignAboveContext"  being given
>>>>>the StaffGroup context name? And just squashing it when the
>>>>>StaffGroup to align above is missing?
>>>>>
>>>>>That would appear to match the problem space well enough again.  
>>>>
>>>> OK, this could be another approach. But this would require a new
>>>> property to request this behaviour.  
>>>
>>>I don't see why.  Care to explain?  
>>
>> Currently this:
>>
>> \score {
>>   <<
>>     \new Staff = "staffone" \with {
>>       alignAboveContext = "keepstaffonealive"
>>       \override NoteHead.color = #red
>>     } { \repeat unfold 120 c'4 }
>>     \new StaffGroup = "keepstaffonealive" <<
>>       \new Staff = "stafftwo" \with {
>>         \RemoveEmptyStaves
>>         \override NoteHead.color = #blue
>>       } { \repeat unfold 20 c'4 R1*20 \repeat unfold 20 c'4 }  
>>     >>  
>>     \new Staff = "staffthree" \with {
>>     } { \repeat unfold 120 c'4 }  
>>   >>  
>> }
>>
>> keeps staffone alive all the time. The desired behaviour is that
>> staffone is only alive while stafftwo is also alive (via the proxy of
>> the StaffGroup). If just specifying alignAboveContext kills staffone
>> when that context goes away, surely that's a fairly major change of
>> behaviour. But perhaps I have misunderstood your approach.  
>
>Hm, so your take is that alignAboveContext is more for establishing
>order rather than a connection to the particular named context.  Maybe.

The documentation seems pretty clear on this:

http://lilypond.org/doc/v2.19/Documentation/notation/context-layout-order

http://lilypond.org/doc/v2.19/Documentation/learning/satb-with-aligned-contexts

http://lilypond.org/doc/v2.19/Documentation/learning/size-of-objects#index-alignAboveContext-property_002c-example

-- 
Mark Knoop