Re: scheme code generate variable series with leading "\"

[MING TSANG]

Harm,  thank you very much.Immanuel,Ming

  From: Thomas Morley 
 To: MING TSANG  
Cc: David Kastrup ; Lilypond-usermailinglist 

 Sent: Tuesday, August 9, 2016 6:44 AM
 Subject: Re: scheme code generate variable series with leading "\"
   
2016-08-09 12:20 GMT+02:00 MING TSANG :

> Thomas, how to use "$@(reverse (map cdr mel))"?

Hi,

try below.
Uncommenting the displaying may help to see whats going on.

mel.1 = { c'4 }
mel.2 = { d' }
mel.3 = { e' }

%% make visible whats going on, i.e. print to terminal
%#(display-scheme-music mel)
%#(display-scheme-music (reverse (map cdr mel)))
%\void \displayLilyMusic { $@(reverse (map cdr mel)) }

\new Staff { $@(reverse (map cdr mel)) }


HTH,
  Harm


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Re: Frescobaldi MusicXML import

[imj-muz...@bluewin.ch]

Hello Johan,

... but Jeep the original line breaks, to ease score fine tuning.

Jacques Menu, iPhone

> Le 9 août 2016 à 12:34, Johan Vromans  a écrit :
> 
> With MusicXML, import could you please add --no-stem-directions to the
> settings?
> 
> Maybe even better (and easier) if MusicXML2ly had a power option to "Ignore
> everything that LilyPond can do better".
> 
> -- Johan
> 
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Re: scheme code generate variable series with leading "\"

[Thomas Morley]

2016-08-09 12:20 GMT+02:00 MING TSANG :

> Thomas, how to use "$@(reverse (map cdr mel))"?

Hi,

try below.
Uncommenting the displaying may help to see whats going on.

mel.1 = { c'4 }
mel.2 = { d' }
mel.3 = { e' }

%% make visible whats going on, i.e. print to terminal
%#(display-scheme-music mel)
%#(display-scheme-music (reverse (map cdr mel)))
%\void \displayLilyMusic { $@(reverse (map cdr mel)) }

\new Staff { $@(reverse (map cdr mel)) }


HTH,
  Harm

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Frescobaldi MusicXML import

[Johan Vromans]

With MusicXML, import could you please add --no-stem-directions to the
settings?

Maybe even better (and easier) if MusicXML2ly had a power option to "Ignore
everything that LilyPond can do better".

-- Johan

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Re: scheme code generate variable series with leading "\"

[MING TSANG]

David,  thank you for the scheme code for me. It works and save lots of typing. 
 Thank you very much.
Thomas, how to use "$@(reverse (map cdr mel))"?
Jan-peter, thank you for showing me another way of doing this.
Immanuel,Ming

  From: Thomas Morley 
 To: David Kastrup  
Cc: MING TSANG ; Lilypond-usermailinglist 

 Sent: Monday, August 8, 2016 10:51 AM
 Subject: Re: scheme code generate variable series with leading "\"
   
2016-08-08 14:15 GMT+02:00 David Kastrup :
> Thomas Morley  writes:
>
>> 2016-08-08 13:49 GMT+02:00 MING TSANG :
>>> Dear lilyponders:
>>> I do not know scheme code. Can scheme code to generate variable series with
>>> leading "\"?
>>> Detail question in the lily file attachment.
>>> Thank you for any help.
>>> Immanuel,
>>> Ming.
>>>
>>>
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>>> lilypond-user@gnu.org
>>> https://lists.gnu.org/mailman/listinfo/lilypond-user
>>>
>>
>> $@(reverse (map cdr mel))
>
> Ah, but the order in that is only "accidentally" correct.  If you define
> the pieces in a separate order, they will come out in different order.
> See my somewhat more tedious solution elsewhere.



True, ofcourse.

But the syntax allows for
mel.foo = { ... }
as well.
Your approach as well as Jan-Peters would fail on it.

Obviously the user is responsible in which order he/she defines. So
why not the most simple...

Or the user needs to sort the alist to fit his/her needs anyway.

Cheers,
  Harm


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