Re: I would like to buy this enhancement (highly motivated buyer)

[Rick Hansen (aka RickH)]

Thanks for the suggestion Mats.

My motivation for this is that I am currently writing some lesson material
that reference full scores and would like to make a nice word processor
document that flows, with illustrations embedded in the text, and the text
flows around the illustrations, etc. (an old school typography look with no
grids or tables).  Something that really looks nice and has an "artful" use
of typography and imbedded illustrations.  I found that I needed dozens of
music snippets from the original, and was wasting a lot of time massaging my
already-completed-just-fine scores to put the excerpted notes into dedicated
variables for re-use, tags, skiptypesetting, etc.  Times having to do that
for all the vertical staffs, lyrics, chord names, across the needed
measures, amplified the work.

Finally I threw my hands up in frustration and thought of how I would make
such a document using just a simple typewriter and xActo knife.

All I really needed was a way to tell my score to also create some snippets
of itself and deposit those results into stable file names that my Word
document references.  This way I can keep things in-synch easily, because
the Word document references, (does not imbed), the actual snippet files, so
they are always up to date in the Word processor just by recompiling the
score when changes occur there.

I'm open to any suggestions for improving the workflow I've described.




Mats Bengtsson-4 wrote:
> 
> There are some possibilities to do this today.
> 
> 1. Read "Skipping Corrected Music". You can add a separate identifier
> that you redefine to something like
> select = {
> \set Score.skipTypesetting = ##t \skip 1*20
> \set Score.skipTypesetting = ##f \skip 1*8 \set Score.skipTypesetting =
> ##t
> }
> to get a certain snippet. However, as you quickly will find out, this 
> solution
> has some problems.
> 
> 2. Use the \tag feature to mark the different snippets.
> 
>    /Mats
> 
> Rick Hansen (aka RickH) wrote:
>> I've been using LP for a while now and waiting for the time when I think
>> I
>> could finance a very useful enhancement.  Now I have something that I
>> would
>> like to sponsor, and I think it would be a very worthwhile enhancement,
>> especially for musicologists.  Please tell me if there already is a way
>> to
>> do what I am about to describe, as that will save me some money in
>> sponsoring it.
>>
>> Requirement:
>>
>> A method whereby I can take an existing LP score, and by adding a simple
>> array list (new property) to the \paper block, have lilypond "cut up" the
>> score into several pre-defined cutouts of the full score.  Each fragment
>> being an eps file that contains only the measures I asked for.  Here is
>> an
>> example of what the source code MIGHT look like, (I dont profess to know
>> scheme so I leave final implementation language up to the developer).
>>
>>
>> Example of possible solution:
>>
>> %EXAMPLE BEGIN
>>
>> (define-public mysnippets '(
>>    ("measures04thru08.eps" . (cons (* 04) (* 08)))
>>    ("measures20thru24.eps" . (cons (* 20) (* 24)))
>>    ("measures01thru06.eps" . (cons (* 01) (* 06)))
>>    ("measures09thru18.eps" . (cons (* 09) (* 18)))
>>    ("measures30thru30.eps" . (cons (* 30) (* 30)))
>>    ("measures34thru35.eps" . (cons (* 34) (* 35)))
>>    ("measures02thru04.eps" . (cons (* 02) (* 04)))
>>    ("measures40thru47.eps" . (cons (* 40) (* 47)))
>> ))
>>
>>
>> \Paper
>>      cutout-rectangles = #(alist->hash-table mysnippets)
>> }
>>
>> %EXAMPLE END
>>
>>
>> Benefits:
>>
>> 1) The user would write their musical score as they always do.
>>
>> 2) They would then define an alist that lists all the "cutouts" they want
>> to
>> extract, for each cutout they would specify a file name, the starting
>> measure number, and the ending measure number.
>>
>> 3) Upon compiling their score as usual, the full PDF will be generated as
>> always, but in addition all the "cutouts" will be outputted to the file
>> names provided in the alist.  The contents of each cutout rectangle would
>> match exactly, verbatim, to that area of the full score.
>>
>> 4) The users word processor would be set up to "include" these snippet
>> rectangle eps files where needed.
>>
>> 5) The contents of each eps would be as though I physically took a razor
>> blade and "cutout" that rectangle from the paper.  Each cutout would
>> contain
>> all vertical staffs at the named measures exactly as shown in the full
>> score, including chordnames, lyrics, tabs, whatever.
>>
>>
>> Logically I think this enhancement belongs in the \paper block because it
>> is
>> really meant to be a score that has been "cutup" for use by a "pasteup"
>> artist.  Probably the best way to do it would be a post-process that
>> takes
>> the full .ps file and carves out the rectangles from that.  That would
>> insure that they always match the full score perfectly.  Maybe "comment
>> markers" can be embedded in the ps file at lily run time, then all the
>> post-processor has to do is find the markers and write out the postscript
>> "cutouts" to separate files based on from/to markers?
>>
>> How much would this cost to develop based on whatever way YOU think is
>> best
>> to implement/code it?  I am really only interested in the resulting
>> capability, not how it actually gets accomplished.
>>
>>
>> Thanks
>> Rick
>>
>>
>>   
> 
> -- 
> =============================================
>       Mats Bengtsson
>       Signal Processing
>       Signals, Sensors and Systems
>       Royal Institute of Technology
>       SE-100 44  STOCKHOLM
>       Sweden
>       Phone: (+46) 8 790 8463                         
>         Fax:   (+46) 8 790 7260
>       Email: address@hidden
>       WWW: http://www.s3.kth.se/~mabe
> =============================================
> 
> 
> 
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> 

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