Re: Openlilylib snippets announcement

[Trevor Bača]

Dear Andrew,

Just a quick note to tell you much I'm enjoying the pedal decorations work you implemented in openlilylib:

https://github.com/openlilylib/snippets/tree/master/notation-snippets/pedal-decorations

Being able to head a pedal bracket with L, M, R for the left, middle, right pedals is incredibly easy to do with the pedal decorations (and overcomes a hard limitation in LilyPond's default pedal spanner implementation which forbids custom markup). Thanks so much for publishing the work: all incorporated into the piano music I'm currently writing.

Also, I'm somewhat embarrassed to say that the pedal decorations were my first real interaction with openlilylib. Quite a collection of extensions! Other LilyPond users with even minimal Git experience will find it easy to clone the repository. And LilyPond users without Git experience might be interested in knowing that they can cut-and-paste directly from many of the openlilylib files directly into their own scores. The entire project is really worth checking out.

Thanks again,

Trevor.

On Tue, Nov 22, 2016 at 3:47 AM, Andrew Bernard <address@hidden> wrote:

Hello All,

 

Just letting you know that I have contributed some snippets to openlilylib worth having for doing some small things in contemporary style scores, but which need some Scheme coding.

 

Slashed beams

 

A function \slashBeam that can add a slash to the left or the right of a beamed group, with a fair degree of control over angle and position. This is a generalisation of work that others have created previously, in particular it extends the concept of \slash.

 

Slashed stems

 

The function \slashStem allows you to add a slash to a stem with a fair degree of control over position and angle. Note that this is a different case from slashing a beamed group. [There may be arguments against this but I wanted a separate function.] I developed this to make horizontal stem slashes, but it was easy to generalize.

 

Pedal decorations

 

People have often requested to be able to add cautionary labels to pedal brackets on continued lines. There have been many workarounds given. This solution in Scheme attacks the problem directly by modifying the bracket stencil. An arbitrary text label can be added, and optional continuation arrows can be added to the right hand end of the bracket. This style is commonly seen in contemporary scores.

 

These three new capabilities can be found under snippets/notation-snippets in the openlilylib repository.

 

If there do not exist bugs and defects I would be surprised. I am happy to take feedback and suggestions. The code is for the >= 2.19.45 releases. I have not tested on 2.18.2, and unless somebody requests, I don’t intend to.

 

Andrew

 

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Trevor Bača

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