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MANUALE OPERATIVO PER IL RESTAURO ARCHITETTONICO. La QUARTA edizione del Manuale raccoglie una panoramica di soluzioni indirizzate alla conservazione del patrimonio edilizio storico. Le procedure illustrate analizzano e descrivono sia operazioni attinenti al restauro, sia interventi propri del.
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What is Google Summer of Code? Is a global program that offers students stipends to write code for free software and open source projects during the summer. For three months students work to complete a given task as part of the project’s community and under the guidance of experienced mentors. The program is an excellent opportunity for students to gain experience with real-world software development and make a contribution that benefits everyone. It brings new contributors to LilyPond and enables students who are already involved to become more involved. LilyPond participates in GSoC as part of the. We have had GSoC participants in 2012, 2015, 2016 and 2017.
This site will be updated in time before the 2018 season will start. Project Ideas List Below is a list of GSoC project ideas (last update: May 2017), but if you have other ideas for a project you may complete within the three months of the program you’re welcome to make a suggestion on our developer mailing list (see ). There are a number of areas where LilyPond could be improved, and our development team is always willing to help those who would like to tackle a project similar to those listed below.
As mentor availability varies from project to project and from year to year it is wise to get in touch with us as early as possible. A full list of all the current open issues can be found. Adopt the SMuFL music font encoding standard For several years now a new standard for music fonts has been around:, which is also discussed as becoming part of a future W3C standard for music encoding. As a FLOSS tool LilyPond should adhere to such an open standard instead of using an isolated solution like it does today.
Adopting SMuFL will help integrating LilyPond with the world of music notation software and eventually give LilyPond users access to a wider selection of notation fonts. Making LilyPond compliant to SMuFL includes remapping of the glyphs that are built from METAFONT sources, adjusting the glyphs’ metrics to SMuFL’s specifications, and finally updating the way LilyPond looks up and positions the glyphs. As an optional part of this project LilyPond’s font loading mechanism could be modified to use notation fonts installed as system fonts instead of inside the LilyPond installation. Difficulty: Easy/medium Requirements: C++ and willingness to get familiar with LilyPond internals.
Recommended: Interest and experience in working with font files. A little bit of METAFONT. Mentors: Werner Lemberg, Abraham Lee Adding variants of font glyphs. • Adding ‘on’ and ‘between’ staff-line variants. • Shorter and narrower variants of some glyphs for example, accidentals. Another, more specific example could be an ancient notation breve notehead coming in two variants one with a small or big ‘hole’ within it.
Difficulty: easy Requirements: MetaFont, C++, good eye for details Recommended knowledge: basic LilyPond knowledge Mentor: Werner Lemberg Contemporary Notation LilyPond is very good at creating non-standard notation. Having to code every graphical element instead of simply drawing it may seem cumbersome but is in fact a strong asset. New notational functionality can be provided with consistent appearance, automatic layout and a natural syntactic interface. Within the library system the student will create a fundamental infrastructure and building blocks to make creating contemporary notation easier.
Additionally (at least) one concrete package is developed to cover specific contemporary notation, such as for example the style of a given composer, extended playing techniques for a specific instrument or a certain category of effects. Difficulty: medium Requirements: Scheme (interaction with LilyPond internals), contemporary notation techniques Recommended: sense of building hierarchical frameworks Mentors: NN, Urs Liska Rewrite LibreOffice LilyPond Extension with Python The extension made it possible to conveniently include LilyPond score snippets in OpenOffice.org/LibreOffice Writer, Draw and Impress documents while keeping source and image together. After many years without development an initial effort has started to make the extension compatible again with current versions of LibreOffice and LilyPond. However, as the LibreOffice ecosystem has changed substantially it is now possible to rewrite the extension with Python and PyQt.
This will not only be more powerful in general but will allow the integration of functionality from, such as for example syntax highlighting, entry helpers, score wizards or musical transformations. Difficulty: easy/medium Requirements: Python, PyQt, LilyPond basics, LibreOffice extension basics Recommended knowledge: Familiarity with Frescobaldi code based or willingness to learn during bonding period Mentor(s): Joram Berger, Urs Liska, (Thorsten Behrens/LibreOffice) Automated testing and documentation for openLilyLib is an extension framework for LilyPond code providing a “snippets” repository and a suite of integrated packages such as for example page layout tools or scholarly annotations. It is very powerful and promising, but to really get off the ground two features are missing: automated testing and documentation generation. Automated testing is necessary to ensure modifications to functionality don’t break other functions within the library. There is already some Automated Testing of the “snippets” repository with Github’s Travis server, but this has to be reconsidered and extended to cover the standalone packages too. In order to be usable for a wider range of LilyPond users on a “consumer level” openLilyLib needs proper documentation. This documentation has to be generated from the sources, so a system is needed that requires package authors to document the input files and provide additional usage examples, from which documentation is generated.
Ideally but not necessarily this is implemented as a Git hook, i.e. Automatically upon each update to the repository. We don’t prescribe the tools and approaches to be used, but the most widely used language in the LilyPond domain is Python, so there would be some bias towards that.
Alternatively a Scheme solution could be fine so generating the documentation would actually be triggered by “compiling” a certain LilyPond input file. In general it is advisable to make use of proven concepts and tools from other languages. The eventual output of the documentation should be a static HTML site that can be viewed locally and/or uploaded to a website. But it would be beneficial if the tool would first generate an intermediate representation (e.g. A JSON file with additional media files) from which a Single Page Application could retrieve content for display on openLilyLib’s. Development of such a SPA can be part of the GSoC project, but is optional.
Difficulty: medium Requirements: Python or Scheme, static website generator(s) or (Node.js based) dynamic web application technology. Continuous Integration (can be learned during the bonding period) Mentors: Urs Liska, Matteo Ceccarello MusicXML Improving MusicXML import and export functions: File interchange between LilyPond and other applications using MusicXML is still a difficult matter.
To import MusicXML it has to be converted manually by the musicxml2ly script. Export to MusicXML is only available as a rudimentary feature inside Frescobaldi. In order to provide natural interchange between LilyPond and MusicXML based applications there’s the need of actual import functionality and a dedicated export backend. Importing XML shall provide file, line and column to add origin attributes to generated objects. That way point and click can be made available in Frescobaldi or other supported IDEs.
Exporting XML shall be realized with an exporter class like the MIDI export. This may be based on the work already done in by David Garfinkle. It should be checked if it is possible to use another XML library than the one provided by guile-2 in order to have this feature available in current LilyPond (which is based on guile-1.8). Difficulty: medium Requirements: MusicXML, Python, Scheme, basic LilyPond knowledge Recommended: Familiarity with other scorewriters (for cross-testing) Mentor: Jan-Peter Voigt. Information for Applicants/Participants In order to have a satisfying experience with GSoC applicants are strongly advised to thoroughly read the following recommendations. Some of these are relevant for the application process, others for the time within the project. • Read all applicable information on the program’s website, particularly the.
Make sure you fulfil all of Google’s prerequisites and are willing to join the program as a full-time commitment over the coding period of three months. • Please get in touch with us as soon as possible if you are interested in applying with a project.
Mentor availability may change without notice, project proposals may need fine-tuning, and many other reasons might require us to reject or ignore an application that hasn’t been discussed before. • We do not know in advance how many “slots” we will have available for projects, so please be aware that you may find yourself in competition with other applicants or not. Interested or even enthusiastic response from our mentors is no guarantee of eventually being accepted, and not being accepted does not necessarily indicate a negative evaluation of your application. If we have to decide between different applicants there may be various aspects to consider. • Integration in the LilyPond community is a fundamental part of GSoC, and we expect our students to make substantial efforts to become community members.
Within the bonding period we expect you to write a blog post about your project (either on or on any other blog) and to be active on our mailing lists, introducing yourself but also communicating about unrelated tasks. This goes beyond the mere setting up of a working environment and familiarizing yourself with the relevant code, but we think it is crucial for the GSoC project to be mutually satisfying. • If you are accepted to the program you will have one mentor explicitly assigned to your project. With this mentor you will have to agree upon a communication strategy, be it emails, chatrooms, issue trackers or voice/video chats. Regular communication is absolutely crucial for the success of a GSoC project so you are stricly required to keep talking to your mentor. But keep in mind that your mentor has explicitly taken over the responsibility for your project, and while unlike you he isn’t paid for this activity you are still entitled to get regular attention from him. • In order to get support from your mentor you have to give him a chance to follow your progress and efforts.
Therefore it is important to regularly commit your changes to the versioning repository you are working on. Don’t hesitate making unfinished code available because you are afraid of criticism, and don’t suppress questions because you think they might be considered stupid. But ideally your code should at any time be accompanied by compatible testing code. Your mentor may not be able to properly assess your code by only reading it without the opportunity to apply it in a real example. There is a list of inactive projects in the. We list projects there that are still considered valuable but for which there are currently no mentors available. Two LilyPond projects in Google Summer of Code 2016 April 23, 2016 We are happy to see two students, Nathan Chou and Jeffery Shivers, working on LilyPond as participants in the Google Summer of Code this year.
We hope they produce great results and stay in the developer community afterwards. Nathan will tackle an annoying limitation, namely the unability of spanners to cross voices. His work will make a class of ugly workarounds obsolete. Jeffery will bring the ScholarLY package[1] to production quality and add a LaTeX package to it, making it possible to create beautiful critical reports from data encoded directly in the LilyPond score. Inactive Google Summer of Code project suggestions The following list describes GSoC projects that had been proposed in recent years and which are still considered valuable but for which we currently don’t have mentors available. Improve slurs and ties The engraving quality of slurs and ties is often unsatisfactory. Ties ‘broken’ by clef or staff changes are not handled well.
The project could include collecting and sorting examples of bad output, deciding on the intended output and writing code to improve them. Difficulty: hard Requirements: C++, experience with writing heuristics Recommended knowledge: LilyPond knowledge, aesthetic sense Grace notes Fix problems with synchronization of grace notes. Grace notes can interfere with LilyPond’s timing and cause odd effects, especially when multiple staffs are used where some have grace notes and others don’t. This is one of the longest-standing and one of the more embarrassing in LilyPond. Difficulty: medium Requirements: C++, MIDI Recommended: familiarity with LilyPond internals Improve default beam positioning For regular, cross-staff, broken and kneed beams.
Beaming should depend on context and neighbor notes (see section 2.2 of ). If possible also reduce beaming-computation time. Difficulty: medium Requirements: C++, experience with writing heuristics Recommended knowledge: aesthetic sense Help improve compilation behavior Automatic code analysis tools, like valgrind memory leak detection or callgrind code profilers, provide valuable information about possible flaws in our C++ code. Cleaning up warnings would allow us to automate the rejection of any patch which introduced extra warnings. Difficulty: medium Requirements: C++. LilyPond 2.19.16 released February 28, 2015 At long last, we are very happy to announce the release of LilyPond 2.19.16. This release includes a number of enhancements, and contains some work in progress.
You will have access to the very latest features, but some may be incomplete, and you may encounter bugs and crashes. If you require a stable version of LilyPond, we recommend using the 2.18 version. We would like to acknowledge and thank Masamichi Hosoda for making this release possible with his work on updating GUB, the build tool. LilyPond 2.18.1 February 16, 2014 We have released updated manuals for LilyPond’s stable version, 2.18. The manuals are now for 2.18.1 and have a number of updates and improvements over 2.18.0. There will be a further release of 2.18 in the future (2.18.2), and this will include the updates to the manuals as well as some minor enhancements to the LilyPond core functionality. To summarise the current situation: stable LilyPond application: 2.18.0; stable LilyPond manuals: 2.18.1; development for both: 2.19.2.
LilyPond 2.17.22 released! July 14, 2013 We are happy to announce the release of LilyPond 2.17.22. This release contains the usual number of bugfixes and enhancements, and contains some work in progress. You will have access to the very latest features, but some may be incomplete, and you may encounter bugs and crashes. If you require a stable version of LilyPond, we recommend using the 2.16 version. This update cures the issue with the Windows version crashing with a problem with positioning text.
The LilyPond Report #28. November 12, 2012 The focuses on the in Waltrop, Germany last August. Of course, there are also some musings on LilyPond triggered by the release of 2.16.0 and 2.17.0 occuring from that venue. There are also two monthly financial reports from David Kastrup whose work on LilyPond is by financial contributions from other developer and users (thank you!), and a report about experiences from using LilyPond internally.
Come now; comments and contributions are warmly encouraged! Release candidate 8 of 2.16 - LilyPond 2.15.41 released!
July 4, 2012 LilyPond 2.15.41 is out; this is the eighth release candidate of the upcoming 2.16 stable release. All users are invited to experiment with this version. New features since 2.14.2 are listed in the “Changes” manual on the website section about. There are no known Critical issues with this release. If no Critical bugs are found, then the official 2.16.0 release will be on 18 July 2012.
If you discover any problems, please send us. Release candidate 7 of 2.16 - LilyPond 2.15.39 released! May 22, 2012 LilyPond 2.15.39 is out; this is the seventh release candidate of the upcoming 2.16 stable release. All users are invited to experiment with this version. New features since 2.14.2 are listed in the “Changes” manual on the website section about.
There are no known Critical issues with this release. If no Critical bugs are found, then the official 2.16.0 release will be on 05 June 2012. If you discover any problems, please send us. Release candidate 5 of 2.16 - LilyPond 2.15.37 released! April 19, 2012 LilyPond 2.15.37 is out; this is the fifth release candidate of the upcoming 2.16 stable release. All users are invited to experiment with this version.
New features since 2.14.2 are listed in the “Changes” manual on the website section about. There are no known Critical issues with this release. If no Critical bugs are found, then the official 2.16.0 release will be on 03 May 2012. If you discover any problems, please send us. Release candidate 4 of 2.16 - LilyPond 2.15.36 released!
April 6, 2012 LilyPond 2.15.36 is out; this is the fourth release candidate of the upcoming 2.16 stable release. All users are invited to experiment with this version. New features since 2.14.2 are listed in the “Changes” manual on the website section about. There are no known Critical issues with this release. If no Critical bugs are found, then the official 2.16.0 release will be on 20 April 2012. If you discover any problems, please send us.
Release candidate 3 of 2.16 - LilyPond 2.15.30 released! Feb 17, 2012 LilyPond 2.15.30 is out; this is the third release candidate of the upcoming 2.16 stable release. All users are invited to experiment with this version.
New features since 2.14.2 are listed in the “Changes” manual on the website section about. There are no known Critical issues with this release. If no Critical bugs are found, then the official 2.16.0 release will be on 02 March 2012.
If you discover any problems, please send us. Release candidate 2 of 2.16 - LilyPond 2.15.12 released! Sep 20, 2011 LilyPond 2.15.12 is out; this is the second release candidate of the upcoming 2.16 stable release. All users are invited to experiment with this version. New features since 2.14.2 are listed in the “Changes” manual on the website section about.
There are no known Critical issues with this release. If no Critical bugs are found, then the official 2.16.0 release will be on 27 Sep 2011. If you discover any problems, please send us.
Release candidate 1 of 2.16 - LilyPond 2.15.8 released! Aug 01, 2011 LilyPond 2.15.8 is out; this is the first release candidate of the upcoming 2.16 stable release. All users are invited to experiment with this version. New features since 2.14.2 are listed in the “Changes” manual on the website section about. There are no known Critical issues with this release. If no Critical bugs are found, then the official 2.16.0 release will be on 08 Aug 2011.
If you discover any problems, please send us. Release candidate 7 of 2.14 - LilyPond 2.13.63 released! May 30, 2011 LilyPond 2.13.63 is out; this is the seventh release candidate of the upcoming 2.14 stable release.
All users are invited to experiment with this version. New features since 2.12.3 are listed in the “Changes” manual on the website section about. There are no known Critical issues with this release. If no Critical bugs are found, then the official 2.14.0 release will be on June 6, 2011. If you discover any problems, please send us.
Release candidate 6 of 2.14 - LilyPond 2.13.58 released! April 7, 2011 LilyPond 2.13.58 is out; this is the sixth release candidate of the upcoming 2.14 stable release.
All users are invited to experiment with this version. New features since 2.12.3 are listed in the “Changes” manual on the website section about. There are no known Critical issues with this release.
If no Critical bugs are found, then the official 2.14.0 release will be on April 14, 2011. If you discover any problems, please send us. Release candidate 5 of 2.14 - LilyPond 2.13.57 released!
April 3, 2011 LilyPond 2.13.57 is out; this is the fifth release candidate of the upcoming 2.14 stable release. All users are invited to experiment with this version. New features since 2.12.3 are listed in the “Changes” manual on the website section about. There are no known Critical issues with this release. If no Critical bugs are found, then the official 2.14.0 release will be on April 10, 2011.
If you discover any problems, please send us. Release candidate 4 of 2.14 - LilyPond 2.13.56 released!
Mar 29, 2011 LilyPond 2.13.56 is out; this is the fourth release candidate of the upcoming 2.14 stable release. All users are invited to experiment with this version. New features since 2.12.3 are listed in the “Changes” manual on the website section about. There are no known Critical issues with this release. If no Critical bugs are found, then the official 2.14.0 release will be on April 5, 2011. If you discover any problems, please send us.
Release candidate 3 of 2.14 - LilyPond 2.13.54 released! Mar 13, 2011 LilyPond 2.13.54 is out; this is the third release candidate of the upcoming 2.14 stable release.
All users are invited to experiment with this version. New features since 2.12.3 are listed in the “Changes” manual on the website section about. There are no known Critical issues with this release. If no Critical bugs are found, then the official 2.14.0 release will be on March 27, 2011. If you discover any problems, please send us. Release candidate 2 of 2.14 - LilyPond 2.13.49 released!
Feb 9, 2011 LilyPond 2.13.49 is out; this is the second release candidate of the upcoming 2.14 stable release. All users are invited to experiment with this version. New features since 2.12.3 are listed in the “Changes” manual on the website section about.
There are no known Critical issues with this release. If no Critical bugs are found, then the official 2.14.0 release will be on Feb 23, 2011. If you discover any problems, please send us. Release candidate 1 of 2.14 - LilyPond 2.13.46 released! Jan 12, 2011 LilyPond 2.13.46 is out; this is the first release candidate of the upcoming 2.14 stable release. All users are invited to experiment with this version. New features since 2.12.3 are listed in the “Changes” manual on the website section about.
There are no known Critical issues with this release. If no Critical bugs are found, then the official 2.14.0 release will be on 26 Jan 2011. If you discover any problems, please send us. Beta test three of 2.14 – LilyPond 2.13.44 released! Dec 25, 2010 LilyPond 2.13.44 is out; this is the third beta test of the upcoming 2.14 stable release. Users are invited to experiment with this version. New features since 2.12.3 are listed in the “Changes” manual on the website section about.
There is still one Critical problem with this release: in one case, the vertical spacing is much too compressed. If you decide to test this version, do not be surprised to discover problems; just send us polite. Beta test two of 2.14 – LilyPond 2.13.43 released! Dec 14, 2010 LilyPond 2.13.43 is out; this is the second beta test of the upcoming 2.14 stable release. Users are invited to experiment with this version. New features since 2.12.3 are listed in the “Changes” manual on the website section about.
There is still one Critical problem with this release: in one case, the vertical spacing is much too compressed. If you decide to test this version, do not be surprised to discover problems; just send us polite.
Beta test one of 2.14 – LilyPond 2.13.39 released! Nov 15, 2010 LilyPond 2.13.39 is out; this is the first beta test of the upcoming 2.14 stable release. Users are invited to experiment with this version.
New features since 2.12.3 are listed in the “Changes” manual on the website section about. Serial Number Sd Jukebox V2.4. There are still some Critical problems with this release: the vertical spacing is suspicious in two cases, and lilypond can crash with some odd input.
If you decide to test 2.13.39, do not be surprised to discover problems; just send us polite. Alpha test four of 2.14 – LilyPond 2.13.38 released!
Oct 31, 2010 LilyPond 2.13.38 is out; this is the fourth alpha test of the upcoming 2.14 stable release. Users are invited to experiment with this version. New features since 2.12.3 are listed in the “Changes” manual on the website section about. There are still some Critical problems with this release: the vertical spacing is suspicious in two cases, and lilypond can crash with some odd input. If you decide to test 2.13.38, do not be surprised to discover problems; just send us polite. Alpha test three of 2.14 – LilyPond 2.13.37 released! Oct 25, 2010 LilyPond 2.13.37 is out; this is the third alpha test of the upcoming 2.14 stable release.
Users are invited to experiment with this version. New features since 2.12.3 are listed in the “Changes” manual on the website section about. There are still some Critical problems with this release: the vertical spacing is suspicious in two cases, and lilypond can crash with some odd input. If you decide to test 2.13.37, do not be surprised to discover problems; just send us polite.
LilyPond 2.13.21 released! May 12, 2010 We are happy to announce the release of LilyPond 2.13.21. This release contains the usual number of bugfixes. However, a number of critical issues still remain, so this release is intended for developers only. This release should be of particular interest to package maintainers: we have made a few changes to the configure script and the required libraries. Barring any urgent bug reports, this is the build system and libraries that will be used for the next stable release.
LilyPond 2.11.65 — Release Candidate. December 2, 2008 This release has improvements to MusicXML import, contributed by Reinhold Kainhofer, and adds support for splitting a book in several book parts, contributed by Nicolas Sceaux. Nested contexts of the same type are now allowed with any depth, and overriding nested properties can be done with list syntax, thanks to Neil Puttock. This is hopefully the last Release Candidate before stable release 2.12, so you are welcome to test this release if you can to report new issues.,,.
LilyPond 2.11.58 available. September 13, 2008 LilyPond 2.11.58 is a beta release, which means the next stable release is expected in a few weeks.
This release is also special, as it includes code which supports more flexible automatic accidentals rules, written several months ago by Rune Zedeler, deceased since then. All the development team express their condolences to his family and his friends. Besides this, automatic beaming has been improved by Carl Sorensen, support for creating stem flags in a new style has been contributed by Reinhold Kainhofer, and a few bugs have been fixed.,,.