[Gmsh] Feedback on new Gmsh API

Juan Sanchez juan.e.sanchez at gmail.com
Tue Dec 5 16:26:11 CET 2017

Thanks for doing this.

Will it be possible for commands sent to the API to be serialized to a
GEO file?  This is so the structure can be programmatically defined in
a scripting language, and have the result sent to someone without the
API.  In addition, is it possible to view the results debugged in the



On Sun, Dec 3, 2017 at 2:19 AM, Christophe Geuzaine <cgeuzaine at uliege.be> wrote:
> Dear all,
> One of our main goals for the next versions of Gmsh is the release of a stable Application Programming Interface (API), allowing users/developers to easily embed Gmsh (as a library) in their own codes. The design goals for this API are the following: the API should
> - allow to do everything that can be done in .geo files (and then more)
> - be robust, in particular to wrong input data (i.e. "never crash")
> - allow to do simple things, simply
> - be maintainable over the long run
> To achieve these goals the API
> - is purely functional
> - only uses basic types from the target language (C++, C or Python)
> - is automatically generated from a master API description file
> - is fully documented
> An initial version of the API has landed in the Git repository, and we would like to get your early feedback. It is defined in the https://gitlab.onelab.info/gmsh/gmsh/blob/master/api directory:
>   - C++ header: https://gitlab.onelab.info/gmsh/gmsh/blob/master/api/gmsh.h
>   - C header: https://gitlab.onelab.info/gmsh/gmsh/blob/master/api/gmshc.h
>   - Python module: https://gitlab.onelab.info/gmsh/gmsh/blob/master/api/gmsh.py
> Several examples on how to use the C++ and Python API are available in the https://gitlab.onelab.info/gmsh/gmsh/blob/master/demos/api directory. In particular, this directory contains C++ and Python versions of several of the .geo tutorials from https://gitlab.onelab.info/gmsh/gmsh/blob/master/tutorial.
> We plan to release a first (beta) version of the API in Gmsh 3.1, and a first stable version in Gmsh 4.0.
> You can send your feedback directly to the mailing list, or comment in the issue tracker https://gitlab.onelab.info/gmsh/gmsh/issues/188.
> Thanks,
> Christophe
> --
> Prof. Christophe Geuzaine
> University of Liege, Electrical Engineering and Computer Science
> http://www.montefiore.ulg.ac.be/~geuzaine
> Free software: http://gmsh.info | http://getdp.info | http://onelab.info
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