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This is an example of a Gyoto plug-in.
To make your own,
1- choose a cool name;
2- copy this directory (plugins/null/) somewhere;
3- edit configure.ac, lib/Makefile.am and lib/InitPlug.C: replace any
occurrence of "null" with your cool name;
4- add new metrics and astrobjs as needed in lib/ and include/, the
gyoto source code is also full of examples;
5- edit lib/InitPlug.C to register your new classes (rename it to
CoolPlug.C if you wish);
6- add the name of the required C++ source files to the
libgyoto_null_la_SOURCES variable in lib/Makefile.am (this variable
should have been renamed to libgyoto_<cool-name>_la_SOURCES by
now);
7- run autoreconf (whenever you edit any configure.ac or Makefile.am
file), then ./configure, make, make install...
8- if installing to default directories (/usr/local/lib), you may need
to run 'sudo ldconfig'
9- You can now start using your plug-in by loading it with any of the
available methods:
- In XML: <Astrobj plugin="null" kind="null"/>
- On the command line: gyoto -pstdplug,null ...
- In Python:
gyoto.requirePlugin('null')
- In all cases: export GYOTO_PLUGINS="stdplug,null".
For further details, refer to the Gyoto user manual, section entitled
`Writing a C++ plug-in' (as of writing, Sect. 8.2).
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