The :mod:`fview` program provides a simple extensibility mechanism. In outline, the steps required are:
- Create a subclass of :class:`fview.traited_plugin.HasTraits_FViewPlugin`.
- Implement your GUI interaction using traits.
- Implement your realtime processing logic in your class's
process_frame()method. Note that this code will be run in a separate thread of execution from the GUI, so be careful to avoid share memory structures without locking. The buf argument is a numpy array (or else supports the numpy array interface). - Optionally, handle the various options allowed by FView.
- Finally, register your FView plugin.
To test your plugin, you can you the :command:`fview` command directly, or you may use :command:`fview_fmf_replay` to test your plugin on a saved video recording.
In your setup.py, use setuptools an add a motmot.fview.plugins
key to entry_points. For the above example, this would be:
entry_points = {
'motmot.fview.plugins':'fview_ext_trig = motmot.fview_ext_trig.fview_ext_trig:FviewExtTrig',
}
.. toctree:: fview-plugin-tutorial-histogram.rst fview-plugin-tutorial-periodic-trigger.rst fview-plugin-tutorial-change-trigger.rst