Interactivity & visualization
=============================


Keyboard input
--------------

- :doc:`Computer Keyboard Input <tutorial_26_keyboard_input>` — Demonstration of receiving computer keyboard events and using them to play notes based on the key number.
- :doc:`Notating Computer Keyboard Input <notation_engraving_from_live_input_keyboard_input_with_notation>` — Same as Computer Keyboard Input, except that a metronome is playing back while the user plays notes with the keyboard, and the result is rendered as music notation.
- :doc:`Key Plane <interactivity_visualization_keyboard_input_key_plane_example>` — Maps the computer keyboard onto a 2D grid of pitches with scamp_extensions' KeyPlane; each key press starts a flute note whose pitch and volume come from its row and column. *(needs scamp_extensions)*


Mouse input
-----------

- :doc:`Mouse Input <tutorial_27_mouse_input>` — Demonstration of receiving computer mouse events and using them to play notes based on x and y position.
- :doc:`Indispensability <composition_form_algorithmic_approaches_indispensibility_example>` — Mouse position controls a rhythmic texture based on Barlow's beat indispensability (barlicity extension). *(needs scamp_extensions)*


MIDI input
----------

- :doc:`Live MIDI input and output <tutorial_25_midi_in_out>` — Demonstration of receiving and sending live midi input to and from a midi keyboard.
- :doc:`MIDI Keyboard Mapper <interactivity_visualization_midi_input_midi_keyboard_mapper>` — A script written at the request of Paul Timmermans, in which different pitches or ranges of pitches on the keyboard can be mapped to particular instruments and chords.


Responding to a GUI
-------------------

- :doc:`Qt Interactive <interactivity_visualization_responding_to_a_gui_qt_interactive>` — A draggable PyQt rectangle drives live playback in a server session.


Visualization
-------------

- :doc:`Conway's Game of Life (pygame version) <composition_form_algorithmic_approaches_conway>` — Conway's Game of Life sonified, with a pygame window used for visualization instead of matplotlib. *(needs scamp_extensions)*
- :doc:`Barlicity <composition_form_larger_scale_form_evanstein_barlicity>` — A large interactive piece built on harmonicity and indispensability (barlicity extension), with multidimensional-scaling visualization in Qt. *(needs scamp_extensions)*
- :doc:`Leaf Loops <composition_form_larger_scale_form_leaf_loops>` — Generative process behind Marc Evanstein's "Leaf Loops" for violin and viola. *(needs scamp_extensions)*