Basic introduction to hand-tracking with Leap Motion sensor using simple Python APIs and its built-in Listener class to poll for events using threads. @NYCPython meetup

1. Python + Leap Motion
Intro to Leap Motion APIs in Python

2. IxDesigner, Edlab, Columbia University
Jo Chasinga
@jochasinga

3. @Edlab
“Edtech for learning interactions”
● Web / mobile apps
● Physical computing
● VR

4. What is Leap?

5. What is Leap?
● Optical sensors
● Infrared
● 25-600 mm above
● 150 degree

6. What is Leap?
● Hands
● Fingers, tools
● Bones
● Gestures

7. Toward NUI

9. Python SWIG
Leap(C)

10. Parent Class

11. helloleap.pystructure

15. Next steps
● Replace Listener with other event loop
● Hook up server -> frontend (D3.js, Three.js)
● Hook up GUI (Tkinter, iPython, PyQt)
● Hook up Game Engine, VR (Unity, Unreal)

16. Thank you
“Kob kun krub”
Questions?