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Locomotion kinematics analysis

Project description

Kino

Kino is a python package to compute and analyze locomotion kinematics from 2D animal tracking data. This is currently still under development and is thus not ready for use yet.

Installation

    pip install kino

Basic concepts

The scripts folder containtes .py files illustrating single concepts in kino while docs contains jupyter notebooks explaining these concepts more in details (work in progress)

Animal

  • docs not ready -

Geometry

Kino.geometry contains code to intuitively represent and manipulate geometric entiteis such as trajectories and vectors.

Trajectory

A kino.geometry.Trajectory object stores a set of XY coordinates denoting the position of e.g. a tracked body part over time. Trajectory can compute kinematics variables such as:

  • velocity vector
  • acceleration vector
  • tangent direction vector
  • normal direction vector
  • curvature
  • angle
  • speed
  • angular velocity
  • angular acceleration

and can optionally perform smoothing over these variables.

Some of the kinematics variables are scalar, while others are (two dimensional) vector quantities. These are represented by the kino.geometry.Vector class.

docs/trajectory.png

Vector

The kino.geometry.Vector class represents a 2D vector (or a sequence of 2D vectors, e.g. the velocity vector over a sequence of frames). It implements methods that you would expect to perform operations on vectors (vectors addition and scalar multiplication) and other convenient methods (e.g. to get the vector magnitude or angle as well as the dot product between vectors).

Locomotion

  • docs not ready -

Draw

Code to facilitate plotting of kino elements such as geometric object, Animal and Locomotion.

  • docs not ready -

Animate

Code to create smooth animations from kinematics data.

  • docs not ready -

Development

Kino is still very much under active development and it will be so for the next few months. For more information, or if you'd like to contribute, get in touch.

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