movement.kinematics

Description

Compute variables derived from position data.

Functions

compute_acceleration	Compute acceleration array in Cartesian coordinates.
compute_backward_displacement	Compute backward displacement array in Cartesian coordinates.
compute_displacement	Compute displacement array in Cartesian coordinates.
compute_forward_displacement	Compute forward displacement array in Cartesian coordinates.
compute_forward_vector	Compute a 2D forward vector given two left-right symmetric keypoints.
compute_forward_vector_angle	Compute the signed angle between a reference and a forward vector.
compute_head_direction_vector	Compute the 2D head direction vector given two keypoints on the head.
compute_kinetic_energy	Compute kinetic energy per individual.
compute_pairwise_distances	Compute pairwise distances between individuals or keypoints.
compute_path_length	Compute the length of a path travelled between two time points.
compute_speed	Compute instantaneous speed at each time point.
compute_time_derivative	Compute the time-derivative of an array using numerical differentiation.
compute_velocity	Compute velocity array in Cartesian coordinates.