measureDilatation: Collective dilatation order

Description Usage Arguments Value

Description

This is based off of Attanasi et al. 2014 paper on swarmes of midges where they define an order parameter that measures the extent to which particles are moving outward (positive) or inward (negative) toward the center of mass of the collective.

Usage

1
measureDilatation(frameData)

Arguments

frameData

A data frame with the columns R, C, u, and V specifying optical flow properties

Value

A scalar quantifying the dilatation order (as in Couzin et al. 2002)


MirceaDavidEsc/Collective documentation built on May 6, 2019, 7:23 a.m.