Tracking Output

Tracking outputs a pandas dataframe with variables in addition to the variables output by Feature Detection (see Feature Detection Output). While this is a separate dataframe than the one output by Feature Detection, it is identical except for the addition of the columns listed below. The additional variables added by tracking, with column names listed in the Variable Name column, are described below with units.

Variables that are common to all tracking files:

tobac Tracking Output Variables

Variable Name

Description

Units

Type

cell

Tracked cell number; generally starts from 1. Untracked cell value can be set; but by default is -1.

n/a

int

time_cell

Time since cell was first detected.

minutes

object/python timedelta