ais_segment: Create navigation tracks from AIS data.

In EffetsCumulatifsNavigation/ceanav: Research compendium for project on the assessment cumulative effects of marine vessel activities in the St. Lawrence

Create navigation tracks from AIS data.

Description

A function to create navigation tracks from AIS data based on maximum distance and maximum time interval between observations.

Usage

ais_segment(df, time_interval = (300/60), distance = (50 * 1.61 * 1000))

Arguments

time_interval	maximum time interval allowed between points, in hours
distance	maximum distance allowed between points, in meters
ais	csv of AIS positional data

Details

This function takes basic .csv files containing AIS observation data and creates line segments divided by individual boats (MMSI field) and by a user defined maximum time internal and distance between observations.

Examples

# Example 1:
ais <- ais_segment(df)

EffetsCumulatifsNavigation/ceanav documentation built on April 17, 2023, 1:02 p.m.