R: Phase of day

dayPhase

R Documentation

Phase of day

Description

Given a start time and (optionally) a duration returns the phase of day at a given location. This is primarily used to calculate phase of day information for soundscape recording projects.

Usage

dayPhase(
  time = Sys.time(),
  duration = 2e+05,
  lat = 50.1,
  lon = 1.83,
  tz = "UTC"
)

Arguments

`time`	A time object representing the start time of a recording
`duration`	Duration of recording
`lat`	Latitude of recording device
`lon`	Longitude of recording device
`tz`	Time-zone of recording device when recording was made

Value

Data frame of day phases with absolute timestamps and relative times within file

Examples

dayPhase <- function(time=Sys.time(), duration=200000, lat=50.1, lon=1.83, tz="UTC")