solar {tripEstimation}R Documentation

Calculate solar postion parameters

Description

Pre-calculates astronomical solar position components for Earth-location sampling functions.

Usage

solar(day)

Arguments

day vector of date-time values

Value

A list of the following values for each input time:

solarTime solar time
sinSolarDec sine solar declination
cosSolarDec cosine solar declination

Note

No account is made for horizon refraction, but this was available in the original (Javascript) code.

Author(s)

Michael D. Sumner

References

[NOAA website]


[Package tripEstimation version 0.0-24 Index]