Description Usage Arguments Value Examples
Simulates light macro environment based on latitude, day of the year. Other coefficients can be adjusted.
1 2 | lightME(lat = 40, DOY = 190, t.d = 12, t.sn = 12,
atm.P = 1e+05, alpha = 0.85)
|
lat |
the latitude, default is 40 (Urbana, IL, U.S.). |
DOY |
the day of the year (1–365), default 190. |
t.d |
time of the day in hours (0–23), default 12. |
t.sn |
time of solar noon, default 12. |
atm.P |
atmospheric pressure, default 1e5 (kPa). |
alpha |
atmospheric transmittance, default 0.85. |
a list
structure with components
1 2 3 4 5 6 7 8 9 |
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