Latitude (degrees) of the point of the Earth where
calculations are needed.
It is positive for locations above the Equator.
BTd
Daily time base, a POSIXct object which may be
the result of fBTd. It is not considered if BTi
is provided.
sample
Increment of the intradaily sequence. It is a character
string, containing one of â"sec"â, â"min"â, â"hour"â.
This can optionally be preceded by a (positive or
negative) integer and a space, or followed by â"s"â. It is
used by seq.POSIXt.
It is not considered if BTi is provided.
BTi
Intradaily time base, a POSIXct object to be used by
fSolI. It could be the index of the G0I argument
to calcG0.
EoT
logical, if TRUE the Equation of Time is
used. Default is TRUE.
keep.night
logical, if TRUE (default) the night is
included in the time series.
method
character, method for the sun geometry
calculations to be chosen from 'cooper', 'spencer', 'michalsky' and
'strous'. See references for details.
Value
A Sol-class object.
Author(s)
Oscar Perpiñán Lamigueiro.
References
Cooper, P.I., Solar Energy, 12, 3
(1969). "The Absorption of Solar Radiation in Solar Stills"
Perpiñán, O. (2012), "solaR: Solar Radiation and Photovoltaic
Systems with R", Journal of Statistical Software, 50(9), 1-32,
http://www.jstatsoft.org/v50/i09/