Set the "time.unit" attribute of an existing source_spct object
Function to set by reference the "time.unit" attribute
setTimeUnit(
x,
time.unit = c("second", "hour", "day", "exposure", "none"),
override.ok = FALSE
)x |
a source_spct object |
time.unit |
character string indicating the time unit used for spectral irradiance or exposure ("second" , "day" or "exposure") or an object of class duration as defined in package lubridate. |
override.ok |
logical Flag that can be used to silence warning when overwriting an existing attribute value (used internally) |
x
This function alters x itself by reference and in addition
returns x invisibly. If x is not a source_spct or response_spct object, x is not modified.
The behaviour of this function is 'unusual' in that the default for
parameter time.unit is used only if x does not already have
this attribute set. time.unit = "hour" is currently not fully
supported.
Other time attribute functions:
checkTimeUnit(),
convertTfrType(),
convertThickness(),
convertTimeUnit(),
getTimeUnit()
my.spct <- sun.spct setTimeUnit(my.spct, time.unit = "second") setTimeUnit(my.spct, time.unit = lubridate::duration(1, "seconds"))
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