solarnoon-methods

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~~ Methods for Function solarnoon in Package `maptools' ~~

~~ Methods for function solarnoon in Package `maptools' ~~

Keywords
methods, spatial
Details

Usage:\ sunriset(crds, dateTime, POSIXct.out=FALSE)

Arguments:\

  • crds
{spatial positions} dateTime{POSIXct time object} \item{POSIXct.out}{return a fraction of day vector or a data frame with fraction of day values, and their POSIXct representation}

See Also

crepuscule-methods, sunriset-methods, solarpos-methods

Aliases
  • solarnoon-methods
  • solarnoon
  • solarnoon,ANY-method
  • solarnoon,SpatialPoints,POSIXct-method
  • solarnoon,matrix,POSIXct-method
Examples
## Location of Helsinki, Finland, in decimal degrees,
## as listed in NOAA's website
hels <- matrix(c(24.97, 60.17), nrow=1)
Hels <- SpatialPoints(hels, proj4string=CRS("+proj=longlat +datum=WGS84"))
d041224 <- as.POSIXct("2004-12-24", tz="EET")
solarnoon(hels, d041224, POSIXct.out=TRUE)
solarnoon(Hels, d041224, POSIXct.out=TRUE)
Documentation reproduced from package maptools, version 0.6-3, License: GPL version 2 or later (R and interface code), MIT (shapelib code)

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