Thank you for the tip about solrad. I don't need it right now, but I shall certainly have a use for it soon.
On Wed, 31 Jan 2024 at 02:42, Kevin Thorpe <kevin.tho...@utoronto.ca> wrote: > > There is also the package solrad that might do some of this. It is more > intended for calculating solar radiation, which is probably not what you > want, but may do other things you may find helpful. > > > > On Jan 30, 2024, at 5:44 AM, Enrico Schumann <e...@enricoschumann.net> > > wrote: > > > > On Tue, 30 Jan 2024, Richard O'Keefe writes: > > > >> Given > >> - UTC timestamp > >> - a location (latitude,longitude,elevation) > >> I want to know > >> - the sun angles > >> - the moon angles > >> - the phase of the moon. > >> I looked on CRAN for astronomy, but didn't notice anything that seems > >> to offer what I want. I could try coding these functions myself, but > >> "if you didn't write it you didn't wrong it". > >> > > > > A quick search showed several candidate packages: > > > > https://cran.r-project.org/package=suntools > > https://cran.r-project.org/package=suncalc > > > > (but I don't use any of those packages) > > > > Perhaps also worth asking at: > > https://stat.ethz.ch/mailman/listinfo/R-SIG-Geo/ > > > > > > -- > > Enrico Schumann > > Lucerne, Switzerland > > http://enricoschumann.net > > > > ______________________________________________ > > R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see > > https://stat.ethz.ch/mailman/listinfo/r-help > > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > > and provide commented, minimal, self-contained, reproducible code. > > -- > Kevin E. Thorpe > Head of Biostatistics, Applied Health Research Centre (AHRC) > Li Ka Shing Knowledge Institute of St. Michael’s Hospital > Assistant Professor, Dalla Lana School of Public Health > University of Toronto > email: kevin.tho...@utoronto.ca Tel: 416.946-8083 > > > ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.