Re: [R] sunrise, sunset calculation

2004-06-21 Thread Mike Sumner
The Johns Hopkins University/Applied Physics Laboratory also has an IDL library with solar elevation code in a file named sunstuff.pro http://fermi.jhuapl.edu/s1r/idl/s1rlib/local_idl.html At 09:09 PM 6/21/2004, Angel Lopez wrote: but it might be better to say that R code 'uses noaa algorithms'

Re: [R] sunrise, sunset calculation

2004-06-21 Thread Mike Sumner
It was through Hill et al. (2001) that I eventually found the NOAA website: http://www.soest.hawaii.edu/PFRP/elec.tagdata/tagdata.html Hill, Roger D., and Melinda J. Braun (2001). Geolocation by Light Level - The Next Step: Latitude. In: J.R. Sibert and J. Nielsen (Eds.), Electronic Tagging and

Re: [R] sunrise, sunset calculation

2004-06-21 Thread Angel Lopez
Martin Maechler wrote: >> "Mike" == Mike Sumner <[EMAIL PROTECTED]> >>on Mon, 21 Jun 2004 19:04:00 +1000 writes: > > > > Mike> At 06:26 PM 6/21/2004, Angel Lopez wrote: > >> Are there any functions available to calculate sunrise and sunset times >> for given latitude,longit

Re: [R] sunrise, sunset calculation

2004-06-21 Thread Martin Maechler
> "Mike" == Mike Sumner <[EMAIL PROTECTED]> > on Mon, 21 Jun 2004 19:04:00 +1000 writes: Mike> At 06:26 PM 6/21/2004, Angel Lopez wrote: >> Are there any functions available to calculate sunrise and sunset times >> for given latitude,longitude and dates? >> If not, I'l

Re: [R] sunrise, sunset calculation

2004-06-21 Thread Mike Sumner
At 06:26 PM 6/21/2004, Angel Lopez wrote: Are there any functions available to calculate sunrise and sunset times for given latitude,longitude and dates? If not, I'll appreciatte any pointers to C code I could use/port. Thanks, Angel Hello, I have R code for determining solar elevation for given

[R] sunrise, sunset calculation

2004-06-21 Thread Angel Lopez
Are there any functions available to calculate sunrise and sunset times for given latitude,longitude and dates? If not, I'll appreciatte any pointers to C code I could use/port. Thanks, Angel __ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.