try tz="America/Los_Angeles" it was three hours before tz="America/New_York"
On Mon, Nov 10, 2008 at 4:25 PM, Sebastian P. Luque <[EMAIL PROTECTED]> wrote:
> On Mon, 10 Nov 2008 15:27:52 -0500,
> "stephen sefick" <[EMAIL PROTECTED]> wrote:
>
>> library(maptools) sunrise.set <- function(lat, long,
On Mon, 10 Nov 2008 15:27:52 -0500,
"stephen sefick" <[EMAIL PROTECTED]> wrote:
> library(maptools) sunrise.set <- function(lat, long, date,
> timezone="UTC", num.days=1){ #this needs to be long lat# lat.long <-
> matrix(c(long, lat), nrow=1) day <- as.POSIXct(date, tz=timezone)
> sequence <- seq(
turday, November 08, 2008 17:09
To: R-help
Subject: Re: [R] maptools sunrise sunset function
Nevermind, when one puts in the proper coordinates in decimal degrees
everything works just fine.
thanks for you patience,
Stephen
On Sat, Nov 8, 2008 at 7:40 PM, stephen sefick <[EMAIL PROTECTED]>
w
library(maptools)
sunrise.set <- function(lat, long, date, timezone="UTC", num.days=1){
#this needs to be long lat#
lat.long <- matrix(c(long, lat), nrow=1)
day <- as.POSIXct(date, tz=timezone)
sequence <- seq(from=day, length.out=num.days , by="days")
sunrise <-
On Mon, 10 Nov 2008 11:20:03 -0800,
"Farley, Robert" <[EMAIL PROTECTED]> wrote:
> I have a time zone problem. Running the code provided I get the
> result in UTC, and a lot of warnings like this: 28: In
> as.POSIXlt.POSIXct(x, tz) ... : unknwon timezone 'PST'
>> sunrise.set(34.11583, -118.18719,
t of code snippets. I justify it by telling myself it
> helps me learn R.
>
>
>
>
>
>
> Robert Farley
> Metro
> www.Metro.net
>
> -----Original Message-
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
> On Behalf Of stephen sefick
> Sent: Saturday, November
ED] [mailto:[EMAIL PROTECTED]
On Behalf Of stephen sefick
Sent: Saturday, November 08, 2008 17:09
To: R-help
Subject: Re: [R] maptools sunrise sunset function
Nevermind, when one puts in the proper coordinates in decimal degrees
everything works just fine.
thanks for you patience,
Stephen
On Sat, No
Nevermind, when one puts in the proper coordinates in decimal degrees
everything works just fine.
thanks for you patience,
Stephen
On Sat, Nov 8, 2008 at 7:40 PM, stephen sefick <[EMAIL PROTECTED]> wrote:
> ##This is a function that I am trying to write to calculate sunrise
> and sunset and works
##This is a function that I am trying to write to calculate sunrise
and sunset and works "mostly", but returns nonsensical values. What
am I #missing? Thanks in advance.
###remember to include maptools as dependence###
library(maptools)
sunrise.set <- function(lat, long, date, timezone="UTC", nu
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