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, 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 <-
>> sunriset(lat.long, sequence, direction="sunrise", POSIXct=TRUE) sunset
>> <- sunriset(lat.long, sequence, direction="sunset", POSIXct=TRUE) ss
>> <- data.frame(sunrise, sunset) ss <- ss[,-c(1,3)]
>> colnames(ss)<-c("sunrise", "sunset") return(ss)
>> }
>
>> I believe that he is refering to the code that I wrote above, which
>> relies heavily on map tools (to say the least).
>
> So what's the problem? You specified timezone="UTC" so that's what
> you're getting. WRT the warnings I do not get them, but the string
> passed may be wrong or some definitions as missing from his system.
> Sorry I cannot help with that.
>
>
> --
> Seb
>
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>
--
Stephen Sefick
Research Scientist
Southeastern Natural Sciences Academy
Let's not spend our time and resources thinking about things that are
so little or so large that all they really do for us is puff us up and
make us feel like gods. We are mammals, and have not exhausted the
annoying little problems of being mammals.
-K. Mullis
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