, 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]
wrote
]
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, Nov 8, 2008 at 7:40 PM
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,
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 -
] 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]
wrote:
##This is a function that I am trying to write to calculate
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,
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,
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,
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