library(lubridate)
library(ggplot2)
library(StreamMetabolism)
library(xts)
library(reshape)
library(scales)
14797_grebs <- sunrise.set(52.340307,12.657069, "2021/01/01", timezone="MET", num.days=370)
sunrise <- 14797_grebs$sunrise
sunset <- 14797_grebs$sunset
sunrise <- strftime(sunrise, format="%R", tz="MET")
sunset <- strftime(sunset, format="%R", tz="MET")
14797_grebs["sr"] <- as.POSIXct(sunrise, format = "%H:%M")
14797_grebs["ss"] <- as.POSIXct(sunset, format = "%H:%M")
14797_grebs["timestamp"] <- align.time(14797_grebs$sunrise, 60*10)
14797_grebs <- 14797_grebs[c("timestamp", "sr", "ss")]
locsrss <- ggplot(14797_grebs, aes(x=14797_grebs$timestamp)) + geom_line(aes(y=14797_grebs$sr)) + geom_line(aes(y=14797_grebs$ss)) + labs(title = " Sonnenauf-/Sonnenuntergang - 14797_grebs 2021", x = "Datum", y = "Zeit")
pdf("14797_grebs_SA_SU.pdf", paper="a4r", width=11)
locsrss
dev.off()
png(filename="14797_grebs_SA_SU.png", width = 1400, height = 800, units = "px")
locsrss
dev.off()
14797_grebs["Sonnenaufgang"] <- strftime(14797_grebs$sr, format="%H:%M")
14797_grebs["Sonnenuntergang"] <- strftime(14797_grebs$ss, format="%H:%M")
write.table(14797_grebs, file="14797_grebs_SaSu.csv", dec=',', sep=';', row.names=FALSE)