library(lubridate)
library(ggplot2)
library(StreamMetabolism)
library(xts)
library(reshape)
library(scales)
Essen <- sunrise.set(51.4579352,7.0148281, "2024/01/01", timezone="MET", num.days=370)
sunrise <- Essen$sunrise
sunset <- Essen$sunset
sunrise <- strftime(sunrise, format="%R", tz="MET")
sunset <- strftime(sunset, format="%R", tz="MET")
Essen["sr"] <- as.POSIXct(sunrise, format = "%H:%M")
Essen["ss"] <- as.POSIXct(sunset, format = "%H:%M")
Essen["timestamp"] <- align.time(Essen$sunrise, 60*10)
Essen <- Essen[c("timestamp", "sr", "ss")]
locsrss <- ggplot(Essen, aes(x=Essen$timestamp)) + geom_line(aes(y=Essen$sr)) + geom_line(aes(y=Essen$ss)) + labs(title = " Sonnenauf-/Sonnenuntergang - Essen 2024", x = "Datum", y = "Zeit")
pdf("Essen_SA_SU.pdf", paper="a4r", width=11)
locsrss
dev.off()
png(filename="Essen_SA_SU.png", width = 1400, height = 800, units = "px")
locsrss
dev.off()
Essen["Sonnenaufgang"] <- strftime(Essen$sr, format="%H:%M")
Essen["Sonnenuntergang"] <- strftime(Essen$ss, format="%H:%M")
write.table(Essen, file="Essen_SaSu.csv", dec=',', sep=';', row.names=FALSE)