IonizationChamber/Software/MeasurementAnalysis/drawDiagramSingle.R

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1.4 KiB
R

library(latticeExtra)
require(gridExtra)
require(grid)
# set error messages test to english
Sys.setenv(LANG = "en")
drawDiagramSingle <- function(samples) {
# date column should be type of date, not string, so parse it
png(filename = paste0("results-", format(Sys.time(), "%d_%b_%Y_%H_%M"), ".png"),
width = 800, height = 900, bg = "white")
samples$Time = as.POSIXct(samples$Time, format="%Y-%m-%d %H:%M:%S.%OS")
# create graphs
plotValueVsTime <- xyplot(Counter ~ Time,
data = samples,
type = "l",
grid = TRUE,
col.line = "black",
ylab = "counts per minute",
ylim=c(min(samples$Counter), max(samples$Counter)),
xlim=c(min(samples$Time), max(samples$Time)),
main = "Change over time")
plotHistogram <- histogram(samples$Counter,
color = "white",
col = "grey",
xlab = "counts",
ylab = "percentage",
main = "Histogram")
# show graphs
grid.arrange(plotValueVsTime, plotHistogram, nrow = 2)
# add timestamp
trellis.focus("toplevel")
pictureCreationTimestamp <- as.POSIXlt(Sys.time())
panel.text(0.85, 0.03, pictureCreationTimestamp, cex = 1.2, font = 2)
trellis.unfocus()
}