hydroTSM (version 0.2-0)

drawxaxis: Customized 'x' axis

Description

For a nicer ts plot, this function draws a customized x axis, with daily, monthly, or annual time marks and labels.

Usage

drawxaxis(x, tick.tstep = "months", lab.tstep = "years", cex.axis=1, ...)

Arguments

x

time series that will be plotted using the X axis that will be draw class(x) must be ts or zoo

tick.tstep

Character indicating the time step that have to be used for putting the ticks on the time axis. Valid values are: days, months, years.

lab.tstep

Character indicating the time step that have to be used for putting the labels on the time axis. Valid values are: days, months, years.

cex.axis

magnification of axis annotation relative to cex (See par).

...

further arguments passed to the Axis function or from other methods.

Examples

## Loading the SanMartino precipitation data
data(SanMartinoPPts)
x <- window(SanMartinoPPts, end=as.Date("1935-12-31"))

## Plotting the daily ts without an 'x' axis
plot(x, xaxt = "n", col="blue" )

## Draws monthly ticks in the 'x' axis, but labels only in years
drawxaxis(x, tick.tstep="months", lab.tstep="years", xlab="Time")