feat(plot.OutputsModel): add an AxisTS atgument to manage x-axis on time series plots

Refs # 122

man/plot.OutputsModel.Rd

@@ -21,6 +21,7 @@ Function which creates a screen plot giving an overview of the model outputs.
 \method{plot}{OutputsModel}(x, Qobs = NULL, IndPeriod_Plot = NULL,
      BasinArea = NULL, which = "synth", log_scale = FALSE,
      cex.axis = 1, cex.lab = 0.9, cex.leg = 0.9, lwd = 1,
+     AxisTS = function(x) axis.POSIXct(side = 1, x = x$DatesR, ...),
      LayoutMat = NULL,
      LayoutWidths = rep.int(1, ncol(LayoutMat)),
      LayoutHeights = rep.int(1, nrow(LayoutMat)),
@@ -49,6 +50,8 @@ Function which creates a screen plot giving an overview of the model outputs.
 
 \item{lwd}{(optional) [numeric] the line width (a positive number)}
 
+\item{AxisTS}{(optional) [function] to manage x-axis representing calendar dates and times on time series plots (see \code{\link{axis}} and \code{\link{axis.POSIXct}})}
+
 \item{LayoutMat}{(optional) [numeric] a matrix object specifying the location of the next N figures on the output device. Each value in the matrix must be 0 or a positive integer. If N is the largest positive integer in the matrix, then the integers {1, \dots, N-1} must also appear at least once in the matrix (see \code{\link{layout}})}
 
 \item{LayoutWidths}{(optional) [numeric] a vector of values for the widths of columns on the device (see \code{\link{layout}})}