plotBaseline: Plot method for "baseline" objects

Description

Plot the original spectrum, the estimated baseline, and the corrected spectrum. Optionally zoom and pan plot, either with arguments or interactively.

Usage

# S4 method for baseline
plot(x, y, specNo = 1, grid = FALSE, labels = 1:n, rev.x = FALSE,
     zoom = NULL, ...)
plotBaseline(x, y, specNo = 1, grid = FALSE, labels = 1:n, rev.x = FALSE,
             zoom = list(xz = 1, yz = 1, xc = 0, yc = 0), ...)

Arguments

x: The baseline object to be plotted
y: Unused. Ignored with a warning
specNo: The row number of the spectrum and baseline to plot. Defaults to 1
grid: Logical. Whether to show a grid or not. Defaults to FALSE
labels: Vector. Labels for the x tick marks. Defaults to 1:n
rev.x: Logical. Whether the spectrum should be reversed. Defaults to FALSE
zoom: Either TRUE (only for the plot method), which turns on the interactive zoom controls, or a list with components xz, xc, yz and yc, which specifies the desired zoom and pan. Defaults to no zoom or pan
...: Other arguments. Currently ignored

Author

Kristian Hovde Liland and Bjørn-Helge Mevik

Details

The normal way to plot baseline objects is to use the plot method. The plotBaseline function is the underlying work-horse function, and is not meant for interactive use.

Examples

Run this code

data(milk)
bl <- baseline(milk$spectra[1,, drop=FALSE])
if (FALSE) {
  # Computationally intensive
  plot(bl)
  plot(bl, zoom = TRUE)}