Plot spectra matrix.

Source: R/plotmat.R

Plots the spectra matrix.

plotmat(
  object,
  y = ".row",
  ylab,
  col = alois.palette(20),
  ...,
  contour = FALSE
)

Arguments

object

hyperSpec object
y

character giving the name of the extra data column to label the y axis.
ylab

y axis label, defaults to "row" and the label of the extra data column used for the y axis, respectively.
col

see graphics::image()
...

further parameters for graphics::image()
contour

should graphics::contour() be called instead of graphics::image()?

Details

If package plotrix is available, a color legend is plotted to the right. The right margin is set to at least 5 lines.

See also

graphics::image(), graphics::contour(), levelplot()

Author

Claudia Beleites

Examples

plotmat(laser, col = alois.palette(100))

plot(laser, "mat")

plotmat(laser)
plotmat(laser, contour = TRUE, add = TRUE)

## use different y axis labels

plotmat(laser, "t")

plotmat(laser, laser$t / 3600, ylab = "t / h")