Generate wavelength, wavenumber and wave frequency axis labels in SI units,
using SI scale factors. Output can be selected as character, expression (R
default devices) or LaTeX (for tikz device).
Usage
w_length_label(unit.exponent = -9,
format = getOption("photobiology.math", default = "R.expression"))
w_number_label(unit.exponent = 0,
format = getOption("photobiology.math", default = "R.expression"))
w_frequency_label(unit.exponent = 9,
format = getOption("photobiology.math", default = "R.expression"))
Arguments
unit.exponent
integer
format
character string, "R", "R.expresion", "R.character", or
"LaTeX".