using_Tfr: Use photobiology options
Description
Execute an R expression, possibly compound, using a certain setting for
spectral data related options.
Usage
using_Tfr(expr)using_Afr(expr)
using_A(expr)
using_energy(expr)
using_photon(expr)
using_quantum(expr)
Value
The value returned by the execution of expression.
Arguments
- expr
an R expression to execute.