Function that coverts spectral energy irradiance into spectral photon irradiance (molar).
e2q(x, action, byref, ...)# S3 method for default
e2q(x, action = "add", byref = FALSE, ...)
# S3 method for source_spct
e2q(x, action = "add", byref = FALSE, ...)
# S3 method for response_spct
e2q(x, action = "add", byref = FALSE, ...)
# S3 method for source_mspct
e2q(x, action = "add", byref = FALSE, ...)
# S3 method for response_mspct
e2q(x, action = "add", byref = FALSE, ...)
an R object
a character string
logical indicating if new object will be created by reference or by copy of x
not used in current version
default: Default method
source_spct: Method for spectral irradiance
response_spct: Method for spectral responsiveness
source_mspct: Method for collections of (light) source spectra
response_mspct: Method for for collections of response spectra
Other quantity conversion functions: A2T,
T2A, as_energy,
as_quantum_mol, as_quantum,
e2qmol_multipliers,
e2quantum_multipliers, q2e