A2T: Convert absorbance into transmittance

In photobiology: Photobiological Calculations

Convert absorbance into transmittance

Description

Function that converts absorbance (a.u.) into transmittance (fraction).

Usage

A2T(x, action, byref, ...)

## Default S3 method:
A2T(x, action = NULL, byref = FALSE, ...)

## S3 method for class 'numeric'
A2T(x, action = NULL, byref = FALSE, ...)

## S3 method for class 'filter_spct'
A2T(x, action = "add", byref = FALSE, ...)

## S3 method for class 'filter_mspct'
A2T(x, action = "add", byref = FALSE, ..., .parallel = FALSE, .paropts = NULL)

Arguments

x	an R object
action	a character string
byref	logical indicating if new object will be created by reference or by copy of x
...	not used in current version
.parallel	if TRUE, apply function in parallel, using parallel backend provided by foreach
.paropts	a list of additional options passed into the foreach function when parallel computation is enabled. This is important if (for example) your code relies on external data or packages: use the .export and .packages arguments to supply them so that all cluster nodes have the correct environment set up for computing.

Value

A copy of x with a column Tfr added and A and Afr possibly deleted except for w.length. If action = "replace", in all cases, the additional columns are removed, even if no column needs to be added.

Methods (by class)

• A2T(default): Default method for generic function

• A2T(numeric): method for numeric vectors

• A2T(filter_spct): Method for filter spectra

• A2T(filter_mspct): Method for collections of filter spectra

See Also

Other quantity conversion functions: Afr2T(), T2Afr(), T2A(), any2T(), as_quantum(), e2qmol_multipliers(), e2quantum_multipliers(), e2q(), q2e()

photobiology documentation built on Oct. 21, 2023, 1:06 a.m.