Data for typical calibration lamps
Convert absorbance into transmittance
Convert transmittance into absorbance.
Convert transmittance into absorptance.
Coerce to a spectrum
Coerce to a collection-of-spectra
Green Arabidopsis leaf spectral transmittance.
Data for typical calibration lamps
Data for typical calibration lamps
Coerce to a spectrum
Coerce to a spectrum
Coerce to a collection-of-spectra
Calculate deuterium lamp output spectrum from fitted constants
Data for typical calibration lamps
Miscellaneous Mathematical Functions
Convert transmittance type.
Coerce to a collection-of-spectra
Trigonometric Functions
Coerce to a collection-of-spectra
Coerce to a spectrum
Coerce to a spectrum
Theoretical black body
Green Arabidopsis leaf spectral reflectance.
Combine collections of spectra
Green Arabidopsis leaf spectral transmittance.
Linear energy CIE xyz colour matching function (CMF) 2 deg data
Absorptance
Coerce to a collection-of-spectra
Coerce to a spectrum
Calculate absorptance from spectral absorptance.
Coerce to a collection-of-spectra
Query which is the class of an spectrum
Coerce to a spectrum
Coerce to a collection-of-spectra
Copy attributes from members of a generic_mspct
Coerce to a collection-of-spectra
Coerce to a spectrum
Theoretical spectrum of a clear material
Coerce to a collection-of-spectra
Coerce to a spectrum
Convert date to time-of-day in hours, minutes or seconds
Guess whether insertion of hinges is needed or not
Convert a solar_time object into solar_date object
Coerce to a collection-of-spectra
Theoretical clear body
Conversion from counts per second to physical quantities
Convert spectral energy irradiance into spectral photon irradiance
Spectral weights
Average spectral data.
Coerce a collection of spectra into a matrix
Honeybee xyz chromaticity colour matching function data
Times for sun positions
Linear energy CIE 2008 luminous efficiency function 2 deg data
Coerce to a spectrum
Scaled and/or interpolated light-source spectral output
CIE xyz chromaticity coordinates (CC) 10 deg data
Calculate (energy) irradiance from spectral irradiance
Convert spectral photon irradiance into spectral energy irradiance
Color of an object
Convert spectral energy irradiance into spectral photon irradiance
Spectral response of a back-thinned CCD image sensor.
Sanity check of wavelengths (internal function).
Check that the "mspct.version" attribute is set
Energy:energy ratio
Find wavelength values in a spectrum
Linear energy CIE 2008 luminous efficiency function 10 deg data
CIE xyz chromaticity coordinates 2 deg data
Fluence
Clean (=replace) off-range values in a spectrum
Get the "instr.desc" attribute
Linear energy CIE xyz colour matching function (CMF) 10 deg data
Check that the "spct.version" attribute is set
Check the "time.unit" attribute of an existing source_spct object
Clip head and/or tail of a spectrum
Get the "instr.settings" attribute
Clear the spectral weights cache
Check validity of spectral objects
Clean a spectrum
Get the "scaled" attribute
Convert the "time.unit" attribute of an existing source_spct object
Calculate energy to quantum multipliers
Convert energy-based quantities into photon-based quantities.
Arithmetic Operators
Energy fluence
Energy irradiance
Sanity check a spectrum
Divide two spectra, even if the wavelengths values differ
Get the "spct.version" attribute
Get peaks and valleys in a spectrum
Copy attributes
Convolve function for collections of spectra
Defunct functions and methods
Energy:energy ratio
Green birch leaf reflectance.
Dimensions of an Object
Energy:photon ratio
Irradiance
Math function dispatcher for spectra
Calculate energy to quantum (mol) multipliers
Photon or energy irradiance from spectral energy or photon irradiance.
Energy-based photo-response
Join all spectra in a collection
Solar astronomy using Meeus' algorithm
Set spectral-data options
Merge into object_spct
Extract or replace parts of a spectrum
Merge and copy attributes
Extract or replace members of a collection of spectra
Counts per second from a measurement of a plastic film
Encode in a Common Format
Calculate a normalized index.
Rescale a spectrum using a summary function
Compute range and format it
Collection-of-spectra constructor
Theoretical spectrum of an opaque material
Print a spectral object
Expanse
Get the "mspct.version" attribute
Print solar time and solar date objects
Get the "Afr.type" attribute
Get the "where.measured" attribute
Find repeated w.length values
Shift the scale of a spectrum using a summary function
fscale a spectrum
Get the "multiple.wl" attribute
Find peaks in a spectrum
fshift a spectrum
Multiply two spectra, even if the wavelengths values differ
Get the "Tfr.type" attribute
Get the "bswf.used" attribute
Get the "time.unit" attribute of an existing source_spct object
Get the "normalized" attribute
Gives irradiance from spectral irradiance.
Get the "idfactor" attribute
Convert photon-based quantities into energy-based quantities
Get the "Rfr.type" attribute
Map a spectrum to new wavelength values.
Query class of spectrum objects
Query class of spectrum objects
Get the "what.measured" attribute
Query if it is an spectrum is tagged
Query whether a generic spectrum has been scaled
Midpoint
Get the metadata attributes
Calculate spectral values at a different set of wavelengths
Wavelength minimum
Handle Missing Values in Objects
Normalization of an R object
Return the First and Last Part of an Object
Photon:energy ratio
Get the "when.measured" attribute
Map spectra to new wavelength values.
Check the "instr.desc" attribute
Insert wavelength values into spectral data.
Arithmetic Operators
Check the "instr.settings" attribute
Insert wavelength values into spectral data.
Spectral irradiance to rgb color conversion
Insert new wavelength values into a spectrum
Set the "Afr.type" attribute
Find labels from "waveband" object
Integrate spectral data.
Set the "multiple.wl" attribute
Set the "instr.settings" attribute
Query class of spectrum summary objects
Query if it is a waveband
Query if an object has old class names
Logarithms and Exponentials
Photon:photon ratio
Query whether a generic spectrum has been normalized.
Query if a spectrum contains photon- or energy-based data.
Wavelength maximum
Set the "when.measured" attribute
Photon-based photo-response
Set the "where.measured" attribute
Binary operation on two spectra, even if the wavelengths values differ
Stepsize
Convert 'long' or tidy spectral data into a collection of spectra
Daily solar spectral irradiance (simulated)
Peaks or local maxima
Query if a spectrum contains absorbance or transmittance data
Query class
Daily solar spectral irradiance (simulated)
Transmittance spectrum of clear polyester film
Arithmetic Operators
Arithmetic Operators
Trim the "instr.settings" attribute
Is an R object "effective"
Arithmetic Operators
Multi-spct transform methods
Calculate reflectance from spectral reflectance
Trim (or expand) head and/or tail of a spectrum
Relative Air Mass (AM)
Photon:energy ratio
Names of multi-spectra classes
Wavelength range
Valleys or local minima
Set error reporting options
Normalize spectral data
photobiology: Photobiological Calculations
Set the "scaled" attribute
Normalize a range argument into a true numeric range
Set the "Tfr.type" attribute
Spectral response of a GaAsP photodiode
Calculate response from spectral response
Integrated response
print.summary_generic_spct
Print spectral summary
Arithmetic Operators
Photon irradiance
Smooth a spectrum
Print a "waveband" object
Set the "bswf.used" attribute
List-of-wavebands constructor
Photo:photon ratio
Energy irradiance for split spectrum regions
White led bulb spectrum
Row-bind spectra
Find wavelengths values corresponding to a target spectral value
Reflectance
Convert an R object into a spectrum object.
RGB color values
Photon fluence
Solar spectral irradiance (simulated)
Solar spectral irradiance (simulated)
Time difference between two time zones
Local solar time
Spectral-object constructor
Photon irradiance
Function that returns a vector containing the names of spectra classes.
Convert a 'wide' or untidy data frame into a collection of spectra
Remove tags
Remove "generic_spct" and derived class attributes.
Rounding of Numbers
Remove "generic_mspct" and derived class attributes.
Use photobiology options
Set the "normalized" attribute
Set the "Rfr.type" attribute
Arithmetic Operators
Insert wavelength values into spectral data.
Transmittance
Create spectrum from wavebands
Create tagged spectrum from wavebands
Trim head and/or tail of a spectrum
Set the "idfactor" attribute
Set the "instr.desc" attribute
Set the "time.unit" attribute of an existing source_spct object
Set the "what.measured" attribute
twilight argument check and conversion
Energy or photon irradiance for split spectrum regions
Photon irradiance for split spectrum regions
Wavelength range to rgb color conversion
Wavelength to rgb color conversion
Summary of a spectral object
Classes common to all collection members.
Sign
Function that returns a vector containing the names of spectral summary
classes.
Subtract two spectra
White led bulb spectrum
White led bulb spectrum
Trim (or expand) head and/or tail
Trim (or expand) head and/or tail
Transmittance spectrum of yellow theatrical gel.
Add two spectra
Upgrade one spectral object
Upgrade one or more spectral objects
Solar angles
Tag a spectrum
Set computation options
Trim the "instr.desc" attribute
Calculate transmittance from spectral transmittance.
Water vapour pressure
Theoretical white body
Waveband constructor method
Photon or energy ratio
Create tagged spectrum from wavebands
Incandescent "FEL" lamp emission spectrum
Green Arabidopsis leaf reflectance and transmittance.
CIE D65 illuminant data
CIE A illuminant data
Absorbance
Calculate absorbance from spectral absorbance.