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