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