List of properties for each concrete class

SKIRT v9.0 (git dcb3392 built on 11/03/2025 at 14:24:32)

Introduction

This page lists the properties for each concrete SKIRT class that may occur as an object in a ski file.

The sections are listed alphabetically on class name. To quickly locate the section for a given class, use your browser's find function and precede the class name with a - (dash).

-AdaptiveMeshGeometry

[docs] : a geometry imported from data represented on an adaptive mesh (AMR grid)

Scalar Property		Type	Description
filename	docs	String	the name of the file to be imported
minX	docs	Double	the start point of the domain in the X direction
maxX	docs	Double	the end point of the domain in the X direction
minY	docs	Double	the start point of the domain in the Y direction
maxY	docs	Double	the end point of the domain in the Y direction
minZ	docs	Double	the start point of the domain in the Z direction
maxZ	docs	Double	the end point of the domain in the Z direction
massType	docs	Enum	the type of mass quantity to be imported
		--> MassDensity	mass density
		--> Mass	mass (volume-integrated mass density)
		--> NumberDensity	number density
		--> Number	number (volume-integrated number density)
importMetallicity	docs	Bool	import a metallicity column
importTemperature	docs	Bool	import a temperature column
maxTemperature	docs	Double	the maximum temperature for included mass (or zero to include all)
useColumns	docs	String	a list of names corresponding to columns in the file to be imported

-AdaptiveMeshMedium

[docs] : a transfer medium imported from data represented on an adaptive mesh (AMR grid)

Scalar Property		Type	Description
filename	docs	String	the name of the file to be imported
minX	docs	Double	the start point of the domain in the X direction
maxX	docs	Double	the end point of the domain in the X direction
minY	docs	Double	the start point of the domain in the Y direction
maxY	docs	Double	the end point of the domain in the Y direction
minZ	docs	Double	the start point of the domain in the Z direction
maxZ	docs	Double	the end point of the domain in the Z direction
massType	docs	Enum	the type of mass quantity to be imported
		--> MassDensity	mass density
		--> Mass	mass (volume-integrated)
		--> MassDensityAndMass	both mass density and volume-integrated mass
		--> NumberDensity	number density
		--> Number	number (volume-integrated)
		--> NumberDensityAndNumber	both number density and volume-integrated number
massFraction	docs	Double	the fraction of the mass to be included (or one to include all)
importMetallicity	docs	Bool	import a metallicity column
importTemperature	docs	Bool	import a temperature column
maxTemperature	docs	Double	the maximum temperature for included mass (or zero to include all)
importVelocity	docs	Bool	import velocity components (3 columns)
importMagneticField	docs	Bool	import magnetic field components (3 columns)
importVariableMixParams	docs	Bool	import parameter(s) to select a spatially varying material mix
useColumns	docs	String	a list of names corresponding to columns in the file to be imported

Compound Property		Type	Base Class		Description
materialMix	docs	Item	MaterialMix	subclasses	the material type and properties throughout the medium
materialMixFamily	docs	Item	MaterialMixFamily	subclasses	the material mix family addressed by the imported parameter(s)

-AdaptiveMeshSource

[docs] : a primary source imported from data represented on an adaptive mesh (AMR grid)

Scalar Property		Type	Description
filename	docs	String	the name of the file to be imported
minX	docs	Double	the start point of the domain in the X direction
maxX	docs	Double	the end point of the domain in the X direction
minY	docs	Double	the start point of the domain in the Y direction
maxY	docs	Double	the end point of the domain in the Y direction
minZ	docs	Double	the start point of the domain in the Z direction
maxZ	docs	Double	the end point of the domain in the Z direction
importVelocity	docs	Bool	import velocity components (3 columns)
importVelocityDispersion	docs	Bool	import velocity dispersion (spherically symmetric)
importCurrentMass	docs	Bool	import current mass
importBias	docs	Bool	import a per-particle/cell source bias weight
useColumns	docs	String	a list of names corresponding to columns in the file to be imported
sourceWeight	docs	Double	the weight of this source for the number of photon packets launched
wavelengthBias	docs	Double	the fraction of photon packet wavelengths sampled from a bias distribution

Compound Property		Type	Base Class		Description
sedFamily	docs	Item	SEDFamily	subclasses	the SED family for assigning spectra to the imported sources
wavelengthBiasDistribution	docs	Item	WavelengthDistribution	subclasses	the bias distribution for sampling photon packet wavelengths

-AdaptiveMeshSpatialGrid

[docs] : a spatial grid taken from an imported adaptive mesh snapshot

-AllCellsLibrary

[docs] : a library scheme that has a separate entry for every spatial cell

-AllSkyInstrument

[docs] : an all-sky instrument (for observing inside a model)

Scalar Property		Type	Description
instrumentName	docs	String	the name for this instrument
numPixelsY	docs	Int	the number of image pixels in the vertical (shortest) direction
radius	docs	Double	the radius of the observer's all-sky sphere
observerX	docs	Double	the position of the observer, x component
observerY	docs	Double	the position of the observer, y component
observerZ	docs	Double	the position of the observer, z component
crossX	docs	Double	the position of the crosshair, x component
crossY	docs	Double	the position of the crosshair, y component
crossZ	docs	Double	the position of the crosshair, z component
upX	docs	Double	the upwards direction, x component
upY	docs	Double	the upwards direction, y component
upZ	docs	Double	the upwards direction, z component
recordComponents	docs	Bool	record flux components separately
numScatteringLevels	docs	Int	the number of individually recorded scattering levels
recordPolarization	docs	Bool	record polarization (Stokes vector elements)
recordStatistics	docs	Bool	record information for calculating statistical properties

Compound Property		Type	Base Class		Description
wavelengthGrid	docs	Item	WavelengthGrid	subclasses	the wavelength grid for this instrument
projection	docs	Item	AllSkyProjection	subclasses	the projection used for mapping the sky to a rectangle

-AllSkyProjectionForm

[docs] : all-sky projection at a position inside the model

Scalar Property		Type	Description
numPixelsY	docs	Int	the number of image pixels in the vertical (shortest) direction
observerX	docs	Double	the position of the observer, x component
observerY	docs	Double	the position of the observer, y component
observerZ	docs	Double	the position of the observer, z component
crossX	docs	Double	the position of the crosshair, x component
crossY	docs	Double	the position of the crosshair, y component
crossZ	docs	Double	the position of the crosshair, z component
upX	docs	Double	the upwards direction, x component
upY	docs	Double	the upwards direction, y component
upZ	docs	Double	the upwards direction, z component

Compound Property		Type	Base Class		Description
projection	docs	Item	AllSkyProjection	subclasses	the projection used for mapping the sky to a rectangle

-AnnulusGeometry

[docs] : an annulus geometry

Scalar Property		Type	Description
minRadius	docs	Double	the inner radius of the annulus
maxRadius	docs	Double	the outer radius of the annulus
height	docs	Double	the annulus height

-AtPositionsForm

[docs] : a text column file with values for each imported position

Scalar Property		Type	Description
filename	docs	String	the name of the file listing the positions
useColumns	docs	String	a list of names corresponding to columns in the file to be imported

-AxPowerLawRedistributeGeometryDecorator

[docs] : a decorator that redistributes another geometry with an axial power law

Scalar Property		Type	Description
RExponent	docs	Double	the negative power of the radial part of the weight function
zExponent	docs	Double	the negative power of the vertical part of the weight function
minR	docs	Double	the radius of the clipping cylinder around the z-axis
minZ	docs	Double	half the height of the clipping region around the xy-plane

Compound Property		Type	Base Class		Description
geometry	docs	Item	Geometry	subclasses	the geometry for which the density will be redistributed

-BandLuminosityNormalization

[docs] : source normalization through the specific luminosity for a given wavelength band

Scalar Property		Type	Description
unitStyle	docs	Enum	the luminosity unit style
		--> neutralmonluminosity	neutral: λ L_λ = ν L_ν
		--> wavelengthmonluminosity	per unit of wavelength: L_λ
		--> frequencymonluminosity	per unit of frequency: L_ν
		--> energymonluminosity	counts per unit of energy: L_E
specificLuminosity	docs	Double	the specific luminosity for the given band

Compound Property		Type	Base Class		Description
band	docs	Item	Band	subclasses	the wavelength band for which to provide the specific luminosity

-BegemannPorousAluminaGrainComposition

[docs] : a Begemann porous alumina dust grain composition

-BlackBodySED

[docs] : a black-body spectral energy distribution

Scalar Property		Type	Description
temperature	docs	Double	the black body temperature

-BlackBodySEDFamily

[docs] : a black body SED family

-BoxClipGeometryDecorator

[docs] : a decorator that clips another geometry using a cubodial box

Scalar Property		Type	Description
remove	docs	Enum	the region to be removed
		--> Inside	the inner region (creating a cavity)
		--> Outside	the outer region (cropping)
minX	docs	Double	the start point of the box in the X direction
maxX	docs	Double	the end point of the box in the X direction
minY	docs	Double	the start point of the box in the Y direction
maxY	docs	Double	the end point of the box in the Y direction
minZ	docs	Double	the start point of the box in the Z direction
maxZ	docs	Double	the end point of the box in the Z direction

Compound Property		Type	Base Class		Description
geometry	docs	Item	Geometry	subclasses	the geometry to be clipped

-BpassSED

[docs] : a BPASS single stellar population SED

Scalar Property		Type	Description
metallicity	docs	Double	the metallicity of the SSP
age	docs	Double	the age of the SSP

-BpassSEDFamily

[docs] : a BPASS SED family for single stellar populations

-BroadBand

[docs] : a standard built-in broadband (transmission curve)

Scalar Property		Type	Description
bandName	docs	String	the name of the standard broadband (e.g. 'Johnson V' or 'PACS 100')

-BrokenExpDiskGeometry

[docs] : a broken exponential disk geometry

Scalar Property		Type	Description
scaleLengthInner	docs	Double	the scale length of the inner disk
scaleLengthOuter	docs	Double	the scale length of the outer disk
scaleHeight	docs	Double	the scale height
breakRadius	docs	Double	the break radius
sharpness	docs	Double	the sharpness of the break

-BruzualCharlotSED

[docs] : a Bruzual-Charlot simple stellar population SED

Scalar Property		Type	Description
imf	docs	Enum	the assumed initial mass function
		--> Chabrier	Chabrier IMF
		--> Salpeter	Salpeter IMF
metallicity	docs	Double	the metallicity of the SSP
age	docs	Double	the age of the SSP

-BruzualCharlotSEDFamily

[docs] : a Bruzual-Charlot SED family for single stellar populations

Scalar Property		Type	Description
imf	docs	Enum	the assumed initial mass function
		--> Chabrier	Chabrier IMF
		--> Salpeter	Salpeter IMF
resolution	docs	Enum	the wavelength resolution
		--> Low	Low wavelength resolution (1221 points)
		--> High	High wavelength resolution (6900 points)

-CartesianSpatialGrid

[docs] : a Cartesian spatial grid

Scalar Property		Type	Description
minX	docs	Double	the start point of the box in the X direction
maxX	docs	Double	the end point of the box in the X direction
minY	docs	Double	the start point of the box in the Y direction
maxY	docs	Double	the end point of the box in the Y direction
minZ	docs	Double	the start point of the box in the Z direction
maxZ	docs	Double	the end point of the box in the Z direction

Compound Property		Type	Base Class		Description
meshX	docs	Item	Mesh	subclasses	the bin distribution in the X direction
meshY	docs	Item	Mesh	subclasses	the bin distribution in the Y direction
meshZ	docs	Item	Mesh	subclasses	the bin distribution in the Z direction

-CastelliKuruczSED

[docs] : a Castelli-Kurucz stellar atmosphere SED

Scalar Property		Type	Description
metallicity	docs	Double	the stellar metallicity
temperature	docs	Double	the effective surface temperature
gravity	docs	Double	the surface gravity

-CastelliKuruczSEDFamily

[docs] : a Castelli-Kurucz SED family for stellar atmospheres

-CellGeometry

[docs] : a geometry imported from cuboidal cell data

Scalar Property		Type	Description
filename	docs	String	the name of the file to be imported
massType	docs	Enum	the type of mass quantity to be imported
		--> MassDensity	mass density
		--> Mass	mass (volume-integrated mass density)
		--> NumberDensity	number density
		--> Number	number (volume-integrated number density)
importMetallicity	docs	Bool	import a metallicity column
importTemperature	docs	Bool	import a temperature column
maxTemperature	docs	Double	the maximum temperature for included mass (or zero to include all)
useColumns	docs	String	a list of names corresponding to columns in the file to be imported

-CellMedium

[docs] : a transfer medium imported from cuboidal cell data

Scalar Property		Type	Description
filename	docs	String	the name of the file to be imported
massType	docs	Enum	the type of mass quantity to be imported
		--> MassDensity	mass density
		--> Mass	mass (volume-integrated)
		--> NumberDensity	number density
		--> Number	number (volume-integrated)
massFraction	docs	Double	the fraction of the mass to be included (or one to include all)
importMetallicity	docs	Bool	import a metallicity column
importTemperature	docs	Bool	import a temperature column
maxTemperature	docs	Double	the maximum temperature for included mass (or zero to include all)
importVelocity	docs	Bool	import velocity components (3 columns)
importMagneticField	docs	Bool	import magnetic field components (3 columns)
importVariableMixParams	docs	Bool	import parameter(s) to select a spatially varying material mix
useColumns	docs	String	a list of names corresponding to columns in the file to be imported

Compound Property		Type	Base Class		Description
materialMix	docs	Item	MaterialMix	subclasses	the material type and properties throughout the medium
materialMixFamily	docs	Item	MaterialMixFamily	subclasses	the material mix family addressed by the imported parameter(s)

-CellSource

[docs] : a primary source imported from cuboidal cell data

Scalar Property		Type	Description
filename	docs	String	the name of the file to be imported
importVelocity	docs	Bool	import velocity components (3 columns)
importVelocityDispersion	docs	Bool	import velocity dispersion (spherically symmetric)
importCurrentMass	docs	Bool	import current mass
importBias	docs	Bool	import a per-particle/cell source bias weight
useColumns	docs	String	a list of names corresponding to columns in the file to be imported
sourceWeight	docs	Double	the weight of this source for the number of photon packets launched
wavelengthBias	docs	Double	the fraction of photon packet wavelengths sampled from a bias distribution

Compound Property		Type	Base Class		Description
sedFamily	docs	Item	SEDFamily	subclasses	the SED family for assigning spectra to the imported sources
wavelengthBiasDistribution	docs	Item	WavelengthDistribution	subclasses	the bias distribution for sampling photon packet wavelengths

-ClearDensityRecipe

[docs] : a recipe that clears material in cells above a given radiation field strength

Scalar Property		Type	Description
maxNotConvergedCells	docs	Int	the number of spatial cells allowed to not converge
fieldStrengthThreshold	docs	Double	the field strength above which material is cleared from a cell

-ClumpyGeometryDecorator

[docs] : a decorator that adds clumpiness to any geometry

Scalar Property		Type	Description
clumpFraction	docs	Double	the fraction of the mass locked up in clumps
numClumps	docs	Int	the total number of clumps
clumpRadius	docs	Double	the scale radius of a single clump
cutoffClumps	docs	Bool	cut off clumps at the boundary of the underlying geometry
seed	docs	Int	the seed for the random clump position generator, or zero to use the default generator

Compound Property		Type	Base Class		Description
geometry	docs	Item	Geometry	subclasses	the geometry to be made clumpy
smoothingKernel	docs	Item	SmoothingKernel	subclasses	the smoothing kernel that describes the density of a single clump

-CombineGeometryDecorator

[docs] : a decorator that combines two different geometries

Scalar Property		Type	Description
firstWeight	docs	Double	the weight of the first geometry
secondWeight	docs	Double	the weight of the second geometry

Compound Property		Type	Base Class		Description
firstGeometry	docs	Item	Geometry	subclasses	the first geometry
secondGeometry	docs	Item	Geometry	subclasses	the second geometry

-CompositeWavelengthGrid

[docs] : a wavelength grid composited from a list of wavelength grids

Scalar Property		Type	Description
log	docs	Bool	use logarithmic scale

Compound Property		Type	Base Class		Description
wavelengthGrids	docs	ItemList	DisjointWavelengthGrid	subclasses	the wavelength grids to be composited

-ConfigurableBandWavelengthGrid

[docs] : a wavelength grid including a configurable list of (broad)bands

Compound Property		Type	Base Class		Description
bands	docs	ItemList	Band	subclasses	the (broad)bands defining this wavelength grid

-ConfigurableDustMix

[docs] : a configurable dust mix with one or more grain populations

Scalar Property		Type	Description
scatteringType	docs	Enum	the type of scattering to be implemented
		--> HenyeyGreenstein	use the Henyey-Greenstein phase function (unpolarized)
		--> MaterialPhaseFunction	use the phase function derived from actual material properties (unpolarized)
		--> SphericalPolarization	support polarization through scattering by spherical grains
		--> SpheroidalPolarization	support polarization through scattering, absorption and emission by spheroidal grains

Compound Property		Type	Base Class		Description
populations	docs	ItemList	GrainPopulation	subclasses	the grain populations

-ConicalAngularDistribution

[docs] : an anisotropic conical emission profile

Scalar Property		Type	Description
symmetryX	docs	Double	the direction of the positive symmetry axis, x component
symmetryY	docs	Double	the direction of the positive symmetry axis, y component
symmetryZ	docs	Double	the direction of the positive symmetry axis, z component
openingAngle	docs	Double	the (half) opening angle of the cone

-ConicalShellGeometry

[docs] : a conical shell geometry

Scalar Property		Type	Description
exponent	docs	Double	the radial powerlaw exponent p of the conical shell
index	docs	Double	the polar index q of the conical shell
minAngle	docs	Double	the inner angle of the conical shell
maxAngle	docs	Double	the outer angle of the conical shell
minRadius	docs	Double	the minimum radius of the conical shell
maxRadius	docs	Double	the maximum radius of the conical shell
reshapeInnerRadius	docs	Bool	reshape the inner radius according to the Netzer luminosity profile
cutoffRadius	docs	Double	the inner cutoff radius of the conical shell

-ConvergenceCutsProbe

[docs] : convergence: cuts of the medium density along the coordinate planes

Scalar Property		Type	Description
probeName	docs	String	the name for this probe
probeAfter	docs	Enum	perform the probe after
		--> Setup	after setup
		--> Run	after the complete simulation run

-ConvergenceInfoProbe

[docs] : convergence: information on the spatial grid

Scalar Property		Type	Description
probeName	docs	String	the name for this probe
wavelength	docs	Double	the wavelength at which to determine the optical depth
probeAfter	docs	Enum	perform the probe after
		--> Setup	after setup
		--> Run	after the complete simulation run

-CrystalEnstatiteGrainComposition

[docs] : a crystalline Enstatite dust grain composition

-CrystalForsteriteGrainComposition

[docs] : a crystalline Forsterite dust grain composition

-CubicSplineSmoothingKernel

[docs] : a cubic spline smoothing kernel

-CubicalBackgroundSource

[docs] : a cubical background source with an anisotropic inward radiation field

Scalar Property		Type	Description
centerX	docs	Double	the center of the source, x component
centerY	docs	Double	the center of the source, y component
centerZ	docs	Double	the center of the source, z component
edgeLength	docs	Double	the edge length of the background cube
velocityX	docs	Double	the bulk velocity of the source, x component
velocityY	docs	Double	the bulk velocity of the source, y component
velocityZ	docs	Double	the bulk velocity of the source, z component
sourceWeight	docs	Double	the weight of this source for the number of photon packets launched
wavelengthBias	docs	Double	the fraction of photon packet wavelengths sampled from a bias distribution

Compound Property		Type	Base Class		Description
sed	docs	Item	SED	subclasses	the spectral energy distribution for the source
normalization	docs	Item	LuminosityNormalization	subclasses	the type of luminosity normalization for the source
wavelengthBiasDistribution	docs	Item	WavelengthDistribution	subclasses	the bias distribution for sampling photon packet wavelengths

-CustomStateProbe

[docs] : internal spatial grid: custom medium state quantities

Scalar Property		Type	Description
probeName	docs	String	the name for this probe
indices	docs	String	zero-based indices or index ranges of quantities to probe, or empty for all
probeAfter	docs	Enum	perform the probe after
		--> Setup	after setup
		--> Run	after the complete simulation run
		--> Primary	after each iteration over primary emission
		--> Secondary	after each iteration over secondary emission

Compound Property		Type	Base Class		Description
form	docs	Item	Form	subclasses	the form describing how this quantity should be probed

-Cylinder2DSpatialGrid

[docs] : a 2D axisymmetric spatial grid in cylindrical coordinates

Scalar Property		Type	Description
minRadius	docs	Double	the inner cylindrical radius of the grid
maxRadius	docs	Double	the outer cylindrical radius of the grid
minZ	docs	Double	the start point of the cylinder in the Z direction
maxZ	docs	Double	the end point of the cylinder in the Z direction

Compound Property		Type	Base Class		Description
meshRadial	docs	Item	Mesh	subclasses	the bin distribution in the radial direction
meshZ	docs	Item	Mesh	subclasses	the bin distribution in the Z direction

-Cylinder3DSpatialGrid

[docs] : a 3D spatial grid in cylindrical coordinates

Scalar Property		Type	Description
minRadius	docs	Double	the inner cylindrical radius of the grid
maxRadius	docs	Double	the outer cylindrical radius of the grid
minZ	docs	Double	the start point of the cylinder in the Z direction
maxZ	docs	Double	the end point of the cylinder in the Z direction

Compound Property		Type	Base Class		Description
meshRadial	docs	Item	Mesh	subclasses	the bin distribution in the radial direction
meshAzimuthal	docs	Item	Mesh	subclasses	the bin distribution in the azimuthal direction
meshZ	docs	Item	Mesh	subclasses	the bin distribution in the vertical direction

-CylindricalCellGeometry

[docs] : a geometry imported from cylindrical cell data

Scalar Property		Type	Description
filename	docs	String	the name of the file to be imported
autoRevolve	docs	Bool	automatically revolve 2D data to a 3D model
numAutoRevolveBins	docs	Int	the number of azimuth bins for auto-revolving 2D data
massType	docs	Enum	the type of mass quantity to be imported
		--> MassDensity	mass density
		--> Mass	mass (volume-integrated mass density)
		--> NumberDensity	number density
		--> Number	number (volume-integrated number density)
importMetallicity	docs	Bool	import a metallicity column
importTemperature	docs	Bool	import a temperature column
maxTemperature	docs	Double	the maximum temperature for included mass (or zero to include all)
useColumns	docs	String	a list of names corresponding to columns in the file to be imported

-CylindricalCellMedium

[docs] : a transfer medium imported from cylindrical cell data

Scalar Property		Type	Description
filename	docs	String	the name of the file to be imported
autoRevolve	docs	Bool	automatically revolve 2D data to a 3D model
numAutoRevolveBins	docs	Int	the number of azimuth bins for auto-revolving 2D data
massType	docs	Enum	the type of mass quantity to be imported
		--> MassDensity	mass density
		--> Mass	mass (volume-integrated)
		--> NumberDensity	number density
		--> Number	number (volume-integrated)
massFraction	docs	Double	the fraction of the mass to be included (or one to include all)
importMetallicity	docs	Bool	import a metallicity column
importTemperature	docs	Bool	import a temperature column
maxTemperature	docs	Double	the maximum temperature for included mass (or zero to include all)
importVelocity	docs	Bool	import velocity components (3 columns)
importMagneticField	docs	Bool	import magnetic field components (3 columns)
importVariableMixParams	docs	Bool	import parameter(s) to select a spatially varying material mix
useColumns	docs	String	a list of names corresponding to columns in the file to be imported

Compound Property		Type	Base Class		Description
materialMix	docs	Item	MaterialMix	subclasses	the material type and properties throughout the medium
materialMixFamily	docs	Item	MaterialMixFamily	subclasses	the material mix family addressed by the imported parameter(s)

-CylindricalCellSource

[docs] : a primary source imported from cylindrical cell data

Scalar Property		Type	Description
filename	docs	String	the name of the file to be imported
autoRevolve	docs	Bool	automatically revolve 2D data to a 3D model
numAutoRevolveBins	docs	Int	the number of azimuth bins for auto-revolving 2D data
importVelocity	docs	Bool	import velocity components (3 columns)
importVelocityDispersion	docs	Bool	import velocity dispersion (spherically symmetric)
importCurrentMass	docs	Bool	import current mass
importBias	docs	Bool	import a per-particle/cell source bias weight
useColumns	docs	String	a list of names corresponding to columns in the file to be imported
sourceWeight	docs	Double	the weight of this source for the number of photon packets launched
wavelengthBias	docs	Double	the fraction of photon packet wavelengths sampled from a bias distribution

Compound Property		Type	Base Class		Description
sedFamily	docs	Item	SEDFamily	subclasses	the SED family for assigning spectra to the imported sources
wavelengthBiasDistribution	docs	Item	WavelengthDistribution	subclasses	the bias distribution for sampling photon packet wavelengths

-CylindricalClipGeometryDecorator

[docs] : a decorator that clips another geometry using a cylinder

Scalar Property		Type	Description
remove	docs	Enum	the region to be removed
		--> Inside	the inner region (creating a cavity)
		--> Outside	the outer region (cropping)
clipRadius	docs	Double	the radius of the clipping cylinder

Compound Property		Type	Base Class		Description
geometry	docs	Item	Geometry	subclasses	the geometry to be clipped

-CylindricalVectorField

[docs] : a vector field rotating clockwise around the z-axis

Scalar Property		Type	Description
unityRadius	docs	Double	the radius where the magnitude of the vectors is unity
exponent	docs	Double	the power-law exponent governing the radial dependence of the magnitude

-DefaultCutsForm

[docs] : default planar cuts along the coordinate planes

-DefaultWavelengthDistribution

[docs] : the default (logarithmic) wavelength probability distribution

-DensityProbe

[docs] : internal spatial grid: density of the medium

Scalar Property		Type	Description
probeName	docs	String	the name for this probe
aggregation	docs	Enum	how to aggregate the density
		--> Fragment	per fragment (dust grain material type and/or size bin)
		--> Component	per medium component
		--> Type	per medium type (dust, electrons, gas)
probeAfter	docs	Enum	perform the probe after
		--> Setup	after setup
		--> Run	after the complete simulation run
		--> Primary	after each iteration over primary emission
		--> Secondary	after each iteration over secondary emission

Compound Property		Type	Base Class		Description
form	docs	Item	Form	subclasses	the form describing how this quantity should be probed

-DensityTreePolicy

[docs] : a tree grid construction policy using the medium density distribution

Scalar Property		Type	Description
minLevel	docs	Int	the minimum level of grid refinement
maxLevel	docs	Int	the maximum level of grid refinement
maxDustFraction	docs	Double	the maximum fraction of dust contained in each cell
maxDustOpticalDepth	docs	Double	the maximum diagonal dust optical depth for each cell
wavelength	docs	Double	the wavelength at which to evaluate the optical depth
maxDustDensityDispersion	docs	Double	the maximum dust density dispersion in each cell
maxElectronFraction	docs	Double	the maximum fraction of electrons contained in each cell
maxGasFraction	docs	Double	the maximum fraction of gas contained in each cell

-DiscreteWavelengthDistribution

[docs] : a discrete wavelength probability distribution derived from a wavelength grid

Compound Property		Type	Base Class		Description
wavelengthGrid	docs	Item	DisjointWavelengthGrid	subclasses	the wavelength grid defining the discrete distribution

-DonutGeometry

[docs] : a donut torus geometry

Scalar Property		Type	Description
largeRadius	docs	Double	the radius of the torus circle in the equatorial plane
smallRadius	docs	Double	the radius of the torus circle in the azimuthal plane

-DorschnerOlivineGrainComposition

[docs] : a Dorschner olivine dust grain composition

-DraineGraphiteGrainComposition

[docs] : a Draine graphite dust grain composition

-DraineIonizedPAHGrainComposition

[docs] : a Draine ionized PAH dust grain composition

-DraineLiDustMix

[docs] : a Draine and Li (2007) dust mix

Scalar Property		Type	Description
numSilicateSizes	docs	Int	the number of silicate grain size bins
numGraphiteSizes	docs	Int	the number of graphite grain size bins (for each of two populations)
numPAHSizes	docs	Int	the number of neutral and ionized PAH size bins (each)

-DraineNeutralPAHGrainComposition

[docs] : a Draine neutral PAH dust grain composition

-DraineSilicateGrainComposition

[docs] : a Draine silicate dust grain composition

-DustAbsorptionPerCellProbe

[docs] : specialty: spectral luminosity absorbed by dust for each spatial cell

Scalar Property		Type	Description
probeName	docs	String	the name for this probe
writeWavelengthGrid	docs	Bool	output a text file with the radiation field wavelength grid

-DustEmGrainComposition

[docs] : a dust grain composition based on DustEM data

Scalar Property		Type	Description
grainType	docs	Enum	the DustEM grain type
		--> aSil	astronomical silicate grains (Draine & Li 2007)
		--> Gra	graphite grains (Draine & Li 2001; Li & Draine 2001)
		--> PAH0DL07	neutral PAHs (Draine & Li 2007)
		--> PAH1DL07	ionized PAHs (Draine & Li 2007)
		--> PAH0MC10	neutral PAHs (Compiègne et al. 2011)
		--> PAH1MC10	ionized PAHs (Compiègne et al. 2011)
		--> CM20	amorphous hydro-carbon grains (Jones et al. 2013)
		--> aOlM5	amorphous olivine/forsterite grains (Koehler et al. 2014)
		--> aPyM5	amorphous pyroxene/enstatite grains (Koehler et al. 2014)
bulkMassDensity	docs	Double	the bulk mass density for this grain material

-DustEmissionOptions

[docs] : a set of options related to thermal emission from dust

Scalar Property		Type	Description
dustEmissionType	docs	Enum	the method used for dust emission calculations
		--> Equilibrium	assume local thermal equilibrium (LTE)
		--> Stochastic	handle stochastically heated grains (non-LTE)
includeHeatingByCMB	docs	Bool	add the cosmic microwave background (CMB) as a dust heating source term
maxFractionOfPrimary	docs	Double	convergence is reached when the total absorbed dust luminosity is less than this fraction of the total absorbed primary luminosity
maxFractionOfPrevious	docs	Double	convergence is reached when the total absorbed dust luminosity has changed by less than this fraction compared to the previous iteration
sourceWeight	docs	Double	the weight of dust emission for the number of photon packets launched
wavelengthBias	docs	Double	the fraction of secondary photon packet wavelengths sampled from a bias distribution

Compound Property		Type	Base Class		Description
cellLibrary	docs	Item	SpatialCellLibrary	subclasses	the spatial cell grouping scheme for calculating dust emission
dustEmissionWLG	docs	Item	DisjointWavelengthGrid	subclasses	the wavelength grid for calculating the dust emission spectrum
wavelengthBiasDistribution	docs	Item	WavelengthDistribution	subclasses	the bias distribution for sampling secondary photon packet wavelengths

-DustEmissionWavelengthGridProbe

[docs] : wavelength grid: dust emission

Scalar Property		Type	Description
probeName	docs	String	the name for this probe

-DustEmissivityProbe

[docs] : properties: emissivity spectrum for each dust mix in a range of standard fields

Scalar Property		Type	Description
probeName	docs	String	the name for this probe
writeWavelengthGrid	docs	Bool	output a text file with the emission spectrum wavelength grid

-DustGrainPopulationsProbe

[docs] : properties: dust grain population mass and size information

Scalar Property		Type	Description
probeName	docs	String	the name for this probe

-DustGrainSizeDistributionProbe

[docs] : properties: dust grain size distribution

Scalar Property		Type	Description
probeName	docs	String	the name for this probe
numSamples	docs	Int	the number of samples in the size distribution table

-DynamicStateOptions

[docs] : a set of options for dynamically adjusting the medium state

Compound Property		Type	Base Class		Description
recipes	docs	ItemList	DynamicStateRecipe	subclasses	the dynamic medium state recipes

-EinastoGeometry

[docs] : an Einasto geometry

Scalar Property		Type	Description
halfMassRadius	docs	Double	the half-mass radius
index	docs	Double	the Einasto index n

-ElectronMix

[docs] : a population of electrons

Scalar Property		Type	Description
includePolarization	docs	Bool	include support for polarization
includeThermalDispersion	docs	Bool	include thermal velocity dispersion
defaultTemperature	docs	Double	the default temperature of the electron population

-ExpDiskGeometry

[docs] : an exponential disk geometry

Scalar Property		Type	Description
scaleLength	docs	Double	the scale length
scaleHeight	docs	Double	the scale height
minRadius	docs	Double	the radius of the central cavity
maxRadius	docs	Double	the truncation radius (zero means no truncation)
maxZ	docs	Double	the truncation height (zero means no truncation)

-ExtragalacticUnits

[docs] : extragalactic units (length in pc, distance in Mpc)

Scalar Property		Type	Description
wavelengthOutputStyle	docs	Enum	the output style for wavelengths
		--> Wavelength	as photon wavelength: λ
		--> Frequency	as photon frequency: ν
		--> Energy	as photon energy: E
fluxOutputStyle	docs	Enum	the output style for flux density and surface brightness
		--> Neutral	neutral: λ F_λ = ν F_ν
		--> Wavelength	per unit of wavelength: F_λ
		--> Frequency	per unit of frequency: F_ν
		--> Energy	counts per unit of energy: F_E

-FSPSSED

[docs] : an FSPS simple stellar population SED

Scalar Property		Type	Description
imf	docs	Enum	the assumed initial mass function
		--> Chabrier	Chabrier IMF
		--> Kroupa	Kroupa IMF
		--> Salpeter	Salpeter IMF
metallicity	docs	Double	the metallicity of the SSP
age	docs	Double	the age of the SSP

-FSPSSEDFamily

[docs] : an FSPS SED family for single stellar populations

Scalar Property		Type	Description
imf	docs	Enum	the assumed initial mass function
		--> Chabrier	Chabrier IMF
		--> Kroupa	Kroupa IMF
		--> Salpeter	Salpeter IMF

-FieldStrengthCellLibrary

[docs] : a library scheme for grouping spatial cells based on radiation field strength

Scalar Property		Type	Description
numFieldStrengths	docs	Int	the number of field strength bins

-FileBand

[docs] : a wavelength band (transmission curve) loaded from a text file

Scalar Property		Type	Description
filename	docs	String	the name of the file defining the transmission curve

-FileBorderWavelengthGrid

[docs] : a wavelength grid loaded from a text file listing bin borders

Scalar Property		Type	Description
filename	docs	String	the name of the file with the wavelength bin borders
characteristic	docs	Enum	determine the characteristic wavelength for each bin
		--> Linear	using linear interpolation
		--> Logarithmic	using logarithmic interpolation
		--> Specified	specified in the imported wavelength list

-FileGrainSizeDistribution

[docs] : a dust grain size distribution loaded from a text file

Scalar Property		Type	Description
filename	docs	String	the name of the file with the dust grain size distribution

-FileIndexedSEDFamily

[docs] : a user-provided, indexed SED family

Scalar Property		Type	Description
filename	docs	String	the name of the stored table file listing the SEDs

-FileLineSED

[docs] : a discrete line SED loaded from a text file

Scalar Property		Type	Description
filename	docs	String	the name of the file with the line definitions

-FileMesh

[docs] : a mesh read from a file

Scalar Property		Type	Description
numBins	docs	Int	the number of bins in the mesh
filename	docs	String	the name of the file with the mesh border points

-FilePolarizedPointSource

[docs] : a primary point source with a polarized spectrum read from file

Scalar Property		Type	Description
filename	docs	String	the name of the stored table file listing the Stokes vector components
positionX	docs	Double	the position of the point source, x component
positionY	docs	Double	the position of the point source, y component
positionZ	docs	Double	the position of the point source, z component
symmetryX	docs	Double	the direction of the positive symmetry axis, x component
symmetryY	docs	Double	the direction of the positive symmetry axis, y component
symmetryZ	docs	Double	the direction of the positive symmetry axis, z component
velocityX	docs	Double	the bulk velocity of the point source, x component
velocityY	docs	Double	the bulk velocity of the point source, y component
velocityZ	docs	Double	the bulk velocity of the point source, z component
sourceWeight	docs	Double	the weight of this source for the number of photon packets launched
wavelengthBias	docs	Double	the fraction of photon packet wavelengths sampled from a bias distribution

Compound Property		Type	Base Class		Description
normalization	docs	Item	LuminosityNormalization	subclasses	the type of luminosity normalization for the source
wavelengthBiasDistribution	docs	Item	WavelengthDistribution	subclasses	the bias distribution for sampling photon packet wavelengths

-FileSED

[docs] : a spectral energy distribution loaded from a text file

Scalar Property		Type	Description
filename	docs	String	the name of the file with the spectral energy distribution

-FileSSPSEDFamily

[docs] : a user-provided SED family for single stellar populations

Scalar Property		Type	Description
filename	docs	String	the name of the stored table file defining the SED templates
hasIonizationParameter	docs	Bool	include ionization U as an extra parameter for the SED family

-FileTreeSpatialGrid

[docs] : a tree-based spatial grid loaded from a topology data file

Scalar Property		Type	Description
minX	docs	Double	the start point of the box in the X direction
maxX	docs	Double	the end point of the box in the X direction
minY	docs	Double	the start point of the box in the Y direction
maxY	docs	Double	the end point of the box in the Y direction
minZ	docs	Double	the start point of the box in the Z direction
maxZ	docs	Double	the end point of the box in the Z direction
filename	docs	String	the name of the file with the tree topology data

-FileWavelengthDistribution

[docs] : a wavelength probability distribution loaded from a text file

Scalar Property		Type	Description
filename	docs	String	the name of the file with the wavelength probability distribution

-FileWavelengthGrid

[docs] : a wavelength grid loaded from a text file

Scalar Property		Type	Description
filename	docs	String	the name of the file with the characteristic wavelengths
relativeHalfWidth	docs	Double	the relative half width for discrete bins, or zero for a consecutive range
log	docs	Bool	use logarithmic scale

-FlatUniverseCosmology

[docs] : the model is at a given redshift in a flat universe

Scalar Property		Type	Description
redshift	docs	Double	the redshift z of the model coordinate frame
reducedHubbleConstant	docs	Double	the reduced Hubble constant h
matterDensityFraction	docs	Double	the cosmological matter density fraction Ω_m

-FragmentDustMixDecorator

[docs] : a dust mix decorator that manages separate densities for fragments of another dust mix

Scalar Property		Type	Description
fragmentSizeBins	docs	Bool	fragment each dust population into its grain size bins
hasDynamicDensities	docs	Bool	allow the fragment densities to be adjusted dynamically
initialDensityFraction	docs	Double	the initial value of the dynamic density fraction

Compound Property		Type	Base Class		Description
dustMix	docs	Item	MultiGrainDustMix	subclasses	the dust mix to be fragmented

-FrameInstrument

[docs] : a distant instrument that outputs the surface brightness in every pixel as a data cube

Scalar Property		Type	Description
instrumentName	docs	String	the name for this instrument
distance	docs	Double	the distance to the system
inclination	docs	Double	the inclination angle θ of the detector
azimuth	docs	Double	the azimuth angle φ of the detector
roll	docs	Double	the roll angle ω of the detector
fieldOfViewX	docs	Double	the total field of view in the horizontal direction
numPixelsX	docs	Int	the number of pixels in the horizontal direction
centerX	docs	Double	the center of the frame in the horizontal direction
fieldOfViewY	docs	Double	the total field of view in the vertical direction
numPixelsY	docs	Int	the number of pixels in the vertical direction
centerY	docs	Double	the center of the frame in the vertical direction
recordComponents	docs	Bool	record flux components separately
numScatteringLevels	docs	Int	the number of individually recorded scattering levels
recordPolarization	docs	Bool	record polarization (Stokes vector elements)
recordStatistics	docs	Bool	record information for calculating statistical properties

Compound Property		Type	Base Class		Description
wavelengthGrid	docs	Item	WavelengthGrid	subclasses	the wavelength grid for this instrument

-FullInstrument

[docs] : a distant instrument that outputs both the flux density (SED) and surface brightness (data cube)

Scalar Property		Type	Description
instrumentName	docs	String	the name for this instrument
distance	docs	Double	the distance to the system
inclination	docs	Double	the inclination angle θ of the detector
azimuth	docs	Double	the azimuth angle φ of the detector
roll	docs	Double	the roll angle ω of the detector
fieldOfViewX	docs	Double	the total field of view in the horizontal direction
numPixelsX	docs	Int	the number of pixels in the horizontal direction
centerX	docs	Double	the center of the frame in the horizontal direction
fieldOfViewY	docs	Double	the total field of view in the vertical direction
numPixelsY	docs	Int	the number of pixels in the vertical direction
centerY	docs	Double	the center of the frame in the vertical direction
recordComponents	docs	Bool	record flux components separately
numScatteringLevels	docs	Int	the number of individually recorded scattering levels
recordPolarization	docs	Bool	record polarization (Stokes vector elements)
recordStatistics	docs	Bool	record information for calculating statistical properties

Compound Property		Type	Base Class		Description
wavelengthGrid	docs	Item	WavelengthGrid	subclasses	the wavelength grid for this instrument

-GammaGeometry

[docs] : a gamma geometry

Scalar Property		Type	Description
scaleLength	docs	Double	the scale length
gamma	docs	Double	the central density slope γ

-GaussianGeometry

[docs] : a Gaussian geometry

Scalar Property		Type	Description
dispersion	docs	Double	the scale length (dispersion) σ

-GeometricMedium

[docs] : a transfer medium with a built-in geometry

Scalar Property		Type	Description
velocityMagnitude	docs	Double	the magnitude of the velocity (multiplier)
magneticFieldStrength	docs	Double	the strength of the magnetic field (multiplier)

Compound Property		Type	Base Class		Description
geometry	docs	Item	Geometry	subclasses	the geometry of the spatial density distribution for the medium
materialMix	docs	Item	MaterialMix	subclasses	the material type and properties throughout the medium
normalization	docs	Item	MaterialNormalization	subclasses	the type of normalization for the amount of material
velocityDistribution	docs	Item	VectorField	subclasses	the spatial distribution of the velocity, if any
magneticFieldDistribution	docs	Item	VectorField	subclasses	the spatial distribution of the magnetic field, if any

-GeometricSource

[docs] : a primary source with a built-in geometry

Scalar Property		Type	Description
velocityMagnitude	docs	Double	the magnitude of the velocity (multiplier)
sourceWeight	docs	Double	the weight of this source for the number of photon packets launched
wavelengthBias	docs	Double	the fraction of photon packet wavelengths sampled from a bias distribution

Compound Property		Type	Base Class		Description
geometry	docs	Item	Geometry	subclasses	the geometry of the spatial luminosity distribution for the source
velocityDistribution	docs	Item	VectorField	subclasses	the spatial distribution of the velocity, if any
sed	docs	Item	SED	subclasses	the spectral energy distribution for the source
normalization	docs	Item	LuminosityNormalization	subclasses	the type of luminosity normalization for the source
wavelengthBiasDistribution	docs	Item	WavelengthDistribution	subclasses	the bias distribution for sampling photon packet wavelengths

-GrainPopulation

[docs] : a dust grain population

Scalar Property		Type	Description
numSizes	docs	Int	the number of grain size bins
normalizationType	docs	Enum	the mechanism for specifying the amount of dust in the population
		--> DustMassPerHydrogenAtom	an absolute dust mass per hydrogen atom
		--> DustMassPerHydrogenMass	a ratio of dust mass per hydrogen mass
		--> FactorOnSizeDistribution	a proportionality factor on the size distribution
dustMassPerHydrogenAtom	docs	Double	the dust mass per hydrogen atom
dustMassPerHydrogenMass	docs	Double	the dust mass per hydrogen mass
factorOnSizeDistribution	docs	Double	the proportionality factor on the size distribution

Compound Property		Type	Base Class		Description
composition	docs	Item	GrainComposition	subclasses	the dust grain composition
sizeDistribution	docs	Item	GrainSizeDistribution	subclasses	the dust grain size distribution

-HEALPixSkyInstrument

[docs] : a HEALPix all-sky instrument (for Planck-like observations inside a model)

Scalar Property		Type	Description
instrumentName	docs	String	the name for this instrument
order	docs	Int	HEALPix order
radius	docs	Double	the radius of the observer's all-sky sphere
observerX	docs	Double	the position of the observer, x component
observerY	docs	Double	the position of the observer, y component
observerZ	docs	Double	the position of the observer, z component
crossX	docs	Double	the position of the crosshair, x component
crossY	docs	Double	the position of the crosshair, y component
crossZ	docs	Double	the position of the crosshair, z component
upX	docs	Double	the upwards direction, x component
upY	docs	Double	the upwards direction, y component
upZ	docs	Double	the upwards direction, z component
recordComponents	docs	Bool	record flux components separately
numScatteringLevels	docs	Int	the number of individually recorded scattering levels
recordPolarization	docs	Bool	record polarization (Stokes vector elements)
recordStatistics	docs	Bool	record information for calculating statistical properties

Compound Property		Type	Base Class		Description
wavelengthGrid	docs	Item	WavelengthGrid	subclasses	the wavelength grid for this instrument

-HammerAitoffProjection

[docs] : the Hammer-Aitoff all-sky projection

-HirashitaLogNormalGrainSizeDistribution

[docs] : a Hirashita (2015) log-normal dust grain size distribution

Scalar Property		Type	Description
minSize	docs	Double	the minimum grain size for this distribution
maxSize	docs	Double	the maximum grain size for this distribution
centroid	docs	Double	the centroid a0 of the log-normal law
width	docs	Double	the width σ of the log-normal law

-HofmeisterPericlaseGrainComposition

[docs] : a Hofmeister periclase dust grain composition

-HollowRadialVectorField

[docs] : a vector field pointing away from the origin with a central cavity

Scalar Property		Type	Description
zeroRadius	docs	Double	the radius within which the magnitude of the vectors is zero
exponent	docs	Double	the power-law exponent governing the radial dependence of the magnitude

-HyperboloidGeometry

[docs] : a hyperboloid geometry

Scalar Property		Type	Description
radialExtent	docs	Double	the radial extent of the hyperboloid
openingAngle	docs	Double	the half opening angle of the hyperboloid
realAxis	docs	Double	the real axis of the hyperboloid
minRadius	docs	Double	the radius of the central cavity
reshapeInnerRadius	docs	Bool	reshape the inner radius according to the Netzer luminosity profile
cutoffRadius	docs	Double	the inner cutoff radius of the hyperboloid

-HyperboloidShellGeometry

[docs] : a hyperboloid shell geometry

Scalar Property		Type	Description
outerRadialExtent	docs	Double	the radial extent of the hyperboloid outer wall
outerOpeningAngle	docs	Double	the half opening angle of the hyperboloid outer wall
outerRealAxis	docs	Double	the real axis of the hyperboloid outer wall
innerOpeningAngle	docs	Double	the half opening angle of the hyperboloid inner wall
innerRealAxis	docs	Double	the real axis of the hyperboloid inner wall

-ImportedMediumDensityProbe

[docs] : imported medium: mass or number density

Scalar Property		Type	Description
probeName	docs	String	the name for this probe

Compound Property		Type	Base Class		Description
form	docs	Item	GenericForm	subclasses	the form describing how this quantity should be probed

-ImportedMediumMetallicityProbe

[docs] : imported medium: metallicity

Scalar Property		Type	Description
probeName	docs	String	the name for this probe

Compound Property		Type	Base Class		Description
form	docs	Item	GenericForm	subclasses	the form describing how this quantity should be probed

-ImportedMediumTemperatureProbe

[docs] : imported medium: temperature

Scalar Property		Type	Description
probeName	docs	String	the name for this probe

Compound Property		Type	Base Class		Description
form	docs	Item	GenericForm	subclasses	the form describing how this quantity should be probed

-ImportedMediumVelocityProbe

[docs] : imported medium: bulk velocity

Scalar Property		Type	Description
probeName	docs	String	the name for this probe

Compound Property		Type	Base Class		Description
form	docs	Item	GenericForm	subclasses	the form describing how this quantity should be probed

-ImportedSourceAgeProbe

[docs] : imported source: age

Scalar Property		Type	Description
probeName	docs	String	the name for this probe
weight	docs	Enum	weight for averaging the probed quantity
		--> Luminosity	luminosity
		--> InitialMass	initial mass
		--> CurrentMass	current mass
wavelength	docs	Double	the wavelength at which to determine the luminosity

Compound Property		Type	Base Class		Description
form	docs	Item	GenericForm	subclasses	the form describing how this quantity should be probed

-ImportedSourceDensityProbe

[docs] : imported source: mass density

Scalar Property		Type	Description
probeName	docs	String	the name for this probe
massType	docs	Enum	type of mass being probed
		--> InitialMass	initial mass
		--> CurrentMass	current mass

Compound Property		Type	Base Class		Description
form	docs	Item	GenericForm	subclasses	the form describing how this quantity should be probed

-ImportedSourceLuminosityProbe

[docs] : imported source: specific luminosity density

Scalar Property		Type	Description
probeName	docs	String	the name for this probe
convolve	docs	Bool	average or convolve the specific luminosity over the wavelength bin

Compound Property		Type	Base Class		Description
form	docs	Item	GenericForm	subclasses	the form describing how this quantity should be probed
wavelengthGrid	docs	Item	WavelengthGrid	subclasses	the wavelength grid for this probe

-ImportedSourceMetallicityProbe

[docs] : imported source: metallicity

Scalar Property		Type	Description
probeName	docs	String	the name for this probe
weight	docs	Enum	weight for averaging the probed quantity
		--> Luminosity	luminosity
		--> InitialMass	initial mass
		--> CurrentMass	current mass
wavelength	docs	Double	the wavelength at which to determine the luminosity

Compound Property		Type	Base Class		Description
form	docs	Item	GenericForm	subclasses	the form describing how this quantity should be probed

-ImportedSourceVelocityProbe

[docs] : imported source: bulk velocity

Scalar Property		Type	Description
probeName	docs	String	the name for this probe
weight	docs	Enum	weight for averaging the probed quantity
		--> Luminosity	luminosity
		--> InitialMass	initial mass
		--> CurrentMass	current mass
wavelength	docs	Double	the wavelength at which to determine the luminosity

Compound Property		Type	Base Class		Description
form	docs	Item	GenericForm	subclasses	the form describing how this quantity should be probed

-InstrumentSystem

[docs] : an instrument system

Compound Property		Type	Base Class		Description
defaultWavelengthGrid	docs	Item	WavelengthGrid	subclasses	the default instrument wavelength grid
instruments	docs	ItemList	Instrument	subclasses	the instruments

-InstrumentWavelengthGridProbe

[docs] : wavelength grid: instruments

Scalar Property		Type	Description
probeName	docs	String	the name for this probe

-IntegratedLuminosityNormalization

[docs] : source normalization through the integrated luminosity for a given wavelength range

Scalar Property		Type	Description
wavelengthRange	docs	Enum	the wavelength range for which to provide the integrated luminosity
		--> Source	the wavelength range of the primary sources
		--> All	all wavelengths (i.e. over the full SED)
		--> Custom	a custom wavelength range specified here
minWavelength	docs	Double	the shortest wavelength of the integration range
maxWavelength	docs	Double	the longest wavelength of the integration range
integratedLuminosity	docs	Double	the integrated luminosity for the given wavelength range

-IsotropicAngularDistribution

[docs] : an isotropic emission profile

-IterationOptions

[docs] : a set of options for configuring iterations during primary and/or secondary emission

Scalar Property		Type	Description
minPrimaryIterations	docs	Int	the minimum number of iterations during primary emission
maxPrimaryIterations	docs	Int	the maximum number of iterations during primary emission
minSecondaryIterations	docs	Int	the minimum number of iterations during secondary emission
maxSecondaryIterations	docs	Int	the maximum number of iterations during secondary emission
includePrimaryEmission	docs	Bool	include primary emission in the secondary emission iterations
primaryIterationPacketsMultiplier	docs	Double	the multiplier on the number of photon packets launched for each primary emission iteration
secondaryIterationPacketsMultiplier	docs	Double	the multiplier on the number of photon packets launched for each secondary emission iteration

-LaserAngularDistribution

[docs] : a laser emission profile

Scalar Property		Type	Description
symmetryX	docs	Double	the direction of the positive symmetry axis, x component
symmetryY	docs	Double	the direction of the positive symmetry axis, y component
symmetryZ	docs	Double	the direction of the positive symmetry axis, z component

-LaunchedPacketsProbe

[docs] : source: number of photon packets launched from primary and secondary sources

Scalar Property		Type	Description
probeName	docs	String	the name for this probe

Compound Property		Type	Base Class		Description
wavelengthGrid	docs	Item	WavelengthGrid	subclasses	the wavelength grid for this probe

-LinBorderWavelengthGrid

[docs] : a linear wavelength grid with given outer borders

Scalar Property		Type	Description
minWavelength	docs	Double	the shortest wavelength
maxWavelength	docs	Double	the longest wavelength
numWavelengthBins	docs	Int	the number of wavelength bins

-LinMesh

[docs] : a linear mesh

Scalar Property		Type	Description
numBins	docs	Int	the number of bins in the mesh

-LinWavelengthDistribution

[docs] : a linear wavelength probability distribution

Scalar Property		Type	Description
minWavelength	docs	Double	the shortest wavelength of the wavelength probability distribution
maxWavelength	docs	Double	the longest wavelength of the wavelength probability distribution

-LinWavelengthGrid

[docs] : a linear wavelength grid

Scalar Property		Type	Description
minWavelength	docs	Double	the shortest wavelength
maxWavelength	docs	Double	the longest wavelength
numWavelengths	docs	Int	the number of wavelength grid points

-LineLuminosityNormalization

[docs] : source normalization through the luminosity for a given emission line

Scalar Property		Type	Description
wavelength	docs	Double	the central wavelength of the emission line
luminosity	docs	Double	the luminosity for the emission line

-LinearCutForm

[docs] : a text column file with values along a given line segment

Scalar Property		Type	Description
numSamples	docs	Int	the number of samples along the line segment
startX	docs	Double	the position of the starting point, x component
startY	docs	Double	the position of the starting point, y component
startZ	docs	Double	the position of the starting point, z component
endX	docs	Double	the position of the ending point, x component
endY	docs	Double	the position of the ending point, y component
endZ	docs	Double	the position of the ending point, z component

-LinearDustDestructionRecipe

[docs] : a dust destruction recipe using a linear temperature dependence

Scalar Property		Type	Description
maxNotConvergedCells	docs	Int	the number of spatial cells allowed to not converge
densityFractionTolerance	docs	Double	the convergence tolerance on the dynamic density fraction
minSilicateTemperature	docs	Double	the temperature below which silicate grains are not destroyed
maxSilicateTemperature	docs	Double	the temperature above which all silicate grains are destroyed
minGraphiteTemperature	docs	Double	the temperature below which graphite grains are not destroyed
maxGraphiteTemperature	docs	Double	the temperature above which all graphite grains are destroyed

-ListBand

[docs] : a wavelength band (transmission curve) specified inside the configuration file

Scalar Property		Type	Description
wavelengths	docs	DoubleList	the wavelengths at which to specify the transmission
transmissionValues	docs	DoubleList	the transmission at each of the given wavelengths

-ListBorderWavelengthGrid

[docs] : a wavelength grid configured as a list of bin borders

Scalar Property		Type	Description
wavelengths	docs	DoubleList	the wavelength bin borders
characteristic	docs	Enum	determine the characteristic wavelength for each bin
		--> Linear	using linear interpolation
		--> Logarithmic	using logarithmic interpolation
		--> Specified	specified in the configured wavelength list

-ListGrainSizeDistribution

[docs] : a dust grain size distribution specified inside the configuration file

Scalar Property		Type	Description
sizes	docs	DoubleList	the grain sizes at which to specify the size distribution
sizeDistributionValues	docs	DoubleList	the size distribution values at each of the given grain sizes

-ListLineSED

[docs] : a discrete line SED specified inside the configuration file

Scalar Property		Type	Description
wavelengths	docs	DoubleList	the line wavelengths
luminosities	docs	DoubleList	the line luminosities

-ListMesh

[docs] : a mesh specified inside the configuration file

Scalar Property		Type	Description
numBins	docs	Int	the number of bins in the mesh
points	docs	DoubleList	the mesh border points

-ListSED

[docs] : a spectral energy distribution specified inside the configuration file

Scalar Property		Type	Description
wavelengths	docs	DoubleList	the wavelengths at which to specify the specific luminosity
unitStyle	docs	Enum	the luminosity unit style
		--> neutralmonluminosity	neutral: λ L_λ = ν L_ν
		--> wavelengthmonluminosity	per unit of wavelength: L_λ
		--> frequencymonluminosity	per unit of frequency: L_ν
		--> energymonluminosity	counts per unit of energy: L_E
specificLuminosities	docs	DoubleList	the specific luminosities at each of the given wavelengths

-ListWavelengthDistribution

[docs] : a wavelength probability distribution specified inside the configuration file

Scalar Property		Type	Description
wavelengths	docs	DoubleList	the wavelengths at which to specify the probability
unitStyle	docs	Enum	the probability unit style
		--> neutralmonluminosity	neutral: λ L_λ = ν L_ν
		--> wavelengthmonluminosity	per unit of wavelength: L_λ
		--> frequencymonluminosity	per unit of frequency: L_ν
		--> energymonluminosity	counts per unit of energy: L_E
probabilities	docs	DoubleList	the probabilities at each of the given wavelengths

-ListWavelengthGrid

[docs] : a wavelength grid configured as a list

Scalar Property		Type	Description
wavelengths	docs	DoubleList	the characteristic wavelength for each bin
relativeHalfWidth	docs	Double	the relative half width for discrete bins, or zero for a consecutive range
log	docs	Bool	use logarithmic scale

-LocalUniverseCosmology

[docs] : the model is at redshift zero in the Local Universe

-LogBorderWavelengthGrid

[docs] : a logarithmic wavelength grid with given outer borders

Scalar Property		Type	Description
minWavelength	docs	Double	the shortest wavelength
maxWavelength	docs	Double	the longest wavelength
numWavelengthBins	docs	Int	the number of wavelength bins

-LogMesh

[docs] : a logarithmic mesh

Scalar Property		Type	Description
numBins	docs	Int	the number of bins in the mesh
centralBinFraction	docs	Double	the central bin width fraction

-LogNormalGrainSizeDistribution

[docs] : a log-normal dust grain size distribution

Scalar Property		Type	Description
minSize	docs	Double	the minimum grain size for this distribution
maxSize	docs	Double	the maximum grain size for this distribution
centroid	docs	Double	the centroid a0 of the log-normal law
width	docs	Double	the width σ of the log-normal law

-LogWavelengthDistribution

[docs] : a logarithmic wavelength probability distribution

Scalar Property		Type	Description
minWavelength	docs	Double	the shortest wavelength of the wavelength probability distribution
maxWavelength	docs	Double	the longest wavelength of the wavelength probability distribution

-LogWavelengthGrid

[docs] : a logarithmic wavelength grid

Scalar Property		Type	Description
minWavelength	docs	Double	the shortest wavelength
maxWavelength	docs	Double	the longest wavelength
numWavelengths	docs	Int	the number of wavelength grid points

-LuminosityProbe

[docs] : source: luminosities of primary sources

Scalar Property		Type	Description
probeName	docs	String	the name for this probe

Compound Property		Type	Base Class		Description
wavelengthGrid	docs	Item	WavelengthGrid	subclasses	the wavelength grid for this probe

-LyaDoublePeakedSED

[docs] : a double-peaked spectrum around the central Lyman-alpha wavelength

Scalar Property		Type	Description
scale	docs	Double	the velocity scale

-LyaDoublePeakedSEDFamily

[docs] : a family of double-peaked spectra around the central Lyman-alpha wavelength

-LyaGaussianSED

[docs] : a Gaussian spectrum around the central Lyman-alpha wavelength

Scalar Property		Type	Description
dispersion	docs	Double	the Gaussian velocity dispersion

-LyaGaussianSEDFamily

[docs] : a family of Gaussian spectra around the central Lyman-alpha wavelength

-LyaNeutralHydrogenGasMix

[docs] : neutral hydrogen for Lyman-alpha line transfer

Scalar Property		Type	Description
defaultTemperature	docs	Double	the default temperature of the neutral hydrogen gas
includePolarization	docs	Bool	include support for polarization

-LyaOptions

[docs] : a set of options related to Lyman-alpha line transfer

Scalar Property		Type	Description
lyaAccelerationScheme	docs	Enum	the Lyman-alpha line transfer acceleration scheme
		--> None	no acceleration
		--> Constant	acceleration scheme with a constant critical value
		--> Variable	acceleration scheme depending on local gas temperature and density
lyaAccelerationStrength	docs	Double	the acceleration strength; higher is faster but less accurate
includeHubbleFlow	docs	Bool	include the Doppler shift caused by the expansion of the universe

-LyaSEDDecorator

[docs] : an SED decorator replacing ionizing radiation with Lyman-alpha line emission

Scalar Property		Type	Description
conversionFraction	docs	Double	the fraction of ionizing radiation replaced by Lyman-alpha emission

Compound Property		Type	Base Class		Description
sedOriginal	docs	Item	ContSED	subclasses	the original SED being adjusted
sedLymanAlpha	docs	Item	ContSED	subclasses	the SED representing the Lyman-alpha line emission

-LyaSEDFamilyDecorator

[docs] : an SED family decorator replacing ionizing radiation with Lyman-alpha line emission

Scalar Property		Type	Description
conversionFraction	docs	Double	the fraction of ionizing radiation replaced by Lyman-alpha emission

Compound Property		Type	Base Class		Description
sedFamilyOriginal	docs	Item	SEDFamily	subclasses	the original SED family being adjusted
sedLymanAlpha	docs	Item	ContSED	subclasses	the SED representing the Lyman-alpha line emission

-MRNDustMix

[docs] : an MRN (1997) dust mix

Scalar Property		Type	Description
numSilicateSizes	docs	Int	the number of silicate grain size bins
numGraphiteSizes	docs	Int	the number of graphite grain size bins

-MagneticFieldProbe

[docs] : internal spatial grid: magnetic field associated with the medium

Scalar Property		Type	Description
probeName	docs	String	the name for this probe

Compound Property		Type	Base Class		Description
form	docs	Item	Form	subclasses	the form describing how this quantity should be probed

-MappingsSED

[docs] : a star-forming region SED from the MAPPINGS III model

Scalar Property		Type	Description
metallicity	docs	Double	the metallicity
compactness	docs	Double	the logarithm of the compactness parameter
pressure	docs	Double	the ISM pressure
coveringFactor	docs	Double	the PDR covering factor

-MappingsSEDFamily

[docs] : a MAPPINGS III SED family for star-forming regions

-MarastonSED

[docs] : a Maraston simple stellar population SED

Scalar Property		Type	Description
imf	docs	Enum	the assumed initial mass function
		--> Kroupa	Kroupa IMF
		--> Salpeter	Salpeter IMF
metallicity	docs	Double	the metallicity of the SSP
age	docs	Double	the age of the SSP

-MarastonSEDFamily

[docs] : a Maraston SED family for single stellar populations

Scalar Property		Type	Description
imf	docs	Enum	the assumed initial mass function
		--> Kroupa	Kroupa IMF
		--> Salpeter	Salpeter IMF

-MassColumnMaterialNormalization

[docs] : normalization by defining the mass column density along a coordinate axis

Scalar Property		Type	Description
axis	docs	Enum	the axis along which to specify the normalization
		--> X	the X axis of the model coordinate sytem
		--> Y	the Y axis of the model coordinate sytem
		--> Z	the Z axis of the model coordinate sytem
massColumnDensity	docs	Double	the mass column density along this axis

-MassMaterialNormalization

[docs] : normalization by defining the total mass

Scalar Property		Type	Description
mass	docs	Double	the total mass of the material

-MeanFileDustMix

[docs] : a dust mix with mean properties loaded from a text file

Scalar Property		Type	Description
filename	docs	String	the name of the file with the optical properties for the dust mix

-MeanInterstellarDustMix

[docs] : a typical interstellar dust mix (mean properties)

-MeanIvezicBenchmarkDustMix

[docs] : an Ivezic 1D benchmark dust mix (mean properties)

-MeanListDustMix

[docs] : a dust mix with mean properties specified inside the configuration file

Scalar Property		Type	Description
wavelengths	docs	DoubleList	the wavelengths at which to specify the optical properties
extinctionCoefficients	docs	DoubleList	the extinction mass coefficients at each of the given wavelengths
albedos	docs	DoubleList	the scattering albedos at each of the given wavelengths
asymmetryParameters	docs	DoubleList	the scattering asymmetry parameters at each of the given wavelengths

-MeanPascucciBenchmarkDustMix

[docs] : a Pascucci 2D benchmark dust mix (mean properties)

-MeanPinteBenchmarkDustMix

[docs] : a Pinte 2D benchmark dust mix (mean properties, optionally with polarization at 1 micron)

Scalar Property		Type	Description
scatteringType	docs	Enum	the type of scattering to be implemented
		--> HenyeyGreenstein	use the Henyey-Greenstein phase function (unpolarized)
		--> MaterialPhaseFunction	use the phase function derived from actual material properties (unpolarized)
		--> SphericalPolarization	support polarization through scattering by spherical grains

-MeanTrustBenchmarkDustMix

[docs] : a TRUST benchmark dust mix (mean properties, optionally with polarization)

Scalar Property		Type	Description
scatteringType	docs	Enum	the type of scattering to be implemented
		--> HenyeyGreenstein	use the Henyey-Greenstein phase function (unpolarized)
		--> MaterialPhaseFunction	use the phase function derived from actual material properties (unpolarized)
		--> SphericalPolarization	support polarization through scattering by spherical grains

-MediumSystem

[docs] : a medium system

Compound Property		Type	Base Class		Description
photonPacketOptions	docs	Item	PhotonPacketOptions	subclasses	the photon packet options
lyaOptions	docs	Item	LyaOptions	subclasses	the Lyman-alpha line transfer options
dynamicStateOptions	docs	Item	DynamicStateOptions	subclasses	the dynamic medium state options
radiationFieldOptions	docs	Item	RadiationFieldOptions	subclasses	the radiation field options
secondaryEmissionOptions	docs	Item	SecondaryEmissionOptions	subclasses	the secondary emission options
iterationOptions	docs	Item	IterationOptions	subclasses	the primary and/or secondary emission iteration options
dustEmissionOptions	docs	Item	DustEmissionOptions	subclasses	the dust emission options
media	docs	ItemList	Medium	subclasses	the transfer media
samplingOptions	docs	Item	SamplingOptions	subclasses	the spatial grid sampling options
grid	docs	Item	SpatialGrid	subclasses	the spatial grid

-MeridionalCutForm

[docs] : a text column file with values along a meridian

Scalar Property		Type	Description
numSamples	docs	Int	the number of samples along the meridian
radius	docs	Double	the radius of the circle containing the meridian
azimuth	docs	Double	the azimuth angle φ of the meridian

-MetallicityProbe

[docs] : internal spatial grid: metallicity of the gas medium

Scalar Property		Type	Description
probeName	docs	String	the name for this probe
probeAfter	docs	Enum	perform the probe after
		--> Setup	after setup
		--> Run	after the complete simulation run
		--> Primary	after each iteration over primary emission
		--> Secondary	after each iteration over secondary emission

Compound Property		Type	Base Class		Description
form	docs	Item	Form	subclasses	the form describing how this quantity should be probed

-MieSilicateGrainComposition

[docs] : a MieX-based Draine silicate dust grain composition

-MinSilicateGrainComposition

[docs] : a Min 2007 amorphous silicate dust grain composition

-ModifiedLogNormalGrainSizeDistribution

[docs] : a modified log-normal dust grain size distribution

Scalar Property		Type	Description
minSize	docs	Double	the minimum grain size for this distribution
maxSize	docs	Double	the maximum grain size for this distribution
centroid	docs	Double	the centroid a0 of the log-normal law
width	docs	Double	the width σ of the log-normal law
firstMixingParameter	docs	Double	the first mixing parameter y0
secondMixingParameter	docs	Double	the second mixing parameter y1

-ModifiedPowerLawGrainSizeDistribution

[docs] : a modified power-law dust grain size distribution

Scalar Property		Type	Description
minSize	docs	Double	the minimum grain size for this distribution
maxSize	docs	Double	the maximum grain size for this distribution
powerLawIndex	docs	Double	the index α of the power law
turnOffPoint	docs	Double	the turn-off point a_t in the exponential decay term
scaleExponentialDecay	docs	Double	the scale a_c in the exponential decay term
exponentExponentialDecay	docs	Double	the exponent γ in the exponential decay term
scaleCurvature	docs	Double	the scale a_u in the curvature term
strengthCurvature	docs	Double	the strength ζ in the curvature term
exponentCurvature	docs	Double	the exponent η in the curvature term

-MollweideProjection

[docs] : the Mollweide all-sky projection

-MonteCarloSimulation

[docs] : a Monte Carlo simulation

Scalar Property		Type	Description
userLevel	docs	Enum	the user experience level
		--> Basic	Basic: for beginning users (hides many options)
		--> Regular	Regular: for regular users (hides esoteric options)
		--> Expert	Expert: for expert users (hides no options)
simulationMode	docs	Enum	the overall simulation mode
		--> OligoNoMedium	No medium - oligochromatic regime (a few discrete wavelengths)
		--> OligoExtinctionOnly	Extinction only - oligochromatic regime (a few discrete wavelengths)
		--> NoMedium	No medium (primary sources only)
		--> ExtinctionOnly	Extinction only (no secondary emission)
		--> LyaExtinctionOnly	Extinction only with Lyman-alpha line transfer
		--> DustEmission	With secondary emission from dust
		--> GasEmission	With secondary emission from gas
		--> DustAndGasEmission	With secondary emission from dust and gas
iteratePrimaryEmission	docs	Bool	iterate over primary emission for self-consistent calculation
iterateSecondaryEmission	docs	Bool	iterate over secondary emission for self-consistent calculation
numPackets	docs	Double	the default number of photon packets launched per simulation segment

Compound Property		Type	Base Class		Description
random	docs	Item	Random	subclasses	the random number generator
units	docs	Item	Units	subclasses	the units system
cosmology	docs	Item	Cosmology	subclasses	the cosmology parameters
sourceSystem	docs	Item	SourceSystem	subclasses	the source system
mediumSystem	docs	Item	MediumSystem	subclasses	the medium system
instrumentSystem	docs	Item	InstrumentSystem	subclasses	the instrument system
probeSystem	docs	Item	ProbeSystem	subclasses	the probe system

-MultiGaussianExpansionGeometry

[docs] : a multi-gaussian expansion geometry

Scalar Property		Type	Description
filename	docs	String	the name of the file with the multi-gaussian expansion parameters
pixelscale	docs	Double	the scale of the multi-gaussian-expanded image (length per pixel)
inclination	docs	Double	the inclination of the system

-NestedDensityTreePolicy

[docs] : a tree grid construction policy using a nested density tree policy

Scalar Property		Type	Description
minLevel	docs	Int	the minimum level of grid refinement
maxLevel	docs	Int	the maximum level of grid refinement
maxDustFraction	docs	Double	the maximum fraction of dust contained in each cell
maxDustOpticalDepth	docs	Double	the maximum diagonal dust optical depth for each cell
wavelength	docs	Double	the wavelength at which to evaluate the optical depth
maxDustDensityDispersion	docs	Double	the maximum dust density dispersion in each cell
maxElectronFraction	docs	Double	the maximum fraction of electrons contained in each cell
maxGasFraction	docs	Double	the maximum fraction of gas contained in each cell
innerMinX	docs	Double	the start point of the inner box in the X direction
innerMaxX	docs	Double	the end point of the inner box in the X direction
innerMinY	docs	Double	the start point of the inner box in the Y direction
innerMaxY	docs	Double	the end point of the inner box in the Y direction
innerMinZ	docs	Double	the start point of the inner box in the Z direction
innerMaxZ	docs	Double	the end point of the inner box in the Z direction

Compound Property		Type	Base Class		Description
innerPolicy	docs	Item	DensityTreePolicy	subclasses	the density tree policy for the inner region

-NestedLogWavelengthGrid

[docs] : a nested logarithmic wavelength grid

Scalar Property		Type	Description
minWavelengthBaseGrid	docs	Double	the shortest wavelength of the low-resolution grid
maxWavelengthBaseGrid	docs	Double	the longest wavelength of the low-resolution grid
numWavelengthsBaseGrid	docs	Int	the number of wavelength grid points in the low-resolution grid
minWavelengthSubGrid	docs	Double	the shortest wavelength of the high-resolution subgrid
maxWavelengthSubGrid	docs	Double	the longest wavelength of the high-resolution subgrid
numWavelengthsSubGrid	docs	Int	the number of wavelength grid points in the high-resolution subgrid

-NetzerAngularDistribution

[docs] : a Netzer AGN accretion disk emission profile

Scalar Property		Type	Description
symmetryX	docs	Double	the direction of the positive symmetry axis, x component
symmetryY	docs	Double	the direction of the positive symmetry axis, y component
symmetryZ	docs	Double	the direction of the positive symmetry axis, z component

-NoPolarizationProfile

[docs] : an unpolarized emission profile

-NonLTELineGasMix

[docs] : A gas mix supporting rotational transitions in specific molecules and atoms

Scalar Property		Type	Description
sourceWeight	docs	Double	the weight of this secondary source for the number of photon packets launched
wavelengthBias	docs	Double	the fraction of secondary photon packet wavelengths sampled from a bias distribution
species	docs	Enum	the molecular or atomic species being represented
		--> Test	Fictive two-level test molecule (TT)
		--> Hydroxyl	Hydroxyl radical (OH)
		--> HydroxylHFS	Hydroxyl radical (OH) with hyperfine structure
		--> Formyl	Formyl cation (HCO+)
		--> CarbonMonoxide	Carbon monoxide (CO)
		--> AtomicCarbon	Atomic carbon (C)
		--> IonizedCarbon	Ionized carbon (C+)
		--> MolecularHydrogen	Molecular hydrogen (H2)
numEnergyLevels	docs	Int	the number of energy levels used (or 999 for all supported)
defaultTemperature	docs	Double	the default temperature of the gas
defaultCollisionPartnerRatios	docs	DoubleList	the default relative abundances of the collisional partners
defaultTurbulenceVelocity	docs	Double	the default (non-thermal) turbulence velocity
maxChangeInLevelPopulations	docs	Double	the maximum relative change for the level populations in a cell to be considered converged
maxFractionNotConvergedCells	docs	Double	the maximum fraction of not-converged cells for all cells to be considered converged
maxChangeInGlobalLevelPopulations	docs	Double	the maximum relative change for the global level populations to be considered converged
lowestOpticalDepth	docs	Double	Lower limit of (negative) optical depth along a cell diagonal
storeMeanIntensities	docs	Bool	store the mean radiation field intensity at each transition line
initialLevelPopsFilename	docs	String	the name of the file with initial level populations

Compound Property		Type	Base Class		Description
wavelengthBiasDistribution	docs	Item	WavelengthDistribution	subclasses	the bias distribution for sampling secondary photon packet wavelengths

-NumberColumnMaterialNormalization

[docs] : normalization by defining the number column density along a coordinate axis

Scalar Property		Type	Description
axis	docs	Enum	the axis along which to specify the normalization
		--> X	the X axis of the model coordinate sytem
		--> Y	the Y axis of the model coordinate sytem
		--> Z	the Z axis of the model coordinate sytem
numberColumnDensity	docs	Double	the number column density along this axis

-NumberMaterialNormalization

[docs] : normalization by defining the total number of entities

Scalar Property		Type	Description
number	docs	Double	the total number of entities in the material

-OffsetGeometryDecorator

[docs] : a decorator that adds an offset to any geometry

Scalar Property		Type	Description
offsetX	docs	Double	the offset in the x direction
offsetY	docs	Double	the offset in the y direction
offsetZ	docs	Double	the offset in the z direction

Compound Property		Type	Base Class		Description
geometry	docs	Item	Geometry	subclasses	the geometry to be offset

-OffsetVectorFieldDecorator

[docs] : a decorator that adds an offset to any vector field

Scalar Property		Type	Description
offsetX	docs	Double	the offset in the x direction
offsetY	docs	Double	the offset in the y direction
offsetZ	docs	Double	the offset in the z direction

Compound Property		Type	Base Class		Description
vectorField	docs	Item	VectorField	subclasses	the vector field to be offset

-OpacityProbe

[docs] : internal spatial grid: opacity of the medium

Scalar Property		Type	Description
probeName	docs	String	the name for this probe
wavelength	docs	Double	the wavelength at which to determine the opacity
aggregation	docs	Enum	how to aggregate the opacity
		--> Fragment	per fragment (dust grain material type and/or size bin)
		--> Component	per medium component
		--> Type	per medium type (dust, electrons, gas)
		--> System	for the complete medium system
probeAfter	docs	Enum	perform the probe after
		--> Setup	after setup
		--> Run	after the complete simulation run
		--> Primary	after each iteration over primary emission
		--> Secondary	after each iteration over secondary emission

Compound Property		Type	Base Class		Description
form	docs	Item	Form	subclasses	the form describing how this quantity should be probed

-OpticalDepthMaterialNormalization

[docs] : normalization by defining the optical depth along a coordinate axis

Scalar Property		Type	Description
axis	docs	Enum	the axis along which to specify the normalization
		--> X	the X axis of the model coordinate sytem
		--> Y	the Y axis of the model coordinate sytem
		--> Z	the Z axis of the model coordinate sytem
wavelength	docs	Double	the wavelength at which to specify the optical depth
opticalDepth	docs	Double	the optical depth along this axis at this wavelength

-OpticalMaterialPropertiesProbe

[docs] : properties: aggregate optical material properties for each medium

Scalar Property		Type	Description
probeName	docs	String	the name for this probe

Compound Property		Type	Base Class		Description
wavelengthGrid	docs	Item	WavelengthGrid	subclasses	the wavelength grid for this probe

-ParaboloidGeometry

[docs] : a paraboloid geometry

Scalar Property		Type	Description
radialExtent	docs	Double	the radial extent of the paraboloid
openingAngle	docs	Double	the half opening angle of the paraboloid
offsetZ	docs	Double	the offset of the paraboloid vertices in the z direction

-ParaboloidShellGeometry

[docs] : a paraboloid shell geometry

Scalar Property		Type	Description
innerRadialExtent	docs	Double	the radial extent of the inner paraboloid wall
innerOpeningAngle	docs	Double	the half opening angle of the inner paraboloid wall
outerOpeningAngle	docs	Double	the half opening angle of the outer paraboloid wall
innerOffsetZ	docs	Double	the offset of the inner paraboloid vertices in the z direction
outerOffsetZ	docs	Double	the offset of the outer paraboloid vertices in the z direction

-ParallelProjectionForm

[docs] : parallel projection on a distant plane

Scalar Property		Type	Description
inclination	docs	Double	the inclination angle θ of the projection
azimuth	docs	Double	the azimuth angle φ of the projection
roll	docs	Double	the roll angle ω of the projection
fieldOfViewX	docs	Double	the total field of view in the horizontal direction
numPixelsX	docs	Int	the number of pixels in the horizontal direction
centerX	docs	Double	the center of the frame in the horizontal direction
fieldOfViewY	docs	Double	the total field of view in the vertical direction
numPixelsY	docs	Int	the number of pixels in the vertical direction
centerY	docs	Double	the center of the frame in the vertical direction
numSampling	docs	Int	the oversampling rate in each direction

-ParticleGeometry

[docs] : a geometry imported from smoothed particle data

Scalar Property		Type	Description
filename	docs	String	the name of the file to be imported
importMetallicity	docs	Bool	import a metallicity column
importTemperature	docs	Bool	import a temperature column
maxTemperature	docs	Double	the maximum temperature for included mass (or zero to include all)
useColumns	docs	String	a list of names corresponding to columns in the file to be imported

Compound Property		Type	Base Class		Description
smoothingKernel	docs	Item	SmoothingKernel	subclasses	the kernel for interpolating the smoothed particles

-ParticleMedium

[docs] : a transfer medium imported from smoothed particle data

Scalar Property		Type	Description
filename	docs	String	the name of the file to be imported
massType	docs	Enum	the type of mass quantity to be imported
		--> Mass	mass (volume-integrated)
		--> Number	number (volume-integrated)
massFraction	docs	Double	the fraction of the mass to be included (or one to include all)
importMetallicity	docs	Bool	import a metallicity column
importTemperature	docs	Bool	import a temperature column
maxTemperature	docs	Double	the maximum temperature for included mass (or zero to include all)
importVelocity	docs	Bool	import velocity components (3 columns)
importMagneticField	docs	Bool	import magnetic field components (3 columns)
importVariableMixParams	docs	Bool	import parameter(s) to select a spatially varying material mix
useColumns	docs	String	a list of names corresponding to columns in the file to be imported

Compound Property		Type	Base Class		Description
smoothingKernel	docs	Item	SmoothingKernel	subclasses	the kernel for interpolating the smoothed particles
materialMix	docs	Item	MaterialMix	subclasses	the material type and properties throughout the medium
materialMixFamily	docs	Item	MaterialMixFamily	subclasses	the material mix family addressed by the imported parameter(s)

-ParticleSource

[docs] : a primary source imported from smoothed particle data

Scalar Property		Type	Description
filename	docs	String	the name of the file to be imported
importVelocity	docs	Bool	import velocity components (3 columns)
importVelocityDispersion	docs	Bool	import velocity dispersion (spherically symmetric)
importCurrentMass	docs	Bool	import current mass
importBias	docs	Bool	import a per-particle/cell source bias weight
useColumns	docs	String	a list of names corresponding to columns in the file to be imported
sourceWeight	docs	Double	the weight of this source for the number of photon packets launched
wavelengthBias	docs	Double	the fraction of photon packet wavelengths sampled from a bias distribution

Compound Property		Type	Base Class		Description
smoothingKernel	docs	Item	SmoothingKernel	subclasses	the kernel for interpolating the smoothed particles
sedFamily	docs	Item	SEDFamily	subclasses	the SED family for assigning spectra to the imported sources
wavelengthBiasDistribution	docs	Item	WavelengthDistribution	subclasses	the bias distribution for sampling photon packet wavelengths

-PerCellForm

[docs] : a text column file with values for each spatial cell

-PerspectiveInstrument

[docs] : a perspective instrument (mostly for making movies)

Scalar Property		Type	Description
instrumentName	docs	String	the name for this instrument
numPixelsX	docs	Int	the number of viewport pixels in the horizontal direction
numPixelsY	docs	Int	the number of viewport pixels in the vertical direction
width	docs	Double	the width of the viewport
viewX	docs	Double	the position of the viewport origin, x component
viewY	docs	Double	the position of the viewport origin, y component
viewZ	docs	Double	the position of the viewport origin, z component
crossX	docs	Double	the position of the crosshair, x component
crossY	docs	Double	the position of the crosshair, y component
crossZ	docs	Double	the position of the crosshair, z component
upX	docs	Double	the upwards direction, x component
upY	docs	Double	the upwards direction, y component
upZ	docs	Double	the upwards direction, z component
focal	docs	Double	the distance from the eye to the viewport origin
recordComponents	docs	Bool	record flux components separately
numScatteringLevels	docs	Int	the number of individually recorded scattering levels
recordPolarization	docs	Bool	record polarization (Stokes vector elements)
recordStatistics	docs	Bool	record information for calculating statistical properties

Compound Property		Type	Base Class		Description
wavelengthGrid	docs	Item	WavelengthGrid	subclasses	the wavelength grid for this instrument

-PhotonPacketOptions

[docs] : a set of options related to the photon packet lifecycle

Scalar Property		Type	Description
explicitAbsorption	docs	Bool	use explicit absorption to allow negative absorption (stimulated emission)
forceScattering	docs	Bool	use forced scattering to reduce noise
minWeightReduction	docs	Double	the minimum weight reduction factor before a photon packet is terminated
minScattEvents	docs	Int	the minimum number of forced scattering events before a photon packet is terminated
pathLengthBias	docs	Double	the fraction of path lengths sampled from a stretched distribution

-PlanarCutsForm

[docs] : configurable planar cuts parallel to the coordinate planes

Scalar Property		Type	Description
minX	docs	Double	the start point of the box in the X direction
maxX	docs	Double	the end point of the box in the X direction
minY	docs	Double	the start point of the box in the Y direction
maxY	docs	Double	the end point of the box in the Y direction
minZ	docs	Double	the start point of the box in the Z direction
maxZ	docs	Double	the end point of the box in the Z direction
positionX	docs	Double	the x position of the cut parallel to the yz plane
positionY	docs	Double	the y position of the cut parallel to the xz plane
positionZ	docs	Double	the z position of the cut parallel to the xy plane
numPixelsX	docs	Int	the number of pixels in the x direction
numPixelsY	docs	Int	the number of pixels in the y direction
numPixelsZ	docs	Int	the number of pixels in the z direction

-PlummerGeometry

[docs] : a Plummer geometry

Scalar Property		Type	Description
scaleLength	docs	Double	the scale length

-PointSource

[docs] : a primary point source

Scalar Property		Type	Description
positionX	docs	Double	the position of the point source, x component
positionY	docs	Double	the position of the point source, y component
positionZ	docs	Double	the position of the point source, z component
velocityX	docs	Double	the bulk velocity of the source, x component
velocityY	docs	Double	the bulk velocity of the source, y component
velocityZ	docs	Double	the bulk velocity of the source, z component
sourceWeight	docs	Double	the weight of this source for the number of photon packets launched
wavelengthBias	docs	Double	the fraction of photon packet wavelengths sampled from a bias distribution

Compound Property		Type	Base Class		Description
angularDistribution	docs	Item	AngularDistribution	subclasses	the angular luminosity distribution of the emission
polarizationProfile	docs	Item	PolarizationProfile	subclasses	the polarization profile of the emission
sed	docs	Item	SED	subclasses	the spectral energy distribution for the source
normalization	docs	Item	LuminosityNormalization	subclasses	the type of luminosity normalization for the source
wavelengthBiasDistribution	docs	Item	WavelengthDistribution	subclasses	the bias distribution for sampling photon packet wavelengths

-PolarizedGraphiteGrainComposition

[docs] : a graphite dust grain composition with support for polarization

-PolarizedSilicateGrainComposition

[docs] : a silicate dust grain composition with support for polarization

-PolicyTreeSpatialGrid

[docs] : a tree-based spatial grid

Scalar Property		Type	Description
minX	docs	Double	the start point of the box in the X direction
maxX	docs	Double	the end point of the box in the X direction
minY	docs	Double	the start point of the box in the Y direction
maxY	docs	Double	the end point of the box in the Y direction
minZ	docs	Double	the start point of the box in the Z direction
maxZ	docs	Double	the end point of the box in the Z direction
treeType	docs	Enum	the type of tree
		--> OctTree	an octtree (8 children per node)
		--> BinTree	a binary tree (2 children per node)

Compound Property		Type	Base Class		Description
policy	docs	Item	TreePolicy	subclasses	the tree construction policy (configuration options)

-PowMesh

[docs] : a power-law mesh

Scalar Property		Type	Description
numBins	docs	Int	the number of bins in the mesh
ratio	docs	Double	the bin width ratio between the last and the first bin

-PowerLawGrainSizeDistribution

[docs] : a power-law dust grain size distribution

Scalar Property		Type	Description
minSize	docs	Double	the minimum grain size for this distribution
maxSize	docs	Double	the maximum grain size for this distribution
exponent	docs	Double	the (absolute value of the) exponent in the power-law distribution function

-PredefinedBandWavelengthGrid

[docs] : a wavelength grid including a predefined list of (broad)bands

Scalar Property		Type	Description
includeGALEX	docs	Bool	include GALEX FUV and NUV bands
includeSDSS	docs	Bool	include SDSS ugriz bands
include2MASS	docs	Bool	include 2MASS J, H and Ks bands
includeWISE	docs	Bool	include WISE W1, W2, W3 and W4 bands
includeHERSCHEL	docs	Bool	include HERSCHEL PACS 70,100,160 and SPIRE 250,350,500 bands

-ProbeSystem

[docs] : a probe system

Compound Property		Type	Base Class		Description
probes	docs	ItemList	Probe	subclasses	the probes

-PseudoSersicGeometry

[docs] : a pseudo-Sérsic geometry

Scalar Property		Type	Description
effectiveRadius	docs	Double	the effective radius
index	docs	Double	the Sérsic index n

-QuarticSplineSmoothingKernel

[docs] : a quartic spline smoothing kernel

-QuasarSED

[docs] : the spectral energy distribution of a typical quasar

-RadialVectorField

[docs] : a vector field pointing away from the origin

Scalar Property		Type	Description
unityRadius	docs	Double	the radius where the magnitude of the vectors is unity
exponent	docs	Double	the power-law exponent governing the radial dependence of the magnitude

-RadiationFieldOptions

[docs] : a set of options related to the radiation field

Scalar Property		Type	Description
storeRadiationField	docs	Bool	store the radiation field so that it can be probed for output

Compound Property		Type	Base Class		Description
radiationFieldWLG	docs	Item	DisjointWavelengthGrid	subclasses	the wavelength grid for storing the radiation field

-RadiationFieldProbe

[docs] : internal spatial grid: the mean radiation field intensity

Scalar Property		Type	Description
probeName	docs	String	the name for this probe
writeWavelengthGrid	docs	Bool	output a text file with the radiation field wavelength grid
probeAfter	docs	Enum	perform the probe after
		--> Run	after the complete simulation run
		--> Primary	after each iteration over primary emission
		--> Secondary	after each iteration over secondary emission

Compound Property		Type	Base Class		Description
form	docs	Item	Form	subclasses	the form describing how this quantity should be probed

-RadiationFieldWavelengthGridProbe

[docs] : wavelength grid: radiation field

Scalar Property		Type	Description
probeName	docs	String	the name for this probe

-Random

[docs] : the default random generator

Scalar Property		Type	Description
seed	docs	Int	the seed for the random generator

-ReadFits3DGeometry

[docs] : a geometry read from a 3D FITS file

Scalar Property		Type	Description
filename	docs	String	the filename of the datacube
pixelScale	docs	Double	the pixel scale for the datacube (i.e. the physical length per pixel)

-ReadFitsGeometry

[docs] : a geometry read from a 2D FITS file

Scalar Property		Type	Description
filename	docs	String	the name of the input image file
pixelScale	docs	Double	the physical scale of the image (length per pixel)
positionAngle	docs	Double	the position angle ω of the system
inclination	docs	Double	the inclination angle θ of the system
numPixelsX	docs	Int	number of pixels in the x direction
centerX	docs	Double	x coordinate of the center (in pixels)
numPixelsY	docs	Int	number of pixels in the y direction
centerY	docs	Double	y coordinate of the center (in pixels)
scaleHeight	docs	Double	the scale height

-ResolutionBorderWavelengthGrid

[docs] : a logarithmic wavelength grid with given spectral resolution and outer borders

Scalar Property		Type	Description
minWavelength	docs	Double	the shortest wavelength
maxWavelength	docs	Double	the longest wavelength
resolution	docs	Double	the spectral resolution R of the grid

-ResolutionWavelengthGrid

[docs] : a logarithmic wavelength grid with given spectral resolution

Scalar Property		Type	Description
minWavelength	docs	Double	the shortest wavelength
maxWavelength	docs	Double	the longest wavelength
resolution	docs	Double	the spectral resolution R of the grid

-RingGeometry

[docs] : a ring geometry

Scalar Property		Type	Description
ringRadius	docs	Double	the radius of the ring
width	docs	Double	the radial width of the ring
height	docs	Double	the scale height of the ring

-RotateGeometryDecorator

[docs] : a decorator that adds a rotation to any geometry

Scalar Property		Type	Description
eulerAlpha	docs	Double	the first Euler angle α
eulerBeta	docs	Double	the second Euler angle β
eulerGamma	docs	Double	the third Euler angle γ

Compound Property		Type	Base Class		Description
geometry	docs	Item	Geometry	subclasses	the geometry to be rotated

-RotateVectorFieldDecorator

[docs] : a decorator that adds a rotation to any vector field

Scalar Property		Type	Description
eulerAlpha	docs	Double	the first Euler angle α
eulerBeta	docs	Double	the second Euler angle β
eulerGamma	docs	Double	the third Euler angle γ

Compound Property		Type	Base Class		Description
vectorField	docs	Item	VectorField	subclasses	the vector field to be rotated

-SEDInstrument

[docs] : a distant instrument that outputs the spatially integrated flux density as an SED

Scalar Property		Type	Description
instrumentName	docs	String	the name for this instrument
distance	docs	Double	the distance to the system
inclination	docs	Double	the inclination angle θ of the detector
azimuth	docs	Double	the azimuth angle φ of the detector
roll	docs	Double	the roll angle ω of the detector
radius	docs	Double	the radius of the circular aperture, or zero for no aperture
recordComponents	docs	Bool	record flux components separately
numScatteringLevels	docs	Int	the number of individually recorded scattering levels
recordPolarization	docs	Bool	record polarization (Stokes vector elements)
recordStatistics	docs	Bool	record information for calculating statistical properties

Compound Property		Type	Base Class		Description
wavelengthGrid	docs	Item	WavelengthGrid	subclasses	the wavelength grid for this instrument

-SIUnits

[docs] : SI units

Scalar Property		Type	Description
wavelengthOutputStyle	docs	Enum	the output style for wavelengths
		--> Wavelength	as photon wavelength: λ
		--> Frequency	as photon frequency: ν
		--> Energy	as photon energy: E
fluxOutputStyle	docs	Enum	the output style for flux density and surface brightness
		--> Neutral	neutral: λ F_λ = ν F_ν
		--> Wavelength	per unit of wavelength: F_λ
		--> Frequency	per unit of frequency: F_ν
		--> Energy	counts per unit of energy: F_E

-SamplingOptions

[docs] : a set of options related to media sampling for the spatial grid

Scalar Property		Type	Description
numDensitySamples	docs	Int	the number of random density samples for determining spatial cell mass
numPropertySamples	docs	Int	the number of random samples for determining other medium properties
aggregateVelocity	docs	Enum	aggregating the bulk velocity from multiple medium components
		--> Average	Use the density-weighted average; missing values are taken to be zero
		--> Maximum	Use the vector with largest magnitude; missing values are taken to be zero
		--> First	Use the vector of the first medium component for which one is available

-ScaledGaussianSmoothingKernel

[docs] : a scaled Gaussian smoothing kernel

-SecondaryDustLuminosityProbe

[docs] : internal spatial grid: secondary dust luminosity

Scalar Property		Type	Description
probeName	docs	String	the name for this probe
probeAfter	docs	Enum	perform the probe after
		--> Run	after the complete simulation run
		--> Secondary	after each iteration over secondary emission

Compound Property		Type	Base Class		Description
form	docs	Item	Form	subclasses	the form describing how this quantity should be probed

-SecondaryEmissionOptions

[docs] : a set of options related to secondary emission

Scalar Property		Type	Description
storeEmissionRadiationField	docs	Bool	store the radiation field during emission so that it can be probed for output
secondaryPacketsMultiplier	docs	Double	the multiplier on the number of photon packets launched for secondary emission
spatialBias	docs	Double	the fraction of secondary photon packets distributed uniformly across spatial cells
sourceBias	docs	Double	the fraction of photon packets distributed uniformly across secondary sources

-SecondaryLineLuminosityProbe

[docs] : internal spatial grid: secondary line luminosity

Scalar Property		Type	Description
probeName	docs	String	the name for this probe
probeAfter	docs	Enum	perform the probe after
		--> Run	after the complete simulation run
		--> Secondary	after each iteration over secondary emission

Compound Property		Type	Base Class		Description
form	docs	Item	Form	subclasses	the form describing how this quantity should be probed

-SelectDustMixFamily

[docs] : a family of dust mixes specified in the configuration

Compound Property		Type	Base Class		Description
dustMixes	docs	ItemList	DustMix	subclasses	the family of dust mixes

-SersicGeometry

[docs] : a Sérsic geometry

Scalar Property		Type	Description
effectiveRadius	docs	Double	the effective radius
index	docs	Double	the Sérsic index n

-ShellGeometry

[docs] : a shell geometry

Scalar Property		Type	Description
minRadius	docs	Double	the inner radius of the shell
maxRadius	docs	Double	the outer radius of the shell
exponent	docs	Double	the power law exponent

-SineSquarePolarizationProfile

[docs] : an axysimmetric sine-square polarization emission profile

Scalar Property		Type	Description
symmetryX	docs	Double	the direction of the positive symmetry axis, x component
symmetryY	docs	Double	the direction of the positive symmetry axis, y component
symmetryZ	docs	Double	the direction of the positive symmetry axis, z component
maxPolarizationDegree	docs	Double	the maximum linear polarization degree
polarizationAngle	docs	Double	the linear polarization angle

-SingleGrainSizeDistribution

[docs] : a single-size dust grain size distribution

Scalar Property		Type	Description
size	docs	Double	the single grain size for this distribution

-SingleWavelengthSED

[docs] : a single-wavelength SED in the form of a Dirac-delta function

Scalar Property		Type	Description
wavelength	docs	Double	the single emission wavelength

-SiteListTreePolicy

[docs] : a tree grid construction policy using positions defined by an imported medium

Scalar Property		Type	Description
minLevel	docs	Int	the minimum level of grid refinement
maxLevel	docs	Int	the maximum level of grid refinement
numExtraLevels	docs	Int	the number of additional subdivision levels

-SourceSystem

[docs] : a primary source system

Scalar Property		Type	Description
minWavelength	docs	Double	the shortest wavelength of photon packets launched from primary sources
maxWavelength	docs	Double	the longest wavelength of photon packets launched from primary sources
wavelengths	docs	DoubleList	the discrete wavelengths of photon packets launched from primary sources
sourceBias	docs	Double	the fraction of photon packets distributed uniformly across primary sources

Compound Property		Type	Base Class		Description
sources	docs	ItemList	Source	subclasses	the primary sources

-SpatialCellPropertiesProbe

[docs] : properties: basic info for each spatial cell

Scalar Property		Type	Description
probeName	docs	String	the name for this probe
wavelength	docs	Double	the wavelength at which to determine the optical depth
probeAfter	docs	Enum	perform the probe after
		--> Setup	after setup
		--> Run	after the complete simulation run

-SpatialGridPlotProbe

[docs] : properties: data files for plotting the structure of the grid

Scalar Property		Type	Description
probeName	docs	String	the name for this probe

-SpatialGridSourceDensityProbe

[docs] : specialty: primary source density discretized on spatial grid

Scalar Property		Type	Description
probeName	docs	String	the name for this probe

-SpecificLuminosityNormalization

[docs] : source normalization through the specific luminosity at a given wavelength

Scalar Property		Type	Description
wavelength	docs	Double	the wavelength at which to provide the specific luminosity
unitStyle	docs	Enum	the luminosity unit style
		--> neutralmonluminosity	neutral: λ L_λ = ν L_ν
		--> wavelengthmonluminosity	per unit of wavelength: L_λ
		--> frequencymonluminosity	per unit of frequency: L_ν
		--> energymonluminosity	counts per unit of energy: L_E
specificLuminosity	docs	Double	the specific luminosity at the given wavelength

-SphePowerLawRedistributeGeometryDecorator

[docs] : a decorator that redistributes another geometry with a spherical power law

Scalar Property		Type	Description
exponent	docs	Double	the negative power of the weight function
minRadius	docs	Double	the radius of the clipping sphere

Compound Property		Type	Base Class		Description
geometry	docs	Item	Geometry	subclasses	the geometry for which the density will be redistributed

-Sphere1DSpatialGrid

[docs] : a 1D spherically symmetric spatial grid

Scalar Property		Type	Description
minRadius	docs	Double	the inner radius of the grid
maxRadius	docs	Double	the outer radius of the grid

Compound Property		Type	Base Class		Description
meshRadial	docs	Item	Mesh	subclasses	the bin distribution in the radial direction

-Sphere2DSpatialGrid

[docs] : a 2D axisymmetric spatial grid in spherical coordinates

Scalar Property		Type	Description
minRadius	docs	Double	the inner radius of the grid
maxRadius	docs	Double	the outer radius of the grid

Compound Property		Type	Base Class		Description
meshRadial	docs	Item	Mesh	subclasses	the bin distribution in the radial direction
meshPolar	docs	Item	Mesh	subclasses	the bin distribution in the polar direction

-Sphere3DSpatialGrid

[docs] : a 3D spatial grid in spherical coordinates

Scalar Property		Type	Description
minRadius	docs	Double	the inner radius of the grid
maxRadius	docs	Double	the outer radius of the grid

Compound Property		Type	Base Class		Description
meshRadial	docs	Item	Mesh	subclasses	the bin distribution in the radial direction
meshPolar	docs	Item	Mesh	subclasses	the bin distribution in the polar direction
meshAzimuthal	docs	Item	Mesh	subclasses	the bin distribution in the azimuthal direction

-SphericalBackgroundSource

[docs] : a spherical background source with an anisotropic inward radiation field

Scalar Property		Type	Description
centerX	docs	Double	the center of the source, x component
centerY	docs	Double	the center of the source, y component
centerZ	docs	Double	the center of the source, z component
backgroundRadius	docs	Double	the radius of the background sphere
velocityX	docs	Double	the bulk velocity of the source, x component
velocityY	docs	Double	the bulk velocity of the source, y component
velocityZ	docs	Double	the bulk velocity of the source, z component
sourceWeight	docs	Double	the weight of this source for the number of photon packets launched
wavelengthBias	docs	Double	the fraction of photon packet wavelengths sampled from a bias distribution

Compound Property		Type	Base Class		Description
sed	docs	Item	SED	subclasses	the spectral energy distribution for the source
normalization	docs	Item	LuminosityNormalization	subclasses	the type of luminosity normalization for the source
wavelengthBiasDistribution	docs	Item	WavelengthDistribution	subclasses	the bias distribution for sampling photon packet wavelengths

-SphericalCellGeometry

[docs] : a geometry imported from spherical cell data

Scalar Property		Type	Description
filename	docs	String	the name of the file to be imported
autoRevolve	docs	Enum	automatically revolve 1D or 2D data to a 3D model
		--> None	no auto-revolve
		--> Inclination	auto-revolve inclination
		--> Azimuth	auto-revolve azimuth
		--> InclinationAndAzimuth	auto-revolve both inclination and azimuth
numInclinationRevolveBins	docs	Int	the number of inclination bins for auto-revolving 1D or 2D data
numAzimuthRevolveBins	docs	Int	the number of azimuth bins for auto-revolving 1D or 2D data
massType	docs	Enum	the type of mass quantity to be imported
		--> MassDensity	mass density
		--> Mass	mass (volume-integrated mass density)
		--> NumberDensity	number density
		--> Number	number (volume-integrated number density)
importMetallicity	docs	Bool	import a metallicity column
importTemperature	docs	Bool	import a temperature column
maxTemperature	docs	Double	the maximum temperature for included mass (or zero to include all)
useColumns	docs	String	a list of names corresponding to columns in the file to be imported

-SphericalCellMedium

[docs] : a transfer medium imported from spherical cell data

Scalar Property		Type	Description
filename	docs	String	the name of the file to be imported
autoRevolve	docs	Enum	automatically revolve 1D or 2D data to a 3D model
		--> None	no auto-revolve
		--> Inclination	auto-revolve inclination
		--> Azimuth	auto-revolve azimuth
		--> InclinationAndAzimuth	auto-revolve both inclination and azimuth
numInclinationRevolveBins	docs	Int	the number of inclination bins for auto-revolving 1D or 2D data
numAzimuthRevolveBins	docs	Int	the number of azimuth bins for auto-revolving 1D or 2D data
massType	docs	Enum	the type of mass quantity to be imported
		--> MassDensity	mass density
		--> Mass	mass (volume-integrated)
		--> NumberDensity	number density
		--> Number	number (volume-integrated)
massFraction	docs	Double	the fraction of the mass to be included (or one to include all)
importMetallicity	docs	Bool	import a metallicity column
importTemperature	docs	Bool	import a temperature column
maxTemperature	docs	Double	the maximum temperature for included mass (or zero to include all)
importVelocity	docs	Bool	import velocity components (3 columns)
importMagneticField	docs	Bool	import magnetic field components (3 columns)
importVariableMixParams	docs	Bool	import parameter(s) to select a spatially varying material mix
useColumns	docs	String	a list of names corresponding to columns in the file to be imported

Compound Property		Type	Base Class		Description
materialMix	docs	Item	MaterialMix	subclasses	the material type and properties throughout the medium
materialMixFamily	docs	Item	MaterialMixFamily	subclasses	the material mix family addressed by the imported parameter(s)

-SphericalCellSource

[docs] : a primary source imported from spherical cell data

Scalar Property		Type	Description
filename	docs	String	the name of the file to be imported
autoRevolve	docs	Enum	automatically revolve 1D or 2D data to a 3D model
		--> None	no auto-revolve
		--> Inclination	auto-revolve inclination
		--> Azimuth	auto-revolve azimuth
		--> InclinationAndAzimuth	auto-revolve both inclination and azimuth
numInclinationRevolveBins	docs	Int	the number of inclination bins for auto-revolving 1D or 2D data
numAzimuthRevolveBins	docs	Int	the number of azimuth bins for auto-revolving 1D or 2D data
importVelocity	docs	Bool	import velocity components (3 columns)
importVelocityDispersion	docs	Bool	import velocity dispersion (spherically symmetric)
importCurrentMass	docs	Bool	import current mass
importBias	docs	Bool	import a per-particle/cell source bias weight
useColumns	docs	String	a list of names corresponding to columns in the file to be imported
sourceWeight	docs	Double	the weight of this source for the number of photon packets launched
wavelengthBias	docs	Double	the fraction of photon packet wavelengths sampled from a bias distribution

Compound Property		Type	Base Class		Description
sedFamily	docs	Item	SEDFamily	subclasses	the SED family for assigning spectra to the imported sources
wavelengthBiasDistribution	docs	Item	WavelengthDistribution	subclasses	the bias distribution for sampling photon packet wavelengths

-SphericalClipGeometryDecorator

[docs] : a decorator that clips another geometry using a sphere

Scalar Property		Type	Description
remove	docs	Enum	the region to be removed
		--> Inside	the inner region (creating a cavity)
		--> Outside	the outer region (cropping)
clipRadius	docs	Double	the radius of the clipping sphere
centerX	docs	Double	the x coordinate of the sphere's center
centerY	docs	Double	the y coordinate of the sphere's center
centerZ	docs	Double	the z coordinate of the sphere's center

Compound Property		Type	Base Class		Description
geometry	docs	Item	Geometry	subclasses	the geometry to be clipped

-SpheroidalGeometryDecorator

[docs] : a decorator that constructs a spheroidal variant of any spherical geometry

Scalar Property		Type	Description
flattening	docs	Double	the flattening parameter q

Compound Property		Type	Base Class		Description
geometry	docs	Item	SpheGeometry	subclasses	the spherical geometry to be made spheroidal

-SpheroidalGraphiteGrainComposition

[docs] : a spheroidal graphite dust grain composition with support for polarization

Scalar Property		Type	Description
tableType	docs	Enum	the type of emission tables to use
		--> Builtin	builtin resources
		--> OneTable	single custom table
		--> TwoTables	two custom tables with interpolation
emissionTable	docs	String	the name of the file tabulating properties for polarized emission by arbitrarily aligned spheroidal grains
alignedEmissionTable	docs	String	the name of the file tabulating properties for polarized emission by perfectly aligned spheroidal grains
nonAlignedEmissionTable	docs	String	the name of the file tabulating properties for polarized emission by non-aligned spheroidal grains
alignmentFraction	docs	Double	the alignment fraction of the spheroidal grains with the local magnetic field

-SpheroidalSilicateGrainComposition

[docs] : a spheroidal silicate dust grain composition with support for polarization

Scalar Property		Type	Description
tableType	docs	Enum	the type of emission tables to use
		--> Builtin	builtin resources
		--> OneTable	single custom table
		--> TwoTables	two custom tables with interpolation
emissionTable	docs	String	the name of the file tabulating properties for polarized emission by arbitrarily aligned spheroidal grains
alignedEmissionTable	docs	String	the name of the file tabulating properties for polarized emission by perfectly aligned spheroidal grains
nonAlignedEmissionTable	docs	String	the name of the file tabulating properties for polarized emission by non-aligned spheroidal grains
alignmentFraction	docs	Double	the alignment fraction of the spheroidal grains with the local magnetic field

-SpinFlipAbsorptionMix

[docs] : A gas mix supporting the spin-flip 21 cm hydrogen absorption

Scalar Property		Type	Description
defaultTemperature	docs	Double	the default temperature of the gas

-SpinFlipHydrogenGasMix

[docs] : A gas mix supporting the spin-flip 21 cm hydrogen transition

Scalar Property		Type	Description
sourceWeight	docs	Double	the weight of this secondary source for the number of photon packets launched
wavelengthBias	docs	Double	the fraction of secondary photon packet wavelengths sampled from a bias distribution
defaultMetallicity	docs	Double	the default metallicity of the gas
defaultTemperature	docs	Double	the default temperature of the gas
defaultNeutralSurfaceDensity	docs	Double	the default neutral hydrogen surface density

Compound Property		Type	Base Class		Description
wavelengthBiasDistribution	docs	Item	WavelengthDistribution	subclasses	the bias distribution for sampling secondary photon packet wavelengths

-SpinFlipSEDFamily

[docs] : a family of Gaussian spectra around the central spin-flip wavelength

-SpiralStructureGeometryDecorator

[docs] : a decorator that adds spiral structure to any axisymmetric geometry

Scalar Property		Type	Description
numArms	docs	Int	the number of spiral arms
pitchAngle	docs	Double	the pitch angle
radiusZeroPoint	docs	Double	the radius zero-point
phaseZeroPoint	docs	Double	the phase zero-point
perturbationWeight	docs	Double	the weight of the spiral perturbation
index	docs	Int	the arm-interarm size ratio index

Compound Property		Type	Base Class		Description
geometry	docs	Item	AxGeometry	subclasses	the axisymmetric geometry to be decorated with spiral structure

-Starburst99SED

[docs] : a Starburst99 simple stellar population SED

Scalar Property		Type	Description
metallicity	docs	Double	the metallicity of the SSP
age	docs	Double	the age of the SSP

-Starburst99SEDFamily

[docs] : a Starburst99 SED family for single stellar populations

-StellarSurfaceSource

[docs] : a stellar surface source with an anisotropic outward radiation field

Scalar Property		Type	Description
centerX	docs	Double	the center of the source, x component
centerY	docs	Double	the center of the source, y component
centerZ	docs	Double	the center of the source, z component
stellarRadius	docs	Double	the stellar radius
velocityX	docs	Double	the bulk velocity of the source, x component
velocityY	docs	Double	the bulk velocity of the source, y component
velocityZ	docs	Double	the bulk velocity of the source, z component
sourceWeight	docs	Double	the weight of this source for the number of photon packets launched
wavelengthBias	docs	Double	the fraction of photon packet wavelengths sampled from a bias distribution

Compound Property		Type	Base Class		Description
sed	docs	Item	SED	subclasses	the spectral energy distribution for the source
normalization	docs	Item	LuminosityNormalization	subclasses	the type of luminosity normalization for the source
wavelengthBiasDistribution	docs	Item	WavelengthDistribution	subclasses	the bias distribution for sampling photon packet wavelengths

-StellarUnits

[docs] : stellar units (length in AU, distance in pc)

Scalar Property		Type	Description
wavelengthOutputStyle	docs	Enum	the output style for wavelengths
		--> Wavelength	as photon wavelength: λ
		--> Frequency	as photon frequency: ν
		--> Energy	as photon energy: E
fluxOutputStyle	docs	Enum	the output style for flux density and surface brightness
		--> Neutral	neutral: λ F_λ = ν F_ν
		--> Wavelength	per unit of wavelength: F_λ
		--> Frequency	per unit of frequency: F_ν
		--> Energy	counts per unit of energy: F_E

-SunSED

[docs] : the spectral energy distribution of the Sun

-SymCosMesh

[docs] : a symmetric cosine mesh

Scalar Property		Type	Description
numBins	docs	Int	the number of bins in the mesh

-SymLogMesh

[docs] : a symmetric logarithmic mesh

Scalar Property		Type	Description
numBins	docs	Int	the number of bins in the mesh
centralBinFraction	docs	Double	the central bin width fraction

-SymPowMesh

[docs] : a symmetric power-law mesh

Scalar Property		Type	Description
numBins	docs	Int	the number of bins in the mesh
ratio	docs	Double	the bin width ratio between the outermost and the innermost bins

-TTauriDiskGeometry

[docs] : a T Tauri disk geometry

Scalar Property		Type	Description
scaleLength	docs	Double	the scale length
scaleHeight	docs	Double	the scale height
minRadius	docs	Double	the inner radius of the disk
maxRadius	docs	Double	the outer radius of the disk
radialIndex	docs	Double	the radial exponent index α
verticalIndex	docs	Double	the vertical exponent index b

-TemperatureProbe

[docs] : internal spatial grid: indicative temperature of the medium

Scalar Property		Type	Description
probeName	docs	String	the name for this probe
aggregation	docs	Enum	how to aggregate the indicative temperature
		--> Fragment	per fragment (dust grain material type and/or size bin)
		--> Component	per medium component
		--> Type	per medium type (dust, electrons, gas)
probeAfter	docs	Enum	perform the probe after
		--> Setup	after setup
		--> Run	after the complete simulation run
		--> Primary	after each iteration over primary emission
		--> Secondary	after each iteration over secondary emission

Compound Property		Type	Base Class		Description
form	docs	Item	Form	subclasses	the form describing how this quantity should be probed

-TemperatureWavelengthCellLibrary

[docs] : a library scheme for grouping spatial cells based on indicative temperature and wavelength

Scalar Property		Type	Description
numTemperatures	docs	Int	the number of temperature bins
numWavelengths	docs	Int	the number of wavelength bins

-TetraMeshSpatialGrid

[docs] : a tetrahedral spatial grid

Scalar Property		Type	Description
minX	docs	Double	the start point of the box in the X direction
maxX	docs	Double	the end point of the box in the X direction
minY	docs	Double	the start point of the box in the Y direction
maxY	docs	Double	the end point of the box in the Y direction
minZ	docs	Double	the start point of the box in the Z direction
maxZ	docs	Double	the end point of the box in the Z direction
policy	docs	Enum	the policy for determining the positions of the vertices
		--> Uniform	random from uniform distribution
		--> CentralPeak	random from distribution with a steep central peak
		--> DustDensity	random from dust density distribution
		--> ElectronDensity	random from electron density distribution
		--> GasDensity	random from gas density distribution
		--> File	loaded from text column data file
numSamples	docs	Int	the number of random positions to be used as vertices
filename	docs	String	the name of the file containing the vertex positions
refine	docs	Bool	refine the grid by performing local mesh operations

-ThemisDustMix

[docs] : a THEMIS (Jones et al. 2017) dust mix

Scalar Property		Type	Description
numSilicateSizes	docs	Int	the number of grain size bins for each of the silicate populations
numHydrocarbonSizes	docs	Int	the number of grain size bins for each of the hydrocarbon populations

-ToddlersSED

[docs] : a Toddlers SED for emission from star-forming regions

Scalar Property		Type	Description
pahfraction	docs	Enum	the maximum PAH-to-dust fraction
		--> High	High PAH-to-dust fraction (4.6%)
		--> Low	Low PAH-to-dust fraction (1%)
resolution	docs	Enum	the wavelength resolution
		--> Low	Low wavelength resolution (continuum and lines at R=300)
		--> High	High wavelength resolution (continuum at R=300 and lines at R=5e4)
age	docs	Double	system age
metallicity	docs	Double	system metallicity
SFE	docs	Double	star formation efficiency
cloudNumDensity	docs	Double	natal cloud number density

-ToddlersSEDFamily

[docs] : a Toddlers SED family for emission from star-forming regions

Scalar Property		Type	Description
pahfraction	docs	Enum	the maximum PAH-to-dust fraction
		--> High	High PAH-to-dust fraction (4.6%)
		--> Low	Low PAH-to-dust fraction (1%)
resolution	docs	Enum	the wavelength resolution
		--> Low	Low wavelength resolution (continuum and lines at R=300)
		--> High	High wavelength resolution (continuum at R=300 and lines at R=5e4)

-TorusGeometry

[docs] : a torus geometry

Scalar Property		Type	Description
exponent	docs	Double	the radial powerlaw exponent p of the torus
index	docs	Double	the polar index q of the torus
openingAngle	docs	Double	the half opening angle of the torus
minRadius	docs	Double	the minimum radius of the torus
maxRadius	docs	Double	the maximum radius of the torus
reshapeInnerRadius	docs	Bool	reshape the inner radius according to the Netzer luminosity profile
cutoffRadius	docs	Double	the inner cutoff radius of the torus

-TreeSpatialGridTopologyProbe

[docs] : specialty: data file representing the topology of the tree spatial grid

Scalar Property		Type	Description
probeName	docs	String	the name for this probe

-TriaxialGeometryDecorator

[docs] : a decorator that constructs a triaxial variant of any spherical geometry

Scalar Property		Type	Description
flatteningY	docs	Double	the flattening parameter p (along the y-axis)
flatteningZ	docs	Double	the flattening parameter q (along the z-axis)

Compound Property		Type	Base Class		Description
geometry	docs	Item	SpheGeometry	subclasses	the spherical geometry to be made triaxial

-TrivialGasMix

[docs] : A trivial gas mix for testing purposes

Scalar Property		Type	Description
absorptionCrossSection	docs	Double	the absorption cross section per hydrogen atom
scatteringCrossSection	docs	Double	the scattering cross section per hydrogen atom
asymmetryParameter	docs	Double	the scattering asymmetry parameter

-TrustBenchmarkDustMix

[docs] : a TRUST benchmark dust mix

Scalar Property		Type	Description
numSilicateSizes	docs	Int	the number of silicate grain size bins
numGraphiteSizes	docs	Int	the number of graphite grain size bins
numPAHSizes	docs	Int	the number of PAH size bins

-TrustGraphiteGrainComposition

[docs] : a TRUST benchmark graphite dust grain composition

-TrustNeutralPAHGrainComposition

[docs] : a TRUST benchmark neutral PAH dust grain composition

-TrustSilicateGrainComposition

[docs] : a TRUST benchmark silicate dust grain composition

-UnidirectionalVectorField

[docs] : a vector field uniformly pointing in a given direction

Scalar Property		Type	Description
fieldX	docs	Double	the field direction, x component
fieldY	docs	Double	the field direction, y component
fieldZ	docs	Double	the field direction, z component

-UniformBoxGeometry

[docs] : a geometry with uniform density inside a box

Scalar Property		Type	Description
minX	docs	Double	the start point of the box in the X direction
maxX	docs	Double	the end point of the box in the X direction
minY	docs	Double	the start point of the box in the Y direction
maxY	docs	Double	the end point of the box in the Y direction
minZ	docs	Double	the start point of the box in the Z direction
maxZ	docs	Double	the end point of the box in the Z direction

-UniformSmoothingKernel

[docs] : a uniform smoothing kernel

-VelocityProbe

[docs] : internal spatial grid: bulk velocity of the medium

Scalar Property		Type	Description
probeName	docs	String	the name for this probe

Compound Property		Type	Base Class		Description
form	docs	Item	Form	subclasses	the form describing how this quantity should be probed

-VoronoiMeshGeometry

[docs] : a geometry imported from data represented on a Voronoi mesh

Scalar Property		Type	Description
filename	docs	String	the name of the file to be imported
minX	docs	Double	the start point of the domain in the X direction
maxX	docs	Double	the end point of the domain in the X direction
minY	docs	Double	the start point of the domain in the Y direction
maxY	docs	Double	the end point of the domain in the Y direction
minZ	docs	Double	the start point of the domain in the Z direction
maxZ	docs	Double	the end point of the domain in the Z direction
massType	docs	Enum	the type of mass quantity to be imported
		--> MassDensity	mass density
		--> Mass	mass (volume-integrated mass density)
		--> NumberDensity	number density
		--> Number	number (volume-integrated number density)
importMetallicity	docs	Bool	import a metallicity column
importTemperature	docs	Bool	import a temperature column
maxTemperature	docs	Double	the maximum temperature for included mass (or zero to include all)
useColumns	docs	String	a list of names corresponding to columns in the file to be imported

-VoronoiMeshMedium

[docs] : a transfer medium imported from data represented on a Voronoi mesh

Scalar Property		Type	Description
filename	docs	String	the name of the file to be imported
minX	docs	Double	the start point of the domain in the X direction
maxX	docs	Double	the end point of the domain in the X direction
minY	docs	Double	the start point of the domain in the Y direction
maxY	docs	Double	the end point of the domain in the Y direction
minZ	docs	Double	the start point of the domain in the Z direction
maxZ	docs	Double	the end point of the domain in the Z direction
massType	docs	Enum	the type of mass quantity to be imported
		--> MassDensity	mass density
		--> Mass	mass (volume-integrated)
		--> MassDensityAndMass	both mass density and volume-integrated mass
		--> NumberDensity	number density
		--> Number	number (volume-integrated)
		--> NumberDensityAndNumber	both number density and volume-integrated number
massFraction	docs	Double	the fraction of the mass to be included (or one to include all)
importMetallicity	docs	Bool	import a metallicity column
importTemperature	docs	Bool	import a temperature column
maxTemperature	docs	Double	the maximum temperature for included mass (or zero to include all)
importVelocity	docs	Bool	import velocity components (3 columns)
importMagneticField	docs	Bool	import magnetic field components (3 columns)
importVariableMixParams	docs	Bool	import parameter(s) to select a spatially varying material mix
useColumns	docs	String	a list of names corresponding to columns in the file to be imported

Compound Property		Type	Base Class		Description
materialMix	docs	Item	MaterialMix	subclasses	the material type and properties throughout the medium
materialMixFamily	docs	Item	MaterialMixFamily	subclasses	the material mix family addressed by the imported parameter(s)

-VoronoiMeshSource

[docs] : a primary source imported from data represented on a Voronoi mesh

Scalar Property		Type	Description
filename	docs	String	the name of the file to be imported
minX	docs	Double	the start point of the domain in the X direction
maxX	docs	Double	the end point of the domain in the X direction
minY	docs	Double	the start point of the domain in the Y direction
maxY	docs	Double	the end point of the domain in the Y direction
minZ	docs	Double	the start point of the domain in the Z direction
maxZ	docs	Double	the end point of the domain in the Z direction
importVelocity	docs	Bool	import velocity components (3 columns)
importVelocityDispersion	docs	Bool	import velocity dispersion (spherically symmetric)
importCurrentMass	docs	Bool	import current mass
importBias	docs	Bool	import a per-particle/cell source bias weight
useColumns	docs	String	a list of names corresponding to columns in the file to be imported
sourceWeight	docs	Double	the weight of this source for the number of photon packets launched
wavelengthBias	docs	Double	the fraction of photon packet wavelengths sampled from a bias distribution

Compound Property		Type	Base Class		Description
sedFamily	docs	Item	SEDFamily	subclasses	the SED family for assigning spectra to the imported sources
wavelengthBiasDistribution	docs	Item	WavelengthDistribution	subclasses	the bias distribution for sampling photon packet wavelengths

-VoronoiMeshSpatialGrid

[docs] : a Voronoi tessellation-based spatial grid

Scalar Property		Type	Description
minX	docs	Double	the start point of the box in the X direction
maxX	docs	Double	the end point of the box in the X direction
minY	docs	Double	the start point of the box in the Y direction
maxY	docs	Double	the end point of the box in the Y direction
minZ	docs	Double	the start point of the box in the Z direction
maxZ	docs	Double	the end point of the box in the Z direction
policy	docs	Enum	the policy for determining the positions of the sites
		--> Uniform	random from uniform distribution
		--> CentralPeak	random from distribution with a steep central peak
		--> DustDensity	random from dust density distribution
		--> ElectronDensity	random from electron density distribution
		--> GasDensity	random from gas density distribution
		--> File	loaded from text column data file
		--> ImportedSites	positions of particles, sites or cells in imported distribution
		--> ImportedMesh	employ imported Voronoi mesh in medium system
numSites	docs	Int	the number of random sites (or cells in the grid)
filename	docs	String	the name of the file containing the site positions
relaxSites	docs	Bool	perform site relaxation to avoid overly elongated cells

-WeingartnerDraineDustMix

[docs] : a Weingartner and Draine (2001) dust mix

Scalar Property		Type	Description
environment	docs	Enum	the environment determining the dust model
		--> MilkyWay	the Milky Way
		--> LMC	the Large Magellanic Cloud
		--> SMC	the Small Magellanic Cloud
numSilicateSizes	docs	Int	the number of silicate grain size bins
numGraphiteSizes	docs	Int	the number of graphite grain size bins
numPAHSizes	docs	Int	the number of neutral and ionized PAH size bins (each)

-XRayAtomicGasMix

[docs] : A gas mix supporting photo-absorption and fluorescence for X-ray wavelengths

Scalar Property		Type	Description
abundancies	docs	DoubleList	the abundancies for the elements with atomic number Z = 1,...,30
temperature	docs	Double	the temperature of the gas or zero to disable thermal dispersion
scatterBoundElectrons	docs	Enum	implementation of scattering by bound electrons
		--> None	ignore bound electrons
		--> Free	use free-electron Compton scattering
		--> FreeWithPolarization	use free-electron Compton scattering with support for polarization
		--> Good	use smooth Rayleigh scattering and exact bound-Compton scattering
		--> Exact	use anomalous Rayleigh scattering and exact bound-Compton scattering

-ZubkoDustMix

[docs] : a Zubko et al. (2004) dust mix

Scalar Property		Type	Description
numSilicateSizes	docs	Int	the number of silicate grain size bins
numGraphiteSizes	docs	Int	the number of graphite grain size bins
numPAHSizes	docs	Int	the number of neutral and ionized PAH size bins (each)

-ZubkoGraphiteGrainSizeDistribution

[docs] : a Zubko, Dwek & Arendt size distribution for graphite dust grains

-ZubkoPAHGrainSizeDistribution

[docs] : a Zubko, Dwek & Arendt size distribution for PAH molecules

-ZubkoSilicateGrainSizeDistribution

[docs] : a Zubko, Dwek & Arendt size distribution for silicate dust grains