The SKIRT project
advanced radiative transfer for astrophysics
LocalUniverseCosmology Class Reference

#include <LocalUniverseCosmology.hpp>

Inheritance diagram for LocalUniverseCosmology:

Public Member Functions

double angularDiameterDistance () const override
double luminosityDistance () const override
double modelRedshift () const override
double relativeExpansionRate () const override
Public Member Functions inherited from SimulationItem
template<class T>
T * find (bool setup=true) const
template<class T>
T * interface (int levels=-999999, bool setup=true) const
virtual string itemName () const
void setup ()
string typeAndName () const
Public Member Functions inherited from Item
 Item (const Item &)=delete
virtual ~Item ()
void addChild (Item *child)
const vector< Item * > & children () const
virtual void clearItemListProperty (const PropertyDef *property)
void destroyChild (Item *child)
virtual bool getBoolProperty (const PropertyDef *property) const
virtual vector< double > getDoubleListProperty (const PropertyDef *property) const
virtual double getDoubleProperty (const PropertyDef *property) const
virtual string getEnumProperty (const PropertyDef *property) const
virtual int getIntProperty (const PropertyDef *property) const
virtual vector< Item * > getItemListProperty (const PropertyDef *property) const
virtual ItemgetItemProperty (const PropertyDef *property) const
virtual string getStringProperty (const PropertyDef *property) const
int getUtilityProperty (string name) const
virtual void insertIntoItemListProperty (const PropertyDef *property, int index, Item *item)
Itemoperator= (const Item &)=delete
Itemparent () const
virtual void removeFromItemListProperty (const PropertyDef *property, int index)
virtual void setBoolProperty (const PropertyDef *property, bool value)
virtual void setDoubleListProperty (const PropertyDef *property, vector< double > value)
virtual void setDoubleProperty (const PropertyDef *property, double value)
virtual void setEnumProperty (const PropertyDef *property, string value)
virtual void setIntProperty (const PropertyDef *property, int value)
virtual void setItemProperty (const PropertyDef *property, Item *item)
virtual void setStringProperty (const PropertyDef *property, string value)
void setUtilityProperty (string name, int value)
virtual string type () const

Protected Member Functions

 LocalUniverseCosmology ()
Protected Member Functions inherited from Cosmology
 Cosmology ()
Protected Member Functions inherited from SimulationItem
 SimulationItem ()
virtual bool offersInterface (const std::type_info &interfaceTypeInfo) const
virtual void setupSelfAfter ()
virtual void setupSelfBefore ()
Protected Member Functions inherited from Item
 Item ()

Private Types

using BaseType
using ItemType

Friends

class ItemRegistry

Detailed Description

An instance of the LocalUniverseCosmology class represents a special-case "cosmology" where the simulated model resides at redshift zero. As a result, there is no need to specify the spatial geometry and expansion behavior of the universe.

Constructor & Destructor Documentation

◆ LocalUniverseCosmology()

LocalUniverseCosmology::LocalUniverseCosmology ( )
inlineprotected

Default constructor for concrete Item subclass LocalUniverseCosmology: "the model is at redshift zero in the Local Universe".

Member Function Documentation

◆ angularDiameterDistance()

double LocalUniverseCosmology::angularDiameterDistance ( ) const
overridevirtual

This function returns the angular-diameter distance \(d_\mathrm{A}(z)\). For this class, it always returns zero, indicating that the model resides in the Local Universe.

Implements Cosmology.

◆ luminosityDistance()

double LocalUniverseCosmology::luminosityDistance ( ) const
overridevirtual

This function returns the luminosity distance. For this class, it always returns zero, indicating that the model resides in the Local Universe.

Implements Cosmology.

◆ modelRedshift()

double LocalUniverseCosmology::modelRedshift ( ) const
overridevirtual

This function returns a zero redshift, indicating that the model resides in the Local Universe.

Implements Cosmology.

◆ relativeExpansionRate()

double LocalUniverseCosmology::relativeExpansionRate ( ) const
overridevirtual

This function returns the present-day relative expansion rate of the universe, often called the Hubble constant, assuming a fixed value of 67.5 (km/s)/Mpc. The function returns this value in SI units, i.e. \(\mathrm{s}^{-1}\).

To configure another value of the present-day relative expansion rate, use the FlatUniverseCosmology class with a redshift of zero and the desired value for the reduced Hubble parameter.

Implements Cosmology.


The documentation for this class was generated from the following file: