ROLogitCalculator Class Reference

Cost calculation with c-logit or logit method. More...

#include <ROCostCalculator.h>

Inheritance diagram for ROLogitCalculator:

Public Member Functions
void	calculateProbabilities (const ROVehicle *const veh, std::vector< RORoute * > alternatives)
	calculate the probabilities in the logit model
	ROLogitCalculator (const SUMOReal beta, const SUMOReal gamma, const SUMOReal theta)
	Constructor.
void	setCosts (RORoute *route, const SUMOReal costs, const bool isActive=false) const
virtual	~ROLogitCalculator ()
	Destructor.
Static Public Member Functions
static void	cleanup ()
static ROCostCalculator &	getCalculator ()
Private Member Functions
SUMOReal	getBetaForCLogit (const std::vector< RORoute * > alternatives) const
	calculate the scaling factor in the logit model
SUMOReal	getThetaForCLogit (const std::vector< RORoute * > alternatives) const
	calculate the scaling factor in the logit model
Private Attributes
const SUMOReal	myBeta
	logit beta - value
std::map< const RORoute *, SUMOReal >	myCommonalities
	The route commonality factors for c-logit.
const SUMOReal	myGamma
	logit gamma - value
const SUMOReal	myTheta
	logit theta - value

---

Detailed Description

Cost calculation with c-logit or logit method.

Definition at line 116 of file ROCostCalculator.h.

---

Constructor & Destructor Documentation

ROLogitCalculator::ROLogitCalculator	(	const SUMOReal	beta,
		const SUMOReal	gamma,
		const SUMOReal	theta
	)

Constructor.

Definition at line 149 of file ROCostCalculator.cpp.

ROLogitCalculator::~ROLogitCalculator

(

)

[virtual]

Destructor.

Definition at line 154 of file ROCostCalculator.cpp.

---

Member Function Documentation

void ROLogitCalculator::calculateProbabilities	(	const ROVehicle *const	veh,
		std::vector< RORoute * >	alternatives
	)		[virtual]

calculate the probabilities in the logit model

Implements ROCostCalculator.

Definition at line 164 of file ROCostCalculator.cpp.

References getBetaForCLogit(), RORoute::getCosts(), ROVehicle::getDepartureTime(), RORoute::getEdgeVector(), getThetaForCLogit(), myBeta, myCommonalities, myGamma, myTheta, RORoute::setProbability(), STEPS2TIME, and SUMOReal.

void ROCostCalculator::cleanup

(

)

[static, inherited]

Definition at line 77 of file ROCostCalculator.cpp.

References ROCostCalculator::myInstance.

Referenced by computeRoutes().

SUMOReal ROLogitCalculator::getBetaForCLogit

(

const std::vector< RORoute * >

alternatives

)

const [private]

calculate the scaling factor in the logit model

Definition at line 207 of file ROCostCalculator.cpp.

References max, min, and SUMOReal.

Referenced by calculateProbabilities().

ROCostCalculator & ROCostCalculator::getCalculator

(

)

[static, inherited]

Definition at line 63 of file ROCostCalculator.cpp.

References OptionsCont::getBool(), OptionsCont::getFloat(), OptionsCont::getOptions(), and ROCostCalculator::myInstance.

Referenced by RORouteDef_Alternatives::addAlternative(), and RORouteDef_Alternatives::preComputeCurrentRoute().

SUMOReal ROLogitCalculator::getThetaForCLogit

(

const std::vector< RORoute * >

alternatives

)

const [private]

calculate the scaling factor in the logit model

Definition at line 220 of file ROCostCalculator.cpp.

References max, min, PI, and SUMOReal.

Referenced by calculateProbabilities().

void ROLogitCalculator::setCosts	(	RORoute *	route,
		const SUMOReal	costs,
		const bool	isActive = false
	)		const [virtual]

Implements ROCostCalculator.

Definition at line 158 of file ROCostCalculator.cpp.

References RORoute::setCosts().

---

Field Documentation

const SUMOReal ROLogitCalculator::myBeta [private]

logit beta - value

Definition at line 139 of file ROCostCalculator.h.

Referenced by calculateProbabilities().

std::map<const RORoute*, SUMOReal> ROLogitCalculator::myCommonalities [private]

The route commonality factors for c-logit.

Definition at line 148 of file ROCostCalculator.h.

Referenced by calculateProbabilities().

const SUMOReal ROLogitCalculator::myGamma [private]

logit gamma - value

Definition at line 142 of file ROCostCalculator.h.

Referenced by calculateProbabilities().

const SUMOReal ROLogitCalculator::myTheta [private]

logit theta - value

Definition at line 145 of file ROCostCalculator.h.

Referenced by calculateProbabilities().

---

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

• ROCostCalculator.h
• ROCostCalculator.cpp