An encounter is an episode involving two vehicles, which are closer to each other than some specified distance. More...

Collaboration diagram for MSDevice_SSM::Encounter:

Data Structures
struct	compare
	Compares encounters regarding to their start time. More...

struct	Trajectory
	A trajectory encloses a series of positions x and speeds v for one vehicle (the times are stored only once in the enclosing encounter) More...

Public Member Functions
void	add (double time, EncounterType type, Position egoX, Position egoV, Position foeX, Position foeV, Position conflictPoint, double egoDistToConflict, double foeDistToConflict, double ttc, double drac, std::pair< double, double > pet)
	add a new data point and update encounter type More...

void	countDownExtraTime (double amount)
	decreases myRemaingExtraTime by given amount in seconds More...

	Encounter (const MSVehicle _ego, const MSVehicle const _foe, double _begin, double extraTime)
	Constructor. More...

double	getRemainingExtraTime () const
	returns the remaining extra time More...

void	resetExtraTime (double value)
	resets remainingExtraTime to the given value More...

std::size_t	size () const
	Returns the number of trajectory points stored. More...

	~Encounter ()
	Destructor. More...

Data Fields
double	begin

bool	closingRequested
	this flag is set by updateEncounter() or directly in processEncounters(), where encounters are closed if it is true. More...

PositionVector	conflictPointSpan
	Predicted location of the conflict: In case of MERGING and CROSSING: entry point to conflict area for follower In case of FOLLOWING: position of leader's back. More...

EncounterType	currentType

std::vector< double >	DRACspan
	All values for DRAC. More...

const MSVehicle *	ego

double	egoConflictEntryTime
	Times when the ego vehicle entered/left the conflict area. Currently only applies for crossing situations. Used for PET calculation. (May be defined for merge conflicts in the future) More...

double	egoConflictExitTime

std::vector< double >	egoDistsToConflict
	Evolution of the ego vehicle's distance to the conflict point. More...

const std::string	egoID

std::vector< std::pair< std::pair< const MSLane *, double >, double > >	egoPETCrossSections
	Cross sections at which a PET shall be calculated for the corresponding vehicle. More...

Trajectory	egoTrajectory
	Trajectory of the ego vehicle. More...

double	end

const MSVehicle *	foe

double	foeConflictEntryTime
	Times when the foe vehicle entered/left the conflict area. Currently only applies for crossing situations. Used for PET calculation. (May be defined for merge conflicts in the future) More...

double	foeConflictExitTime

std::vector< double >	foeDistsToConflict
	Evolution of the foe vehicle's distance to the conflict point. More...

const std::string	foeID

std::vector< std::pair< std::pair< const MSLane *, double >, double > >	foePETCrossSections

Trajectory	foeTrajectory
	Trajectory of the foe vehicle. More...

double	remainingExtraTime
	Remaining extra time (decreases after an encounter ended) More...

std::vector< double >	timeSpan
	time points corresponding to the trajectories More...

std::vector< double >	TTCspan
	All values for TTC. More...

std::vector< int >	typeSpan
	Evolution of the encounter classification (. More...

Extremal values for the SSMs (as < <time,value>,Position>-pairs)
std::pair< std::pair< double, double >, Position >	minTTC

std::pair< std::pair< double, double >, Position >	maxDRAC

std::pair< std::pair< double, double >, Position >	PET

Private Member Functions
	Encounter (const Encounter &)
	Invalidated Constructor. More...

Encounter &	operator= (const Encounter &)
	Invalidated assignment operator. More...

Detailed Description

An encounter is an episode involving two vehicles, which are closer to each other than some specified distance.

Definition at line 129 of file MSDevice_SSM.h.

Constructor & Destructor Documentation

MSDevice_SSM::Encounter::Encounter	(	const MSVehicle *	_ego,
		const MSVehicle *const	_foe,
		double	_begin,
		double	extraTime
	)

Constructor.

Definition at line 242 of file MSDevice_SSM.cpp.

References ego, foe, MSBaseVehicle::getID(), and SIMTIME.

MSDevice_SSM::Encounter::~Encounter ( )

Destructor.

Definition at line 265 of file MSDevice_SSM.cpp.

References begin, egoID, foeID, and SIMTIME.

MSDevice_SSM::Encounter::Encounter ( const Encounter & )

private

Invalidated Constructor.

Member Function Documentation

void MSDevice_SSM::Encounter::add	(	double	time,
		EncounterType	type,
		Position	egoX,
		Position	egoV,
		Position	foeX,
		Position	foeV,
		Position	conflictPoint,
		double	egoDistToConflict,
		double	foeDistToConflict,
		double	ttc,
		double	drac,
		std::pair< double, double >	pet
	)

add a new data point and update encounter type

Definition at line 274 of file MSDevice_SSM.cpp.

References conflictPointSpan, currentType, DRACspan, egoDistsToConflict, egoID, egoTrajectory, foeDistsToConflict, foeID, foeTrajectory, INVALID, maxDRAC, minTTC, PET, timeSpan, toString(), TTCspan, typeSpan, MSDevice_SSM::Encounter::Trajectory::v, and MSDevice_SSM::Encounter::Trajectory::x.

Referenced by MSDevice_SSM::updateEncounter().

void MSDevice_SSM::Encounter::countDownExtraTime ( double amount )

decreases myRemaingExtraTime by given amount in seconds

Definition at line 320 of file MSDevice_SSM.cpp.

References remainingExtraTime.

Referenced by size(), and MSDevice_SSM::updatePassedEncounter().

double MSDevice_SSM::Encounter::getRemainingExtraTime ( ) const

returns the remaining extra time

Definition at line 326 of file MSDevice_SSM.cpp.

References remainingExtraTime.

Referenced by MSDevice_SSM::processEncounters(), size(), and MSDevice_SSM::updatePassedEncounter().

Encounter& MSDevice_SSM::Encounter::operator= ( const Encounter & )

private

Invalidated assignment operator.

void MSDevice_SSM::Encounter::resetExtraTime ( double value )

resets remainingExtraTime to the given value

Definition at line 314 of file MSDevice_SSM.cpp.

References remainingExtraTime.

Referenced by size(), MSDevice_SSM::updateEncounter(), and MSDevice_SSM::updatePassedEncounter().

std::size_t MSDevice_SSM::Encounter::size ( ) const

inline

Returns the number of trajectory points stored.

Definition at line 152 of file MSDevice_SSM.h.

References countDownExtraTime(), getRemainingExtraTime(), resetExtraTime(), and timeSpan.

Referenced by MSDevice_SSM::determinePET().

Field Documentation

double MSDevice_SSM::Encounter::begin

Definition at line 178 of file MSDevice_SSM.h.

Referenced by MSDevice_SSM::createEncounters(), MSDevice_SSM::Encounter::compare::operator()(), MSDevice_SSM::processEncounters(), MSDevice_SSM::writeOutConflict(), and ~Encounter().

bool MSDevice_SSM::Encounter::closingRequested

this flag is set by updateEncounter() or directly in processEncounters(), where encounters are closed if it is true.

Definition at line 224 of file MSDevice_SSM.h.

Referenced by MSDevice_SSM::processEncounters(), and MSDevice_SSM::updatePassedEncounter().

PositionVector MSDevice_SSM::Encounter::conflictPointSpan

Predicted location of the conflict: In case of MERGING and CROSSING: entry point to conflict area for follower In case of FOLLOWING: position of leader's back.

Definition at line 205 of file MSDevice_SSM.h.

Referenced by add(), MSDevice_SSM::determineConflictPoint(), and MSDevice_SSM::writeOutConflict().

EncounterType MSDevice_SSM::Encounter::currentType

Definition at line 179 of file MSDevice_SSM.h.

Referenced by add(), and MSDevice_SSM::checkConflictEntryAndExit().

std::vector<double> MSDevice_SSM::Encounter::DRACspan

All values for DRAC.

Definition at line 210 of file MSDevice_SSM.h.

Referenced by add(), and MSDevice_SSM::writeOutConflict().

const MSVehicle* MSDevice_SSM::Encounter::ego

Definition at line 174 of file MSDevice_SSM.h.

Referenced by MSDevice_SSM::checkConflictEntryAndExit(), MSDevice_SSM::classifyEncounter(), MSDevice_SSM::closeEncounter(), MSDevice_SSM::computeSSMs(), MSDevice_SSM::determineConflictPoint(), MSDevice_SSM::determineTTCandDRAC(), Encounter(), MSDevice_SSM::estimateConflictTimes(), MSDevice_SSM::updateEncounter(), and MSDevice_SSM::updatePassedEncounter().

double MSDevice_SSM::Encounter::egoConflictEntryTime

Times when the ego vehicle entered/left the conflict area. Currently only applies for crossing situations. Used for PET calculation. (May be defined for merge conflicts in the future)

Definition at line 185 of file MSDevice_SSM.h.

Referenced by MSDevice_SSM::checkConflictEntryAndExit(), and MSDevice_SSM::determinePET().

double MSDevice_SSM::Encounter::egoConflictExitTime

Definition at line 185 of file MSDevice_SSM.h.

Referenced by MSDevice_SSM::checkConflictEntryAndExit(), and MSDevice_SSM::determinePET().

std::vector<double> MSDevice_SSM::Encounter::egoDistsToConflict

Evolution of the ego vehicle's distance to the conflict point.

Definition at line 198 of file MSDevice_SSM.h.

Referenced by add(), MSDevice_SSM::determinePET(), and MSDevice_SSM::updatePassedEncounter().

const std::string MSDevice_SSM::Encounter::egoID

Definition at line 176 of file MSDevice_SSM.h.

Referenced by add(), MSDevice_SSM::checkConflictEntryAndExit(), MSDevice_SSM::closeEncounter(), MSDevice_SSM::computeSSMs(), MSDevice_SSM::determinePET(), MSDevice_SSM::determineTTCandDRAC(), MSDevice_SSM::estimateConflictTimes(), MSDevice_SSM::qualifiesAsConflict(), MSDevice_SSM::updateEncounter(), MSDevice_SSM::updatePassedEncounter(), MSDevice_SSM::writeOutConflict(), and ~Encounter().

std::vector<std::pair<std::pair<const MSLane*, double>, double> > MSDevice_SSM::Encounter::egoPETCrossSections

Cross sections at which a PET shall be calculated for the corresponding vehicle.

Definition at line 213 of file MSDevice_SSM.h.

Referenced by MSDevice_SSM::checkConflictEntryAndExit().

Trajectory MSDevice_SSM::Encounter::egoTrajectory

Trajectory of the ego vehicle.

Definition at line 194 of file MSDevice_SSM.h.

Referenced by add(), and MSDevice_SSM::writeOutConflict().

double MSDevice_SSM::Encounter::end

Definition at line 178 of file MSDevice_SSM.h.

Referenced by MSDevice_SSM::closeEncounter(), and MSDevice_SSM::writeOutConflict().

const MSVehicle* MSDevice_SSM::Encounter::foe

Definition at line 175 of file MSDevice_SSM.h.

Referenced by MSDevice_SSM::checkConflictEntryAndExit(), MSDevice_SSM::classifyEncounter(), MSDevice_SSM::closeEncounter(), MSDevice_SSM::computeSSMs(), MSDevice_SSM::determineConflictPoint(), MSDevice_SSM::determineTTCandDRAC(), MSDevice_SSM::deviceName(), Encounter(), MSDevice_SSM::estimateConflictTimes(), MSDevice_SSM::processEncounters(), MSDevice_SSM::updateEncounter(), and MSDevice_SSM::updatePassedEncounter().

double MSDevice_SSM::Encounter::foeConflictEntryTime

Times when the foe vehicle entered/left the conflict area. Currently only applies for crossing situations. Used for PET calculation. (May be defined for merge conflicts in the future)

Definition at line 187 of file MSDevice_SSM.h.

Referenced by MSDevice_SSM::checkConflictEntryAndExit(), and MSDevice_SSM::determinePET().

double MSDevice_SSM::Encounter::foeConflictExitTime

Definition at line 187 of file MSDevice_SSM.h.

Referenced by MSDevice_SSM::checkConflictEntryAndExit(), and MSDevice_SSM::determinePET().

std::vector<double> MSDevice_SSM::Encounter::foeDistsToConflict

Evolution of the foe vehicle's distance to the conflict point.

Definition at line 200 of file MSDevice_SSM.h.

Referenced by add(), MSDevice_SSM::determinePET(), and MSDevice_SSM::updatePassedEncounter().

const std::string MSDevice_SSM::Encounter::foeID

Definition at line 177 of file MSDevice_SSM.h.

Referenced by add(), MSDevice_SSM::checkConflictEntryAndExit(), MSDevice_SSM::closeEncounter(), MSDevice_SSM::computeSSMs(), MSDevice_SSM::determinePET(), MSDevice_SSM::determineTTCandDRAC(), MSDevice_SSM::estimateConflictTimes(), MSDevice_SSM::processEncounters(), MSDevice_SSM::qualifiesAsConflict(), MSDevice_SSM::updateEncounter(), MSDevice_SSM::updatePassedEncounter(), MSDevice_SSM::writeOutConflict(), and ~Encounter().