RandomMotionGenerator Class Reference

An class for generating random motion vectors. More...

#include <RandomMotionGenerator.h>

Collaboration diagram for RandomMotionGenerator:

[legend]List of all members.

Public Member Functions
	RandomMotionGenerator (double minValue, double maxValue, double valueDx, double directionDx, ChangeType changeType, unsigned long n)
	Constructor.
PfVec	getMotionVector ()
	Returns a random motion vector.
Private Member Functions
double	computeDirection (double previousDirection) const
	Returns a direction.
double	computeVecLength (double previousLength) const
	Returns a length.
double	getRandomNumberBetween (double min, double max) const
	Returns a random number between two numbers.
Private Attributes
double	minValue
	The minimum length of the random vector.
double	maxValue
	The maximum length of the random vector.
double	valueDx
	The maximum difference of the length of two successively generated vector.
double	directionDx
	The maximum difference of the direction of two successively generated vector.
ChangeType	changeType
	The unit of n.
unsigned long	n
	The number of steps to wait until a new vector is generated.
PfVec	lastVec
	The last generated vector.
double	lastDirection
	The last generated direction.
unsigned long	calls
	The number of calls since the last vector was generated.
unsigned long	pointOfGenerationTime
	The point of time the last vector was generated.

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Detailed Description

An class for generating random motion vectors.

Definition at line 22 of file RandomMotionGenerator.h.

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Constructor & Destructor Documentation

RandomMotionGenerator::RandomMotionGenerator (  double  minValue, double  maxValue, double  valueDx, double  directionDx, ChangeType  changeType, unsigned long  n )

Constructor. Parameters: minValue  See class members maxValue  See class members valueDx  See class members directionDx  See class members changeType  See class members n  See class members Definition at line 16 of file RandomMotionGenerator.cpp. References ChangeType, getSystemTime(), and pi.

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Member Function Documentation

PfVec RandomMotionGenerator::getMotionVector (   )

Returns a random motion vector. Returns: The vector Definition at line 36 of file RandomMotionGenerator.cpp. References CALLS, calls, computeDirection(), computeVecLength(), getSystemTime(), lastDirection, lastVec, PfVec::length(), MILLISECONDS, pointOfGenerationTime, and PfVec::rotate(). Referenced by Motionfield::getRandomVector().

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double RandomMotionGenerator::computeDirection (  double  previousDirection  )  const [inline, private]

Returns a direction. Parameters: previousDirection  The previous direction in radian Returns: A direction in radian Definition at line 61 of file RandomMotionGenerator.cpp. References getRandomNumberBetween(), pi, and pi2. Referenced by getMotionVector().

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double RandomMotionGenerator::computeVecLength (  double  previousLength  )  const [inline, private]

Returns a length. Parameters: previousLength  The previous length Returns: A length Definition at line 72 of file RandomMotionGenerator.cpp. References getRandomNumberBetween(). Referenced by getMotionVector().

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double RandomMotionGenerator::getRandomNumberBetween (  double  min, double  max )  const [inline, private]

Returns a random number between two numbers. Parameters: min  The minimum value max  The maximum value Returns: A random number between min and max Definition at line 89 of file RandomMotionGenerator.cpp. References max, and min. Referenced by computeDirection(), and computeVecLength().

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Member Data Documentation

double RandomMotionGenerator::minValue [private]

The minimum length of the random vector. Definition at line 43 of file RandomMotionGenerator.h.

double RandomMotionGenerator::maxValue [private]

The maximum length of the random vector. Definition at line 45 of file RandomMotionGenerator.h.

double RandomMotionGenerator::valueDx [private]

The maximum difference of the length of two successively generated vector. Definition at line 47 of file RandomMotionGenerator.h.

double RandomMotionGenerator::directionDx [private]

The maximum difference of the direction of two successively generated vector. Definition at line 49 of file RandomMotionGenerator.h.

ChangeType RandomMotionGenerator::changeType [private]

The unit of n. Definition at line 51 of file RandomMotionGenerator.h.

unsigned long RandomMotionGenerator::n [private]

The number of steps to wait until a new vector is generated. Definition at line 53 of file RandomMotionGenerator.h.

PfVec RandomMotionGenerator::lastVec [private]

The last generated vector. Definition at line 55 of file RandomMotionGenerator.h. Referenced by getMotionVector().

double RandomMotionGenerator::lastDirection [private]

The last generated direction. Definition at line 57 of file RandomMotionGenerator.h. Referenced by getMotionVector().

unsigned long RandomMotionGenerator::calls [private]

The number of calls since the last vector was generated. Definition at line 59 of file RandomMotionGenerator.h. Referenced by getMotionVector().

unsigned long RandomMotionGenerator::pointOfGenerationTime [private]

The point of time the last vector was generated. Definition at line 61 of file RandomMotionGenerator.h. Referenced by getMotionVector().

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

• Tools/PotentialFields/RandomMotionGenerator.h
• Tools/PotentialFields/RandomMotionGenerator.cpp

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