File motion_walker.hpp

This file contains a set of artifical motion generators. They are used to superimpose artifical with the specific dynamics provided by the trajectory files.

Author

Benjamin Lindner ben@benlabs.net

Version

See VERSION in CMakeLists.txt

Copyright

GNU General Public License

class MotionWalker

#include <motion_walker.hpp>

Interface for an artficial motion generator.

Subclassed by BrownianMotionWalker, FixedMotionWalker, LinearMotionWalker, LocalBrownianMotionWalker, OscillationMotionWalker, RandomMotionWalker, RotationalBrownianMotionWalker

Public Functions

virtual boost::numeric::ublas::matrix<double> transform(size_t timepos) = 0

Protected Functions

template<class Archive>
inline void serialize(Archive &ar, const unsigned int version)

Friends

friend class boost::serialization::access

class LinearMotionWalker : public MotionWalker

#include <motion_walker.hpp>

Generates a linear motion.

Public Functions

LinearMotionWalker(double displace, long sampling, CartesianCoor3D direction)

virtual boost::numeric::ublas::matrix<double> transform(size_t timepos)

Protected Functions

template<class Archive>
inline void serialize(Archive &ar, const unsigned int version)

void generate(size_t timepos)

inline LinearMotionWalker()

CartesianCoor3D translation(size_t timepos)

Protected Attributes

CartesianCoor3D m_translate

Friends

friend class boost::serialization::access

class FixedMotionWalker : public MotionWalker

#include <motion_walker.hpp>

No motion. Fixed offset.

Public Functions

FixedMotionWalker(double displace, CartesianCoor3D direction)

virtual boost::numeric::ublas::matrix<double> transform(size_t timepos)

Protected Functions

template<class Archive>
inline void serialize(Archive &ar, const unsigned int version)

inline FixedMotionWalker()

CartesianCoor3D translation(size_t timepos)

Protected Attributes

CartesianCoor3D m_translate

Friends

friend class boost::serialization::access

class OscillationMotionWalker : public MotionWalker

#include <motion_walker.hpp>

Sinusoidal Oscillation with amplitude and frequency.

Public Functions

OscillationMotionWalker(double displace, double frequency, long sampling, CartesianCoor3D direction)

virtual boost::numeric::ublas::matrix<double> transform(size_t timepos)

Protected Functions

template<class Archive>
inline void serialize(Archive &ar, const unsigned int version)

inline OscillationMotionWalker()

CartesianCoor3D translation(size_t timepos)

Protected Attributes

CartesianCoor3D m_translate

double m_frequency

size_t m_sampling

Friends

friend class boost::serialization::access

class RandomMotionWalker : public MotionWalker

#include <motion_walker.hpp>

Simple random motion in 3D with a constant step size.

Public Functions

RandomMotionWalker(double displace, unsigned long seed, long sampling, CartesianCoor3D direction)

~RandomMotionWalker()

virtual boost::numeric::ublas::matrix<double> transform(size_t timepos)

Protected Functions

template<class Archive>
inline void serialize(Archive &ar, const unsigned int version)

void init()

void generate(size_t timepos)

inline RandomMotionWalker()

CartesianCoor3D translation(size_t timepos)

Protected Attributes

std::map<size_t, CartesianCoor3D> translations

bool m_init

double m_displace

unsigned long m_seed

size_t m_sampling

CartesianCoor3D m_direction

boost::variate_generator<boost::mt19937, boost::uniform_on_sphere<double>> *p_myspheredistribution

Friends

friend class boost::serialization::access

class BrownianMotionWalker : public MotionWalker

#include <motion_walker.hpp>

Brownian motion in 3D which draws the step size from a gaussian distribution for the given mean (displace)

Public Functions

BrownianMotionWalker(double displace, unsigned long seed, long sampling, CartesianCoor3D direction)

~BrownianMotionWalker()

virtual boost::numeric::ublas::matrix<double> transform(size_t timepos)

Protected Functions

template<class Archive>
inline void serialize(Archive &ar, const unsigned int version)

void init()

void generate(size_t timepos)

inline BrownianMotionWalker()

CartesianCoor3D translation(size_t timepos)

Protected Attributes

std::map<size_t, CartesianCoor3D> translations

bool m_init

double m_displace

unsigned long m_seed

size_t m_sampling

CartesianCoor3D m_direction

boost::variate_generator<boost::mt19937, boost::normal_distribution<double>> *p_mynormaldistribution

boost::variate_generator<boost::mt19937, boost::uniform_on_sphere<double>> *p_myspheredistribution

Friends

friend class boost::serialization::access

class LocalBrownianMotionWalker : public MotionWalker

#include <motion_walker.hpp>

Brownian motion in 3D which draws the step size from a gaussian distribution for the given mean (displace) and constrains the motion to the maximum radius.

Public Functions

LocalBrownianMotionWalker(double radius, double displace, unsigned long seed, long sampling, CartesianCoor3D direction)

~LocalBrownianMotionWalker()

virtual boost::numeric::ublas::matrix<double> transform(size_t timepos)

Protected Functions

template<class Archive>
inline void serialize(Archive &ar, const unsigned int version)

void init()

void generate(size_t timepos)

inline LocalBrownianMotionWalker()

CartesianCoor3D translation(size_t timepos)

Protected Attributes

std::map<size_t, CartesianCoor3D> translations

bool m_init

double m_radius

double m_displace

unsigned long m_seed

size_t m_sampling

CartesianCoor3D m_direction

boost::variate_generator<boost::mt19937, boost::normal_distribution<double>> *p_mynormaldistribution

boost::variate_generator<boost::mt19937, boost::uniform_on_sphere<double>> *p_myspheredistribution

Friends

friend class boost::serialization::access

class RotationalBrownianMotionWalker : public MotionWalker

#include <motion_walker.hpp>

Rotational Brownian motion in 3D which draws the angular step size from a gaussian distribution for the given mean (displace)

Public Functions

RotationalBrownianMotionWalker(double displace, unsigned long seed, long sampling)

~RotationalBrownianMotionWalker()

virtual boost::numeric::ublas::matrix<double> transform(size_t timepos)

Protected Functions

template<class Archive>
inline void serialize(Archive &ar, const unsigned int version)

void init()

void generate(size_t timepos)

inline RotationalBrownianMotionWalker()

Protected Attributes

std::map<size_t, boost::numeric::ublas::matrix<double>> transformations

bool m_init

double m_displace

unsigned long m_seed

size_t m_sampling

boost::variate_generator<boost::mt19937, boost::normal_distribution<double>> *p_mynormaldistribution

boost::variate_generator<boost::mt19937, boost::uniform_on_sphere<double>> *p_myspheredistribution

Friends

friend class boost::serialization::access