Dla Class Reference

A base diffusion limited aggregation class. More...

#include <dla.h>

Inheritance diagram for Dla:

Public Member Functions
	Dla (const double &)
	Initialize the DLA structure.
	Dla (const QVector< Vector > &, const double &)
	Initialize the structure with a given set of seeds.
	~Dla ()
	Empty.
void	Add (int=1)
	Add one particle to the cluster.
bool	Try ()
	Seed a random particle away from the cluster, randomly moves and checks collision with the cluster.
double	Radius () const
	Return the radius of the particles.
QVector< Vector >	GetCenters () const
	Return the centers of the spheres.
Public Member Functions inherited from ParticleSet
	ParticleSet ()
	Empty constructor.
	ParticleSet (const double &)
	Create an empty set of particles.
	ParticleSet (const Vector &, const double &)
	Create a set of particles.
	ParticleSet (const QVector< Vector > &, const double &)
	Create a set of particles.
int	Size () const
	Return the number of particles.
Sphere	At (int) const
	Get the k-th particle.
double	Radius () const
	Return the radius of the particles.
QVector< Vector >	GetCenters () const
	Return the centers of the particles.
Sphere	GetSphere () const
	Computes the bounding circle of the centers of the particles.
Box	GetBox () const
	Computes the bounding box of the centers of the particles.
void	Append (const Vector &)
	Add a new particle to the set.
bool	Intersect (const Sphere &) const
	Check the intersection between the cluster and a circle.
bool	Intersect (const Box &) const
	Check the intersection between the cluster and a box.

Public Attributes
int	nfar = 0
	Record of number of particles that moved too far away.
int	nhit = 0
	Collisions.
int	ntry = 0
	Number of growth tries.

Static Public Attributes
static Random	random
	Random number generator.

Protected Attributes
Box	box = Box::Null
	Bounding box of the particles.
QVector< int >	v
	Tree structure topology, i.e., index of the collided particle during cluster growth.
Protected Attributes inherited from ParticleSet
QVector< Vector >	points
	Set of particles.
double	r = 0.0
	Radius of particles.

Detailed Description

A base diffusion limited aggregation class.

Constructor & Destructor Documentation

Dla() [1/2]

Dla::Dla ( const double & r )

explicit

Initialize the DLA structure.

Parameters

r	Radius of particles.

Dla() [2/2]

Dla::Dla ( const QVector< Vector > & s, const double & r )

explicit

Initialize the structure with a given set of seeds.

Parameters

s	Set of seeds.
r	Radius of particles.

Member Function Documentation

Add()

void Dla::Add

(

int

n = 1

)

Add one particle to the cluster.

Repeatedly performs a random walk untill one particle collides with the cluster and aggregates.

Parameters

n	Number of particles.

See also

Dla::Try()