VectorSet Class Reference

A simple set of vectors. More...

#include <vectorset.h>

Inheritance diagram for VectorSet:

Public Member Functions
	VectorSet ()
	Empty.
	VectorSet (const VectorSet2 &)
	Create a set of vectors.
	VectorSet (const QVector< Vector > &)
	Create a set of vectors.
	VectorSet (Vector *, unsigned int)
	Create a set of vectors.
VectorSet	VectorToPoint () const
	Convert a series of displacements into positions.
void	Reverse ()
	Reverse the order of the elements.
	~VectorSet ()
	Empty.
Vector	At (int) const
	Access to element.
Vector	Vertex (int) const
	Access to element.
Vector &	operator[] (int)
	Access to element.
int	Size () const
	Return the size of the set.
Vector	Barycenter () const
	Compute the barycenter.
void	Append (const Vector &)
	Add a point to the set.
Box	GetBox () const
	Compute the bounding box.
void	Rotate (const Matrix &)
	Rotate all the points.
void	Translate (const Vector &)
	Translate all the points.
void	Scale (const double &)
	Scale all the points.
void	Scale (const Vector &)
	Scale all the points.
void	Transform (const Frame &)
	Transform all the points.
void	Transform (const FrameScaled &)
	Transform all the points.
QVector< Vector > &	Get ()
	Access to the internal structure.
const QVector< Vector > &	Get () const
	Access to the internal structure.
void	Clean (const double &)
	Remove redundant points that are within epsilon distance.
void	Load (const QString &)
	Extract vertexes from an .obj file.
int	Nearest (const Vector &) const
	Compute the index of the nearest point to the argument point.
QVector< Vector >	Nearest (const Vector &, int) const
	Compute the k-nearest points to the argument point.
QVector< int >	NearestIndexes (const Vector &, int) const
	Compute the set of indexes of the k-nearest points to the argument point.
QVector< int >	NearestIndexes (int, int, const double &=Math::Infinity) const
	Compute the set of indexes of the k-nearest points to the argument point in the set.

Protected Attributes
QVector< Vector >	v
	Set of vectors.

Friends
std::ostream &	operator<< (std::ostream &s, const VectorSet &set)
	Overloaded output-stream operator.

Detailed Description

A simple set of vectors.

This class implements several simple functions to handle point sets: affine transforms, bounding box computation.

The class provides range-based for loops:

VectorSet v; // Set of vectors
 
for (Vector& e : v) // For all elements
{
  e *= 2.0 * e + Vector(3.0, 2.0, -1);
}

Constructor & Destructor Documentation

VectorSet() [1/3]

VectorSet::VectorSet ( const VectorSet2 & s )

explicit

Create a set of vectors.

Parameters

s

The set.

VectorSet() [2/3]

VectorSet::VectorSet ( const QVector< Vector > & s )

explicit

Create a set of vectors.

Parameters

s

The set.

VectorSet() [3/3]

VectorSet::VectorSet ( Vector * s, unsigned int n )

explicit

Create a set of vectors.

Parameters

s	The set.
n	Size.

Member Function Documentation

Append()

void VectorSet::Append

(

const Vector &

p

)

Add a point to the set.

Parameters

p

Point.

Clean()

void VectorSet::Clean

(

const double &

e

)

Remove redundant points that are within epsilon distance.

Parameters

e

Epsilon.

GetBox()

Box VectorSet::GetBox

(

)

const

Compute the bounding box.

Simply calls Box::Box(const QVector&).

Load()

void VectorSet::Load

(

const QString &

name

)

Extract vertexes from an .obj file.

Parameters

name	File name.

Nearest() [1/2]

int VectorSet::Nearest

(

const Vector &

p

)

const

Compute the index of the nearest point to the argument point.

Parameters

p

Point.

Nearest() [2/2]

QVector< Vector > VectorSet::Nearest	(	const Vector &	p,
		int	n ) const

Compute the k-nearest points to the argument point.

Parameters

p	Point.
n	Number of points.

NearestIndexes() [1/2]

QVector< int > VectorSet::NearestIndexes	(	const Vector &	p,
		int	n ) const

Compute the set of indexes of the k-nearest points to the argument point.

Parameters

p	Point.
n	Number of points.

NearestIndexes() [2/2]

QVector< int > VectorSet::NearestIndexes	(	int	ip,
		int	n,
		const double &	d = Math::Infinity ) const

Compute the set of indexes of the k-nearest points to the argument point in the set.

Parameters

ip	Index of the point.
n	Number of points.
d	Maximum distance threshold.

Rotate()

void VectorSet::Rotate

(

const Matrix &

r

)

Rotate all the points.

Parameters

r	Rotation matrix.

Scale() [1/2]

void VectorSet::Scale

(

const double &

s

)

Scale all the points.

Parameters

s	Scaling factor.

Scale() [2/2]

void VectorSet::Scale

(

const Vector &

s

)

Scale all the points.

Parameters

s	Scaling vector.

Transform() [1/2]

void VectorSet::Transform

(

const Frame &

f

)

Transform all the points.

Parameters

f

Frame.

Transform() [2/2]

void VectorSet::Transform

(

const FrameScaled &

f

)

Transform all the points.

Parameters

f

Frame.

Translate()

void VectorSet::Translate

(

const Vector &

t

)

Translate all the points.

Parameters

t	Translation vector.

VectorToPoint()

VectorSet VectorSet::VectorToPoint

(

)

const

Convert a series of displacements into positions.

Only the first vector will be kept as origin.

Friends And Related Symbol Documentation

operator<<

std::ostream & operator<< ( std::ostream & s, const VectorSet & set )

friend

Overloaded output-stream operator.

Parameters

set	Set.
s	Stream.