INTERP_KERNEL.DirectedBoundingBox Class Reference

Class representing the bounding box of a number of points with box axes parallel to principal axes of inertia of points. More...

#include <DirectedBoundingBox.hxx>

Public Member Functions
	DirectedBoundingBox ()
	Creates empty box intended to further initalization via setData()
	DirectedBoundingBox (const double *pts, const unsigned numPts, const unsigned dim)
	Creates bounding box of a mesh.
	DirectedBoundingBox (const double **pts, const unsigned numPts, const unsigned dim)
	Creates bounding box of an element.
void	enlarge (const double tol)
	Enlarge box size by given value.
bool	isDisjointWith (const DirectedBoundingBox &box) const
	Test if this box intersects with the other.
bool	isDisjointWith (const double *box) const
	Test if this box intersects with an non-directed box.
bool	isOut (const double *point) const
	Return true if given point is out of this box.
std::vector< double >	getData () const
	Return array of internal data.
void	setData (const double *data)
	Initializes self with data retrieved via getData()
Static Public Member Functions
static int	dataSize (int dim)
	Return size of internal data returned by getData() depending on space dim.
Private Member Functions
void	addPointToBox (const double *coord)
	Update box extremities.
void	toLocalCS (const double *p, double *pLoc) const
	Compute eigenvectors of inertia tensor.
void	fromLocalCS (const double *p, double *pGlob) const
	Convert point coordinates from local coordinate system of the box to global CS.
bool	isLocalOut (const double *pLoc) const
	Test point in local CS against box extremities.
void	getCorners (std::vector< double > &corners, const double *minmax) const
	Return coordinates of corners of bounding box.
Private Attributes
unsigned	_dim
std::vector< double >	_axes
	principal axes of inertia in full interlace
std::vector< double >	_minmax
	pairs of min an max coordinates along the axes

---

Detailed Description

Class representing the bounding box of a number of points with box axes parallel to principal axes of inertia of points.

---

Constructor & Destructor Documentation

INTERP_KERNEL.DirectedBoundingBox::DirectedBoundingBox

(

)

Creates empty box intended to further initalization via setData()

INTERP_KERNEL.DirectedBoundingBox::DirectedBoundingBox	(	const double *	pts,
		const unsigned	numPts,
		const unsigned	dim
	)

Creates bounding box of a mesh.

Parameters:

pts	- coordinates of points in full interlace
numPts	- number of points in the mesh
dim	- space dimension

References __DMP, __MYID, INTERP_KERNEL.DirectedBoundingBox._axes, INTERP_KERNEL.DirectedBoundingBox._dim, INTERP_KERNEL.DirectedBoundingBox._minmax, and INTERP_KERNEL.DirectedBoundingBox.addPointToBox().

INTERP_KERNEL.DirectedBoundingBox::DirectedBoundingBox	(	const double **	pts,
		const unsigned	numPts,
		const unsigned	dim
	)

Creates bounding box of an element.

Parameters:

pts	- coordinates of points of element
numPts	- number of points in the element
dim	- space dimension

References __DMP, __MYID, INTERP_KERNEL.DirectedBoundingBox._axes, INTERP_KERNEL.DirectedBoundingBox._dim, INTERP_KERNEL.DirectedBoundingBox._minmax, and INTERP_KERNEL.DirectedBoundingBox.addPointToBox().

---

Member Function Documentation

void INTERP_KERNEL.DirectedBoundingBox::enlarge

(

const double

tol

)

Enlarge box size by given value.

References __MAX, __MIN, and INTERP_KERNEL.DirectedBoundingBox._dim.

bool INTERP_KERNEL.DirectedBoundingBox::isDisjointWith

(

const DirectedBoundingBox &

box

)

const

Test if this box intersects with the other.

Return values:

bool	- true if there is no intersection

< empty box with CS == axisBox->_axes

References INTERP_KERNEL.DirectedBoundingBox._axes, INTERP_KERNEL.DirectedBoundingBox._dim, INTERP_KERNEL.DirectedBoundingBox._minmax, INTERP_KERNEL.DirectedBoundingBox.addPointToBox(), INTERP_KERNEL.DirectedBoundingBox.fromLocalCS(), and INTERP_KERNEL.DirectedBoundingBox.getCorners().

bool INTERP_KERNEL.DirectedBoundingBox::isDisjointWith

(

const double *

box

)

const

Test if this box intersects with an non-directed box.

Return values:

bool	- true if there is no intersection

< empty box with CS == this->_axes

< initailized _minmax

References INTERP_KERNEL.DirectedBoundingBox._axes, INTERP_KERNEL.DirectedBoundingBox._dim, INTERP_KERNEL.DirectedBoundingBox._minmax, INTERP_KERNEL.DirectedBoundingBox.addPointToBox(), INTERP_KERNEL.DirectedBoundingBox.fromLocalCS(), and INTERP_KERNEL.DirectedBoundingBox.getCorners().

bool INTERP_KERNEL.DirectedBoundingBox::isOut

(

const double *

point

)

const

Return true if given point is out of this box.

References __DMP, __MYID, INTERP_KERNEL.DirectedBoundingBox._dim, INTERP_KERNEL.DirectedBoundingBox.isLocalOut(), and INTERP_KERNEL.DirectedBoundingBox.toLocalCS().

vector< double > INTERP_KERNEL.DirectedBoundingBox::getData

(

)

const

Return array of internal data.

References INTERP_KERNEL.DirectedBoundingBox._axes, INTERP_KERNEL.DirectedBoundingBox._dim, INTERP_KERNEL.DirectedBoundingBox._minmax, and INTERP_KERNEL.DirectedBoundingBox.dataSize().

void INTERP_KERNEL.DirectedBoundingBox::setData

(

const double *

data

)

Initializes self with data retrieved via getData()

References INTERP_KERNEL.DirectedBoundingBox._axes, INTERP_KERNEL.DirectedBoundingBox._dim, and INTERP_KERNEL.DirectedBoundingBox._minmax.

int INTERP_KERNEL.DirectedBoundingBox::dataSize

(

int

dim

)

[static]

Return size of internal data returned by getData() depending on space dim.

void INTERP_KERNEL.DirectedBoundingBox::addPointToBox

(

const double *

coord

)

[private]

Update box extremities.

References INTERP_KERNEL.DirectedBoundingBox._axes, INTERP_KERNEL.DirectedBoundingBox._dim, and INTERP_KERNEL.DirectedBoundingBox._minmax.

void INTERP_KERNEL.DirectedBoundingBox::toLocalCS	(	const double *	p,
		double *	pLoc
	)		const [private]

Compute eigenvectors of inertia tensor.

Compute eigenvectors of inertia tensor

Convert point coordinates into local coordinate system of the box

References __AXIS, and INTERP_KERNEL.DirectedBoundingBox._dim.

void INTERP_KERNEL.DirectedBoundingBox::fromLocalCS	(	const double *	p,
		double *	pGlob
	)		const [private]

Convert point coordinates from local coordinate system of the box to global CS.

References __AXIS, and INTERP_KERNEL.DirectedBoundingBox._dim.

bool INTERP_KERNEL.DirectedBoundingBox::isLocalOut

(

const double *

pLoc

)

const [private]

Test point in local CS against box extremities.

References INTERP_KERNEL.DirectedBoundingBox._dim, and INTERP_KERNEL.DirectedBoundingBox._minmax.

void INTERP_KERNEL.DirectedBoundingBox::getCorners	(	std::vector< double > &	corners,
		const double *	minmax
	)		const [private]

Return coordinates of corners of bounding box.

References INTERP_KERNEL.DirectedBoundingBox._dim.

---

Field Documentation

unsigned INTERP_KERNEL.DirectedBoundingBox._dim [private]

std::vector<double> INTERP_KERNEL.DirectedBoundingBox._axes [private]

principal axes of inertia in full interlace

std::vector<double> INTERP_KERNEL.DirectedBoundingBox._minmax [private]

pairs of min an max coordinates along the axes