Interface to Qhull from C++. More...

#include <Qhull.h>

Public Member Functions
GetSet
void	checkIfQhullInitialized ()

int	dimension () const
	Dimension of input and result. More...

void	disableOutputStream ()

void	enableOutputStream ()

countT	facetCount () const

Coordinates	feasiblePoint () const

int	hullDimension () const
	Dimension of the computed hull. More...

bool	hasOutputStream () const

bool	initialized () const

const char *	inputComment () const

QhullPoint	inputOrigin ()
	Return origin point for qh.input_dim. More...

QhullPoint	origin ()
	non-const due to QhullPoint More...

QhullQh *	qh () const

const char *	qhullCommand () const

const char *	rboxCommand () const

int	rotateRandom () const
	Return QRn for repeating QR0 runs. More...

void	setFeasiblePoint (const Coordinates &c)
	Sets qh.feasible_point via initializeFeasiblePoint. More...

countT	vertexCount () const

Delegated to QhullQh
double	angleEpsilon () const
	Epsilon for hyperplane angle equality. More...

void	appendQhullMessage (const std::string &s)

void	clearQhullMessage ()

double	distanceEpsilon () const
	Epsilon for distance to hyperplane. More...

double	factorEpsilon () const
	Factor for angleEpsilon and distanceEpsilon. More...

std::string	qhullMessage () const

bool	hasQhullMessage () const

int	qhullStatus () const

void	setErrorStream (std::ostream *os)

void	setFactorEpsilon (double a)

void	setOutputStream (std::ostream *os)

ForEach
QhullFacet	beginFacet () const

QhullVertex	beginVertex () const

void	defineVertexNeighborFacets ()
	Automatically called if merging facets or Voronoi diagram. More...

QhullFacet	endFacet () const

QhullVertex	endVertex () const

QhullFacetList	facetList () const

QhullFacet	firstFacet () const

QhullVertex	firstVertex () const

QhullPoints	points () const

QhullPointSet	otherPoints () const

coordT *	pointCoordinateBegin () const
	Same as points().coordinates() More...

coordT *	pointCoordinateEnd () const

QhullVertexList	vertexList () const
	Return vertices of the convex hull. More...

Methods
double	area ()

void	outputQhull ()

void	outputQhull (const char *outputflags)

void	runQhull (const RboxPoints &rboxPoints, const char *qhullCommand2)
	For qhull commands, see http://www.qhull.org/html/qhull.htm or html/qhull.htm. More...

void	runQhull (const char inputComment2, int pointDimension, int pointCount, const realT pointCoordinates, const char *qhullCommand2)

double	volume ()

Private Member Functions
Helpers
void	initializeFeasiblePoint (int hulldim)

Private Attributes
Members and friends
QhullQh *	qh_qh

Coordinates	origin_point
	qhT for this instance More...

bool	run_called
	origin for qh_qh->hull_dim. Set by runQhull() More...

Coordinates	feasible_point
	True at start of runQhull. Errors if call again. More...

Constructors
feasible point for half-space intersection (alternative to qh.feasible_string for qh.feasible_point)
	Qhull ()
	call runQhull() next More...

	Qhull (const RboxPoints &rboxPoints, const char *qhullCommand2)

	Qhull (const char inputComment2, int pointDimension, int pointCount, const realT pointCoordinates, const char *qhullCommand2)

	~Qhull () throw ()

	Qhull (const Qhull &)
	Disable copy constructor and assignment. Qhull owns QhullQh. More...

Qhull &	operator= (const Qhull &)

void	allocateQhullQh ()

Detailed Description

Interface to Qhull from C++.

Definition at line 43 of file Qhull.h.

Constructor & Destructor Documentation

◆ Qhull() [1/4]

orgQhull::Qhull::Qhull ( )

call runQhull() next

Definition at line 41 of file Qhull.cpp.

◆ Qhull() [2/4]

orgQhull::Qhull::Qhull	(	const RboxPoints &	rboxPoints,
		const char *	qhullCommand2
	)

Invokes Qhull on rboxPoints Same as runQhull() For rbox commands, see http://www.qhull.org/html/rbox.htm or html/rbox.htm For qhull commands, see http://www.qhull.org/html/qhull.htm or html/qhull.htm

Definition at line 55 of file Qhull.cpp.

◆ Qhull() [3/4]

orgQhull::Qhull::Qhull	(	const char *	inputComment2,
		int	pointDimension,
		int	pointCount,
		const realT *	pointCoordinates,
		const char *	qhullCommand2
	)

Invokes Qhull on a set of input points Same as runQhull() For qhull commands, see http://www.qhull.org/html/qhull.htm or html/qhull.htm

Definition at line 69 of file Qhull.cpp.

◆ ~Qhull()

orgQhull::Qhull::~Qhull	(	)
throw	(
	)

Definition at line 95 of file Qhull.cpp.

◆ Qhull() [4/4]

orgQhull::Qhull::Qhull ( const Qhull & )

private

Disable copy constructor and assignment. Qhull owns QhullQh.

Member Function Documentation

◆ allocateQhullQh()

void orgQhull::Qhull::allocateQhullQh ( )

private

Definition at line 80 of file Qhull.cpp.

◆ angleEpsilon()

double orgQhull::Qhull::angleEpsilon ( ) const

inline

Epsilon for hyperplane angle equality.

Definition at line 89 of file Qhull.h.

◆ appendQhullMessage()

void orgQhull::Qhull::appendQhullMessage ( const std::string & s )

inline

Definition at line 90 of file Qhull.h.

◆ area()

double orgQhull::Qhull::area ( )

Definition at line 143 of file Qhull.cpp.

◆ beginFacet()

QhullFacet orgQhull::Qhull::beginFacet ( ) const

inline

Definition at line 102 of file Qhull.h.

◆ beginVertex()

QhullVertex orgQhull::Qhull::beginVertex ( ) const

inline

Definition at line 103 of file Qhull.h.

◆ checkIfQhullInitialized()

void orgQhull::Qhull::checkIfQhullInitialized ( )

Definition at line 110 of file Qhull.cpp.

◆ clearQhullMessage()

void orgQhull::Qhull::clearQhullMessage ( )

inline

Definition at line 91 of file Qhull.h.

◆ defineVertexNeighborFacets()

void orgQhull::Qhull::defineVertexNeighborFacets ( )

Automatically called if merging facets or Voronoi diagram.

Define QhullVertex::neighborFacets(). Automatically called if merging facets or computing the Voronoi diagram. Noop if called multiple times.

Definition at line 174 of file Qhull.cpp.

◆ dimension()

int orgQhull::Qhull::dimension ( ) const

inline

Dimension of input and result.

Definition at line 69 of file Qhull.h.

◆ disableOutputStream()

void orgQhull::Qhull::disableOutputStream ( )

inline

Definition at line 70 of file Qhull.h.

◆ distanceEpsilon()

double orgQhull::Qhull::distanceEpsilon ( ) const

inline

Epsilon for distance to hyperplane.

Definition at line 92 of file Qhull.h.

◆ enableOutputStream()

void orgQhull::Qhull::enableOutputStream ( )

inline

Definition at line 71 of file Qhull.h.

◆ endFacet()

QhullFacet orgQhull::Qhull::endFacet ( ) const

inline

Definition at line 105 of file Qhull.h.

◆ endVertex()

QhullVertex orgQhull::Qhull::endVertex ( ) const

inline

Definition at line 106 of file Qhull.h.

◆ facetCount()

countT orgQhull::Qhull::facetCount ( ) const

inline

Definition at line 72 of file Qhull.h.

◆ facetList()

QhullFacetList orgQhull::Qhull::facetList ( ) const

Definition at line 186 of file Qhull.cpp.

◆ factorEpsilon()

double orgQhull::Qhull::factorEpsilon ( ) const

inline

Factor for angleEpsilon and distanceEpsilon.

Definition at line 93 of file Qhull.h.

◆ feasiblePoint()

Coordinates orgQhull::Qhull::feasiblePoint ( ) const

Return feasiblePoint for halfspace intersection If called before runQhull(), then it returns the value from setFeasiblePoint. qh.feasible_string overrides this value if it is defined.

Definition at line 120 of file Qhull.cpp.

◆ firstFacet()

QhullFacet orgQhull::Qhull::firstFacet ( ) const

inline

Definition at line 108 of file Qhull.h.

◆ firstVertex()

QhullVertex orgQhull::Qhull::firstVertex ( ) const

inline

Definition at line 109 of file Qhull.h.

◆ hasOutputStream()

bool orgQhull::Qhull::hasOutputStream ( ) const

inline

Definition at line 75 of file Qhull.h.

◆ hasQhullMessage()

bool orgQhull::Qhull::hasQhullMessage ( ) const

inline

Definition at line 95 of file Qhull.h.

◆ hullDimension()

int orgQhull::Qhull::hullDimension ( ) const

inline

Dimension of the computed hull.

Definition at line 74 of file Qhull.h.

◆ initialized()

bool orgQhull::Qhull::initialized ( ) const

inline

Definition at line 76 of file Qhull.h.

◆ initializeFeasiblePoint()

void orgQhull::Qhull::initializeFeasiblePoint ( int hulldim )

private

initialize qh.feasible_point for half-space intersection Sets from qh.feasible_string if available, otherwise from Qhull::feasible_point called only once from runQhull(), otherwise it leaks memory (the same as qh_setFeasible)

Definition at line 323 of file Qhull.cpp.

◆ inputComment()

const char* orgQhull::Qhull::inputComment ( ) const

inline

Definition at line 77 of file Qhull.h.

◆ inputOrigin()

QhullPoint orgQhull::Qhull::inputOrigin ( )

Return origin point for qh.input_dim.

Definition at line 133 of file Qhull.cpp.

◆ operator=()

Qhull& orgQhull::Qhull::operator= ( const Qhull & )

private

◆ origin()

QhullPoint orgQhull::Qhull::origin ( )

inline

non-const due to QhullPoint

Definition at line 80 of file Qhull.h.

◆ otherPoints()

QhullPointSet orgQhull::Qhull::otherPoints ( ) const

Definition at line 197 of file Qhull.cpp.

◆ outputQhull() [1/2]

void orgQhull::Qhull::outputQhull ( )

Definition at line 211 of file Qhull.cpp.

◆ outputQhull() [2/2]

void orgQhull::Qhull::outputQhull ( const char * outputflags )

Definition at line 222 of file Qhull.cpp.

◆ pointCoordinateBegin()

coordT* orgQhull::Qhull::pointCoordinateBegin ( ) const

inline

Same as points().coordinates()

Definition at line 113 of file Qhull.h.

◆ pointCoordinateEnd()

coordT* orgQhull::Qhull::pointCoordinateEnd ( ) const

inline

Definition at line 114 of file Qhull.h.

◆ points()

QhullPoints orgQhull::Qhull::points ( ) const

Definition at line 191 of file Qhull.cpp.

◆ qh()

QhullQh* orgQhull::Qhull::qh ( ) const

inline

Definition at line 81 of file Qhull.h.

◆ qhullCommand()

const char* orgQhull::Qhull::qhullCommand ( ) const

inline

Definition at line 82 of file Qhull.h.

◆ qhullMessage()

std::string orgQhull::Qhull::qhullMessage ( ) const

inline

Definition at line 94 of file Qhull.h.

◆ qhullStatus()

int orgQhull::Qhull::qhullStatus ( ) const

inline

Definition at line 96 of file Qhull.h.

◆ rboxCommand()

const char* orgQhull::Qhull::rboxCommand ( ) const

inline

Definition at line 83 of file Qhull.h.

◆ rotateRandom()

int orgQhull::Qhull::rotateRandom ( ) const

inline

Return QRn for repeating QR0 runs.

Definition at line 84 of file Qhull.h.

◆ runQhull() [1/2]

void orgQhull::Qhull::runQhull	(	const RboxPoints &	rboxPoints,
		const char *	qhullCommand2
	)

For qhull commands, see http://www.qhull.org/html/qhull.htm or html/qhull.htm.

Definition at line 256 of file Qhull.cpp.

◆ runQhull() [2/2]

void orgQhull::Qhull::runQhull	(	const char *	inputComment2,
		int	pointDimension,
		int	pointCount,
		const realT *	pointCoordinates,
		const char *	qhullCommand2
	)

pointCoordinates is a array of points, input sites ('d' or 'v'), or halfspaces with offset last ('H') Derived from qh_new_qhull [user.c] For rbox commands, see http://www.qhull.org/html/rbox.htm or html/rbox.htm For qhull commands, see http://www.qhull.org/html/qhull.htm or html/qhull.htm

Definition at line 266 of file Qhull.cpp.

◆ setErrorStream()

void orgQhull::Qhull::setErrorStream ( std::ostream * os )

inline

Definition at line 97 of file Qhull.h.

◆ setFactorEpsilon()

void orgQhull::Qhull::setFactorEpsilon ( double a )

inline

Definition at line 98 of file Qhull.h.

◆ setFeasiblePoint()

void orgQhull::Qhull::setFeasiblePoint ( const Coordinates & c )

inline

Sets qh.feasible_point via initializeFeasiblePoint.

Definition at line 85 of file Qhull.h.

◆ setOutputStream()

void orgQhull::Qhull::setOutputStream ( std::ostream * os )

inline

Definition at line 99 of file Qhull.h.

◆ vertexCount()

countT orgQhull::Qhull::vertexCount ( ) const

inline

Definition at line 86 of file Qhull.h.

◆ vertexList()

QhullVertexList orgQhull::Qhull::vertexList ( ) const

Return vertices of the convex hull.

Definition at line 204 of file Qhull.cpp.

◆ volume()

double orgQhull::Qhull::volume ( )

Definition at line 156 of file Qhull.cpp.

Member Data Documentation

◆ feasible_point

Coordinates orgQhull::Qhull::feasible_point

private

True at start of runQhull. Errors if call again.

Definition at line 50 of file Qhull.h.

◆ origin_point

Coordinates orgQhull::Qhull::origin_point

private

qhT for this instance

Definition at line 48 of file Qhull.h.

◆ qh_qh

QhullQh* orgQhull::Qhull::qh_qh

private

Definition at line 47 of file Qhull.h.

◆ run_called

bool orgQhull::Qhull::run_called

private

origin for qh_qh->hull_dim. Set by runQhull()

Definition at line 49 of file Qhull.h.

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

Public Member Functions

Private Member Functions

Private Attributes

Constructors

Detailed Description

Constructor & Destructor Documentation

◆ Qhull() [1/4]

◆ Qhull() [2/4]

◆ Qhull() [3/4]

◆ ~Qhull()

◆ Qhull() [4/4]

Member Function Documentation

◆ allocateQhullQh()

◆ angleEpsilon()

◆ appendQhullMessage()

◆ area()

◆ beginFacet()

◆ beginVertex()

◆ checkIfQhullInitialized()

◆ clearQhullMessage()

◆ defineVertexNeighborFacets()

◆ dimension()

◆ disableOutputStream()

◆ distanceEpsilon()

◆ enableOutputStream()

◆ endFacet()

◆ endVertex()

◆ facetCount()

◆ facetList()

◆ factorEpsilon()

◆ feasiblePoint()

◆ firstFacet()

◆ firstVertex()

◆ hasOutputStream()

◆ hasQhullMessage()

◆ hullDimension()

◆ initialized()

◆ initializeFeasiblePoint()

◆ inputComment()

◆ inputOrigin()

◆ operator=()

◆ origin()

◆ otherPoints()

◆ outputQhull() [1/2]

◆ outputQhull() [2/2]

◆ pointCoordinateBegin()

◆ pointCoordinateEnd()

◆ points()

◆ qh()

◆ qhullCommand()

◆ qhullMessage()

◆ qhullStatus()

◆ rboxCommand()

◆ rotateRandom()

◆ runQhull() [1/2]

◆ runQhull() [2/2]

◆ setErrorStream()

◆ setFactorEpsilon()

◆ setFeasiblePoint()

◆ setOutputStream()

◆ vertexCount()

◆ vertexList()

◆ volume()

Member Data Documentation

◆ feasible_point

◆ origin_point

◆ qh_qh

◆ run_called