TTK discreteGradient processing package. More...

#include <DiscreteGradient.h>

Inheritance diagram for ttk::dcg::DiscreteGradient:

Public Member Functions
	DiscreteGradient ()

template<typename triangulationType >
int	buildGradient (const triangulationType &triangulation, bool bypassCache=false)

void	setInputScalarField (const void *const data, const size_t mTime)

void	preconditionTriangulation (AbstractTriangulation *const data)

void	setLocalGradient ()
	Use local storage instead of cache.

void	setInputOffsets (const SimplexId *const data)

int	getDimensionality () const

int	getNumberOfDimensions () const

template<typename triangulationType >
SimplexId	getNumberOfCells (const int dimension, const triangulationType &triangulation) const

template<typename triangulationType >
bool	isBoundary (const Cell &cell, const triangulationType &triangulation) const

bool	isCellCritical (const int cellDim, const SimplexId cellId) const

bool	isCellCritical (const Cell &cell) const

template<typename triangulationType >
SimplexId	getPairedCell (const Cell &cell, const triangulationType &triangulation, bool isReverse=false) const

template<typename triangulationType >
int	getAscendingPath (const Cell &cell, std::vector< Cell > &vpath, const triangulationType &triangulation, const bool enableCycleDetector=false) const

template<typename triangulationType >
int	getDescendingPath (const Cell &cell, std::vector< Cell > &vpath, const triangulationType &triangulation) const

template<typename triangulationType >
bool	getDescendingPathThroughWall (const Cell &saddle2, const Cell &saddle1, const std::vector< bool > &isVisited, std::vector< Cell > *const vpath, const triangulationType &triangulation, const bool stopIfMultiConnected=false, const bool enableCycleDetector=false) const

template<typename triangulationType >
bool	getAscendingPathThroughWall (const Cell &saddle1, const Cell &saddle2, const std::vector< bool > &isVisited, std::vector< Cell > *const vpath, const triangulationType &triangulation, const bool stopIfMultiConnected=false, const bool enableCycleDetector=false) const

template<typename triangulationType >
int	getDescendingWall (const Cell &cell, VisitedMask &mask, const triangulationType &triangulation, std::vector< Cell > const wall=nullptr, std::vector< SimplexId > const saddles=nullptr) const

template<typename triangulationType >
int	getAscendingWall (const Cell &cell, VisitedMask &mask, const triangulationType &triangulation, std::vector< Cell > const wall=nullptr, std::vector< SimplexId > const saddles=nullptr) const

template<typename triangulationType >
SimplexId	getCellGreaterVertex (const Cell c, const triangulationType &triangulation) const

template<typename triangulationType >
SimplexId	getCellLowerVertex (const Cell c, const triangulationType &triangulation) const

template<typename triangulationType >
int	setCriticalPoints (const std::array< std::vector< SimplexId >, 4 > &criticalCellsByDim, std::vector< std::array< float, 3 > > &points, std::vector< char > &cellDimensions, std::vector< SimplexId > &cellIds, std::vector< char > &isOnBoundary, std::vector< SimplexId > &PLVertexIdentifiers, const triangulationType &triangulation) const

template<typename triangulationType >
int	setCriticalPoints (std::vector< std::array< float, 3 > > &points, std::vector< char > &cellDimensions, std::vector< SimplexId > &cellIds, std::vector< char > &isOnBoundary, std::vector< SimplexId > &PLVertexIdentifiers, const triangulationType &triangulation) const

template<typename triangulationType >
int	getCriticalPoints (std::array< std::vector< SimplexId >, 4 > &criticalCellsByDim, const triangulationType &triangulation) const

int	setManifoldSize (const std::array< std::vector< SimplexId >, 4 > &criticalCellsByDim, const SimplexId const ascendingManifold, const SimplexId const descendingManifold, std::vector< SimplexId > &manifoldSize) const

template<typename triangulationType >
int	setGradientGlyphs (std::vector< std::array< float, 3 > > &points, std::vector< char > &points_pairOrigins, std::vector< char > &cells_pairTypes, std::vector< SimplexId > &cellsIds, std::vector< char > &cellsDimensions, const triangulationType &triangulation) const

template<typename dataType , typename triangulationType >
dataType	getPersistence (const Cell &up, const Cell &down, const dataType *const scalars, const triangulationType &triangulation) const

bool	isMinimum (const Cell &cell) const

bool	isSaddle1 (const Cell &cell) const

bool	isSaddle2 (const Cell &cell) const

bool	isMaximum (const Cell &cell) const

template<typename triangulationType >
int	reverseAscendingPath (const std::vector< Cell > &vpath, const triangulationType &triangulation) const

template<typename triangulationType >
int	reverseDescendingPath (const std::vector< Cell > &vpath, const triangulationType &triangulation) const

template<typename triangulationType >
int	reverseAscendingPathOnWall (const std::vector< Cell > &vpath, const triangulationType &triangulation) const

template<typename triangulationType >
int	reverseDescendingPathOnWall (const std::vector< Cell > &vpath, const triangulationType &triangulation) const

template<typename triangulationType >
ttk::SimplexId	getCellGreaterVertex (const Cell c, const triangulationType &triangulation) const

template<typename triangulationType >
ttk::SimplexId	getCellLowerVertex (const Cell c, const triangulationType &triangulation) const

Public Member Functions inherited from ttk::Debug
	Debug ()

	~Debug () override

virtual int	setDebugLevel (const int &debugLevel)

int	setWrapper (const Wrapper *wrapper) override

int	printMsg (const std::string &msg, const debug::Priority &priority=debug::Priority::INFO, const debug::LineMode &lineMode=debug::LineMode::NEW, std::ostream &stream=std::cout) const

int	printMsg (const std::vector< std::string > &msgs, const debug::Priority &priority=debug::Priority::INFO, const debug::LineMode &lineMode=debug::LineMode::NEW, std::ostream &stream=std::cout) const

int	printErr (const std::string &msg, const debug::LineMode &lineMode=debug::LineMode::NEW, std::ostream &stream=std::cerr) const

int	printWrn (const std::string &msg, const debug::LineMode &lineMode=debug::LineMode::NEW, std::ostream &stream=std::cerr) const

int	printMsg (const std::string &msg, const double &progress, const double &time, const int &threads, const double &memory, const debug::LineMode &lineMode=debug::LineMode::NEW, const debug::Priority &priority=debug::Priority::PERFORMANCE, std::ostream &stream=std::cout) const

int	printMsg (const std::string &msg, const double &progress, const double &time, const debug::LineMode &lineMode=debug::LineMode::NEW, const debug::Priority &priority=debug::Priority::PERFORMANCE, std::ostream &stream=std::cout) const

int	printMsg (const std::string &msg, const double &progress, const double &time, const int &threads, const debug::LineMode &lineMode=debug::LineMode::NEW, const debug::Priority &priority=debug::Priority::PERFORMANCE, std::ostream &stream=std::cout) const

int	printMsg (const std::string &msg, const double &progress, const debug::LineMode &lineMode=debug::LineMode::NEW, const debug::Priority &priority=debug::Priority::PERFORMANCE, std::ostream &stream=std::cout) const

int	printMsg (const std::string &msg, const double &progress, const debug::Priority &priority, const debug::LineMode &lineMode=debug::LineMode::NEW, std::ostream &stream=std::cout) const

int	printMsg (const std::vector< std::vector< std::string > > &rows, const debug::Priority &priority=debug::Priority::INFO, const bool hasHeader=true, const debug::LineMode &lineMode=debug::LineMode::NEW, std::ostream &stream=std::cout) const

int	printMsg (const debug::Separator &separator, const debug::LineMode &lineMode=debug::LineMode::NEW, const debug::Priority &priority=debug::Priority::INFO, std::ostream &stream=std::cout) const

int	printMsg (const debug::Separator &separator, const debug::Priority &priority, const debug::LineMode &lineMode=debug::LineMode::NEW, std::ostream &stream=std::cout) const

int	printMsg (const std::string &msg, const debug::Separator &separator, const debug::LineMode &lineMode=debug::LineMode::NEW, const debug::Priority &priority=debug::Priority::INFO, std::ostream &stream=std::cout) const

void	setDebugMsgPrefix (const std::string &prefix)

Public Member Functions inherited from ttk::BaseClass
	BaseClass ()

virtual	~BaseClass ()=default

int	getThreadNumber () const

virtual int	setThreadNumber (const int threadNumber)

virtual int	setWrapper (const Wrapper *wrapper)

Static Public Member Functions
static void	clearCache (const AbstractTriangulation &triangulation)

Protected Attributes
int	dimensionality_ {-1}

SimplexId	numberOfVertices_ {}

AbstractTriangulation::gradientType	localGradient_ {}

AbstractTriangulation::gradientKeyType	inputScalarField_ {}

AbstractTriangulation::gradientType *	gradient_ {}

const SimplexId *	inputOffsets_ {}

Protected Attributes inherited from ttk::Debug
int	debugLevel_

std::string	debugMsgPrefix_

std::string	debugMsgNamePrefix_

Protected Attributes inherited from ttk::BaseClass
bool	lastObject_

int	threadNumber_

Wrapper *	wrapper_

Additional Inherited Members
Protected Member Functions inherited from ttk::Debug
int	printMsgInternal (const std::string &msg, const std::string &right, const std::string &filler, const debug::Priority &priority=debug::Priority::INFO, const debug::LineMode &lineMode=debug::LineMode::NEW, std::ostream &stream=std::cout) const

int	printMsgInternal (const std::string &msg, const debug::Priority &priority, const debug::LineMode &lineMode, std::ostream &stream=std::cout) const

int	welcomeMsg (std::ostream &stream)

Static Protected Attributes inherited from ttk::Debug
static COMMON_EXPORTS debug::LineMode	lastLineMode = ttk::debug::LineMode::NEW

Detailed Description

TTK discreteGradient processing package.

Compute and manage a discrete gradient of a function on a triangulation. TTK assumes that the input dataset is made of only one connected component.

Author: Guillaume Favelier guill.nosp@m.aume.nosp@m..fave.nosp@m.lier.nosp@m.@lip6.nosp@m..fr; Julien Tierny julie.nosp@m.n.ti.nosp@m.erny@.nosp@m.lip6.nosp@m..fr; Pierre Guillou pierr.nosp@m.e.gu.nosp@m.illou.nosp@m.@lip.nosp@m.6.fr; Yizhe Wang wangy.nosp@m.izhe.nosp@m.3518@.nosp@m.gmai.nosp@m.l.com

Date: November 2016.

DiscreteGradient is a TTK processing package that handles discrete gradient (in the sense of Discrete Morse Theory).

See also: ttk::Triangulation

Author: Guillaume Favelier guill.nosp@m.aume.nosp@m..fave.nosp@m.lier.nosp@m.@lip6.nosp@m..fr; Julien Tierny julie.nosp@m.n.ti.nosp@m.erny@.nosp@m.lip6.nosp@m..fr; Pierre Guillou pierr.nosp@m.e.gu.nosp@m.illou.nosp@m.@lip.nosp@m.6.fr

Date: November 2016.

DiscreteGradient is a TTK processing package that handles discrete gradient (in the sense of Discrete Morse Theory).

See also: ttk::Triangulation

Definition at line 88 of file DiscreteGradient.h.

Constructor & Destructor Documentation

◆ DiscreteGradient()

ttk::dcg::DiscreteGradient::DiscreteGradient ( )

inline

Definition at line 91 of file DiscreteGradient.h.

Member Function Documentation

◆ buildGradient()

template<typename triangulationType >

int DiscreteGradient::buildGradient	(	const triangulationType &	triangulation,
		bool	bypassCache = `false`
	)

     Compute the initial gradient field of the input scalar function on the

triangulation.

Definition at line 36 of file DiscreteGradient_Template.h.

◆ clearCache()

static void ttk::dcg::DiscreteGradient::clearCache ( const AbstractTriangulation & triangulation )

inlinestatic

Definition at line 150 of file DiscreteGradient.h.

◆ getAscendingPath()

template<typename triangulationType >

int DiscreteGradient::getAscendingPath	(	const Cell &	cell,
		std::vector< Cell > &	vpath,
		const triangulationType &	triangulation,
		const bool	enableCycleDetector = `false`
	)		const

Return the VPath coming from the given cell.

Definition at line 882 of file DiscreteGradient_Template.h.

◆ getAscendingPathThroughWall()

template<typename triangulationType >

bool DiscreteGradient::getAscendingPathThroughWall	(	const Cell &	saddle1,
		const Cell &	saddle2,
		const std::vector< bool > &	isVisited,
		std::vector< Cell > *const	vpath,
		const triangulationType &	triangulation,
		const bool	stopIfMultiConnected = `false`,
		const bool	enableCycleDetector = `false`
	)		const

     Return the VPath coming from the given 1-saddle restricted to the

2-separatrice of the 2-saddle.

Definition at line 1001 of file DiscreteGradient_Template.h.

◆ getAscendingWall()

template<typename triangulationType >

int DiscreteGradient::getAscendingWall	(	const Cell &	cell,
		VisitedMask &	mask,
		const triangulationType &	triangulation,
		std::vector< Cell > *const	wall = `nullptr`,
		std::vector< SimplexId > *const	saddles = `nullptr`
	)		const

Return the 2-separatrice coming from the given 1-saddle.

Definition at line 1179 of file DiscreteGradient_Template.h.

◆ getCellGreaterVertex() [1/2]

template<typename triangulationType >

SimplexId ttk::dcg::DiscreteGradient::getCellGreaterVertex	(	const Cell	c,
		const triangulationType &	triangulation
	)		const

Get the vertex id of with the maximum scalar field value on the given cell.

◆ getCellGreaterVertex() [2/2]

template<typename triangulationType >

ttk::SimplexId ttk::dcg::DiscreteGradient::getCellGreaterVertex	(	const Cell	c,
		const triangulationType &	triangulation
	)		const

Definition at line 1432 of file DiscreteGradient_Template.h.

◆ getCellLowerVertex() [1/2]

template<typename triangulationType >

SimplexId ttk::dcg::DiscreteGradient::getCellLowerVertex	(	const Cell	c,
		const triangulationType &	triangulation
	)		const

Get the vertex id of with the minimum scalar field value on the given cell.

◆ getCellLowerVertex() [2/2]

template<typename triangulationType >

ttk::SimplexId ttk::dcg::DiscreteGradient::getCellLowerVertex	(	const Cell	c,
		const triangulationType &	triangulation
	)		const

Definition at line 1495 of file DiscreteGradient_Template.h.

◆ getCriticalPoints()

template<typename triangulationType >

int DiscreteGradient::getCriticalPoints	(	std::array< std::vector< SimplexId >, 4 > &	criticalCellsByDim,
		const triangulationType &	triangulation
	)		const

Get the output critical points as a STL vector of cells.

Definition at line 161 of file DiscreteGradient_Template.h.

◆ getDescendingPath()

template<typename triangulationType >

int DiscreteGradient::getDescendingPath	(	const Cell &	cell,
		std::vector< Cell > &	vpath,
		const triangulationType &	triangulation
	)		const

Return the VPath terminating at the given cell.

Definition at line 728 of file DiscreteGradient_Template.h.

◆ getDescendingPathThroughWall()

template<typename triangulationType >

bool DiscreteGradient::getDescendingPathThroughWall	(	const Cell &	saddle2,
		const Cell &	saddle1,
		const std::vector< bool > &	isVisited,
		std::vector< Cell > *const	vpath,
		const triangulationType &	triangulation,
		const bool	stopIfMultiConnected = `false`,
		const bool	enableCycleDetector = `false`
	)		const

     Return the VPath terminating at the given 2-saddle restricted to the

2-separatrice of the 1-saddle.

Definition at line 776 of file DiscreteGradient_Template.h.

◆ getDescendingWall()

template<typename triangulationType >

int DiscreteGradient::getDescendingWall	(	const Cell &	cell,
		VisitedMask &	mask,
		const triangulationType &	triangulation,
		std::vector< Cell > *const	wall = `nullptr`,
		std::vector< SimplexId > *const	saddles = `nullptr`
	)		const

Return the 2-separatrice terminating at the given 2-saddle.

Definition at line 1116 of file DiscreteGradient_Template.h.

◆ getDimensionality()

int DiscreteGradient::getDimensionality ( ) const

Get the dimensionality of the triangulation.

Definition at line 7 of file DiscreteGradient.cpp.

◆ getNumberOfCells()

template<typename triangulationType >

SimplexId DiscreteGradient::getNumberOfCells	(	const int	dimension,
		const triangulationType &	triangulation
	)		const

Get the number of cells of the given dimension.

Definition at line 202 of file DiscreteGradient_Template.h.

◆ getNumberOfDimensions()

int DiscreteGradient::getNumberOfDimensions ( ) const

     Get the number of dimensions available for the cells in the

triangulation (equal to dimensionality+1).

Definition at line 11 of file DiscreteGradient.cpp.

◆ getPairedCell()

template<typename triangulationType >

SimplexId DiscreteGradient::getPairedCell	(	const Cell &	cell,
		const triangulationType &	triangulation,
		bool	isReverse = `false`
	)		const

     Return the identifier of the cell paired to the cell given by the user

in the gradient.

Definition at line 634 of file DiscreteGradient_Template.h.

◆ getPersistence()

template<typename dataType , typename triangulationType >

dataType DiscreteGradient::getPersistence	(	const Cell &	up,
		const Cell &	down,
		const dataType *const	scalars,
		const triangulationType &	triangulation
	)		const

Compute the difference of function values of a pair of cells.

Definition at line 25 of file DiscreteGradient_Template.h.

◆ isBoundary()

template<typename triangulationType >

bool DiscreteGradient::isBoundary	(	const Cell &	cell,
		const triangulationType &	triangulation
	)		const

Return true if the given cell is at boundary, false otherwise.

Definition at line 621 of file DiscreteGradient_Template.h.

◆ isCellCritical() [1/2]

bool DiscreteGradient::isCellCritical ( const Cell & cell ) const

Definition at line 189 of file DiscreteGradient.cpp.

◆ isCellCritical() [2/2]

bool DiscreteGradient::isCellCritical	(	const int	cellDim,
		const SimplexId	cellId
	)		const

     Return true if the given cell is a critical point regarding the

discrete gradient, false otherwise.

Definition at line 159 of file DiscreteGradient.cpp.

◆ isMaximum()

bool DiscreteGradient::isMaximum ( const Cell & cell ) const

     Return true if the given cell is a maximum regarding the discrete

gradient, false otherwise.

Definition at line 143 of file DiscreteGradient.cpp.

◆ isMinimum()

bool DiscreteGradient::isMinimum ( const Cell & cell ) const

     Return true if the given cell is a minimum regarding the discrete

gradient, false otherwise.

Definition at line 117 of file DiscreteGradient.cpp.

◆ isSaddle1()

bool DiscreteGradient::isSaddle1 ( const Cell & cell ) const

     Return true if the given cell is a 1-saddle regarding the discrete

gradient, false otherwise.

Definition at line 125 of file DiscreteGradient.cpp.

◆ isSaddle2()

bool DiscreteGradient::isSaddle2 ( const Cell & cell ) const

     Return true if the given cell is a 2-saddle regarding the discrete

gradient, false otherwise.

Definition at line 134 of file DiscreteGradient.cpp.

◆ preconditionTriangulation()

void ttk::dcg::DiscreteGradient::preconditionTriangulation ( AbstractTriangulation *const data )

inline

Preprocess all the required connectivity requests on the triangulation.

Definition at line 122 of file DiscreteGradient.h.

◆ reverseAscendingPath()

template<typename triangulationType >

int DiscreteGradient::reverseAscendingPath	(	const std::vector< Cell > &	vpath,
		const triangulationType &	triangulation
	)		const

Reverse the given ascending VPath.

Definition at line 1244 of file DiscreteGradient_Template.h.

◆ reverseAscendingPathOnWall()

template<typename triangulationType >

int DiscreteGradient::reverseAscendingPathOnWall	(	const std::vector< Cell > &	vpath,
		const triangulationType &	triangulation
	)		const

Reverse the given ascending VPath restricted on a 2-separatrice.

Definition at line 1352 of file DiscreteGradient_Template.h.

◆ reverseDescendingPath()

template<typename triangulationType >

int DiscreteGradient::reverseDescendingPath	(	const std::vector< Cell > &	vpath,
		const triangulationType &	triangulation
	)		const

Reverse the given descending VPath.

Definition at line 1313 of file DiscreteGradient_Template.h.

◆ reverseDescendingPathOnWall()

template<typename triangulationType >

int DiscreteGradient::reverseDescendingPathOnWall	(	const std::vector< Cell > &	vpath,
		const triangulationType &	triangulation
	)		const

Reverse the given descending VPath restricted on a 2-separatrice.

Definition at line 1392 of file DiscreteGradient_Template.h.

◆ setCriticalPoints() [1/2]

template<typename triangulationType >

int DiscreteGradient::setCriticalPoints	(	const std::array< std::vector< SimplexId >, 4 > &	criticalCellsByDim,
		std::vector< std::array< float, 3 > > &	points,
		std::vector< char > &	cellDimensions,
		std::vector< SimplexId > &	cellIds,
		std::vector< char > &	isOnBoundary,
		std::vector< SimplexId > &	PLVertexIdentifiers,
		const triangulationType &	triangulation
	)		const

Build the geometric embedding of the given STL vector of cells. The output vectors are modified accordingly. This function needs the following internal pointers to be set: outputCriticalPoints_numberOfPoints_ outputCriticalPoints_points_ inputScalarField_

Definition at line 86 of file DiscreteGradient_Template.h.

◆ setCriticalPoints() [2/2]

template<typename triangulationType >

int DiscreteGradient::setCriticalPoints	(	std::vector< std::array< float, 3 > > &	points,
		std::vector< char > &	cellDimensions,
		std::vector< SimplexId > &	cellIds,
		std::vector< char > &	isOnBoundary,
		std::vector< SimplexId > &	PLVertexIdentifiers,
		const triangulationType &	triangulation
	)		const

Detect the critical points and build their geometric embedding. The output vectors are modified accordingly.

Definition at line 144 of file DiscreteGradient_Template.h.

◆ setGradientGlyphs()

template<typename triangulationType >

int DiscreteGradient::setGradientGlyphs	(	std::vector< std::array< float, 3 > > &	points,
		std::vector< char > &	points_pairOrigins,
		std::vector< char > &	cells_pairTypes,
		std::vector< SimplexId > &	cellsIds,
		std::vector< char > &	cellsDimensions,
		const triangulationType &	triangulation
	)		const

Build the glyphs representing the discrete gradient vector field.

Definition at line 1558 of file DiscreteGradient_Template.h.

◆ setInputOffsets()

void ttk::dcg::DiscreteGradient::setInputOffsets ( const SimplexId *const data )

inline

Set the input offset function.

Precondition: For this function to behave correctly in the absence of the VTK wrapper, ttk::preconditionOrderArray() needs to be called to fill the data buffer prior to any computation (the VTK wrapper already includes a mechanism to automatically generate such a preconditioned buffer).

See also: examples/c++/main.cpp for an example use.

Definition at line 171 of file DiscreteGradient.h.

◆ setInputScalarField()

void ttk::dcg::DiscreteGradient::setInputScalarField	(	const void *const	data,
		const size_t	mTime
	)

inline

Set the input scalar function.

The first parameter is a pointer to the scalar field buffer (often provided by ttkUtils::GetVoidPointer()), the second one is a timestamp representing the last modification time of the scalar field (often provided by vtkObject::GetMTime()).

Definition at line 114 of file DiscreteGradient.h.

◆ setLocalGradient()

void ttk::dcg::DiscreteGradient::setLocalGradient ( )

inline

Use local storage instead of cache.

Definition at line 157 of file DiscreteGradient.h.

◆ setManifoldSize()

int DiscreteGradient::setManifoldSize	(	const std::array< std::vector< SimplexId >, 4 > &	criticalCellsByDim,
		const SimplexId *const	ascendingManifold,
		const SimplexId *const	descendingManifold,
		std::vector< SimplexId > &	manifoldSize
	)		const

Compute manifold size for critical extrema

Definition at line 193 of file DiscreteGradient.cpp.

Member Data Documentation

◆ dimensionality_

int ttk::dcg::DiscreteGradient::dimensionality_ {-1}

protected

Definition at line 501 of file DiscreteGradient.h.

◆ gradient_

AbstractTriangulation::gradientType* ttk::dcg::DiscreteGradient::gradient_ {}

protected

Definition at line 510 of file DiscreteGradient.h.

◆ inputOffsets_

const SimplexId* ttk::dcg::DiscreteGradient::inputOffsets_ {}

protected

Definition at line 511 of file DiscreteGradient.h.

◆ inputScalarField_

AbstractTriangulation::gradientKeyType ttk::dcg::DiscreteGradient::inputScalarField_ {}

protected

Definition at line 507 of file DiscreteGradient.h.

◆ localGradient_

AbstractTriangulation::gradientType ttk::dcg::DiscreteGradient::localGradient_ {}

protected

Definition at line 505 of file DiscreteGradient.h.

◆ numberOfVertices_

SimplexId ttk::dcg::DiscreteGradient::numberOfVertices_ {}

protected

Definition at line 502 of file DiscreteGradient.h.

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

/home/julien/Pro/git/github/ttk-tierny/core/base/discreteGradient/DiscreteGradient.h
/home/julien/Pro/git/github/ttk-tierny/core/base/discreteGradient/DiscreteGradient.cpp
/home/julien/Pro/git/github/ttk-tierny/core/base/discreteGradient/DiscreteGradient_Template.h

Public Member Functions

Static Public Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ DiscreteGradient()

Member Function Documentation

◆ buildGradient()

◆ clearCache()

◆ getAscendingPath()

◆ getAscendingPathThroughWall()

◆ getAscendingWall()

◆ getCellGreaterVertex() [1/2]

◆ getCellGreaterVertex() [2/2]

◆ getCellLowerVertex() [1/2]

◆ getCellLowerVertex() [2/2]

◆ getCriticalPoints()

◆ getDescendingPath()

◆ getDescendingPathThroughWall()

◆ getDescendingWall()

◆ getDimensionality()

◆ getNumberOfCells()

◆ getNumberOfDimensions()

◆ getPairedCell()

◆ getPersistence()

◆ isBoundary()

◆ isCellCritical() [1/2]

◆ isCellCritical() [2/2]

◆ isMaximum()

◆ isMinimum()

◆ isSaddle1()

◆ isSaddle2()

◆ preconditionTriangulation()

◆ reverseAscendingPath()

◆ reverseAscendingPathOnWall()

◆ reverseDescendingPath()

◆ reverseDescendingPathOnWall()

◆ setCriticalPoints() [1/2]

◆ setCriticalPoints() [2/2]

◆ setGradientGlyphs()

◆ setInputOffsets()

◆ setInputScalarField()

◆ setLocalGradient()

◆ setManifoldSize()

Member Data Documentation

◆ dimensionality_

◆ gradient_

◆ inputOffsets_

◆ inputScalarField_

◆ localGradient_

◆ numberOfVertices_