vtkNonLinearCell3D Class Reference

abstract superclass for non-linear 3d cells More...

#include <vtkNonLinearCell3D.h>

Inheritance diagram for vtkNonLinearCell3D:

Collaboration diagram for vtkNonLinearCell3D:

Public Types
typedef vtkNonLinearCell	Superclass
Public Types inherited from vtkNonLinearCell
typedef vtkCell	Superclass
Public Types inherited from vtkCell
typedef vtkObject	Superclass

Public Member Functions
virtual vtkTypeBool	IsA (const char *type)
	Return 1 if this class is the same type of (or a subclass of) the named class.
vtkNonLinearCell3D *	NewInstance () const
void	PrintSelf (ostream &os, vtkIndent indent) override
	Methods invoked by print to print information about the object including superclasses.
Public Member Functions inherited from vtkNonLinearCell
vtkNonLinearCell *	NewInstance () const
int	IsLinear () VTK_FUTURE_CONST override
	Non-linear cells require special treatment (tessellation) when converting to graphics primitives (during mapping).
virtual bool	StableClip (double value, vtkDataArray *cellScalars, vtkIncrementalPointLocator *locator, vtkCellArray *connectivity, vtkPointData *inPd, vtkPointData *outPd, vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd, int insideOut)
	Clip the cell based on the input cellScalars and the specified value.
Public Member Functions inherited from vtkCell
vtkCell *	NewInstance () const
void	Initialize (int npts, const vtkIdType *pts, vtkPoints *p)
	Initialize cell from outside with point ids and point coordinates specified.
void	Initialize (int npts, vtkPoints *p)
	Initialize the cell with point coordinates specified.
virtual void	ShallowCopy (vtkCell *c)
	Copy this cell by reference counting the internal data structures.
virtual void	DeepCopy (vtkCell *c)
	Copy this cell by completely copying internal data structures.
virtual int	GetCellType ()=0
	Return the type of cell.
virtual int	RequiresInitialization ()
	Some cells require initialization prior to access.
virtual void	Initialize ()
virtual int	IsExplicitCell () VTK_FUTURE_CONST
	Explicit cells require additional representational information beyond the usual cell type and connectivity list information.
virtual int	RequiresExplicitFaceRepresentation () VTK_FUTURE_CONST
	Determine whether the cell requires explicit face representation, and methods for setting and getting the faces (see vtkPolyhedron for example usage of these methods).
vtkPoints *	GetPoints ()
	Get the point coordinates for the cell.
vtkIdType	GetNumberOfPoints () const
	Return the number of points in the cell.
virtual int	GetNumberOfEdges ()=0
	Return the number of edges in the cell.
virtual int	GetNumberOfFaces ()=0
	Return the number of faces in the cell.
vtkIdList *	GetPointIds ()
	Return the list of point ids defining the cell.
vtkIdType	GetPointId (int ptId)
	For cell point i, return the actual point id.
virtual vtkCell *	GetEdge (int edgeId)=0
	Return the edge cell from the edgeId of the cell.
virtual vtkCell *	GetFace (int faceId)=0
	Return the face cell from the faceId of the cell.
virtual int	CellBoundary (int subId, const double pcoords[3], vtkIdList *pts)=0
	Given parametric coordinates of a point, return the closest cell boundary, and whether the point is inside or outside of the cell.
virtual int	EvaluatePosition (const double x[3], double closestPoint[3], int &subId, double pcoords[3], double &dist2, double weights[])=0
	Given a point x[3] return inside(=1), outside(=0) cell, or (-1) computational problem encountered; evaluate parametric coordinates, sub-cell id (!=0 only if cell is composite), distance squared of point x[3] to cell (in particular, the sub-cell indicated), closest point on cell to x[3] (unless closestPoint is null, in which case, the closest point and dist2 are not found), and interpolation weights in cell.
virtual void	EvaluateLocation (int &subId, const double pcoords[3], double x[3], double *weights)=0
	Determine global coordinate (x[3]) from subId and parametric coordinates.
virtual void	Contour (double value, vtkDataArray *cellScalars, vtkIncrementalPointLocator *locator, vtkCellArray *verts, vtkCellArray *lines, vtkCellArray *polys, vtkPointData *inPd, vtkPointData *outPd, vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd)=0
	Generate contouring primitives.
virtual void	Clip (double value, vtkDataArray *cellScalars, vtkIncrementalPointLocator *locator, vtkCellArray *connectivity, vtkPointData *inPd, vtkPointData *outPd, vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd, int insideOut)=0
	Cut (or clip) the cell based on the input cellScalars and the specified value.
virtual double	ComputeBoundingSphere (double center[3]) const
	Computes the bounding sphere of the cell.
virtual int	IntersectWithLine (const double p1[3], const double p2[3], double tol, double &t, double x[3], double pcoords[3], int &subId)=0
	Intersect with a ray.
virtual int	Triangulate (int index, vtkIdList *ptIds, vtkPoints *pts)
	Generate simplices of proper dimension.
virtual int	TriangulateIds (int index, vtkIdList *ptIds)
	Generate simplices of proper dimension.
virtual int	TriangulateLocalIds (int index, vtkIdList *ptIds)=0
	Generate simplices of proper dimension.
virtual void	Derivatives (int subId, const double pcoords[3], const double *values, int dim, double *derivs)=0
	Compute derivatives given cell subId and parametric coordinates.
void	GetBounds (double bounds[6])
	Compute cell bounding box (xmin,xmax,ymin,ymax,zmin,zmax).
double *	GetBounds ()
	Compute cell bounding box (xmin,xmax,ymin,ymax,zmin,zmax).
double	GetLength2 ()
	Compute Length squared of cell (i.e., bounding box diagonal squared).
virtual int	GetParametricCenter (double pcoords[3])
	Return center of the cell in parametric coordinates.
virtual double	GetParametricDistance (const double pcoords[3])
	Return the distance of the parametric coordinate provided to the cell.
virtual int	IsPrimaryCell () VTK_FUTURE_CONST
	Return whether this cell type has a fixed topology or whether the topology varies depending on the data (e.g., vtkConvexPointSet).
virtual double *	GetParametricCoords ()
	Return a contiguous array of parametric coordinates of the points defining this cell.
virtual void	InterpolateFunctions (const double pcoords[3], double *weight)
	Compute the interpolation functions/derivatives (aka shape functions/derivatives) No-ops at this level.
virtual void	InterpolateDerivs (const double pcoords[3], double *derivs)
virtual int	IntersectWithCell (vtkCell *other, double tol=0.0)
	Intersects with an other cell.
virtual int	IntersectWithCell (vtkCell *other, const vtkBoundingBox &boudingBox, const vtkBoundingBox &otherBoundingBox, double tol=0.0)
	Intersects with an other cell.
Public Member Functions inherited from vtkObject
	vtkBaseTypeMacro (vtkObject, vtkObjectBase)
virtual void	DebugOn ()
	Turn debugging output on.
virtual void	DebugOff ()
	Turn debugging output off.
bool	GetDebug ()
	Get the value of the debug flag.
void	SetDebug (bool debugFlag)
	Set the value of the debug flag.
virtual void	Modified ()
	Update the modification time for this object.
virtual vtkMTimeType	GetMTime ()
	Return this object's modified time.
void	PrintSelf (ostream &os, vtkIndent indent) override
	Methods invoked by print to print information about the object including superclasses.
void	RemoveObserver (unsigned long tag)
void	RemoveObservers (unsigned long event)
void	RemoveObservers (const char *event)
void	RemoveAllObservers ()
vtkTypeBool	HasObserver (unsigned long event)
vtkTypeBool	HasObserver (const char *event)
vtkTypeBool	InvokeEvent (unsigned long event)
vtkTypeBool	InvokeEvent (const char *event)
std::string	GetObjectDescription () const override
	The object description printed in messages and PrintSelf output.
unsigned long	AddObserver (unsigned long event, vtkCommand *, float priority=0.0f)
	Allow people to add/remove/invoke observers (callbacks) to any VTK object.
unsigned long	AddObserver (const char *event, vtkCommand *, float priority=0.0f)
	Allow people to add/remove/invoke observers (callbacks) to any VTK object.
vtkCommand *	GetCommand (unsigned long tag)
	Allow people to add/remove/invoke observers (callbacks) to any VTK object.
void	RemoveObserver (vtkCommand *)
	Allow people to add/remove/invoke observers (callbacks) to any VTK object.
void	RemoveObservers (unsigned long event, vtkCommand *)
	Allow people to add/remove/invoke observers (callbacks) to any VTK object.
void	RemoveObservers (const char *event, vtkCommand *)
	Allow people to add/remove/invoke observers (callbacks) to any VTK object.
vtkTypeBool	HasObserver (unsigned long event, vtkCommand *)
	Allow people to add/remove/invoke observers (callbacks) to any VTK object.
vtkTypeBool	HasObserver (const char *event, vtkCommand *)
	Allow people to add/remove/invoke observers (callbacks) to any VTK object.
template<class U, class T>
unsigned long	AddObserver (unsigned long event, U observer, void(T::*callback)(), float priority=0.0f)
	Overloads to AddObserver that allow developers to add class member functions as callbacks for events.
template<class U, class T>
unsigned long	AddObserver (unsigned long event, U observer, void(T::*callback)(vtkObject *, unsigned long, void *), float priority=0.0f)
	Overloads to AddObserver that allow developers to add class member functions as callbacks for events.
template<class U, class T>
unsigned long	AddObserver (unsigned long event, U observer, bool(T::*callback)(vtkObject *, unsigned long, void *), float priority=0.0f)
	Allow user to set the AbortFlagOn() with the return value of the callback method.
vtkTypeBool	InvokeEvent (unsigned long event, void *callData)
	This method invokes an event and return whether the event was aborted or not.
vtkTypeBool	InvokeEvent (const char *event, void *callData)
	This method invokes an event and return whether the event was aborted or not.
virtual void	SetObjectName (const std::string &objectName)
	Set/get the name of this object for reporting purposes.
virtual std::string	GetObjectName () const
	Set/get the name of this object for reporting purposes.
Public Member Functions inherited from vtkObjectBase
const char *	GetClassName () const
	Return the class name as a string.
virtual vtkIdType	GetNumberOfGenerationsFromBase (const char *name)
	Given the name of a base class of this class type, return the distance of inheritance between this class type and the named class (how many generations of inheritance are there between this class and the named class).
virtual void	Delete ()
	Delete a VTK object.
virtual void	FastDelete ()
	Delete a reference to this object.
void	InitializeObjectBase ()
void	Print (ostream &os)
	Print an object to an ostream.
void	Register (vtkObjectBase *o)
	Increase the reference count (mark as used by another object).
virtual void	UnRegister (vtkObjectBase *o)
	Decrease the reference count (release by another object).
int	GetReferenceCount ()
	Return the current reference count of this object.
void	SetReferenceCount (int)
	Sets the reference count.
bool	GetIsInMemkind () const
	A local state flag that remembers whether this object lives in the normal or extended memory space.
virtual void	PrintHeader (ostream &os, vtkIndent indent)
	Methods invoked by print to print information about the object including superclasses.
virtual void	PrintTrailer (ostream &os, vtkIndent indent)
	Methods invoked by print to print information about the object including superclasses.
virtual bool	UsesGarbageCollector () const
	Indicate whether the class uses vtkGarbageCollector or not.

Static Public Member Functions
static vtkTypeBool	IsTypeOf (const char *type)
static vtkNonLinearCell3D *	SafeDownCast (vtkObjectBase *o)
Static Public Member Functions inherited from vtkNonLinearCell
static vtkTypeBool	IsTypeOf (const char *type)
static vtkNonLinearCell *	SafeDownCast (vtkObjectBase *o)
Static Public Member Functions inherited from vtkCell
static vtkTypeBool	IsTypeOf (const char *type)
static vtkCell *	SafeDownCast (vtkObjectBase *o)
Static Public Member Functions inherited from vtkObject
static vtkObject *	New ()
	Create an object with Debug turned off, modified time initialized to zero, and reference counting on.
static void	BreakOnError ()
	This method is called when vtkErrorMacro executes.
static void	SetGlobalWarningDisplay (vtkTypeBool val)
	This is a global flag that controls whether any debug, warning or error messages are displayed.
static void	GlobalWarningDisplayOn ()
	This is a global flag that controls whether any debug, warning or error messages are displayed.
static void	GlobalWarningDisplayOff ()
	This is a global flag that controls whether any debug, warning or error messages are displayed.
static vtkTypeBool	GetGlobalWarningDisplay ()
	This is a global flag that controls whether any debug, warning or error messages are displayed.
Static Public Member Functions inherited from vtkObjectBase
static vtkTypeBool	IsTypeOf (const char *name)
	Return 1 if this class type is the same type of (or a subclass of) the named class.
static vtkIdType	GetNumberOfGenerationsFromBaseType (const char *name)
	Given a the name of a base class of this class type, return the distance of inheritance between this class type and the named class (how many generations of inheritance are there between this class and the named class).
static vtkObjectBase *	New ()
	Create an object with Debug turned off, modified time initialized to zero, and reference counting on.
static void	SetMemkindDirectory (const char *directoryname)
	The name of a directory, ideally mounted -o dax, to memory map an extended memory space within.
static bool	GetUsingMemkind ()
	A global state flag that controls whether vtkObjects are constructed in the usual way (the default) or within the extended memory space.

Protected Member Functions
virtual vtkObjectBase *	NewInstanceInternal () const
Protected Member Functions inherited from vtkNonLinearCell
	vtkNonLinearCell ()
	~vtkNonLinearCell () override=default
Protected Member Functions inherited from vtkCell
	vtkCell ()
	~vtkCell () override
Protected Member Functions inherited from vtkObject
	vtkObject ()
	~vtkObject () override
void	RegisterInternal (vtkObjectBase *, vtkTypeBool check) override
void	UnRegisterInternal (vtkObjectBase *, vtkTypeBool check) override
void	InternalGrabFocus (vtkCommand *mouseEvents, vtkCommand *keypressEvents=nullptr)
	These methods allow a command to exclusively grab all events.
void	InternalReleaseFocus ()
	These methods allow a command to exclusively grab all events.
Protected Member Functions inherited from vtkObjectBase
	vtkObjectBase ()
virtual	~vtkObjectBase ()
virtual void	ReportReferences (vtkGarbageCollector *)
	vtkObjectBase (const vtkObjectBase &)
void	operator= (const vtkObjectBase &)
enum	PointType { CornerPoint , EdgeMidPoint , FaceMidPoint , CenterPoint }
	Describes the topological role of a point within a non-linear cell. More...
int	GetCellDimension () override
	Implement the vtkCell API.
virtual PointType	GetPointType (vtkIdType pointId)=0
	Get the topological type of point of id pointId within this cell.
virtual vtkIdType	GetEdgePoints (vtkIdType edgeId, const vtkIdType *&pts)=0
	Get the vertices that define an edge.
virtual vtkIdType	GetFacePoints (vtkIdType faceId, const vtkIdType *&pts)=0
	Get the list of vertices that define a face.
virtual void	GetEdgeToAdjacentFaces (vtkIdType edgeId, const vtkIdType *&faceIds)=0
	Get the ids of the two adjacent faces to edge of id edgeId.
virtual vtkIdType	GetFaceToAdjacentFaces (vtkIdType faceId, const vtkIdType *&faceIds)=0
	Get the ids of the adjacent faces to face of id faceId.
virtual vtkIdType	GetPointToIncidentEdges (vtkIdType pointId, const vtkIdType *&edgeIds)=0
	Get the ids of the edges incident to point of id pointId.
virtual vtkIdType	GetPointToIncidentFaces (vtkIdType pointId, const vtkIdType *&faceIds)=0
	Get the ids of the faces incident to point of id pointId.
virtual vtkIdType	GetPointToOneRingPoints (vtkIdType pointId, const vtkIdType *&pts)=0
	Get the ids of the one-ring neighbors of point of id pointId.
virtual bool	IsInsideOut ()
	Returns true if the normals of the vtkNonLinearCell3D point inside the cell.
int	Inflate (double dist) override
	Inflate the cell.
	vtkNonLinearCell3D ()=default
	Describes the topological role of a point within a non-linear cell.
	~vtkNonLinearCell3D () override=default
	Describes the topological role of a point within a non-linear cell.

Additional Inherited Members
Public Attributes inherited from vtkCell
vtkPoints *	Points
vtkIdList *	PointIds
Static Protected Member Functions inherited from vtkObjectBase
static vtkMallocingFunction	GetCurrentMallocFunction ()
static vtkReallocingFunction	GetCurrentReallocFunction ()
static vtkFreeingFunction	GetCurrentFreeFunction ()
static vtkFreeingFunction	GetAlternateFreeFunction ()
Protected Attributes inherited from vtkCell
double	Bounds [6]
Protected Attributes inherited from vtkObject
bool	Debug
vtkTimeStamp	MTime
vtkSubjectHelper *	SubjectHelper
std::string	ObjectName
Protected Attributes inherited from vtkObjectBase
std::atomic< int32_t >	ReferenceCount
vtkWeakPointerBase **	WeakPointers

Detailed Description

abstract superclass for non-linear 3d cells

vtkNonLinearCell3D is an abstract superclass for cells of fixed order (i.e., not varying cell by cell) that have nominal order along any axis > 1. Thus, "multi-linear" cells such as vtkTetra and vtkHexahedron are not included, but cells that may have interior critical points (minima, maxima, or inflection points) along a single parameter-space axis are included.

Definition at line 20 of file vtkNonLinearCell3D.h.

Member Typedef Documentation

Superclass

typedef vtkNonLinearCell vtkNonLinearCell3D::Superclass

Definition at line 23 of file vtkNonLinearCell3D.h.

Member Enumeration Documentation

PointType

enum vtkNonLinearCell3D::PointType

Describes the topological role of a point within a non-linear cell.

• CornerPoint: a vertex of the cell's underlying linear topology. It is shared by 3 or more faces and belongs to 3 or more edges.
• EdgeMidPoint: a point sitting on an edge between two corners. It belongs to exactly 2 faces and exactly 1 edge.
• FaceMidPoint: a point sitting on the interior of a face. It belongs to exactly 1 face and no edges.
• CenterPoint: a point sitting in the interior of the cell volume. It belongs to no face and no edge.

Enumerator
CornerPoint
EdgeMidPoint
FaceMidPoint
CenterPoint

Definition at line 44 of file vtkNonLinearCell3D.h.

Constructor & Destructor Documentation

vtkNonLinearCell3D()

vtkNonLinearCell3D::vtkNonLinearCell3D ( )

protecteddefault

Describes the topological role of a point within a non-linear cell.

• CornerPoint: a vertex of the cell's underlying linear topology. It is shared by 3 or more faces and belongs to 3 or more edges.
• EdgeMidPoint: a point sitting on an edge between two corners. It belongs to exactly 2 faces and exactly 1 edge.
• FaceMidPoint: a point sitting on the interior of a face. It belongs to exactly 1 face and no edges.
• CenterPoint: a point sitting in the interior of the cell volume. It belongs to no face and no edge.

~vtkNonLinearCell3D()

vtkNonLinearCell3D::~vtkNonLinearCell3D ( )

overrideprotecteddefault

Describes the topological role of a point within a non-linear cell.

• CornerPoint: a vertex of the cell's underlying linear topology. It is shared by 3 or more faces and belongs to 3 or more edges.
• EdgeMidPoint: a point sitting on an edge between two corners. It belongs to exactly 2 faces and exactly 1 edge.
• FaceMidPoint: a point sitting on the interior of a face. It belongs to exactly 1 face and no edges.
• CenterPoint: a point sitting in the interior of the cell volume. It belongs to no face and no edge.

Member Function Documentation

IsTypeOf()

static vtkTypeBool vtkNonLinearCell3D::IsTypeOf ( const char * type )

static

IsA()

virtual vtkTypeBool vtkNonLinearCell3D::IsA ( const char * name )

virtual

Return 1 if this class is the same type of (or a subclass of) the named class.

Returns 0 otherwise. This method works in combination with vtkTypeMacro found in vtkSetGet.h.

Reimplemented from vtkNonLinearCell.

Reimplemented in vtkBiQuadraticQuadraticHexahedron, vtkBiQuadraticQuadraticWedge, vtkQuadraticHexahedron, vtkQuadraticLinearWedge, vtkQuadraticPyramid, vtkQuadraticTetra, vtkQuadraticWedge, vtkTriQuadraticHexahedron, and vtkTriQuadraticPyramid.

SafeDownCast()

static vtkNonLinearCell3D * vtkNonLinearCell3D::SafeDownCast ( vtkObjectBase * o )

static

NewInstanceInternal()

virtual vtkObjectBase * vtkNonLinearCell3D::NewInstanceInternal ( ) const

protectedvirtual

Reimplemented from vtkNonLinearCell.

Reimplemented in vtkBiQuadraticQuadraticHexahedron, vtkBiQuadraticQuadraticWedge, vtkQuadraticHexahedron, vtkQuadraticLinearWedge, vtkQuadraticPyramid, vtkQuadraticTetra, vtkQuadraticWedge, vtkTriQuadraticHexahedron, and vtkTriQuadraticPyramid.

NewInstance()

vtkNonLinearCell3D * vtkNonLinearCell3D::NewInstance

(

)

const

PrintSelf()

void vtkNonLinearCell3D::PrintSelf ( ostream & os, vtkIndent indent )

overridevirtual

Methods invoked by print to print information about the object including superclasses.

Typically not called by the user (use Print() instead) but used in the hierarchical print process to combine the output of several classes.

Reimplemented from vtkNonLinearCell.

Reimplemented in vtkQuadraticHexahedron, vtkQuadraticLinearWedge, vtkQuadraticPyramid, vtkQuadraticTetra, vtkQuadraticWedge, vtkTriQuadraticHexahedron, and vtkTriQuadraticPyramid.

GetCellDimension()

int vtkNonLinearCell3D::GetCellDimension ( )

inlineoverridevirtual

Implement the vtkCell API.

See the vtkCell API for descriptions of these methods.

Implements vtkCell.

Definition at line 31 of file vtkNonLinearCell3D.h.

GetPointType()

virtual PointType vtkNonLinearCell3D::GetPointType ( vtkIdType pointId )

pure virtual

Get the topological type of point of id pointId within this cell.

This determines which topology API calls are meaningful for this point:

• CornerPoint and EdgeMidPoint have incident edges and a non-empty one-ring.
• CornerPoint, EdgeMidPoint, and FaceMidPoint have incident faces.
• CenterPoint has no incident edges, faces, or one-ring neighbors.

Returns

The PointType of point pointId.

Implemented in vtkBiQuadraticQuadraticHexahedron, vtkBiQuadraticQuadraticWedge, vtkQuadraticHexahedron, vtkQuadraticLinearWedge, vtkQuadraticPyramid, vtkQuadraticTetra, vtkQuadraticWedge, vtkTriQuadraticHexahedron, and vtkTriQuadraticPyramid.

GetEdgePoints()

virtual vtkIdType vtkNonLinearCell3D::GetEdgePoints ( vtkIdType edgeId, const vtkIdType *& pts )

pure virtual

Get the vertices that define an edge.

The method returns the number of vertices, along with an array of vertices. Note that the vertices are 0-offset; that is, they refer to the ids of the cell, not the point ids of the mesh that the cell belongs to. The edgeId must range between 0<=edgeId<this->GetNumberOfEdges().

Returns

The number of points in edge edgeId

Implemented in vtkBiQuadraticQuadraticHexahedron, vtkBiQuadraticQuadraticWedge, vtkQuadraticHexahedron, vtkQuadraticLinearWedge, vtkQuadraticPyramid, vtkQuadraticTetra, vtkQuadraticWedge, vtkTriQuadraticHexahedron, and vtkTriQuadraticPyramid.

GetFacePoints()

virtual vtkIdType vtkNonLinearCell3D::GetFacePoints ( vtkIdType faceId, const vtkIdType *& pts )

pure virtual

Get the list of vertices that define a face.

The list is terminated with a negative number. Note that the vertices are 0-offset; that is, they refer to the ids of the cell, not the point ids of the mesh that the cell belongs to. The faceId must range between 0<=faceId<this->GetNumberOfFaces().

Returns

The number of points in face faceId

Implemented in vtkBiQuadraticQuadraticHexahedron, vtkBiQuadraticQuadraticWedge, vtkQuadraticHexahedron, vtkQuadraticLinearWedge, vtkQuadraticPyramid, vtkQuadraticTetra, vtkQuadraticWedge, vtkTriQuadraticHexahedron, and vtkTriQuadraticPyramid.

GetEdgeToAdjacentFaces()

virtual void vtkNonLinearCell3D::GetEdgeToAdjacentFaces ( vtkIdType edgeId, const vtkIdType *& faceIds )

pure virtual

Get the ids of the two adjacent faces to edge of id edgeId.

The output face ids are sorted from id of lowest rank to highest. Note that the faces are 0-offset; that is, they refer to the ids of the cells, not the face ids of the mesh that the cell belongs to. The edgeId must range between 0<=edgeId<this->GetNumberOfEdges().

Implemented in vtkBiQuadraticQuadraticHexahedron, vtkBiQuadraticQuadraticWedge, vtkQuadraticHexahedron, vtkQuadraticLinearWedge, vtkQuadraticPyramid, vtkQuadraticTetra, vtkQuadraticWedge, vtkTriQuadraticHexahedron, and vtkTriQuadraticPyramid.

GetFaceToAdjacentFaces()

virtual vtkIdType vtkNonLinearCell3D::GetFaceToAdjacentFaces ( vtkIdType faceId, const vtkIdType *& faceIds )

pure virtual

Get the ids of the adjacent faces to face of id faceId.

The order of faces is consistent. They are always ordered in counter clockwise w.r.t. normal orientation. The first id faces[0] corresponds to the face sharing point of id pts[0] where pts is obtained from this->GetFacePoints(faceId, pts), being the "most counter clockwise" oriented w.r.t. face faceId. Note that the faces are 0-offset; that is, they refer to the ids of the cell, not the face ids of the mesh that the cell belongs to. The faceId must be between 0<=faceId<this->GetNumberOfFaces();

Warning

If the vtkNonLinearCell3D is "inside out", i.e. normals point inside the cell, the order is inverted.

Returns

The number of adjacent faces to faceId.

Implemented in vtkBiQuadraticQuadraticHexahedron, vtkBiQuadraticQuadraticWedge, vtkQuadraticHexahedron, vtkQuadraticLinearWedge, vtkQuadraticPyramid, vtkQuadraticTetra, vtkQuadraticWedge, vtkTriQuadraticHexahedron, and vtkTriQuadraticPyramid.

GetPointToIncidentEdges()

virtual vtkIdType vtkNonLinearCell3D::GetPointToIncidentEdges ( vtkIdType pointId, const vtkIdType *& edgeIds )

pure virtual

Get the ids of the edges incident to point of id pointId.

Edges are sorted in counter clockwise order w.r.t. the bisectrix pointing outside the cell at point of id pointId. The first edge corresponds to the edge containing point of id pts[0], where pts is obtained from this->GetPointToOneRingPoints(pointId, pts). Note that the edges are 0-offset; that is, they refer to the ids of the cell, not the edge ids of the mesh that the cell belongs to.

Only corner and mid-edge points have incident edges. Mid-face and center points have no incident edges, so the returned list is empty and 0 is returned.

Warning

If the vtkNonLinearCell3D is "inside out", i.e. normals point inside the cell, the order is inverted.

Returns

The number of incident edges (valence) of point pointId.

Implemented in vtkBiQuadraticQuadraticHexahedron, vtkBiQuadraticQuadraticWedge, vtkQuadraticHexahedron, vtkQuadraticLinearWedge, vtkQuadraticPyramid, vtkQuadraticTetra, vtkQuadraticWedge, vtkTriQuadraticHexahedron, and vtkTriQuadraticPyramid.

GetPointToIncidentFaces()

virtual vtkIdType vtkNonLinearCell3D::GetPointToIncidentFaces ( vtkIdType pointId, const vtkIdType *& faceIds )

pure virtual

Get the ids of the faces incident to point of id pointId.

Faces are sorted in counter clockwise order w.r.t. the bisectrix pointing outside the cell at point of id pointId. The first face corresponds to the face containing edge of id edges[0], where edges is obtained from this->GetPointToIncidentEdges(pointId, edges), such that faces[0] is the "most counterclockwise" face incident to pointId containing edges[0]. Note that the faces are 0-offset; that is, they refer to the ids of the cell, not the face ids of the mesh that the cell belongs to.

All point types can have incident faces:

• Corner points belong to 3 or more faces.
• Mid-edge points belong to exactly 2 faces (the two faces sharing that edge).
• Mid-face points belong to exactly 1 face (the face they sit on).
• Center points belong to no face; the returned list is empty and 0 is returned.

Warning

If the vtkNonLinearCell3D is "inside out", i.e. normals point inside the cell, the order is inverted.

Returns

The number of incident faces of point pointId.

Implemented in vtkBiQuadraticQuadraticHexahedron, vtkBiQuadraticQuadraticWedge, vtkQuadraticHexahedron, vtkQuadraticLinearWedge, vtkQuadraticPyramid, vtkQuadraticTetra, vtkQuadraticWedge, vtkTriQuadraticHexahedron, and vtkTriQuadraticPyramid.

GetPointToOneRingPoints()

virtual vtkIdType vtkNonLinearCell3D::GetPointToOneRingPoints ( vtkIdType pointId, const vtkIdType *& pts )

pure virtual

Get the ids of the one-ring neighbors of point of id pointId.

Points are sorted in counter clockwise order w.r.t. the bisectrix pointing outside the cell at point of id pointId. The first point corresponds to the point contained in edges[0], where edges is obtained from this->GetPointToIncidentEdges(pointId, edges). Note that the points are 0-offset; that is, they refer to the ids of the cell, not the point ids of the mesh that the cell belongs to.

The one-ring contains only points reachable via edges from pointId:

• Corner points: alternating corner neighbor and mid-edge point around the ring.
• Mid-edge points: the two corner endpoints of their edge.
• Mid-face and center points: no incident edges, so the one-ring is empty and 0 is returned.

Returns

The number of one-ring neighbors of point pointId.

Implemented in vtkBiQuadraticQuadraticHexahedron, vtkBiQuadraticQuadraticWedge, vtkQuadraticHexahedron, vtkQuadraticLinearWedge, vtkQuadraticPyramid, vtkQuadraticTetra, vtkQuadraticWedge, vtkTriQuadraticHexahedron, and vtkTriQuadraticPyramid.

IsInsideOut()

virtual bool vtkNonLinearCell3D::IsInsideOut ( )

virtual

Returns true if the normals of the vtkNonLinearCell3D point inside the cell.

The orientation is determined by the sign of the Jacobian determinant evaluated at the parametric center: a negative determinant means the parametric-to-world mapping reverses orientation.

Warning

This flag is not precomputed. Store the return value in a local variable if you need it more than once.

Inflate()

int vtkNonLinearCell3D::Inflate ( double dist )

overridevirtual

Inflate the cell.

Each control point is displaced outward along a direction computed by transforming the sum of the outward reference-element face normals incident to that point to world space via the shape-function Jacobian inverse transpose (Nanson's formula). Control points that participate in no face boundary (CenterPoint) are left unchanged.

Returns

1 if inflation was successful, 0 if no inflation was performed.

Reimplemented from vtkCell.

---

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

• Common/DataModel/vtkNonLinearCell3D.h