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vtkQuad Class Reference

a cell that represents a 2D quadrilateral More...

#include <vtkQuad.h>

Inheritance diagram for vtkQuad:
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Collaboration diagram for vtkQuad:
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Public Types

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. More...
 
vtkQuadNewInstance () const
 
void PrintSelf (ostream &os, vtkIndent indent) override
 Methods invoked by print to print information about the object including superclasses. More...
 
int GetParametricCenter (double pcoords[3]) override
 Return the center of the triangle in parametric coordinates. More...
 
void Clip (double value, vtkDataArray *cellScalars, vtkIncrementalPointLocator *locator, vtkCellArray *polys, vtkPointData *inPd, vtkPointData *outPd, vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd, int insideOut) override
 Clip this quad using scalar value provided. More...
 
const vtkIdTypeGetEdgeArray (vtkIdType edgeId)
 Return the ids of the vertices defining edge (edgeId). More...
 
int GetCellType () override
 See the vtkCell API for descriptions of these methods. More...
 
int GetCellDimension () override
 See the vtkCell API for descriptions of these methods. More...
 
int GetNumberOfEdges () override
 See the vtkCell API for descriptions of these methods. More...
 
int GetNumberOfFaces () override
 See the vtkCell API for descriptions of these methods. More...
 
vtkCellGetEdge (int edgeId) override
 See the vtkCell API for descriptions of these methods. More...
 
vtkCellGetFace (int) override
 See the vtkCell API for descriptions of these methods. More...
 
int CellBoundary (int subId, const double pcoords[3], vtkIdList *pts) override
 See the vtkCell API for descriptions of these methods. More...
 
void Contour (double value, vtkDataArray *cellScalars, vtkIncrementalPointLocator *locator, vtkCellArray *verts, vtkCellArray *lines, vtkCellArray *polys, vtkPointData *inPd, vtkPointData *outPd, vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd) override
 See the vtkCell API for descriptions of these methods. More...
 
int EvaluatePosition (const double x[3], double closestPoint[3], int &subId, double pcoords[3], double &dist2, double weights[]) override
 See the vtkCell API for descriptions of these methods. More...
 
void EvaluateLocation (int &subId, const double pcoords[3], double x[3], double *weights) override
 See the vtkCell API for descriptions of these methods. More...
 
int IntersectWithLine (const double p1[3], const double p2[3], double tol, double &t, double x[3], double pcoords[3], int &subId) override
 See the vtkCell API for descriptions of these methods. More...
 
int TriangulateLocalIds (int index, vtkIdList *ptIds) override
 See the vtkCell API for descriptions of these methods. More...
 
void Derivatives (int subId, const double pcoords[3], const double *values, int dim, double *derivs) override
 See the vtkCell API for descriptions of these methods. More...
 
double * GetParametricCoords () override
 See the vtkCell API for descriptions of these methods. More...
 
void InterpolateFunctions (const double pcoords[3], double sf[4]) override
 Compute the interpolation functions/derivatives (aka shape functions/derivatives) More...
 
void InterpolateDerivs (const double pcoords[3], double derivs[8]) override
 Compute the interpolation functions/derivatives (aka shape functions/derivatives) More...
 
- Public Member Functions inherited from vtkCell
vtkCellNewInstance () const
 
void Initialize (int npts, const vtkIdType *pts, vtkPoints *p)
 Initialize cell from outside with point ids and point coordinates specified. More...
 
void Initialize (int npts, vtkPoints *p)
 Initialize the cell with point coordinates specified. More...
 
virtual void ShallowCopy (vtkCell *c)
 Copy this cell by reference counting the internal data structures. More...
 
virtual void DeepCopy (vtkCell *c)
 Copy this cell by completely copying internal data structures. More...
 
virtual int IsLinear ()
 Non-linear cells require special treatment beyond the usual cell type and connectivity list information. More...
 
virtual int RequiresInitialization ()
 Some cells require initialization prior to access. More...
 
virtual void Initialize ()
 
virtual int IsExplicitCell ()
 Explicit cells require additional representational information beyond the usual cell type and connectivity list information. More...
 
virtual int RequiresExplicitFaceRepresentation ()
 Determine whether the cell requires explicit face representation, and methods for setting and getting the faces (see vtkPolyhedron for example usage of these methods). More...
 
virtual void SetFaces (vtkIdType *vtkNotUsed(faces))
 
virtual vtkIdTypeGetFaces ()
 
vtkPointsGetPoints ()
 Get the point coordinates for the cell. More...
 
vtkIdType GetNumberOfPoints () const
 Return the number of points in the cell. More...
 
vtkIdListGetPointIds ()
 Return the list of point ids defining the cell. More...
 
vtkIdType GetPointId (int ptId)
 For cell point i, return the actual point id. More...
 
virtual int Inflate (double dist)
 Inflates the cell. More...
 
virtual double ComputeBoundingSphere (double center[3]) const
 Computes the bounding sphere of the cell. More...
 
virtual int Triangulate (int index, vtkIdList *ptIds, vtkPoints *pts)
 Generate simplices of proper dimension. More...
 
virtual int TriangulateIds (int index, vtkIdList *ptIds)
 Generate simplices of proper dimension. More...
 
void GetBounds (double bounds[6])
 Compute cell bounding box (xmin,xmax,ymin,ymax,zmin,zmax). More...
 
double * GetBounds ()
 Compute cell bounding box (xmin,xmax,ymin,ymax,zmin,zmax). More...
 
double GetLength2 ()
 Compute Length squared of cell (i.e., bounding box diagonal squared). More...
 
virtual double GetParametricDistance (const double pcoords[3])
 Return the distance of the parametric coordinate provided to the cell. More...
 
virtual int IsPrimaryCell ()
 Return whether this cell type has a fixed topology or whether the topology varies depending on the data (e.g., vtkConvexPointSet). More...
 
virtual void InterpolateFunctions (const double vtkNotUsed(pcoords)[3], double *vtkNotUsed(weight))
 Compute the interpolation functions/derivatives (aka shape functions/derivatives) No-ops at this level. More...
 
virtual void InterpolateDerivs (const double vtkNotUsed(pcoords)[3], double *vtkNotUsed(derivs))
 
virtual int IntersectWithCell (vtkCell *other, double tol=0.0)
 Intersects with an other cell. More...
 
virtual int IntersectWithCell (vtkCell *other, const vtkBoundingBox &boudingBox, const vtkBoundingBox &otherBoundingBox, double tol=0.0)
 Intersects with an other cell. More...
 
- Public Member Functions inherited from vtkObject
 vtkBaseTypeMacro (vtkObject, vtkObjectBase)
 
virtual void DebugOn ()
 Turn debugging output on. More...
 
virtual void DebugOff ()
 Turn debugging output off. More...
 
bool GetDebug ()
 Get the value of the debug flag. More...
 
void SetDebug (bool debugFlag)
 Set the value of the debug flag. More...
 
virtual void Modified ()
 Update the modification time for this object. More...
 
virtual vtkMTimeType GetMTime ()
 Return this object's modified time. More...
 
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. More...
 
unsigned long AddObserver (unsigned long event, vtkCommand *, float priority=0.0f)
 Allow people to add/remove/invoke observers (callbacks) to any VTK object. More...
 
unsigned long AddObserver (const char *event, vtkCommand *, float priority=0.0f)
 Allow people to add/remove/invoke observers (callbacks) to any VTK object. More...
 
vtkCommandGetCommand (unsigned long tag)
 Allow people to add/remove/invoke observers (callbacks) to any VTK object. More...
 
void RemoveObserver (vtkCommand *)
 Allow people to add/remove/invoke observers (callbacks) to any VTK object. More...
 
void RemoveObservers (unsigned long event, vtkCommand *)
 Allow people to add/remove/invoke observers (callbacks) to any VTK object. More...
 
void RemoveObservers (const char *event, vtkCommand *)
 Allow people to add/remove/invoke observers (callbacks) to any VTK object. More...
 
vtkTypeBool HasObserver (unsigned long event, vtkCommand *)
 Allow people to add/remove/invoke observers (callbacks) to any VTK object. More...
 
vtkTypeBool HasObserver (const char *event, vtkCommand *)
 Allow people to add/remove/invoke observers (callbacks) to any VTK object. More...
 
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. More...
 
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. More...
 
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. More...
 
vtkTypeBool InvokeEvent (unsigned long event, void *callData)
 This method invokes an event and return whether the event was aborted or not. More...
 
vtkTypeBool InvokeEvent (const char *event, void *callData)
 This method invokes an event and return whether the event was aborted or not. More...
 
virtual void SetObjectName (const std::string &objectName)
 Set/get the name of this object for reporting purposes. More...
 
virtual std::string GetObjectName () const
 Set/get the name of this object for reporting purposes. More...
 
- Public Member Functions inherited from vtkObjectBase
const char * GetClassName () const
 Return the class name as a string. More...
 
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). More...
 
virtual void Delete ()
 Delete a VTK object. More...
 
virtual void FastDelete ()
 Delete a reference to this object. More...
 
void InitializeObjectBase ()
 
void Print (ostream &os)
 Print an object to an ostream. More...
 
void Register (vtkObjectBase *o)
 Increase the reference count (mark as used by another object). More...
 
virtual void UnRegister (vtkObjectBase *o)
 Decrease the reference count (release by another object). More...
 
int GetReferenceCount ()
 Return the current reference count of this object. More...
 
void SetReferenceCount (int)
 Sets the reference count. More...
 
bool GetIsInMemkind () const
 A local state flag that remembers whether this object lives in the normal or extended memory space. More...
 
virtual void PrintHeader (ostream &os, vtkIndent indent)
 Methods invoked by print to print information about the object including superclasses. More...
 
virtual void PrintTrailer (ostream &os, vtkIndent indent)
 Methods invoked by print to print information about the object including superclasses. More...
 
virtual bool UsesGarbageCollector () const
 Indicate whether the class uses vtkGarbageCollector or not. More...
 

Static Public Member Functions

static vtkQuadNew ()
 
static vtkTypeBool IsTypeOf (const char *type)
 
static vtkQuadSafeDownCast (vtkObjectBase *o)
 
static void InterpolationFunctions (const double pcoords[3], double sf[4])
 
static void InterpolationDerivs (const double pcoords[3], double derivs[8])
 
- Static Public Member Functions inherited from vtkCell
static vtkTypeBool IsTypeOf (const char *type)
 
static vtkCellSafeDownCast (vtkObjectBase *o)
 
- Static Public Member Functions inherited from vtkObject
static vtkObjectNew ()
 Create an object with Debug turned off, modified time initialized to zero, and reference counting on. More...
 
static void BreakOnError ()
 This method is called when vtkErrorMacro executes. More...
 
static void SetGlobalWarningDisplay (vtkTypeBool val)
 This is a global flag that controls whether any debug, warning or error messages are displayed. More...
 
static void GlobalWarningDisplayOn ()
 This is a global flag that controls whether any debug, warning or error messages are displayed. More...
 
static void GlobalWarningDisplayOff ()
 This is a global flag that controls whether any debug, warning or error messages are displayed. More...
 
static vtkTypeBool GetGlobalWarningDisplay ()
 This is a global flag that controls whether any debug, warning or error messages are displayed. More...
 
- 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. More...
 
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). More...
 
static vtkObjectBaseNew ()
 Create an object with Debug turned off, modified time initialized to zero, and reference counting on. More...
 
static void SetMemkindDirectory (const char *directoryname)
 The name of a directory, ideally mounted -o dax, to memory map an extended memory space within. More...
 
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. More...
 

Protected Member Functions

virtual vtkObjectBaseNewInstanceInternal () const
 
 vtkQuad ()
 
 ~vtkQuad () override
 
- 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. More...
 
void InternalReleaseFocus ()
 These methods allow a command to exclusively grab all events. More...
 
- Protected Member Functions inherited from vtkObjectBase
 vtkObjectBase ()
 
virtual ~vtkObjectBase ()
 
virtual void ReportReferences (vtkGarbageCollector *)
 
 vtkObjectBase (const vtkObjectBase &)
 
void operator= (const vtkObjectBase &)
 

Protected Attributes

vtkLineLine
 
vtkTriangleTriangle
 
- 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
 

Additional Inherited Members

- Public Attributes inherited from vtkCell
vtkPointsPoints
 
vtkIdListPointIds
 
- Static Protected Member Functions inherited from vtkObjectBase
static vtkMallocingFunction GetCurrentMallocFunction ()
 
static vtkReallocingFunction GetCurrentReallocFunction ()
 
static vtkFreeingFunction GetCurrentFreeFunction ()
 
static vtkFreeingFunction GetAlternateFreeFunction ()
 

Detailed Description

a cell that represents a 2D quadrilateral

vtkQuad is a concrete implementation of vtkCell to represent a 2D quadrilateral. vtkQuad is defined by the four points (0,1,2,3) in counterclockwise order. vtkQuad uses the standard isoparametric interpolation functions for a linear quadrilateral.

Online Examples:

Tests:
vtkQuad (Tests)

Definition at line 86 of file vtkQuad.h.

Member Typedef Documentation

◆ Superclass

Definition at line 90 of file vtkQuad.h.

Constructor & Destructor Documentation

◆ vtkQuad()

vtkQuad::vtkQuad ( )
protected

◆ ~vtkQuad()

vtkQuad::~vtkQuad ( )
overrideprotected

Member Function Documentation

◆ New()

static vtkQuad* vtkQuad::New ( )
static

◆ IsTypeOf()

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

◆ IsA()

virtual vtkTypeBool vtkQuad::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 vtkCell.

◆ SafeDownCast()

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

◆ NewInstanceInternal()

virtual vtkObjectBase* vtkQuad::NewInstanceInternal ( ) const
protectedvirtual

Reimplemented from vtkCell.

◆ NewInstance()

vtkQuad* vtkQuad::NewInstance ( ) const

◆ PrintSelf()

void vtkQuad::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 vtkCell.

◆ GetCellType()

int vtkQuad::GetCellType ( )
inlineoverridevirtual

See the vtkCell API for descriptions of these methods.

Implements vtkCell.

Definition at line 97 of file vtkQuad.h.

◆ GetCellDimension()

int vtkQuad::GetCellDimension ( )
inlineoverridevirtual

See the vtkCell API for descriptions of these methods.

Implements vtkCell.

Definition at line 98 of file vtkQuad.h.

◆ GetNumberOfEdges()

int vtkQuad::GetNumberOfEdges ( )
inlineoverridevirtual

See the vtkCell API for descriptions of these methods.

Implements vtkCell.

Definition at line 99 of file vtkQuad.h.

◆ GetNumberOfFaces()

int vtkQuad::GetNumberOfFaces ( )
inlineoverridevirtual

See the vtkCell API for descriptions of these methods.

Implements vtkCell.

Definition at line 100 of file vtkQuad.h.

◆ GetEdge()

vtkCell* vtkQuad::GetEdge ( int  edgeId)
overridevirtual

See the vtkCell API for descriptions of these methods.

Implements vtkCell.

◆ GetFace()

vtkCell* vtkQuad::GetFace ( int  )
inlineoverridevirtual

See the vtkCell API for descriptions of these methods.

Implements vtkCell.

Definition at line 102 of file vtkQuad.h.

◆ CellBoundary()

int vtkQuad::CellBoundary ( int  subId,
const double  pcoords[3],
vtkIdList pts 
)
overridevirtual

See the vtkCell API for descriptions of these methods.

Implements vtkCell.

◆ Contour()

void vtkQuad::Contour ( double  value,
vtkDataArray cellScalars,
vtkIncrementalPointLocator locator,
vtkCellArray verts,
vtkCellArray lines,
vtkCellArray polys,
vtkPointData inPd,
vtkPointData outPd,
vtkCellData inCd,
vtkIdType  cellId,
vtkCellData outCd 
)
overridevirtual

See the vtkCell API for descriptions of these methods.

Implements vtkCell.

◆ EvaluatePosition()

int vtkQuad::EvaluatePosition ( const double  x[3],
double  closestPoint[3],
int &  subId,
double  pcoords[3],
double &  dist2,
double  weights[] 
)
overridevirtual

See the vtkCell API for descriptions of these methods.

Implements vtkCell.

◆ EvaluateLocation()

void vtkQuad::EvaluateLocation ( int &  subId,
const double  pcoords[3],
double  x[3],
double *  weights 
)
overridevirtual

See the vtkCell API for descriptions of these methods.

Implements vtkCell.

◆ IntersectWithLine()

int vtkQuad::IntersectWithLine ( const double  p1[3],
const double  p2[3],
double  tol,
double &  t,
double  x[3],
double  pcoords[3],
int &  subId 
)
overridevirtual

See the vtkCell API for descriptions of these methods.

Implements vtkCell.

◆ TriangulateLocalIds()

int vtkQuad::TriangulateLocalIds ( int  index,
vtkIdList ptIds 
)
overridevirtual

See the vtkCell API for descriptions of these methods.

Implements vtkCell.

◆ Derivatives()

void vtkQuad::Derivatives ( int  subId,
const double  pcoords[3],
const double *  values,
int  dim,
double *  derivs 
)
overridevirtual

See the vtkCell API for descriptions of these methods.

Implements vtkCell.

◆ GetParametricCoords()

double* vtkQuad::GetParametricCoords ( )
overridevirtual

See the vtkCell API for descriptions of these methods.

Reimplemented from vtkCell.

◆ GetParametricCenter()

int vtkQuad::GetParametricCenter ( double  pcoords[3])
inlineoverridevirtual

Return the center of the triangle in parametric coordinates.

Reimplemented from vtkCell.

Definition at line 170 of file vtkQuad.h.

◆ Clip()

void vtkQuad::Clip ( double  value,
vtkDataArray cellScalars,
vtkIncrementalPointLocator locator,
vtkCellArray polys,
vtkPointData inPd,
vtkPointData outPd,
vtkCellData inCd,
vtkIdType  cellId,
vtkCellData outCd,
int  insideOut 
)
overridevirtual

Clip this quad using scalar value provided.

Like contouring, except that it cuts the quad to produce other quads and/or triangles.

Implements vtkCell.

◆ InterpolationFunctions()

static void vtkQuad::InterpolationFunctions ( const double  pcoords[3],
double  sf[4] 
)
static

◆ InterpolationDerivs()

static void vtkQuad::InterpolationDerivs ( const double  pcoords[3],
double  derivs[8] 
)
static

◆ InterpolateFunctions()

void vtkQuad::InterpolateFunctions ( const double  pcoords[3],
double  sf[4] 
)
inlineoverride

Compute the interpolation functions/derivatives (aka shape functions/derivatives)

Definition at line 138 of file vtkQuad.h.

◆ InterpolateDerivs()

void vtkQuad::InterpolateDerivs ( const double  pcoords[3],
double  derivs[8] 
)
inlineoverride

Compute the interpolation functions/derivatives (aka shape functions/derivatives)

Definition at line 142 of file vtkQuad.h.

◆ GetEdgeArray()

const vtkIdType* vtkQuad::GetEdgeArray ( vtkIdType  edgeId)

Return the ids of the vertices defining edge (edgeId).

Ids are related to the cell, not to the dataset.

Note
The return type changed. It used to be int*, it is now const vtkIdType*. This is so ids are unified between vtkCell and vtkPoints, and so vtkCell ids can be used as inputs in algorithms such as vtkPolygon::ComputeNormal.

Member Data Documentation

◆ Line

vtkLine* vtkQuad::Line
protected

Definition at line 162 of file vtkQuad.h.

◆ Triangle

vtkTriangle* vtkQuad::Triangle
protected

Definition at line 163 of file vtkQuad.h.


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