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vtkPixel Class Reference

a cell that represents an orthogonal quadrilateral More...

#include <vtkPixel.h>

Inheritance diagram for vtkPixel:
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Collaboration diagram for vtkPixel:
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Public Types

typedef vtkCell Superclass
 
- Public Types inherited from vtkCell
typedef vtkObject Superclass
 
- Public Types inherited from vtkObject
typedef vtkObjectBase Superclass
 

Public Member Functions

virtual int IsA (const char *type)
 
vtkPixel * NewInstance () const
 
void PrintSelf (ostream &os, vtkIndent indent)
 
int GetParametricCenter (double pcoords[3])
 
int IntersectWithLine (double p1[3], double p2[3], double tol, double &t, double x[3], double pcoords[3], int &subId)
 
int Triangulate (int index, vtkIdList *ptIds, vtkPoints *pts)
 
void Derivatives (int subId, double pcoords[3], double *values, int dim, double *derivs)
 
virtual double * GetParametricCoords ()
 
int GetCellType ()
 
int GetCellDimension ()
 
int GetNumberOfEdges ()
 
int GetNumberOfFaces ()
 
vtkCell * GetEdge (int edgeId)
 
vtkCell * GetFace (int)
 
int CellBoundary (int subId, double pcoords[3], vtkIdList *pts)
 
void Contour (double value, vtkDataArray *cellScalars, vtkIncrementalPointLocator *locator, vtkCellArray *verts, vtkCellArray *lines, vtkCellArray *polys, vtkPointData *inPd, vtkPointData *outPd, vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd)
 
void Clip (double value, vtkDataArray *cellScalars, vtkIncrementalPointLocator *locator, vtkCellArray *polys, vtkPointData *inPd, vtkPointData *outPd, vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd, int insideOut)
 
int EvaluatePosition (double x[3], double *closestPoint, int &subId, double pcoords[3], double &dist2, double *weights)
 
void EvaluateLocation (int &subId, double pcoords[3], double x[3], double *weights)
 
virtual void InterpolateFunctions (double pcoords[3], double weights[4])
 
virtual void InterpolateDerivs (double pcoords[3], double derivs[8])
 
- Public Member Functions inherited from vtkCell
vtkCell * NewInstance () const
 
void Initialize (int npts, vtkIdType *pts, vtkPoints *p)
 
virtual void ShallowCopy (vtkCell *c)
 
virtual void DeepCopy (vtkCell *c)
 
virtual int IsLinear ()
 
virtual int IsExplicitCell ()
 
vtkPoints * GetPoints ()
 
vtkIdType GetNumberOfPoints ()
 
vtkIdList * GetPointIds ()
 
vtkIdType GetPointId (int ptId)
 
void GetBounds (double bounds[6])
 
double * GetBounds ()
 
double GetLength2 ()
 
virtual double GetParametricDistance (double pcoords[3])
 
virtual int IsPrimaryCell ()
 
virtual int RequiresInitialization ()
 
virtual void Initialize ()
 
virtual int RequiresExplicitFaceRepresentation ()
 
virtual void SetFaces (vtkIdType *vtkNotUsed(faces))
 
virtual vtkIdType * GetFaces ()
 
virtual void InterpolateFunctions (double vtkNotUsed(pcoords)[3], double *vtkNotUsed(weight))
 
virtual void InterpolateDerivs (double vtkNotUsed(pcoords)[3], double *vtkNotUsed(derivs))
 
- Public Member Functions inherited from vtkObject
vtkObject * NewInstance () const
 
virtual void DebugOn ()
 
virtual void DebugOff ()
 
bool GetDebug ()
 
void SetDebug (bool debugFlag)
 
virtual void Modified ()
 
virtual unsigned long GetMTime ()
 
unsigned long AddObserver (unsigned long event, vtkCommand *, float priority=0.0f)
 
unsigned long AddObserver (const char *event, vtkCommand *, float priority=0.0f)
 
vtkCommand * GetCommand (unsigned long tag)
 
void RemoveObserver (vtkCommand *)
 
void RemoveObservers (unsigned long event, vtkCommand *)
 
void RemoveObservers (const char *event, vtkCommand *)
 
int HasObserver (unsigned long event, vtkCommand *)
 
int HasObserver (const char *event, vtkCommand *)
 
void RemoveObserver (unsigned long tag)
 
void RemoveObservers (unsigned long event)
 
void RemoveObservers (const char *event)
 
void RemoveAllObservers ()
 
int HasObserver (unsigned long event)
 
int HasObserver (const char *event)
 
template<class U , class T >
unsigned long AddObserver (unsigned long event, U observer, void(T::*callback)(), float priority=0.0f)
 
template<class U , class T >
unsigned long AddObserver (unsigned long event, U observer, void(T::*callback)(vtkObject *, unsigned long, void *), float priority=0.0f)
 
template<class U , class T >
unsigned long AddObserver (unsigned long event, U observer, bool(T::*callback)(vtkObject *, unsigned long, void *), float priority=0.0f)
 
int InvokeEvent (unsigned long event, void *callData)
 
int InvokeEvent (const char *event, void *callData)
 
int InvokeEvent (unsigned long event)
 
int InvokeEvent (const char *event)
 
- Public Member Functions inherited from vtkObjectBase
const char * GetClassName () const
 
virtual void Delete ()
 
virtual void FastDelete ()
 
void Print (ostream &os)
 
virtual void Register (vtkObjectBase *o)
 
virtual void UnRegister (vtkObjectBase *o)
 
void SetReferenceCount (int)
 
void PrintRevisions (ostream &)
 
virtual void PrintHeader (ostream &os, vtkIndent indent)
 
virtual void PrintTrailer (ostream &os, vtkIndent indent)
 
int GetReferenceCount ()
 

Static Public Member Functions

static vtkPixel * New ()
 
static int IsTypeOf (const char *type)
 
static vtkPixel * SafeDownCast (vtkObjectBase *o)
 
static void InterpolationFunctions (double pcoords[3], double weights[4])
 
static void InterpolationDerivs (double pcoords[3], double derivs[8])
 
- Static Public Member Functions inherited from vtkCell
static int IsTypeOf (const char *type)
 
static vtkCell * SafeDownCast (vtkObjectBase *o)
 
- Static Public Member Functions inherited from vtkObject
static int IsTypeOf (const char *type)
 
static vtkObject * SafeDownCast (vtkObjectBase *o)
 
static vtkObject * New ()
 
static void BreakOnError ()
 
static void SetGlobalWarningDisplay (int val)
 
static void GlobalWarningDisplayOn ()
 
static void GlobalWarningDisplayOff ()
 
static int GetGlobalWarningDisplay ()
 
- Static Public Member Functions inherited from vtkObjectBase
static int IsTypeOf (const char *name)
 
static vtkObjectBase * New ()
 

Protected Member Functions

virtual vtkObjectBase * NewInstanceInternal () const
 
 vtkPixel ()
 
 ~vtkPixel ()
 
- Protected Member Functions inherited from vtkCell
 vtkCell ()
 
 ~vtkCell ()
 
- Protected Member Functions inherited from vtkObject
 vtkObject ()
 
virtual ~vtkObject ()
 
virtual void RegisterInternal (vtkObjectBase *, int check)
 
virtual void UnRegisterInternal (vtkObjectBase *, int check)
 
void InternalGrabFocus (vtkCommand *mouseEvents, vtkCommand *keypressEvents=NULL)
 
void InternalReleaseFocus ()
 
- Protected Member Functions inherited from vtkObjectBase
 vtkObjectBase ()
 
virtual ~vtkObjectBase ()
 
virtual void CollectRevisions (ostream &)
 
virtual void ReportReferences (vtkGarbageCollector *)
 
 vtkObjectBase (const vtkObjectBase &)
 
void operator= (const vtkObjectBase &)
 

Protected Attributes

vtkLine * Line
 
- Protected Attributes inherited from vtkCell
double Bounds [6]
 
- Protected Attributes inherited from vtkObject
bool Debug
 
vtkTimeStamp MTime
 
vtkSubjectHelper * SubjectHelper
 
- Protected Attributes inherited from vtkObjectBase
vtkAtomicInt32 ReferenceCount
 
vtkWeakPointerBase ** WeakPointers
 

Additional Inherited Members

- Public Attributes inherited from vtkCell
vtkPoints * Points
 
vtkIdList * PointIds
 

Detailed Description

a cell that represents an orthogonal quadrilateral

vtkPixel is a concrete implementation of vtkCell to represent a 2D orthogonal quadrilateral. Unlike vtkQuad, the corners are at right angles, and aligned along x-y-z coordinate axes leading to large increases in computational efficiency.

Examples:
vtkPixel (Examples)
Tests:
vtkPixel (Tests)

Definition at line 39 of file vtkPixel.h.

Member Typedef Documentation

typedef vtkCell vtkPixel::Superclass

Definition at line 43 of file vtkPixel.h.

Constructor & Destructor Documentation

vtkPixel::vtkPixel ( )
protected
vtkPixel::~vtkPixel ( )
protected

Member Function Documentation

static vtkPixel* vtkPixel::New ( )
static
static int vtkPixel::IsTypeOf ( const char *  type)
static
virtual int vtkPixel::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.

static vtkPixel* vtkPixel::SafeDownCast ( vtkObjectBase *  o)
static
virtual vtkObjectBase* vtkPixel::NewInstanceInternal ( ) const
protectedvirtual

Reimplemented from vtkCell.

vtkPixel* vtkPixel::NewInstance ( ) const
void vtkPixel::PrintSelf ( ostream &  os,
vtkIndent  indent 
)
virtual

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.

int vtkPixel::GetCellType ( )
inlinevirtual

See the vtkCell API for descriptions of these methods.

Implements vtkCell.

Definition at line 48 of file vtkPixel.h.

int vtkPixel::GetCellDimension ( )
inlinevirtual

See the vtkCell API for descriptions of these methods.

Implements vtkCell.

Definition at line 49 of file vtkPixel.h.

int vtkPixel::GetNumberOfEdges ( )
inlinevirtual

See the vtkCell API for descriptions of these methods.

Implements vtkCell.

Definition at line 50 of file vtkPixel.h.

int vtkPixel::GetNumberOfFaces ( )
inlinevirtual

See the vtkCell API for descriptions of these methods.

Implements vtkCell.

Definition at line 51 of file vtkPixel.h.

vtkCell* vtkPixel::GetEdge ( int  edgeId)
virtual

See the vtkCell API for descriptions of these methods.

Implements vtkCell.

vtkCell* vtkPixel::GetFace ( int  )
inlinevirtual

See the vtkCell API for descriptions of these methods.

Implements vtkCell.

Definition at line 53 of file vtkPixel.h.

int vtkPixel::CellBoundary ( int  subId,
double  pcoords[3],
vtkIdList *  pts 
)
virtual

See the vtkCell API for descriptions of these methods.

Implements vtkCell.

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

See the vtkCell API for descriptions of these methods.

Implements vtkCell.

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

See the vtkCell API for descriptions of these methods.

Implements vtkCell.

int vtkPixel::EvaluatePosition ( double  x[3],
double *  closestPoint,
int &  subId,
double  pcoords[3],
double &  dist2,
double *  weights 
)
virtual

See the vtkCell API for descriptions of these methods.

Implements vtkCell.

void vtkPixel::EvaluateLocation ( int &  subId,
double  pcoords[3],
double  x[3],
double *  weights 
)
virtual

See the vtkCell API for descriptions of these methods.

Implements vtkCell.

int vtkPixel::GetParametricCenter ( double  pcoords[3])
inlinevirtual

Return the center of the triangle in parametric coordinates.

Reimplemented from vtkCell.

Definition at line 111 of file vtkPixel.h.

int vtkPixel::IntersectWithLine ( double  p1[3],
double  p2[3],
double  tol,
double &  t,
double  x[3],
double  pcoords[3],
int &  subId 
)
virtual

Intersect with a ray. Return parametric coordinates (both line and cell) and global intersection coordinates, given ray definition p1[3], p2[3] and tolerance tol. The method returns non-zero value if intersection occurs. A parametric distance t between 0 and 1 along the ray representing the intersection point, the point coordinates x[3] in data coordinates and also pcoords[3] in parametric coordinates. subId is the index within the cell if a composed cell like a triangle strip.

Implements vtkCell.

int vtkPixel::Triangulate ( int  index,
vtkIdList *  ptIds,
vtkPoints *  pts 
)
virtual

Generate simplices of proper dimension. If cell is 3D, tetrahedron are generated; if 2D triangles; if 1D lines; if 0D points. The form of the output is a sequence of points, each n+1 points (where n is topological cell dimension) defining a simplex. The index is a parameter that controls which triangulation to use (if more than one is possible). If numerical degeneracy encountered, 0 is returned, otherwise 1 is returned. This method does not insert new points: all the points that define the simplices are the points that define the cell.

Implements vtkCell.

void vtkPixel::Derivatives ( int  subId,
double  pcoords[3],
double *  values,
int  dim,
double *  derivs 
)
virtual

Compute derivatives given cell subId and parametric coordinates. The values array is a series of data value(s) at the cell points. There is a one-to-one correspondence between cell point and data value(s). Dim is the number of data values per cell point. Derivs are derivatives in the x-y-z coordinate directions for each data value. Thus, if computing derivatives for a scalar function in a hexahedron, dim=1, 8 values are supplied, and 3 deriv values are returned (i.e., derivatives in x-y-z directions). On the other hand, if computing derivatives of velocity (vx,vy,vz) dim=3, 24 values are supplied ((vx,vy,vz)1, (vx,vy,vz)2, ....()8), and 9 deriv values are returned ((d(vx)/dx),(d(vx)/dy),(d(vx)/dz), (d(vy)/dx),(d(vy)/dy), (d(vy)/dz), (d(vz)/dx),(d(vz)/dy),(d(vz)/dz)).

Implements vtkCell.

virtual double* vtkPixel::GetParametricCoords ( )
virtual

Return a contiguous array of parametric coordinates of the points defining this cell. In other words, (px,py,pz, px,py,pz, etc..) The coordinates are ordered consistent with the definition of the point ordering for the cell. This method returns a non-NULL pointer when the cell is a primary type (i.e., IsPrimaryCell() is true). Note that 3D parametric coordinates are returned no matter what the topological dimension of the cell.

Reimplemented from vtkCell.

static void vtkPixel::InterpolationFunctions ( double  pcoords[3],
double  weights[4] 
)
static
Deprecated:
Replaced by vtkPixel::InterpolateFunctions as of VTK 5.2
static void vtkPixel::InterpolationDerivs ( double  pcoords[3],
double  derivs[8] 
)
static
Deprecated:
Replaced by vtkPixel::InterpolateDerivs as of VTK 5.2
virtual void vtkPixel::InterpolateFunctions ( double  pcoords[3],
double  weights[4] 
)
inlinevirtual

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

Definition at line 89 of file vtkPixel.h.

virtual void vtkPixel::InterpolateDerivs ( double  pcoords[3],
double  derivs[8] 
)
inlinevirtual

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

Definition at line 93 of file vtkPixel.h.

Member Data Documentation

vtkLine* vtkPixel::Line
protected

Definition at line 103 of file vtkPixel.h.

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