VTK  9.0.1
vtkQuadraticTriangle.h
Go to the documentation of this file.
1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkQuadraticTriangle.h
5 
6  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
7  All rights reserved.
8  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
9 
10  This software is distributed WITHOUT ANY WARRANTY; without even
11  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
12  PURPOSE. See the above copyright notice for more information.
13 
14 =========================================================================*/
33 #ifndef vtkQuadraticTriangle_h
34 #define vtkQuadraticTriangle_h
35 
36 #include "vtkCommonDataModelModule.h" // For export macro
37 #include "vtkNonLinearCell.h"
38 
39 class vtkQuadraticEdge;
40 class vtkTriangle;
41 class vtkDoubleArray;
42 
43 class VTKCOMMONDATAMODEL_EXPORT vtkQuadraticTriangle : public vtkNonLinearCell
44 {
45 public:
46  static vtkQuadraticTriangle* New();
48  void PrintSelf(ostream& os, vtkIndent indent) override;
49 
51 
55  int GetCellType() override { return VTK_QUADRATIC_TRIANGLE; }
56  int GetCellDimension() override { return 2; }
57  int GetNumberOfEdges() override { return 3; }
58  int GetNumberOfFaces() override { return 0; }
59  vtkCell* GetEdge(int edgeId) override;
60  vtkCell* GetFace(int) override { return nullptr; }
62 
63  int CellBoundary(int subId, const double pcoords[3], vtkIdList* pts) override;
64  void Contour(double value, vtkDataArray* cellScalars, vtkIncrementalPointLocator* locator,
65  vtkCellArray* verts, vtkCellArray* lines, vtkCellArray* polys, vtkPointData* inPd,
66  vtkPointData* outPd, vtkCellData* inCd, vtkIdType cellId, vtkCellData* outCd) override;
67  int EvaluatePosition(const double x[3], double closestPoint[3], int& subId, double pcoords[3],
68  double& dist2, double weights[]) override;
69  void EvaluateLocation(int& subId, const double pcoords[3], double x[3], double* weights) override;
70  int Triangulate(int index, vtkIdList* ptIds, vtkPoints* pts) override;
71  void Derivatives(
72  int subId, const double pcoords[3], const double* values, int dim, double* derivs) override;
73  double* GetParametricCoords() override;
74 
80  void Clip(double value, vtkDataArray* cellScalars, vtkIncrementalPointLocator* locator,
81  vtkCellArray* polys, vtkPointData* inPd, vtkPointData* outPd, vtkCellData* inCd,
82  vtkIdType cellId, vtkCellData* outCd, int insideOut) override;
83 
88  int IntersectWithLine(const double p1[3], const double p2[3], double tol, double& t, double x[3],
89  double pcoords[3], int& subId) override;
90 
94  int GetParametricCenter(double pcoords[3]) override;
95 
100  double GetParametricDistance(const double pcoords[3]) override;
101 
102  static void InterpolationFunctions(const double pcoords[3], double weights[6]);
103  static void InterpolationDerivs(const double pcoords[3], double derivs[12]);
105 
109  void InterpolateFunctions(const double pcoords[3], double weights[6]) override
110  {
112  }
113  void InterpolateDerivs(const double pcoords[3], double derivs[12]) override
114  {
116  }
118 
119 protected:
121  ~vtkQuadraticTriangle() override;
122 
125  vtkDoubleArray* Scalars; // used to avoid New/Delete in contouring/clipping
126 
127 private:
129  void operator=(const vtkQuadraticTriangle&) = delete;
130 };
131 //----------------------------------------------------------------------------
132 inline int vtkQuadraticTriangle::GetParametricCenter(double pcoords[3])
133 {
134  pcoords[0] = pcoords[1] = 1. / 3;
135  pcoords[2] = 0.0;
136  return 0;
137 }
138 
139 #endif
vtkPoints
represent and manipulate 3D points
Definition: vtkPoints.h:33
vtkQuadraticTriangle::InterpolateFunctions
void InterpolateFunctions(const double pcoords[3], double weights[6]) override
Compute the interpolation functions/derivatives (aka shape functions/derivatives)
Definition: vtkQuadraticTriangle.h:109
vtkCell::IntersectWithLine
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.
vtkCell::Contour
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.
vtkPointData
represent and manipulate point attribute data
Definition: vtkPointData.h:31
vtkX3D::value
@ value
Definition: vtkX3D.h:226
vtkQuadraticTriangle::GetFace
vtkCell * GetFace(int) override
Return the face cell from the faceId of the cell.
Definition: vtkQuadraticTriangle.h:60
vtkIdType
int vtkIdType
Definition: vtkType.h:338
vtkQuadraticTriangle::GetCellDimension
int GetCellDimension() override
Return the topological dimensional of the cell (0,1,2, or 3).
Definition: vtkQuadraticTriangle.h:56
vtkObject::New
static vtkObject * New()
Create an object with Debug turned off, modified time initialized to zero, and reference counting on.
vtkQuadraticTriangle::Scalars
vtkDoubleArray * Scalars
Definition: vtkQuadraticTriangle.h:125
vtkQuadraticTriangle
cell represents a parabolic, isoparametric triangle
Definition: vtkQuadraticTriangle.h:43
vtkDataArray
abstract superclass for arrays of numeric data
Definition: vtkDataArray.h:49
vtkCell::EvaluateLocation
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.
vtkQuadraticTriangle::GetNumberOfEdges
int GetNumberOfEdges() override
Return the number of edges in the cell.
Definition: vtkQuadraticTriangle.h:57
vtkQuadraticTriangle::InterpolationFunctions
static void InterpolationFunctions(const double pcoords[3], double weights[6])
vtkCell::Triangulate
virtual int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts)=0
Generate simplices of proper dimension.
vtkCell
abstract class to specify cell behavior
Definition: vtkCell.h:56
vtkCellData
represent and manipulate cell attribute data
Definition: vtkCellData.h:32
vtkIndent
a simple class to control print indentation
Definition: vtkIndent.h:33
vtkCellArray
object to represent cell connectivity
Definition: vtkCellArray.h:179
vtkIncrementalPointLocator
Abstract class in support of both point location and point insertion.
Definition: vtkIncrementalPointLocator.h:51
vtkIdList
list of point or cell ids
Definition: vtkIdList.h:30
vtkQuadraticTriangle::GetNumberOfFaces
int GetNumberOfFaces() override
Return the number of faces in the cell.
Definition: vtkQuadraticTriangle.h:58
vtkQuadraticTriangle::InterpolateDerivs
void InterpolateDerivs(const double pcoords[3], double derivs[12]) override
Definition: vtkQuadraticTriangle.h:113
VTK_QUADRATIC_TRIANGLE
@ VTK_QUADRATIC_TRIANGLE
Definition: vtkCellType.h:66
vtkTriangle
a cell that represents a triangle
Definition: vtkTriangle.h:35
vtkCell::CellBoundary
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 i...
vtkQuadraticTriangle::GetParametricCenter
int GetParametricCenter(double pcoords[3]) override
Return the center of the quadratic triangle in parametric coordinates.
Definition: vtkQuadraticTriangle.h:132
vtkNonLinearCell.h
vtkCell::GetParametricDistance
virtual double GetParametricDistance(const double pcoords[3])
Return the distance of the parametric coordinate provided to the cell.
vtkCell::EvaluatePosition
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; ev...
vtkCell::GetParametricCoords
virtual double * GetParametricCoords())
Return a contiguous array of parametric coordinates of the points defining this cell.
vtkNonLinearCell
abstract superclass for non-linear cells
Definition: vtkNonLinearCell.h:36
vtkCell::Clip
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.
vtkCell::GetEdge
virtual vtkCell * GetEdge(int edgeId)=0
Return the edge cell from the edgeId of the cell.
vtkNonLinearCell::PrintSelf
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
vtkQuadraticTriangle::Face
vtkTriangle * Face
Definition: vtkQuadraticTriangle.h:124
vtkQuadraticTriangle::Edge
vtkQuadraticEdge * Edge
Definition: vtkQuadraticTriangle.h:123
vtkCell::Derivatives
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.
vtkCell::GetParametricCenter
virtual int GetParametricCenter(double pcoords[3])
Return center of the cell in parametric coordinates.
vtkDoubleArray
dynamic, self-adjusting array of double
Definition: vtkDoubleArray.h:35
vtkQuadraticTriangle::GetCellType
int GetCellType() override
Implement the vtkCell API.
Definition: vtkQuadraticTriangle.h:55
vtkQuadraticTriangle::InterpolationDerivs
static void InterpolationDerivs(const double pcoords[3], double derivs[12])
vtkX3D::index
@ index
Definition: vtkX3D.h:252
vtkQuadraticEdge
cell represents a parabolic, isoparametric edge
Definition: vtkQuadraticEdge.h:40