VTK  9.0.20200918
vtkHigherOrderCurve.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkHigherOrderCurve.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 =========================================================================*/
15 // .NAME vtkHigherOrderCurve
16 // .SECTION Description
17 // .SECTION See Also
18 
19 #ifndef vtkHigherOrderCurve_h
20 #define vtkHigherOrderCurve_h
21 
22 #include "vtkCellType.h" // For GetCellType.
23 #include "vtkCommonDataModelModule.h" // For export macro
24 #include "vtkNew.h" // For member variable.
25 #include "vtkNonLinearCell.h"
26 #include "vtkSmartPointer.h" // For member variable.
27 
28 class vtkCellData;
29 class vtkDoubleArray;
30 class vtkIdList;
31 class vtkLine;
32 class vtkPointData;
33 class vtkPoints;
34 class vtkVector3d;
35 class vtkVector3i;
36 
37 class VTKCOMMONDATAMODEL_EXPORT vtkHigherOrderCurve : public vtkNonLinearCell
38 {
39 public:
41  void PrintSelf(ostream& os, vtkIndent indent) override;
42 
43  int GetCellType() override = 0;
44  int GetCellDimension() override { return 1; }
45  int RequiresInitialization() override { return 1; }
46  int GetNumberOfEdges() override { return 0; }
47  int GetNumberOfFaces() override { return 0; }
48  vtkCell* GetEdge(int) override { return nullptr; }
49  vtkCell* GetFace(int) override { return nullptr; }
50 
51  void Initialize() override;
52 
53  int CellBoundary(int subId, const double pcoords[3], vtkIdList* pts) override;
54  int EvaluatePosition(const double x[3], double closestPoint[3], int& subId, double pcoords[3],
55  double& dist2, double weights[]) override;
56  void EvaluateLocation(int& subId, const double pcoords[3], double x[3], double* weights) override;
57  void Contour(double value, vtkDataArray* cellScalars, vtkIncrementalPointLocator* locator,
58  vtkCellArray* verts, vtkCellArray* lines, vtkCellArray* polys, vtkPointData* inPd,
59  vtkPointData* outPd, vtkCellData* inCd, vtkIdType cellId, vtkCellData* outCd) override;
60  void Clip(double value, vtkDataArray* cellScalars, vtkIncrementalPointLocator* locator,
61  vtkCellArray* polys, vtkPointData* inPd, vtkPointData* outPd, vtkCellData* inCd,
62  vtkIdType cellId, vtkCellData* outCd, int insideOut) override;
63  int IntersectWithLine(const double p1[3], const double p2[3], double tol, double& t, double x[3],
64  double pcoords[3], int& subId) override;
65  int Triangulate(int index, vtkIdList* ptIds, vtkPoints* pts) override;
66  void Derivatives(
67  int subId, const double pcoords[3], const double* values, int dim, double* derivs) override;
68  void SetParametricCoords();
69  double* GetParametricCoords() override;
70  int GetParametricCenter(double center[3]) override;
71 
72  double GetParametricDistance(const double pcoords[3]) override;
73 
74  const int* GetOrder();
75  int GetOrder(int i) { return this->GetOrder()[i]; }
76 
77  void InterpolateFunctions(const double pcoords[3], double* weights) override = 0;
78  void InterpolateDerivs(const double pcoords[3], double* derivs) override = 0;
79 
80  bool SubCellCoordinatesFromId(vtkVector3i& ijk, int subId);
81  bool SubCellCoordinatesFromId(int& i, int subId);
82  int PointIndexFromIJK(int i, int, int);
83  bool TransformApproxToCellParams(int subCell, double* pcoords);
84 
85 protected:
87  ~vtkHigherOrderCurve() override;
88 
89  vtkLine* GetApprox();
90  void PrepareApproxData(
91  vtkPointData* pd, vtkCellData* cd, vtkIdType cellId, vtkDataArray* cellScalars);
92  virtual vtkLine* GetApproximateLine(
93  int subId, vtkDataArray* scalarsIn = nullptr, vtkDataArray* scalarsOut = nullptr) = 0;
94 
95  int Order[2];
104 
105 private:
106  vtkHigherOrderCurve(const vtkHigherOrderCurve&) = delete;
107  void operator=(const vtkHigherOrderCurve&) = delete;
108 };
109 
111 {
112  center[0] = 0.5;
113  center[1] = center[2] = 0.0;
114  return 0;
115 }
116 
117 #endif // vtkHigherOrderCurve_h
vtkPoints
represent and manipulate 3D points
Definition: vtkPoints.h:33
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.
vtkHigherOrderCurve::ApproxPD
vtkSmartPointer< vtkPointData > ApproxPD
Definition: vtkHigherOrderCurve.h:98
vtkHigherOrderCurve::PointParametricCoordinates
vtkSmartPointer< vtkPoints > PointParametricCoordinates
Definition: vtkHigherOrderCurve.h:96
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:32
vtkX3D::value
Definition: vtkX3D.h:226
vtkIdType
int vtkIdType
Definition: vtkType.h:330
vtkHigherOrderCurve::GetCellDimension
int GetCellDimension() override
Return the topological dimensional of the cell (0,1,2, or 3).
Definition: vtkHigherOrderCurve.h:44
vtkHigherOrderCurve::GetNumberOfEdges
int GetNumberOfEdges() override
Return the number of edges in the cell.
Definition: vtkHigherOrderCurve.h:46
vtkHigherOrderCurve::Scalars
vtkNew< vtkDoubleArray > Scalars
Definition: vtkHigherOrderCurve.h:101
vtkCell::Initialize
virtual void Initialize()
Definition: vtkCell.h:112
vtkHigherOrderCurve::GetFace
vtkCell * GetFace(int) override
Return the face cell from the faceId of the cell.
Definition: vtkHigherOrderCurve.h:49
vtkHigherOrderCurve::GetParametricCenter
int GetParametricCenter(double center[3]) override
Return center of the cell in parametric coordinates.
Definition: vtkHigherOrderCurve.h:110
vtkSmartPointer< vtkPoints >
vtkHigherOrderCurve::Approx
vtkSmartPointer< vtkLine > Approx
Definition: vtkHigherOrderCurve.h:97
vtkX3D::center
Definition: vtkX3D.h:236
vtkDataArray
abstract superclass for arrays of numeric data
Definition: vtkDataArray.h:49
vtkCell::GetCellType
virtual int GetCellType()=0
Return the type of cell.
vtkHigherOrderCurve
Definition: vtkHigherOrderCurve.h:37
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.
vtkLine
cell represents a 1D line
Definition: vtkLine.h:29
vtkVector3i
Definition: vtkVector.h:462
vtkHigherOrderCurve::CellScalars
vtkNew< vtkDoubleArray > CellScalars
Definition: vtkHigherOrderCurve.h:100
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:57
vtkHigherOrderCurve::GetOrder
int GetOrder(int i)
Definition: vtkHigherOrderCurve.h:75
vtkCellData
represent and manipulate cell attribute data
Definition: vtkCellData.h:32
vtkHigherOrderCurve::TmpIds
vtkNew< vtkIdList > TmpIds
Definition: vtkHigherOrderCurve.h:103
vtkIndent
a simple class to control print indentation
Definition: vtkIndent.h:33
vtkCellArray
object to represent cell connectivity
Definition: vtkCellArray.h:180
vtkHigherOrderCurve::RequiresInitialization
int RequiresInitialization() override
Some cells require initialization prior to access.
Definition: vtkHigherOrderCurve.h:45
vtkCellType.h
vtkSmartPointer.h
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
vtkNew< vtkDoubleArray >
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...
vtkNonLinearCell.h
vtkCell::InterpolateDerivs
virtual void InterpolateDerivs(const double vtkNotUsed(pcoords)[3], double *vtkNotUsed(derivs))
Definition: vtkCell.h:391
vtkHigherOrderCurve::GetNumberOfFaces
int GetNumberOfFaces() override
Return the number of faces in the cell.
Definition: vtkHigherOrderCurve.h:47
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.
vtkNew.h
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.
vtkNonLinearCell::PrintSelf
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
vtkCell::InterpolateFunctions
virtual void InterpolateFunctions(const double vtkNotUsed(pcoords)[3], double *vtkNotUsed(weight))
Compute the interpolation functions/derivatives (aka shape functions/derivatives) No-ops at this leve...
Definition: vtkCell.h:388
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
vtkX3D::index
Definition: vtkX3D.h:252
vtkHigherOrderCurve::TmpPts
vtkNew< vtkPoints > TmpPts
Definition: vtkHigherOrderCurve.h:102
vtkVector3d
Definition: vtkVector.h:488
vtkHigherOrderCurve::ApproxCD
vtkSmartPointer< vtkCellData > ApproxCD
Definition: vtkHigherOrderCurve.h:99
vtkHigherOrderCurve::GetEdge
vtkCell * GetEdge(int) override
Return the edge cell from the edgeId of the cell.
Definition: vtkHigherOrderCurve.h:48