VTK  9.3.0
vtkHigherOrderCurve.h
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1 // SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
2 // SPDX-License-Identifier: BSD-3-Clause
3 // .NAME vtkHigherOrderCurve
4 // .SECTION Description
5 // .SECTION See Also
6 
7 #ifndef vtkHigherOrderCurve_h
8 #define vtkHigherOrderCurve_h
9 
10 #include "vtkCellType.h" // For GetCellType.
11 #include "vtkCommonDataModelModule.h" // For export macro
12 #include "vtkNew.h" // For member variable.
13 #include "vtkNonLinearCell.h"
14 #include "vtkSmartPointer.h" // For member variable.
15 
16 VTK_ABI_NAMESPACE_BEGIN
17 class vtkCellData;
18 class vtkDoubleArray;
19 class vtkIdList;
20 class vtkLine;
21 class vtkPointData;
22 class vtkPoints;
23 class vtkVector3d;
24 class vtkVector3i;
25 
26 class VTKCOMMONDATAMODEL_EXPORT vtkHigherOrderCurve : public vtkNonLinearCell
27 {
28 public:
30  void PrintSelf(ostream& os, vtkIndent indent) override;
31 
32  int GetCellType() override = 0;
33  int GetCellDimension() override { return 1; }
34  int RequiresInitialization() override { return 1; }
35  int GetNumberOfEdges() override { return 0; }
36  int GetNumberOfFaces() override { return 0; }
37  vtkCell* GetEdge(int) override { return nullptr; }
38  vtkCell* GetFace(int) override { return nullptr; }
39 
40  void Initialize() override;
41 
42  int CellBoundary(int subId, const double pcoords[3], vtkIdList* pts) override;
43  int EvaluatePosition(const double x[3], double closestPoint[3], int& subId, double pcoords[3],
44  double& dist2, double weights[]) override;
45  void EvaluateLocation(int& subId, const double pcoords[3], double x[3], double* weights) override;
46  void Contour(double value, vtkDataArray* cellScalars, vtkIncrementalPointLocator* locator,
47  vtkCellArray* verts, vtkCellArray* lines, vtkCellArray* polys, vtkPointData* inPd,
48  vtkPointData* outPd, vtkCellData* inCd, vtkIdType cellId, vtkCellData* outCd) override;
49  void Clip(double value, vtkDataArray* cellScalars, vtkIncrementalPointLocator* locator,
50  vtkCellArray* polys, vtkPointData* inPd, vtkPointData* outPd, vtkCellData* inCd,
51  vtkIdType cellId, vtkCellData* outCd, int insideOut) override;
52  int IntersectWithLine(const double p1[3], const double p2[3], double tol, double& t, double x[3],
53  double pcoords[3], int& subId) override;
54  int Triangulate(int index, vtkIdList* ptIds, vtkPoints* pts) override;
56  int subId, const double pcoords[3], const double* values, int dim, double* derivs) override;
58  double* GetParametricCoords() override;
59  int GetParametricCenter(double center[3]) override;
60 
61  double GetParametricDistance(const double pcoords[3]) override;
62 
63  const int* GetOrder();
64  int GetOrder(int i) { return this->GetOrder()[i]; }
69  static bool PointCountSupportsUniformOrder(vtkIdType pointsPerCell);
70 
71  void InterpolateFunctions(const double pcoords[3], double* weights) override = 0;
72  void InterpolateDerivs(const double pcoords[3], double* derivs) override = 0;
73 
74  bool SubCellCoordinatesFromId(vtkVector3i& ijk, int subId);
75  bool SubCellCoordinatesFromId(int& i, int subId);
76  int PointIndexFromIJK(int i, int, int);
77  bool TransformApproxToCellParams(int subCell, double* pcoords);
78 
79 protected:
82 
85  vtkPointData* pd, vtkCellData* cd, vtkIdType cellId, vtkDataArray* cellScalars);
87  int subId, vtkDataArray* scalarsIn = nullptr, vtkDataArray* scalarsOut = nullptr) = 0;
88 
89  int Order[2];
98 
99 private:
100  vtkHigherOrderCurve(const vtkHigherOrderCurve&) = delete;
101  void operator=(const vtkHigherOrderCurve&) = delete;
102 };
103 
105 {
106  center[0] = 0.5;
107  center[1] = center[2] = 0.0;
108  return 0;
109 }
110 
111 VTK_ABI_NAMESPACE_END
112 #endif // vtkHigherOrderCurve_h
object to represent cell connectivity
Definition: vtkCellArray.h:185
represent and manipulate cell attribute data
Definition: vtkCellData.h:40
abstract class to specify cell behavior
Definition: vtkCell.h:59
virtual int GetParametricCenter(double pcoords[3])
Return center of the cell in parametric coordinates.
abstract superclass for arrays of numeric data
Definition: vtkDataArray.h:54
dynamic, self-adjusting array of double
vtkCell * GetEdge(int) override
Return the edge cell from the edgeId of the cell.
vtkSmartPointer< vtkPointData > ApproxPD
void PrepareApproxData(vtkPointData *pd, vtkCellData *cd, vtkIdType cellId, vtkDataArray *cellScalars)
const int * GetOrder()
int RequiresInitialization() override
Some cells require initialization prior to access.
void EvaluateLocation(int &subId, const double pcoords[3], double x[3], double *weights) override
Determine global coordinate (x[3]) from subId and parametric coordinates.
void Derivatives(int subId, const double pcoords[3], const double *values, int dim, double *derivs) override
Compute derivatives given cell subId and parametric coordinates.
int CellBoundary(int subId, const double pcoords[3], vtkIdList *pts) override
Given parametric coordinates of a point, return the closest cell boundary, and whether the point is i...
double GetParametricDistance(const double pcoords[3]) override
Return the distance of the parametric coordinate provided to the cell.
int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts) override
Generate simplices of proper dimension.
void InterpolateFunctions(const double pcoords[3], double *weights) override=0
vtkSmartPointer< vtkCellData > ApproxCD
int IntersectWithLine(const double p1[3], const double p2[3], double tol, double &t, double x[3], double pcoords[3], int &subId) override
Intersect with a ray.
bool TransformApproxToCellParams(int subCell, double *pcoords)
int GetParametricCenter(double center[3]) override
Return center of the cell in parametric coordinates.
bool SubCellCoordinatesFromId(int &i, int subId)
vtkNew< vtkIdList > TmpIds
int GetNumberOfEdges() override
Return the number of edges in the cell.
int EvaluatePosition(const double x[3], double closestPoint[3], int &subId, double pcoords[3], double &dist2, double weights[]) override
Given a point x[3] return inside(=1), outside(=0) cell, or (-1) computational problem encountered; ev...
vtkNew< vtkPoints > TmpPts
void Initialize() override
void Clip(double value, vtkDataArray *cellScalars, vtkIncrementalPointLocator *locator, vtkCellArray *polys, vtkPointData *inPd, vtkPointData *outPd, vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd, int insideOut) override
Cut (or clip) the cell based on the input cellScalars and the specified value.
double * GetParametricCoords() override
Return a contiguous array of parametric coordinates of the points defining this cell.
vtkNew< vtkDoubleArray > CellScalars
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
Generate contouring primitives.
~vtkHigherOrderCurve() override
vtkLine * GetApprox()
int GetCellType() override=0
Return the type of cell.
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
int PointIndexFromIJK(int i, int, int)
vtkSmartPointer< vtkPoints > PointParametricCoordinates
static bool PointCountSupportsUniformOrder(vtkIdType pointsPerCell)
Return true if the number of points supports a cell of uniform degree along each axis.
vtkCell * GetFace(int) override
Return the face cell from the faceId of the cell.
int GetNumberOfFaces() override
Return the number of faces in the cell.
bool SubCellCoordinatesFromId(vtkVector3i &ijk, int subId)
virtual vtkLine * GetApproximateLine(int subId, vtkDataArray *scalarsIn=nullptr, vtkDataArray *scalarsOut=nullptr)=0
vtkSmartPointer< vtkLine > Approx
int GetCellDimension() override
Return the topological dimensional of the cell (0,1,2, or 3).
void InterpolateDerivs(const double pcoords[3], double *derivs) override=0
vtkNew< vtkDoubleArray > Scalars
list of point or cell ids
Definition: vtkIdList.h:32
Abstract class in support of both point location and point insertion.
a simple class to control print indentation
Definition: vtkIndent.h:38
cell represents a 1D line
Definition: vtkLine.h:32
abstract superclass for non-linear cells
represent and manipulate point attribute data
Definition: vtkPointData.h:39
represent and manipulate 3D points
Definition: vtkPoints.h:38
@ value
Definition: vtkX3D.h:220
@ center
Definition: vtkX3D.h:230
@ index
Definition: vtkX3D.h:246
int vtkIdType
Definition: vtkType.h:315