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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
// .NAME vtkHigherOrderQuadrilateral
// .SECTION Description
// .SECTION See Also
#ifndef vtkHigherOrderQuadrilateral_h
#define vtkHigherOrderQuadrilateral_h
#include <functional> //For std::function
#include "vtkCellType.h" // For GetCellType.
#include "vtkCommonDataModelModule.h" // For export macro
#include "vtkNew.h" // For member variable.
#include "vtkNonLinearCell.h"
#include "vtkSmartPointer.h" // For member variable.
VTK_ABI_NAMESPACE_BEGIN
class vtkCellData;
class vtkDoubleArray;
class vtkIdList;
class vtkHigherOrderCurve;
class vtkPointData;
class vtkPoints;
class vtkQuad;
class vtkVector3d;
class vtkVector3i;
class VTKCOMMONDATAMODEL_EXPORT vtkHigherOrderQuadrilateral : public vtkNonLinearCell
{
public:
vtkTypeMacro(vtkHigherOrderQuadrilateral, vtkNonLinearCell);
void PrintSelf(ostream& os, vtkIndent indent) override;
int GetCellType() override = 0;
int GetCellDimension() override { return 2; }
int RequiresInitialization() override { return 0; }
int GetNumberOfEdges() override { return 4; }
int GetNumberOfFaces() override { return 0; }
vtkCell* GetEdge(int edgeId) override = 0;
vtkCell* GetFace(int vtkNotUsed(faceId)) override { return nullptr; }
void SetEdgeIdsAndPoints(int edgeId,
const std::function<void(const vtkIdType&)>& set_number_of_ids_and_points,
const std::function<void(const vtkIdType&, const vtkIdType&)>& set_ids_and_points);
void Initialize() override;
int CellBoundary(int subId, const double pcoords[3], vtkIdList* pts) override;
int EvaluatePosition(const double x[3], double closestPoint[3], int& subId, double pcoords[3],
double& dist2, double weights[]) override;
void EvaluateLocation(int& subId, const double pcoords[3], double x[3], double* weights) override;
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;
void Clip(double value, vtkDataArray* cellScalars, vtkIncrementalPointLocator* locator,
vtkCellArray* polys, vtkPointData* inPd, vtkPointData* outPd, vtkCellData* inCd,
vtkIdType cellId, vtkCellData* outCd, int insideOut) override;
int IntersectWithLine(const double p1[3], const double p2[3], double tol, double& t, double x[3],
double pcoords[3], int& subId) override;
int TriangulateLocalIds(int index, vtkIdList* ptId) override;
void Derivatives(
int subId, const double pcoords[3], const double* values, int dim, double* derivs) override;
void SetParametricCoords();
double* GetParametricCoords() override;
int GetParametricCenter(double center[3]) override;
double GetParametricDistance(const double pcoords[3]) override;
virtual void SetOrderFromCellData(vtkCellData* cell_data, vtkIdType numPts, vtkIdType cell_id);
static void SetOrderFromCellData(
vtkCellData* cell_data, vtkIdType numPts, vtkIdType cell_id, int* order);
virtual void SetUniformOrderFromNumPoints(vtkIdType numPts);
virtual void SetOrder(int s, int t);
virtual const int* GetOrder();
virtual int GetOrder(int i) { return this->GetOrder()[i]; }
/// Return true if the number of points supports a cell of uniform
/// degree along each axis.
///
/// For quadrilaterals, \a pointsPerCell must be a perfect square >= 4.
static bool PointCountSupportsUniformOrder(vtkIdType pointsPerCell);
void InterpolateFunctions(const double pcoords[3], double* weights) override = 0;
void InterpolateDerivs(const double pcoords[3], double* derivs) override = 0;
bool SubCellCoordinatesFromId(vtkVector3i& ijk, int subId);
bool SubCellCoordinatesFromId(int& i, int& j, int& k, int subId);
int PointIndexFromIJK(int i, int j, int k);
static int PointIndexFromIJK(int i, int j, const int* order);
bool TransformApproxToCellParams(int subCell, double* pcoords);
virtual vtkHigherOrderCurve* GetEdgeCell() = 0;
protected:
vtkHigherOrderQuadrilateral();
~vtkHigherOrderQuadrilateral() override;
vtkQuad* GetApprox();
// The version of GetApproximateQuad between Lagrange and Bezier is different because Bezier is
// non-interpolatory
void PrepareApproxData(
vtkPointData* pd, vtkCellData* cd, vtkIdType cellId, vtkDataArray* cellScalars);
virtual vtkQuad* GetApproximateQuad(
int subId, vtkDataArray* scalarsIn = nullptr, vtkDataArray* scalarsOut = nullptr) = 0;
int Order[3];
vtkSmartPointer<vtkPoints> PointParametricCoordinates;
vtkSmartPointer<vtkQuad> Approx;
vtkSmartPointer<vtkPointData> ApproxPD;
vtkSmartPointer<vtkCellData> ApproxCD;
vtkNew<vtkDoubleArray> CellScalars;
vtkNew<vtkDoubleArray> Scalars;
private:
vtkHigherOrderQuadrilateral(const vtkHigherOrderQuadrilateral&) = delete;
void operator=(const vtkHigherOrderQuadrilateral&) = delete;
};
inline int vtkHigherOrderQuadrilateral::GetParametricCenter(double center[3])
{
center[0] = center[1] = 0.5;
center[2] = 0.0;
return 0;
}
VTK_ABI_NAMESPACE_END
#endif // vtkHigherOrderQuadrilateral_h
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