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/*=========================================================================
Program: Visualization Toolkit
Module: vtkHigherOrderHexahedron.h
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
/**
* @class vtkHigherOrderHexahedron
* @brief A 3D cell that represents an arbitrary order HigherOrder hex
*
* vtkHigherOrderHexahedron is a concrete implementation of vtkCell to represent a
* 3D hexahedron using HigherOrder shape functions of user specified order.
*
* @sa
* vtkHexahedron
*/
#ifndef vtkHigherOrderHexahedron_h
#define vtkHigherOrderHexahedron_h
#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.
#include <functional> //For std::function
class vtkCellData;
class vtkDoubleArray;
class vtkHexahedron;
class vtkIdList;
class vtkHigherOrderCurve;
class vtkHigherOrderInterpolation;
class vtkHigherOrderQuadrilateral;
class vtkPointData;
class vtkPoints;
class vtkVector3d;
class vtkVector3i;
class VTKCOMMONDATAMODEL_EXPORT vtkHigherOrderHexahedron : public vtkNonLinearCell
{
public:
vtkTypeMacro(vtkHigherOrderHexahedron, vtkNonLinearCell);
void PrintSelf(ostream& os, vtkIndent indent) override;
int GetCellType() override = 0;
int GetCellDimension() override { return 3; }
int RequiresInitialization() override { return 1; }
int GetNumberOfEdges() override { return 12; }
int GetNumberOfFaces() override { return 6; }
vtkCell* GetEdge(int edgeId) override = 0;
vtkCell* GetFace(int faceId) override = 0;
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 SetFaceIdsAndPoints(vtkHigherOrderQuadrilateral* result, int faceId,
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 Triangulate(int index, vtkIdList* ptIds, vtkPoints* pts) 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, const vtkIdType numPts, const vtkIdType cell_id);
virtual void SetUniformOrderFromNumPoints(const vtkIdType numPts);
virtual void SetOrder(const int s, const int t, const int u);
virtual const int* GetOrder();
virtual int GetOrder(int i) { return this->GetOrder()[i]; }
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);
static int PointIndexFromIJK(int i, int j, int k, const int* order);
int PointIndexFromIJK(int i, int j, int k);
bool TransformApproxToCellParams(int subCell, double* pcoords);
bool TransformFaceToCellParams(int bdyFace, double* pcoords);
virtual vtkHigherOrderCurve* getEdgeCell() = 0;
virtual vtkHigherOrderQuadrilateral* getFaceCell() = 0;
virtual vtkHigherOrderInterpolation* getInterp() = 0;
static vtkIdType NodeNumberingMappingFromVTK8To9(
const int order[3], const vtkIdType node_id_vtk8);
protected:
vtkHigherOrderHexahedron();
~vtkHigherOrderHexahedron() override;
vtkHexahedron* GetApprox();
void PrepareApproxData(
vtkPointData* pd, vtkCellData* cd, vtkIdType cellId, vtkDataArray* cellScalars);
virtual vtkHexahedron* GetApproximateHex(
int subId, vtkDataArray* scalarsIn = nullptr, vtkDataArray* scalarsOut = nullptr) = 0;
int Order[4];
vtkSmartPointer<vtkPoints> PointParametricCoordinates;
vtkSmartPointer<vtkHexahedron> Approx;
vtkSmartPointer<vtkPointData> ApproxPD;
vtkSmartPointer<vtkCellData> ApproxCD;
vtkNew<vtkDoubleArray> CellScalars;
vtkNew<vtkDoubleArray> Scalars;
vtkNew<vtkPoints> TmpPts;
vtkNew<vtkIdList> TmpIds;
private:
vtkHigherOrderHexahedron(const vtkHigherOrderHexahedron&) = delete;
void operator=(const vtkHigherOrderHexahedron&) = delete;
};
inline int vtkHigherOrderHexahedron::GetParametricCenter(double center[3])
{
center[0] = center[1] = center[2] = 0.5;
return 0;
}
#endif // vtkHigherOrderHexahedron_h
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