VTK  9.3.1
vtkDGHex.h
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1 // SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
2 // SPDX-License-Identifier: BSD-3-Clause
14 #ifndef vtkDGHex_h
15 #define vtkDGHex_h
16 
17 #include "vtkFiltersCellGridModule.h" // for export macro
18 
19 #include "vtkDGCell.h"
20 #include "vtkStringToken.h" // for vtkStringToken::Hash
21 
22 VTK_ABI_NAMESPACE_BEGIN
23 class vtkCellGrid;
25 class vtkCellAttribute;
26 
27 class VTKFILTERSCELLGRID_EXPORT vtkDGHex : public vtkDGCell
28 {
29 public:
30  static vtkDGHex* New();
31 
32  vtkTypeMacro(vtkDGHex, vtkDGCell);
33  void PrintSelf(ostream& os, vtkIndent indent) override;
34 
35  vtkIdType GetNumberOfCells() override;
36 
37  Shape GetShape() const override { return Shape::Hexahedron; }
38  int GetDimension() const override { return vtkDGHex::Dimension; }
39  const std::array<double, 3>& GetCornerParameter(int corner) const override;
40  int GetNumberOfSideTypes() const override;
41  std::pair<int, int> GetSideRangeForType(int sideType) const override;
42  int GetNumberOfSidesOfDimension(int dimension) const override;
43  const std::vector<vtkIdType>& GetSideConnectivity(int side) const override;
44  Shape GetSideShape(int side) const override;
45 
46  vtkTypeFloat32Array* GetReferencePoints() const override;
47  vtkTypeInt32Array* GetSideConnectivity() const override;
48  vtkTypeInt32Array* GetSideOffsetsAndShapes() const override;
49 
50  static constexpr int Dimension = 3;
51  static const std::array<std::array<double, 3>, 8> Parameters;
52  static const std::array<std::vector<vtkIdType>, 26> Sides;
53  static const std::array<int, Dimension + 1> SideOffsets;
54  static const std::array<Shape, Dimension + 1> SideShapes;
55 
56 protected:
57  vtkDGHex();
58  ~vtkDGHex() override;
59 
60 private:
61  vtkDGHex(const vtkDGHex&) = delete;
62  void operator=(const vtkDGHex&) = delete;
63 };
64 
65 VTK_ABI_NAMESPACE_END
66 #endif
static const std::array< Shape, Dimension+1 > SideShapes
Definition: vtkDGHex.h:54
virtual std::pair< int, int > GetSideRangeForType(int sideType) const =0
Return the range of sides of the ii-th type, where ii is in [0, this->GetNumberOfSideTypes()[.
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
virtual int GetNumberOfSidesOfDimension(int dimension) const =0
Return the number of boundaries this type of cell has of a given dimension.
virtual vtkIdType GetNumberOfCells()
Return the number of cells of this type in the parent cell-grid object.
int vtkIdType
Definition: vtkType.h:315
virtual vtkTypeInt32Array * GetSideOffsetsAndShapes() const =0
Return a singleton array initialized with 2-tuples of (offset, shape) values.
static const std::array< int, Dimension+1 > SideOffsets
Definition: vtkDGHex.h:53
Visualization data composed of cells of arbitrary type.
Definition: vtkCellGrid.h:41
virtual vtkTypeInt32Array * GetSideConnectivity() const =0
Return a singleton array initialized with point-ids of each side's corners.
static const std::array< std::vector< vtkIdType >, 26 > Sides
Definition: vtkDGHex.h:52
a simple class to control print indentation
Definition: vtkIndent.h:28
A function defined over the physical domain of a vtkCellGrid.
virtual Shape GetSideShape(int side) const =0
For a given side, return its cell shape.
virtual int GetNumberOfSideTypes() const =0
Return the number of different side shapes of this cell type.
Base class for a discontinuous Galerkin cells of all shapes.
Definition: vtkDGCell.h:36
represent and manipulate attribute data in a dataset
Metadata for a discontinuous Galerkin hexahedron.
Definition: vtkDGHex.h:27
static const std::array< std::array< double, 3 >, 8 > Parameters
Definition: vtkDGHex.h:51
Shape GetShape() const override
Return the topological shape of this cell type.
Definition: vtkDGHex.h:37
static vtkObject * New()
Create an object with Debug turned off, modified time initialized to zero, and reference counting on...
virtual const std::array< double, 3 > & GetCornerParameter(int corner) const =0
Return the coordinates of the reference element's corner vertex.
virtual vtkTypeFloat32Array * GetReferencePoints() const =0
Return a singleton array initialized with the reference-cell's corner point coordinates.
int GetDimension() const override
Return the parametric dimension of this cell type (0, 1, 2, or 3).
Definition: vtkDGHex.h:38
Shape
All possible shapes for DG cells.
Definition: vtkDGCell.h:43
static constexpr int Dimension
Definition: vtkDGHex.h:50