VTK  9.3.0
vtkCPExodusIIElementBlock.h
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1 // SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
2 // SPDX-License-Identifier: BSD-3-Clause
15 #ifndef vtkCPExodusIIElementBlock_h
16 #define vtkCPExodusIIElementBlock_h
17 
18 #include "vtkIOExodusModule.h" // For export macro
19 #include "vtkObject.h"
20 
21 #include "vtkMappedUnstructuredGrid.h" // For mapped unstructured grid wrapper
22 
23 #include <string> // For std::string
24 
25 VTK_ABI_NAMESPACE_BEGIN
26 class vtkGenericCell;
27 
28 class VTKIOEXODUS_EXPORT vtkCPExodusIIElementBlockImpl : public vtkObject
29 {
30 public:
32  void PrintSelf(ostream& os, vtkIndent indent) override;
34 
43  int* elements, const std::string& type, int numElements, int nodesPerElement);
44 
45  // API for vtkMappedUnstructuredGrid's implementation.
47  int GetCellType(vtkIdType cellId);
48  void GetCellPoints(vtkIdType cellId, vtkIdList* ptIds);
49  void GetFaceStream(vtkIdType cellId, vtkIdList* ptIds);
50  void GetPointCells(vtkIdType ptId, vtkIdList* cellIds);
54 
55  // This container is read only -- these methods do nothing but print a
56  // warning.
57  void Allocate(vtkIdType numCells, int extSize = 1000);
59  vtkIdType InsertNextCell(int type, vtkIdType npts, const vtkIdType ptIds[])
60  VTK_SIZEHINT(ptIds, npts);
61  vtkIdType InsertNextCell(int type, vtkIdType npts, const vtkIdType ptIds[], vtkIdType nfaces,
62  const vtkIdType faces[]) VTK_SIZEHINT(ptIds, npts) VTK_SIZEHINT(faces, nfaces);
63  void ReplaceCell(vtkIdType cellId, int npts, const vtkIdType pts[]) VTK_SIZEHINT(pts, npts);
64 
65 protected:
68 
69 private:
71  void operator=(const vtkCPExodusIIElementBlockImpl&) = delete;
72 
73  // Convert between Exodus node ids and VTK point ids.
74  static vtkIdType NodeToPoint(const int& id) { return static_cast<vtkIdType>(id - 1); }
75  static int PointToNode(const vtkIdType& id) { return static_cast<int>(id + 1); }
76 
77  // Convenience methods to get pointers into the element array.
78  int* GetElementStart(vtkIdType cellId) const
79  {
80  return this->Elements + (cellId * this->CellSize);
81  }
82  int* GetElementEnd(vtkIdType cellId) const
83  {
84  return this->Elements + (cellId * this->CellSize) + this->CellSize;
85  }
86  int* GetStart() const { return this->Elements; }
87  int* GetEnd() const { return this->Elements + (this->NumberOfCells * this->CellSize); }
88 
89  int* Elements;
90  int CellType;
91  int CellSize;
92  vtkIdType NumberOfCells;
93 };
94 
97 
98 VTK_ABI_NAMESPACE_END
99 #endif // vtkCPExodusIIElementBlock_h
vtkIdType InsertNextCell(int type, vtkIdList *ptIds)
static vtkCPExodusIIElementBlockImpl * New()
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
void GetIdsOfCellsOfType(int type, vtkIdTypeArray *array)
~vtkCPExodusIIElementBlockImpl() override
void GetCellPoints(vtkIdType cellId, vtkIdList *ptIds)
vtkIdType InsertNextCell(int type, vtkIdType npts, const vtkIdType ptIds[], vtkIdType nfaces, const vtkIdType faces[])
void ReplaceCell(vtkIdType cellId, int npts, const vtkIdType pts[])
int GetCellType(vtkIdType cellId)
void Allocate(vtkIdType numCells, int extSize=1000)
void GetPointCells(vtkIdType ptId, vtkIdList *cellIds)
vtkIdType InsertNextCell(int type, vtkIdType npts, const vtkIdType ptIds[])
bool SetExodusConnectivityArray(int *elements, const std::string &type, int numElements, int nodesPerElement)
Set the Exodus element block data.
void GetFaceStream(vtkIdType cellId, vtkIdList *ptIds)
Uses an Exodus II element block as a vtkMappedUnstructuredGrid's implementation.
provides thread-safe access to cells
list of point or cell ids
Definition: vtkIdList.h:32
dynamic, self-adjusting array of vtkIdType
a simple class to control print indentation
Definition: vtkIndent.h:38
abstract base class for most VTK objects
Definition: vtkObject.h:61
@ type
Definition: vtkX3D.h:516
@ string
Definition: vtkX3D.h:490
vtkMakeExportedMappedUnstructuredGrid(vtkCPExodusIIElementBlock, vtkCPExodusIIElementBlockImpl, VTKIOEXODUS_EXPORT)
int vtkIdType
Definition: vtkType.h:315
#define VTK_SIZEHINT(...)