VTK
vtkExtentRCBPartitioner.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkExtentRCBPartitioner.h
5 
6  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
7  All rights reserved.
8  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
9 
10  This software is distributed WITHOUT ANY WARRANTY; without even
11  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
12  PURPOSE. See the above copyright notice for more information.
13 
14  =========================================================================*/
23 #ifndef vtkExtentRCBPartitioner_h
24 #define vtkExtentRCBPartitioner_h
25 
26 #include "vtkCommonExecutionModelModule.h" // For export macro
27 #include "vtkObject.h"
28 #include <vector> // For STL vector
29 #include <cassert> // For assert
30 #include <string> // For std::string
31 
32 class VTKCOMMONEXECUTIONMODEL_EXPORT vtkExtentRCBPartitioner : public vtkObject
33 {
34  public:
35  static vtkExtentRCBPartitioner *New();
37  void PrintSelf(ostream &oss, vtkIndent indent ) VTK_OVERRIDE;
38 
40 
43  void SetNumberOfPartitions( const int N )
44  {
45  assert( "pre: Number of partitions requested must be > 0" && (N >= 0) );
46  this->Reset();
47  this->NumberOfPartitions = N;
48  }
50 
52 
57  void SetGlobalExtent(int imin,int imax,int jmin,int jmax,int kmin,int kmax)
58  {
59  this->Reset();
60  this->GlobalExtent[0] = imin;
61  this->GlobalExtent[1] = imax;
62  this->GlobalExtent[2] = jmin;
63  this->GlobalExtent[3] = jmax;
64  this->GlobalExtent[4] = kmin;
65  this->GlobalExtent[5] = kmax;
66  }
67  void SetGlobalExtent( int ext[6] )
68  {
69  this->SetGlobalExtent( ext[0], ext[1], ext[2], ext[3], ext[4], ext[5] );
70  }
72 
74 
77  vtkSetMacro(DuplicateNodes,int);
78  vtkGetMacro(DuplicateNodes,int);
79  vtkBooleanMacro(DuplicateNodes,int);
81 
83 
86  vtkSetMacro(NumberOfGhostLayers,int);
87  vtkGetMacro(NumberOfGhostLayers,int);
89 
91 
94  vtkGetMacro(NumExtents,int);
96 
100  void Partition();
101 
105  void GetPartitionExtent( const int idx, int ext[6] );
106 
107  protected:
109  ~vtkExtentRCBPartitioner() VTK_OVERRIDE;
110 
112 
116  void Reset()
117  {
118  this->PartitionExtents.clear();
119  this->NumExtents = 0;
120  this->ExtentIsPartitioned = false;
121  }
123 
129  void ExtendGhostLayers( int ext[6] );
130 
132 
138  int ext[6], const int minIdx, const int maxIdx )
139  {
140  ext[minIdx]-=this->NumberOfGhostLayers;
141  ext[maxIdx]+=this->NumberOfGhostLayers;
142  ext[minIdx] = (ext[minIdx] < this->GlobalExtent[minIdx])?
143  this->GlobalExtent[minIdx] : ext[minIdx];
144  ext[maxIdx] = (ext[maxIdx] > this->GlobalExtent[maxIdx])?
145  this->GlobalExtent[maxIdx] : ext[maxIdx];
146  }
148 
152  void AcquireDataDescription();
153 
157  void GetExtent( const int idx, int ext[6] );
158 
162  void AddExtent(int ext[6]);
163 
168  void ReplaceExtent(const int idx, int ext[6]);
169 
173  void SplitExtent(int parent[6],int s1[6],int s2[6],int splitDimension);
174 
179  int GetNumberOfTotalExtents();
180 
184  int GetNumberOfNodes( int ext[6] );
185 
189  int GetNumberOfCells( int ext[6] );
190 
194  int GetLongestDimensionLength( int ext[6] );
195 
199  int GetLongestDimension( int ext[6] );
200 
204  void PrintExtent( const std::string& name, int ext[6] );
205 
208  int GlobalExtent[6];
211 
212  int DuplicateNodes; // indicates whether nodes are duplicated between
213  // partitions, so that they are abutting. This is
214  // set to true by default. If disabled, the resulting
215  // partitions will have gaps.
216 
218 
219  std::vector<int> PartitionExtents;
220 
221  private:
222  vtkExtentRCBPartitioner( const vtkExtentRCBPartitioner& ) VTK_DELETE_FUNCTION;
223  void operator=( const vtkExtentRCBPartitioner& ) VTK_DELETE_FUNCTION;
224 };
225 
226 #endif /* VTKEXTENTRCBPARTITIONER_H_ */
void SetGlobalExtent(int imin, int imax, int jmin, int jmax, int kmin, int kmax)
Set/Get the global extent array to be partitioned.
abstract base class for most VTK objects
Definition: vtkObject.h:53
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
void SetGlobalExtent(int ext[6])
Set/Get the global extent array to be partitioned.
This method partitions a global extent to N partitions where N is a user supplied parameter...
void GetGhostedExtent(int ext[6], const int minIdx, const int maxIdx)
Givent an extent and the min/max of the dimension we are looking at, this method will produce a ghost...
a simple class to control print indentation
Definition: vtkIndent.h:33
void SetNumberOfPartitions(const int N)
Set/Get the number of requested partitions.
vtkSetMacro(IgnoreDriverBugs, bool)
When set known driver bugs are ignored during driver feature detection.
std::vector< int > PartitionExtents
vtkBooleanMacro(IgnoreDriverBugs, bool)
When set known driver bugs are ignored during driver feature detection.
static vtkObject * New()
Create an object with Debug turned off, modified time initialized to zero, and reference counting on...