VTK
vtkReduceTable.h
Go to the documentation of this file.
1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkReduceTable.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 =========================================================================*/
36 #ifndef vtkReduceTable_h
37 #define vtkReduceTable_h
38 
39 #include "vtkInfovisCoreModule.h" // For export macro
40 #include "vtkTableAlgorithm.h"
41 
42 #include <map> // For ivar
43 #include <set> // For ivar
44 #include <vector> // For ivar
45 
46 class vtkVariant;
47 
48 class VTKINFOVISCORE_EXPORT vtkReduceTable : public vtkTableAlgorithm
49 {
50 public:
51  static vtkReduceTable* New();
53  void PrintSelf(ostream& os, vtkIndent indent) VTK_OVERRIDE;
54 
56 
61  vtkGetMacro(IndexColumn, vtkIdType);
62  vtkSetMacro(IndexColumn, vtkIdType);
64 
66 
70  vtkGetMacro(NumericalReductionMethod, int);
71  vtkSetMacro(NumericalReductionMethod, int);
73 
75 
79  vtkGetMacro(NonNumericalReductionMethod, int);
80  vtkSetMacro(NonNumericalReductionMethod, int);
82 
88  int GetReductionMethodForColumn(vtkIdType col);
89 
94  void SetReductionMethodForColumn(vtkIdType col, int method);
95 
99  enum
100  {
103  MODE
104  };
105 
106 protected:
107  vtkReduceTable();
108  ~vtkReduceTable() VTK_OVERRIDE;
109 
110  int RequestData(
113  vtkInformationVector*) VTK_OVERRIDE;
114 
119  void InitializeOutputTable(vtkTable *input, vtkTable *output);
120 
125  void AccumulateIndexValues(vtkTable *input);
126 
130  void PopulateIndexColumn(vtkTable *output);
131 
137  void PopulateDataColumn(vtkTable *input, vtkTable *output, vtkIdType col);
138 
143  void ReduceValuesToMean(vtkTable *input, vtkTable *output,
144  vtkIdType row, vtkIdType col,
145  std::vector<vtkIdType> oldRows);
146 
151  void ReduceValuesToMedian(vtkTable *input, vtkTable *output,
152  vtkIdType row, vtkIdType col,
153  std::vector<vtkIdType> oldRows);
154 
159  void ReduceValuesToMode(vtkTable *input, vtkTable *output,
160  vtkIdType row, vtkIdType col,
161  std::vector<vtkIdType> oldRows);
162 
163  vtkIdType IndexColumn;
164  std::set<vtkVariant> IndexValues;
165  std::map<vtkVariant, std::vector<vtkIdType> > NewRowToOldRowsMap;
166  std::map<vtkIdType, int> ColumnReductionMethods;
167 
168  int NumericalReductionMethod;
169  int NonNumericalReductionMethod;
170 
171 private:
172  vtkReduceTable(const vtkReduceTable&) VTK_DELETE_FUNCTION;
173  void operator=(const vtkReduceTable&) VTK_DELETE_FUNCTION;
174 };
175 
176 #endif
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
static vtkTableAlgorithm * New()
Store vtkAlgorithm input/output information.
int vtkIdType
Definition: vtkType.h:345
A atomic type representing the union of many types.
Definition: vtkVariant.h:69
a simple class to control print indentation
Definition: vtkIndent.h:33
vtkSetMacro(IgnoreDriverBugs, bool)
When set known driver bugs are ignored during driver feature detection.
A table, which contains similar-typed columns of data.
Definition: vtkTable.h:62
Superclass for algorithms that produce only vtkTables as output.
Store zero or more vtkInformation instances.
combine some of the rows of a table