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vtkReduceTable.h
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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 =========================================================================*/
39 #ifndef vtkReduceTable_h
40 #define vtkReduceTable_h
41 
42 #include "vtkInfovisCoreModule.h" // For export macro
43 #include "vtkTableAlgorithm.h"
44 
45 #include <map> // For ivar
46 #include <set> // For ivar
47 #include <vector> // For ivar
48 
49 class vtkVariant;
50 
51 class VTKINFOVISCORE_EXPORT vtkReduceTable : public vtkTableAlgorithm
52 {
53 public:
54  static vtkReduceTable* New();
56  void PrintSelf(ostream& os, vtkIndent indent);
57 
59 
64  vtkGetMacro(IndexColumn, vtkIdType);
65  vtkSetMacro(IndexColumn, vtkIdType);
67 
69 
73  vtkGetMacro(NumericalReductionMethod, int);
74  vtkSetMacro(NumericalReductionMethod, int);
76 
78 
82  vtkGetMacro(NonNumericalReductionMethod, int);
83  vtkSetMacro(NonNumericalReductionMethod, int);
85 
92 
97  void SetReductionMethodForColumn(vtkIdType col, int method);
98 
102  enum
103  {
106  MODE
107  };
108 
109 protected:
112 
117 
122  void InitializeOutputTable(vtkTable *input, vtkTable *output);
123 
129 
134 
140  void PopulateDataColumn(vtkTable *input, vtkTable *output, vtkIdType col);
141 
146  void ReduceValuesToMean(vtkTable *input, vtkTable *output,
147  vtkIdType row, vtkIdType col,
148  std::vector<vtkIdType> oldRows);
149 
154  void ReduceValuesToMedian(vtkTable *input, vtkTable *output,
155  vtkIdType row, vtkIdType col,
156  std::vector<vtkIdType> oldRows);
157 
162  void ReduceValuesToMode(vtkTable *input, vtkTable *output,
163  vtkIdType row, vtkIdType col,
164  std::vector<vtkIdType> oldRows);
165 
167  std::set<vtkVariant> IndexValues;
168  std::map<vtkVariant, std::vector<vtkIdType> > NewRowToOldRowsMap;
169  std::map<vtkIdType, int> ColumnReductionMethods;
170 
173 
174 private:
175  vtkReduceTable(const vtkReduceTable&) VTK_DELETE_FUNCTION;
176  void operator=(const vtkReduceTable&) VTK_DELETE_FUNCTION;
177 };
178 
179 #endif
a simple class to control print indentation
Definition: vtkIndent.h:40
Store zero or more vtkInformation instances.
Store vtkAlgorithm input/output information.
combine some of the rows of a table
int GetReductionMethodForColumn(vtkIdType col)
Get the method that should be used to combine the values within the specified column.
std::map< vtkIdType, int > ColumnReductionMethods
static vtkReduceTable * New()
int NumericalReductionMethod
int NonNumericalReductionMethod
std::map< vtkVariant, std::vector< vtkIdType > > NewRowToOldRowsMap
void AccumulateIndexValues(vtkTable *input)
Find the distinct values in the input table's index column.
void SetReductionMethodForColumn(vtkIdType col, int method)
Set the method that should be used to combine the values within the specified column.
void PrintSelf(ostream &os, vtkIndent indent)
Methods invoked by print to print information about the object including superclasses.
void ReduceValuesToMedian(vtkTable *input, vtkTable *output, vtkIdType row, vtkIdType col, std::vector< vtkIdType > oldRows)
Find the median of a series of values from the input table and store it in the output table.
void ReduceValuesToMean(vtkTable *input, vtkTable *output, vtkIdType row, vtkIdType col, std::vector< vtkIdType > oldRows)
Find the mean of a series of values from the input table and store it in the output table.
void ReduceValuesToMode(vtkTable *input, vtkTable *output, vtkIdType row, vtkIdType col, std::vector< vtkIdType > oldRows)
Find the mode of a series of values from the input table and store it in the output table.
int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *)
This is called by the superclass.
std::set< vtkVariant > IndexValues
void PopulateDataColumn(vtkTable *input, vtkTable *output, vtkIdType col)
Populate a non-index column of the output table.
vtkIdType IndexColumn
void PopulateIndexColumn(vtkTable *output)
Populate the index column of the output table.
void InitializeOutputTable(vtkTable *input, vtkTable *output)
Initialize the output table to have the same types of columns as the input table, but no rows.
Superclass for algorithms that produce only vtkTables as output.
A table, which contains similar-typed columns of data.
Definition: vtkTable.h:69
A atomic type representing the union of many types.
Definition: vtkVariant.h:76
vtkSetMacro(IgnoreDriverBugs, bool)
Updates the extensions string.
int vtkIdType
Definition: vtkType.h:287