88 lines
2.7 KiB
C
88 lines
2.7 KiB
C
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/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkComputeQuantiles.h
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Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notice for more information.
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=========================================================================*/
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/**
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* @class vtkComputeQuantiles
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* @brief Extract Ntiles and extremum values
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* of all columns of a table or all fields of a dataset.
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*
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* vtkComputeQuantiles accepts any vtkDataObject as input and produces a vtkTable data as output
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* containing the extrema and quantiles.
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*
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* The filter internally uses vtkOrderStatistics to divide the dataset into N intervals; so to
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* compute quartiles set the number of intervals to 4, for deciles set the number of intervals to 10
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* etc. The output table has the same number of columns as the input data set and has N+1 number of
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* rows to store the intervals and extrema.
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*
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* @sa
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* vtkTableAlgorithm vtkOrderStatistics
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*
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* @par Thanks:
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* This class was written by Kitware SAS and supported by EDF - www.edf.fr
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*/
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#ifndef vtkComputeQuantiles_h
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#define vtkComputeQuantiles_h
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#include "vtkFiltersStatisticsModule.h" // For export macro
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#include "vtkTableAlgorithm.h"
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class vtkDataSet;
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class vtkDoubleArray;
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class vtkFieldData;
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class vtkOrderStatistics;
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class vtkTable;
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class VTKFILTERSSTATISTICS_EXPORT vtkComputeQuantiles : public vtkTableAlgorithm
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{
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public:
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static vtkComputeQuantiles* New();
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vtkTypeMacro(vtkComputeQuantiles, vtkTableAlgorithm);
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void PrintSelf(ostream& os, vtkIndent indent) override;
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//@{
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/**
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* Set/get the number of intervals into which the data is to be divided.
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* Default is 4.
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*/
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vtkGetMacro(NumberOfIntervals, int);
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vtkSetMacro(NumberOfIntervals, int);
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//@}
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protected:
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vtkComputeQuantiles();
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~vtkComputeQuantiles() override = default;
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int FillInputPortInformation(int port, vtkInformation* info) override;
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int RequestData(vtkInformation* request, vtkInformationVector** inputVector,
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vtkInformationVector* outputVector) override;
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void ComputeTable(vtkDataObject*, vtkTable*, vtkIdType);
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virtual vtkOrderStatistics* CreateOrderStatisticsFilter();
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int FieldAssociation = -1;
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int NumberOfIntervals = 4;
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private:
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void operator=(const vtkComputeQuantiles&) = delete;
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vtkComputeQuantiles(const vtkComputeQuantiles&) = delete;
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int GetInputFieldAssociation();
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vtkFieldData* GetInputFieldData(vtkDataObject* input);
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};
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#endif
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