77 lines
2.7 KiB
C
77 lines
2.7 KiB
C
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/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkPExtractHistogram2D.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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Copyright 2009 Sandia Corporation.
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Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
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the U.S. Government retains certain rights in this software.
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-------------------------------------------------------------------------*/
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/**
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* @class vtkPExtractHistogram2D
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* @brief compute a 2D histogram between two columns
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* of an input vtkTable in parallel.
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*
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*
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* This class does exactly the same this as vtkExtractHistogram2D,
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* but does it in a multi-process environment. After each node
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* computes their own local histograms, this class does an AllReduce
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* that distributes the sum of all local histograms onto each node.
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*
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* @sa
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* vtkExtractHistogram2D
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*
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* @par Thanks:
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* Developed by David Feng and Philippe Pebay at Sandia National Laboratories
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*------------------------------------------------------------------------------
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*/
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#ifndef vtkPExtractHistogram2D_h
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#define vtkPExtractHistogram2D_h
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#include "vtkExtractHistogram2D.h"
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#include "vtkFiltersParallelImagingModule.h" // For export macro
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class vtkDataSetAttributes;
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class vtkMultiBlockDataSet;
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class vtkMultiProcessController;
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class VTKFILTERSPARALLELIMAGING_EXPORT vtkPExtractHistogram2D : public vtkExtractHistogram2D
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{
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public:
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static vtkPExtractHistogram2D* New();
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vtkTypeMacro(vtkPExtractHistogram2D, vtkExtractHistogram2D);
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void PrintSelf(ostream& os, vtkIndent indent) override;
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virtual void SetController(vtkMultiProcessController*);
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vtkGetObjectMacro(Controller, vtkMultiProcessController);
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protected:
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vtkPExtractHistogram2D();
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~vtkPExtractHistogram2D() override;
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vtkMultiProcessController* Controller;
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int ComputeBinExtents(
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vtkDataSetAttributes* rowData, vtkDataArray* col1, vtkDataArray* col2) override;
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// Execute the calculations required by the Learn option.
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void Learn(vtkTable* inData, vtkTable* inParameters, vtkMultiBlockDataSet* outMeta) override;
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private:
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vtkPExtractHistogram2D(const vtkPExtractHistogram2D&) = delete;
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void operator=(const vtkPExtractHistogram2D&) = delete;
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};
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#endif
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