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dox/Graphics/vtkExtractSelectedThresholds.h

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00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkExtractSelectedThresholds.h,v $
00005 
00006   Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
00007   All rights reserved.
00008   See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
00009 
00010      This software is distributed WITHOUT ANY WARRANTY; without even
00011      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
00012      PURPOSE.  See the above copyright notice for more information.
00013 
00014 =========================================================================*/
00033 #ifndef __vtkExtractSelectedThresholds_h
00034 #define __vtkExtractSelectedThresholds_h
00035 
00036 #include "vtkExtractSelectionBase.h"
00037 
00038 class vtkDataArray;
00039 class vtkDoubleArray;
00040 class vtkSelection;
00041 class vtkSelectionNode;
00042 
00043 class VTK_GRAPHICS_EXPORT vtkExtractSelectedThresholds : public vtkExtractSelectionBase
00044 {
00045 public:
00046   vtkTypeRevisionMacro(vtkExtractSelectedThresholds, vtkExtractSelectionBase);
00047   void PrintSelf(ostream& os, vtkIndent indent);
00048 
00050   static vtkExtractSelectedThresholds *New();
00051 
00055   static int EvaluateValue(vtkDataArray *scalars, vtkIdType id, vtkDoubleArray *lims);
00056 
00062   static int EvaluateValue(vtkDataArray *scalars, vtkIdType id, vtkDoubleArray *lims, int *AboveCount, int *BelowCount, int *InsideCount);
00063 
00064 protected:
00065   vtkExtractSelectedThresholds();
00066   ~vtkExtractSelectedThresholds();
00067 
00068   // Usual data generation method
00069   int RequestData(vtkInformation *, 
00070                   vtkInformationVector **, 
00071                   vtkInformationVector *);
00072 
00073   int ExtractCells(vtkSelectionNode *sel, vtkDataSet *input, 
00074                    vtkDataSet *output,
00075                    int usePointScalars);
00076   int ExtractPoints(vtkSelectionNode *sel, vtkDataSet *input, 
00077                     vtkDataSet *output);
00078 
00079 private:
00080   vtkExtractSelectedThresholds(const vtkExtractSelectedThresholds&);  // Not implemented.
00081   void operator=(const vtkExtractSelectedThresholds&);  // Not implemented.
00082 };
00083 
00084 #endif

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