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72 lines
2.6 KiB
72 lines
2.6 KiB
/*=========================================================================
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Program: Visualization Toolkit
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Module: $RCSfile: vtkPipelineSize.h,v $
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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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// .NAME vtkPipelineSize - compute the memory required by a pipeline
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#ifndef __vtkPipelineSize_h
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#define __vtkPipelineSize_h
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#include "vtkObject.h"
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class vtkAlgorithm;
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class vtkPolyDataMapper;
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class VTK_PARALLEL_EXPORT vtkPipelineSize : public vtkObject
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{
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public:
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// Description:
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static vtkPipelineSize* New();
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vtkTypeRevisionMacro(vtkPipelineSize,vtkObject);
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virtual void PrintSelf(ostream& os, vtkIndent indent);
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// Description:
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// Compute an estimate of how much memory a pipline will require in
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// kilobytes (1024 bytes not 1000) This is only an estimate and the
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// calculations in here do not take into account the specifics of many
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// sources and filters.
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unsigned long GetEstimatedSize(vtkAlgorithm *input, int inputPort,
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int connection);
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// Description:
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// Determine how many subpieces a mapper should use to fit a target memory
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// limit. This takes into account the mapper's Piece and NumberOfPieces.
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unsigned long GetNumberOfSubPieces(unsigned long memoryLimit,
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vtkPolyDataMapper *mapper);
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protected:
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vtkPipelineSize() {};
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void GenericComputeSourcePipelineSize(vtkAlgorithm *src,
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int outputPort,
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unsigned long size[3]);
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void ComputeSourcePipelineSize(vtkAlgorithm *src,
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int outputPort,
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unsigned long size[3]);
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void ComputeOutputMemorySize( vtkAlgorithm *src,
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int outputPort,
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unsigned long *inputSize,
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unsigned long size[2] );
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void GenericComputeOutputMemorySize( vtkAlgorithm *src,
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int outputPort,
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unsigned long *inputSize,
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unsigned long size[2] );
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private:
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vtkPipelineSize(const vtkPipelineSize&); // Not implemented.
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void operator=(const vtkPipelineSize&); // Not implemented.
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};
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#endif
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