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77 lines
2.6 KiB
C++
77 lines
2.6 KiB
C++
/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkPipelineSize.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 vtkPipelineSize
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* @brief compute the memory required by a pipeline
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*/
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#ifndef vtkPipelineSize_h
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#define vtkPipelineSize_h
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#include "vtkFiltersParallelModule.h" // For export macro
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#include "vtkObject.h"
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class vtkAlgorithm;
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class vtkPolyDataMapper;
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class VTKFILTERSPARALLEL_EXPORT vtkPipelineSize : public vtkObject
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{
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public:
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static vtkPipelineSize* New();
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vtkTypeMacro(vtkPipelineSize,vtkObject);
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void PrintSelf(ostream& os, vtkIndent indent) VTK_OVERRIDE;
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/**
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* Compute an estimate of how much memory a pipline will require in
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* kibibytes (1024 bytes) 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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*/
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unsigned long GetEstimatedSize(vtkAlgorithm *input, int inputPort,
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int connection);
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/**
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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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*/
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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&) VTK_DELETE_FUNCTION;
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void operator=(const vtkPipelineSize&) VTK_DELETE_FUNCTION;
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};
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#endif
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