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109 lines
3.4 KiB
C++
109 lines
3.4 KiB
C++
/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkAMRDataSetCache.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 vtkAMRDataSetCache
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*
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*
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* A concrete implementation of vtkObject that provides functionality for
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* caching AMR blocks. The primary intent of this class is to be used by the
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* AMR reader infrastructure for caching blocks/data in memory to minimize
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* out-of-core operations.
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*/
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#ifndef vtkAMRDataSetCache_h
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#define vtkAMRDataSetCache_h
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#include "vtkIOAMRModule.h" // For export macro
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#include "vtkObject.h"
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#include <map> // For STL map used as the data-structure for the cache.
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class vtkUniformGrid;
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class vtkDataArray;
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class VTKIOAMR_EXPORT vtkAMRDataSetCache : public vtkObject
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{
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public:
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static vtkAMRDataSetCache* New();
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vtkTypeMacro(vtkAMRDataSetCache, vtkObject);
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void PrintSelf(ostream& os, vtkIndent indent) override;
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/**
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* Inserts an AMR block to the cache
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*/
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void InsertAMRBlock(int compositeIdx, vtkUniformGrid* amrGrid);
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/**
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* Inserts a point data array to an already cached block
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* NOTE: this->HasAMRBlock( compositeIdx ) == true
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*/
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void InsertAMRBlockPointData(int compositeIdx, vtkDataArray* dataArray);
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/**
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* Inserts a cell data array to an already cached block
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* NOTE: this->HasAMRBlock( compositeIdx ) == true
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*/
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void InsertAMRBlockCellData(int compositeIdx, vtkDataArray* dataArray);
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/**
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* Given the name of the cell array and AMR block composite index, this
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* method returns a pointer to the cell data array.
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* NOTE: Null is returned if the cell array and/or block is not cached.
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*/
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vtkDataArray* GetAMRBlockCellData(int compositeIdx, const char* dataName);
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/**
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* Given the name of the point array and AMR block composite index, this
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* method returns a pointer to the point data array.
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* NOTE: Null is returned if the point array and /or block is not cached.
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*/
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vtkDataArray* GetAMRBlockPointData(int compositeIdx, const char* dataName);
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/**
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* Given the composite index, this method returns the AMR block.
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* NOTE: Null is returned if the AMR block does not exist in the cache.
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*/
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vtkUniformGrid* GetAMRBlock(int compositeIdx);
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/**
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* Checks if the cell data array, associated with the provided name, has
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* been cached for the AMR block with the given composite index.
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*/
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bool HasAMRBlockCellData(int compositeIdx, const char* name);
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/**
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* Checks if the point data array, associated with the provided name, has
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* been cached for the AMR block with the given composite index.
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*/
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bool HasAMRBlockPointData(int compositeIdx, const char* name);
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/**
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* Checks if the AMR block associated with the given composite is cached.
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*/
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bool HasAMRBlock(const int compositeIdx);
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protected:
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vtkAMRDataSetCache();
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~vtkAMRDataSetCache() override;
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typedef std::map<int, vtkUniformGrid*> AMRCacheType;
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AMRCacheType Cache;
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private:
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vtkAMRDataSetCache(const vtkAMRDataSetCache&) = delete;
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void operator=(const vtkAMRDataSetCache&) = delete;
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};
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#endif /* vtkAMRDataSetCache_h */
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