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104 lines
3.6 KiB
C++
104 lines
3.6 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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// .NAME vtkAMRDataSetCache.h -- A cache for AMR blocks and block data
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//
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// .SECTION Description
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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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#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 );
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// Description:
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// Inserts an AMR block to the cache
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void InsertAMRBlock(int compositeIdx,vtkUniformGrid *amrGrid);
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// Description:
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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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void InsertAMRBlockPointData(
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int compositeIdx, vtkDataArray *dataArray );
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// Description:
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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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void InsertAMRBlockCellData(
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int compositeIdx, vtkDataArray *dataArray );
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// Description:
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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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vtkDataArray* GetAMRBlockCellData(
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int compositeIdx, const char *dataName );
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// Description:
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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 returend if the point array and /or block is not cached.
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vtkDataArray* GetAMRBlockPointData(
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int compositeIdx, const char *dataName );
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// Description:
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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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vtkUniformGrid* GetAMRBlock(int compositeIdx );
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// Description:
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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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bool HasAMRBlockCellData(int compositeIdx, const char *name);
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// Description:
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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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bool HasAMRBlockPointData(int compositeIdx, const char *name);
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// Description:
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// Checks if the AMR block associated with the given composite is cached.
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bool HasAMRBlock( const int compositeIdx );
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protected:
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vtkAMRDataSetCache();
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virtual ~vtkAMRDataSetCache();
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//BTX
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typedef std::map< int, vtkUniformGrid* > AMRCacheType;
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AMRCacheType Cache;
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//ETX
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private:
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vtkAMRDataSetCache( const vtkAMRDataSetCache& ); // Not implemented
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void operator=( const vtkAMRDataSetCache& ); // Not implemented
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};
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#endif /* vtkAMRDataSetCache_h */
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