127 lines
4.0 KiB
C++
127 lines
4.0 KiB
C++
/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkCONVERGECFDReader.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 vtkCONVERGECFDReader
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* @brief Reader for CONVERGE CFD post files.
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*
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* This class reads CONVERGE CFD post files containing meshes, surfaces,
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* and parcels. Each stream in a file is read as a top-level
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* block and meshes, surfaces, and parcels are datasets under
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* each stream block.
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*
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* Cell data arrays associated with mesh cells can be individually
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* selected for reading using the CellArrayStatus API.
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*
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* Point data arrays associated with parcels can be individually selected
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* for reading using the ParcelArrayStatus API.
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*
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* Time series are supported. The reader assumes a time series is defined
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* in a sequence of files that follow the naming convention
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*
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* \code
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* <prefix><zero-padded index>[_][<time>].h5
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* \endcode
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*
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* where the prefix is determined from the FileName property passed to
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* the reader. The underscore and time elements are optional. The time
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* value associated with each file is read from metadata in the file.
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*
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* Parallel data loading is not supported.
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*/
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#ifndef vtkCONVERGECFDReader_h
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#define vtkCONVERGECFDReader_h
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#include "vtkIOCONVERGECFDModule.h" // For export macro
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#include "vtkNew.h" // for vtkNew
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#include "vtkPartitionedDataSetCollectionAlgorithm.h"
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#include <string> // for std::string
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#include <vector> // for std::vector
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class vtkDataArraySelection;
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class VTKIOCONVERGECFD_EXPORT vtkCONVERGECFDReader : public vtkPartitionedDataSetCollectionAlgorithm
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{
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public:
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static vtkCONVERGECFDReader* New();
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vtkTypeMacro(vtkCONVERGECFDReader, vtkPartitionedDataSetCollectionAlgorithm);
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void PrintSelf(ostream& os, vtkIndent indent) override;
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/**
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* Access the cell data array selection to specify which cell data arrays
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* should be read. Only the specified cell data arrays will be read from the file.
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*/
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vtkGetObjectMacro(CellDataArraySelection, vtkDataArraySelection);
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/**
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* Access the parcel data array selection to specify which point data arrays
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* should be read and associated parcel. Only the specified parcel data arrays will
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* be read from the file.
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*/
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vtkGetObjectMacro(ParcelDataArraySelection, vtkDataArraySelection);
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/**
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* Determine if the file can be read with this reader.
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*/
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virtual int CanReadFile(VTK_FILEPATH const char* fname);
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///@{
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/**
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* Specify file name of the Exodus file.
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*/
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vtkSetFilePathMacro(FileName);
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vtkGetFilePathMacro(FileName);
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///@}
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protected:
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vtkCONVERGECFDReader();
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~vtkCONVERGECFDReader() override;
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int RequestInformation(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
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int RequestData(
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vtkInformation*, vtkInformationVector**, vtkInformationVector* outputVector) override;
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// Look for series of files defining timesteps
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void ReadTimeSteps(vtkInformation* outInfo);
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// Get the OUTPUT_TIME attribute from the file
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bool ReadOutputTime(const std::string& filePath, double& time);
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// From the given information request, return the index of the file that supplies the timestep
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size_t SelectTimeStepIndex(vtkInformation* info);
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// Name of file chosen in the file system
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char* FileName;
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// List of files that match the chosen file name
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std::vector<std::string> FileNames;
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vtkNew<vtkDataArraySelection> CellDataArraySelection;
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vtkNew<vtkDataArraySelection> ParcelDataArraySelection;
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class vtkInternal;
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vtkInternal* Internal;
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private:
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vtkCONVERGECFDReader(const vtkCONVERGECFDReader&) = delete;
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void operator=(const vtkCONVERGECFDReader&) = delete;
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};
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#endif // vtkCONVERGECFDReader_h
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