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119 lines
3.4 KiB
C
119 lines
3.4 KiB
C
3 weeks ago
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/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkCPExodusIIInSituReader.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 vtkCPExodusIIInSituReader
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* @brief Read an Exodus II file into data structures
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* that map the raw arrays returned by the Exodus II library into a multi-block
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* data set containing vtkUnstructuredGridBase subclasses.
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*
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*
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* This class can be used to import Exodus II files into VTK without repacking
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* the data into the standard VTK memory layout, avoiding the cost of a deep
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* copy.
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*/
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#ifndef vtkCPExodusIIInSituReader_h
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#define vtkCPExodusIIInSituReader_h
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#include "vtkIOExodusModule.h" // For export macro
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#include "vtkMultiBlockDataSetAlgorithm.h"
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#include "vtkNew.h" // For vtkNew
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#include <string> // For std::string
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#include <vector> // For std::vector
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class vtkDataArrayCollection;
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class vtkPointData;
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class vtkPoints;
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class VTKIOEXODUS_EXPORT vtkCPExodusIIInSituReader : public vtkMultiBlockDataSetAlgorithm
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{
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public:
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static vtkCPExodusIIInSituReader* New();
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vtkTypeMacro(vtkCPExodusIIInSituReader, vtkMultiBlockDataSetAlgorithm);
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void PrintSelf(ostream& os, vtkIndent indent) override;
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//@{
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/**
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* Get/Set the name of the Exodus file to read.
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*/
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vtkSetStringMacro(FileName);
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vtkGetStringMacro(FileName);
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//@}
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//@{
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/**
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* Get/Set the current timestep to read as a zero-based index.
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*/
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vtkGetMacro(CurrentTimeStep, int);
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vtkSetMacro(CurrentTimeStep, int);
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//@}
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//@{
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/**
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* Get the range of timesteps, represented as [0, numTimeSteps - 1]. Call
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* UpdateInformation first to set this without reading any timestep data.
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*/
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vtkGetVector2Macro(TimeStepRange, int);
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//@}
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/**
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* Get the floating point tag associated with the timestep at 'step'.
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*/
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double GetTimeStepValue(int step) { return TimeSteps.at(step); }
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protected:
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vtkCPExodusIIInSituReader();
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~vtkCPExodusIIInSituReader() override;
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vtkTypeBool ProcessRequest(vtkInformation* request, vtkInformationVector** inputVector,
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vtkInformationVector* outputVector) override;
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int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
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int RequestInformation(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
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private:
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vtkCPExodusIIInSituReader(const vtkCPExodusIIInSituReader&) = delete;
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void operator=(const vtkCPExodusIIInSituReader&) = delete;
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bool ExOpen();
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char* FileName;
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int FileId;
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bool ExGetMetaData();
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int NumberOfDimensions;
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int NumberOfNodes;
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int NumberOfElementBlocks;
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std::vector<std::string> NodalVariableNames;
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std::vector<std::string> ElementVariableNames;
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std::vector<int> ElementBlockIds;
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std::vector<double> TimeSteps;
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int TimeStepRange[2];
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bool ExGetCoords();
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vtkNew<vtkPoints> Points;
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bool ExGetNodalVars();
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vtkNew<vtkPointData> PointData;
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bool ExGetElemBlocks();
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vtkNew<vtkMultiBlockDataSet> ElementBlocks;
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void ExClose();
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int CurrentTimeStep;
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};
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#endif // vtkCPExodusIIInSituReader_h
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