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Program: Visualization Toolkit
Module: vtkPExodusReader.h
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or for details.
This software is distributed WITHOUT ANY WARRANTY; without even
PURPOSE. See the above copyright notice for more information.
Copyright (c) Sandia Corporation
See Copyright.txt or for details.
// .NAME vtkPExodusReader - Read exodus 2 files .ex2
// .SECTION Description
// vtkPExodusReader is a unstructured grid source object that reads
// PExodusReaderII files. Most of the meta data associated with the
// file is loaded when UpdateInformation is called. This includes
// information like Title, number of blocks, number and names of
// arrays. This data can be retrieved from methods in this
// reader. Separate arrays that are meant to be a single vector, are
// combined internally for convenience. To be combined, the array
// names have to be identical except for a trailing X,Y and Z (or
// x,y,z). By default all cell and point arrays are loaded. However,
// the user can flag arrays not to load with the methods
// "SetPointDataArrayLoadFlag" and "SetCellDataArrayLoadFlag". The
// reader responds to piece requests by loading only a range of the
// possible blocks. Unused points are filtered out internally.
#ifndef __vtkPExodusReader_h
#define __vtkPExodusReader_h
#include "vtkExodusReader.h"
#include <vtkstd/vector> // Required for vector
class vtkTimerLog;
class VTK_HYBRID_EXPORT vtkPExodusReader : public vtkExodusReader
static vtkPExodusReader *New();
void PrintSelf(ostream& os, vtkIndent indent);
// Description:
// These methods tell the reader that the data is ditributed across
// multiple files. This is for distributed execution. It this case,
// pieces are mapped to files. The pattern should have one %d to
// format the file number. FileNumberRange is used to generate file
// numbers. I was thinking of having an arbitrary list of file
// numbers. This may happen in the future. (That is why there is no
// GetFileNumberRange method.
// Description:
// Set the range of files that are being loaded. The range for single
// file should add to 0.
void SetFileRange(int,int);
void SetFileRange(int* r) { this->SetFileRange(r[0], r[1]); }
vtkGetVector2Macro(FileRange, int);
// Description:
// Provide an arbitrary list of file names instead of a prefix,
// pattern and range. Overrides any prefix, pattern and range
// that is specified. vtkPExodusReader makes it's own copy
// of your file names.
void SetFileNames(int nfiles, const char **names);
virtual void SetFileName(const char *name);
// Description:
// Return pointer to list of file names set in SetFileNames
char **GetFileNames(){return this->FileNames;}
// Description:
// Return number of file names set in SetFileNames
int GetNumberOfFileNames(){return this->NumberOfFileNames;}
// Description:
// Return the number of files to be read.
vtkGetMacro(NumberOfFiles, int);
// Description:
// Extra cell data array that can be generated. By default, this array
// is OFF. The value of the array is the integer id which is part of
// the name of the file from which the cell was read.
// The name of the array is "vtkFileId".
void SetGenerateFileIdArray(int flag);
vtkGetMacro(GenerateFileIdArray, int);
vtkBooleanMacro(GenerateFileIdArray, int);
virtual int GetTotalNumberOfElements();
virtual int GetTotalNumberOfNodes();
int GetNumberOfVariableArrays();
const char *GetVariableArrayName(int a_which);
void EnableDSPFiltering();
void AddFilter(vtkDSPFilterDefinition *a_filter);
void StartAddingFilter();
void AddFilterInputVar(char *name);
void AddFilterOutputVar(char *name);
void AddFilterNumeratorWeight(double weight);
void AddFilterForwardNumeratorWeight(double weight);
void AddFilterDenominatorWeight(double weight);
void FinishAddingFilter();
void RemoveFilter(char *a_outputVariableName);
void GetDSPOutputArrays(int exoid, vtkUnstructuredGrid* output);
// Description:
// Try to "guess" the pattern of files.
int DeterminePattern(const char* file);
static int DetermineFileId(const char* file);
// This method sets up a ugrid with
// all meta data but zero cells
void SetUpEmptyGrid();
// **KEN** Previous discussions concluded with std classes in header
// files is bad. Perhaps we should change readerList.
char* FilePattern;
char* CurrentFilePattern;
char* FilePrefix;
char* CurrentFilePrefix;
char* MultiFileName;
int FileRange[2];
int CurrentFileRange[2];
int NumberOfFiles;
char **FileNames;
int NumberOfFileNames;
int GenerateFileIdArray;
vtkstd::vector<vtkExodusReader*> readerList;
int Timing;
vtkTimerLog *TimerLog;
int RequestInformation(
vtkInformation *, vtkInformationVector **, vtkInformationVector *);
int RequestData(
vtkInformation *, vtkInformationVector **, vtkInformationVector *);
vtkPExodusReader(const vtkPExodusReader&); // Not implemented
void operator=(const vtkPExodusReader&); // Not implemented
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