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165 lines
6.5 KiB
165 lines
6.5 KiB
/*=========================================================================
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Program: Visualization Toolkit
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Module: $RCSfile: vtkEnSight6BinaryReader.h,v $
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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 vtkEnSight6BinaryReader - class to read binary EnSight6 files
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// .SECTION Description
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// vtkEnSight6BinaryReader is a class to read binary EnSight6 files into vtk.
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// Because the different parts of the EnSight data can be of various data
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// types, this reader produces multiple outputs, one per part in the input
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// file.
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// All variable information is being stored in field data. The descriptions
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// listed in the case file are used as the array names in the field data.
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// For complex vector variables, the description is appended with _r (for the
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// array of real values) and _i (for the array if imaginary values). Complex
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// scalar variables are stored as a single array with 2 components, real and
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// imaginary, listed in that order.
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// .SECTION Caveats
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// You must manually call Update on this reader and then connect the rest
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// of the pipeline because (due to the nature of the file format) it is
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// not possible to know ahead of time how many outputs you will have or
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// what types they will be.
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// This reader can only handle static EnSight datasets (both static geometry
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// and variables).
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#ifndef __vtkEnSight6BinaryReader_h
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#define __vtkEnSight6BinaryReader_h
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#include "vtkEnSightReader.h"
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class vtkIdTypeArray;
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class vtkPoints;
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class VTK_IO_EXPORT vtkEnSight6BinaryReader : public vtkEnSightReader
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{
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public:
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static vtkEnSight6BinaryReader *New();
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vtkTypeRevisionMacro(vtkEnSight6BinaryReader, vtkEnSightReader);
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virtual void PrintSelf(ostream& os, vtkIndent indent);
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protected:
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vtkEnSight6BinaryReader();
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~vtkEnSight6BinaryReader();
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// Returns 1 if successful. Sets file size as a side action.
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int OpenFile(const char* filename);
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// Description:
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// Read the geometry file. If an error occurred, 0 is returned; otherwise 1.
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virtual int ReadGeometryFile(const char* fileName, int timeStep);
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// Description:
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// Read the measured geometry file. If an error occurred, 0 is returned;
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// otherwise 1.
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virtual int ReadMeasuredGeometryFile(const char* fileName, int timeStep);
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// Description:
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// Read scalars per node for this dataset. If an error occurred, 0 is
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// returned; otherwise 1. If there will be more than one component in
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// the scalars array, we assume that 0 is the first component added to the array.
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virtual int ReadScalarsPerNode(const char* fileName, const char* description,
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int timeStep, int measured = 0,
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int numberOfComponents = 1,
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int component = 0);
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// Description:
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// Read vectors per node for this dataset. If an error occurred, 0 is
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// returned; otherwise 1.
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virtual int ReadVectorsPerNode(const char* fileName, const char* description,
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int timeStep, int measured = 0);
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// Description:
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// Read tensors per node for this dataset. If an error occurred, 0 is
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// returned; otherwise 1.
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virtual int ReadTensorsPerNode(const char* fileName, const char* description,
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int timeStep);
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// Description:
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// Read scalars per element for this dataset. If an error occurred, 0 is
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// returned; otherwise 1. If there will be more than one component in the
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// scalars array, we assume that 0 is the first component added to the array.
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virtual int ReadScalarsPerElement(const char* fileName, const char* description,
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int timeStep, int numberOfComponents = 1,
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int component = 0);
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// Description:
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// Read vectors per element for this dataset. If an error occurred, 0 is
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// returned; otherwise 1.
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virtual int ReadVectorsPerElement(const char* fileName, const char* description,
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int timeStep);
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// Description:
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// Read tensors per element for this dataset. If an error occurred, 0 is
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// returned; otherwise 1.
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virtual int ReadTensorsPerElement(const char* fileName, const char* description,
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int timeStep);
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// Description:
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// Read an unstructured part (partId) from the geometry file and create a
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// vtkUnstructuredGrid output. Return 0 if EOF reached.
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virtual int CreateUnstructuredGridOutput(int partId,
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char line[256],
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const char* name);
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// Description:
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// Read a structured part from the geometry file and create a
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// vtkStructuredGridOutput. Return 0 if EOF reached.
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virtual int CreateStructuredGridOutput(int partId,
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char line[256],
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const char* name);
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// Description:
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// Internal function to read in a line up to 80 characters.
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// Returns zero if there was an error.
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int ReadLine(char result[80]);
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// Description:
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// Internal function to read in a single integer.
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// Tries to determine the byte order of this file.
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// Returns zero if there was an error.
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int ReadIntNumber(int *result);
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// Description:
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// Internal function to read in an integer array.
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// Returns zero if there was an error.
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int ReadIntArray(int *result, int numInts);
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// Description:
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// Internal function to read in a float array.
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// Returns zero if there was an error.
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int ReadFloatArray(float *result, int numFloats);
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// Description:
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// Read to the next time step in the geometry file.
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int SkipTimeStep();
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int SkipStructuredGrid(char line[256]);
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int SkipUnstructuredGrid(char line[256]);
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// global list of points for the unstructured parts of the model
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int NumberOfUnstructuredPoints;
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vtkPoints* UnstructuredPoints;
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vtkIdTypeArray* UnstructuredNodeIds; // matching of node ids to point ids
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int ElementIdsListed;
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// The size of the file is used to choose byte order.
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int FileSize;
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ifstream *IFile;
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private:
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vtkEnSight6BinaryReader(const vtkEnSight6BinaryReader&); // Not implemented.
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void operator=(const vtkEnSight6BinaryReader&); // Not implemented.
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};
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#endif
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