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vtkEnSightGoldBinaryReader.cxx
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/*=========================================================================
Program: Visualization Toolkit
Module: vtkEnSightGoldBinaryReader.cxx
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
#include "vtkEnSightGoldBinaryReader.h"
#include "vtkByteSwap.h"
#include "vtkCellData.h"
#include "vtkCharArray.h"
#include "vtkFloatArray.h"
#include "vtkMultiBlockDataSet.h"
#include "vtkIdList.h"
#include "vtkImageData.h"
#include "vtkObjectFactory.h"
#include "vtkPointData.h"
#include "vtkPolyData.h"
#include "vtkRectilinearGrid.h"
#include "vtkStructuredGrid.h"
#include "vtkUnstructuredGrid.h"
#include <sys/stat.h>
#include <ctype.h>
#include <vtkstd/string>
vtkStandardNewMacro(vtkEnSightGoldBinaryReader);
// This is half the precision of an int.
#define MAXIMUM_PART_ID 65536
//----------------------------------------------------------------------------
vtkEnSightGoldBinaryReader::vtkEnSightGoldBinaryReader()
{
this->IFile = NULL;
this->FileSize = 0;
this->Fortran = 0;
this->NodeIdsListed = 0;
this->ElementIdsListed = 0;
}
//----------------------------------------------------------------------------
vtkEnSightGoldBinaryReader::~vtkEnSightGoldBinaryReader()
{
if (this->IFile)
{
this->IFile->close();
delete this->IFile;
this->IFile = NULL;
}
}
//----------------------------------------------------------------------------
int vtkEnSightGoldBinaryReader::OpenFile(const char* filename)
{
if (!filename)
{
vtkErrorMacro(<<"Missing filename.");
return 0;
}
// Close file from any previous image
if (this->IFile)
{
this->IFile->close();
delete this->IFile;
this->IFile = NULL;
}
// Open the new file
vtkDebugMacro(<< "Opening file " << filename);
struct stat fs;
if ( !stat( filename, &fs) )
{
// Find out how big the file is.
this->FileSize = (int)(fs.st_size);
#ifdef _WIN32
this->IFile = new ifstream(filename, ios::in | ios::binary);
#else
this->IFile = new ifstream(filename, ios::in);
#endif
}
else
{
vtkErrorMacro("stat failed.");
return 0;
}
if (! this->IFile || this->IFile->fail())
{
vtkErrorMacro(<< "Could not open file " << filename);
return 0;
}
return 1;
}
//----------------------------------------------------------------------------
int vtkEnSightGoldBinaryReader::InitializeFile(const char* fileName)
{
char line[80], subLine[80];
// Initialize
//
if (!fileName)
{
vtkErrorMacro("A GeometryFileName must be specified in the case file.");
return 0;
}
vtkstd::string sfilename;
if (this->FilePath)
{
sfilename = this->FilePath;
if (sfilename.at(sfilename.length()-1) != '/')
{
sfilename += "/";
}
sfilename += fileName;
vtkDebugMacro("full path to geometry file: " << sfilename.c_str());
}
else
{
sfilename = fileName;
}
if (this->OpenFile(sfilename.c_str()) == 0)
{
vtkErrorMacro("Unable to open file: " << sfilename.c_str());
return 0;
}
line[0] = '\0';
subLine[0] = '\0';
if ( this->ReadLine( line ) == 0 )
{
vtkErrorMacro( "Error with line reading upon file initialization" );
return 0;
}
if ( sscanf( line, " %*s %s", subLine ) != 1 )
{
vtkErrorMacro( "Error with subline extraction upon file initialization" );
return 0;
}
if (strncmp(subLine, "Binary", 6) != 0 &&
strncmp(subLine, "binary", 6) != 0)
{
vtkErrorMacro("This is not a binary data set. Try "
<< "vtkEnSightGoldReader.");
return 0;
}
return 1;
}
//----------------------------------------------------------------------------
int vtkEnSightGoldBinaryReader::ReadGeometryFile(const char* fileName, int timeStep,
vtkMultiBlockDataSet *output)
{
char line[80], subLine[80], nameline[80];
int partId, realId;
int lineRead, i;
if (!this->InitializeFile(fileName))
{
return 0;
}
//this will close the file, so we need to reinitialize it
int numberOfTimeStepsInFile=this->CountTimeSteps();
if (!this->InitializeFile(fileName))
{
return 0;
}
if (this->UseFileSets)
{
if (numberOfTimeStepsInFile>1)
{
for (i = 0; i < timeStep - 1; i++)
{
if (!this->SkipTimeStep())
{
return 0;
}
}
}
// use do-while here to initialize 'line' before 'strncmp' is appllied
// Thanks go to Brancois for care of this issue
do
{
this->ReadLine(line);
}
while ( strncmp(line, "BEGIN TIME STEP", 15) != 0 );
}
// Skip the 2 description lines.
this->ReadLine(line);
this->ReadLine(line);
// Read the node id and element id lines.
this->ReadLine(line);
sscanf(line, " %*s %*s %s", subLine);
if (strncmp(subLine, "given", 5) == 0)
{
this->NodeIdsListed = 1;
}
else if (strncmp(subLine, "ignore", 6) == 0)
{
this->NodeIdsListed = 1;
}
else
{
this->NodeIdsListed = 0;
}
this->ReadLine(line);
sscanf(line, " %*s %*s %s", subLine);
if (strncmp(subLine, "given", 5) == 0)
{
this->ElementIdsListed = 1;
}
else if (strncmp(subLine, "ignore", 6) == 0)
{
this->ElementIdsListed = 1;
}
else
{
this->ElementIdsListed = 0;
}
lineRead = this->ReadLine(line); // "extents" or "part"
if (strncmp(line, "extents", 7) == 0)
{
// Skipping the extents.
this->IFile->seekg(6*sizeof(float), ios::cur);
lineRead = this->ReadLine(line); // "part"
}
while (lineRead > 0 && strncmp(line, "part", 4) == 0)
{
this->ReadPartId(&partId);
partId--; // EnSight starts #ing at 1.
if (partId < 0 || partId >= MAXIMUM_PART_ID)
{
vtkErrorMacro("Invalid part id; check that ByteOrder is set correctly.");
return 0;
}
realId = this->InsertNewPartId(partId);
// Increment the number of geoemtry parts such that the measured geomtry,
// if any, can be properly combined into a vtkMultiBlockDataSet object.
// --- fix to bug #7453
this->NumberOfGeometryParts ++;
this->ReadLine(line); // part description line
strncpy(nameline, line, 80); // 80 characters in line are allowed
nameline[79] = '\0'; // Ensure NULL character at end of part name
char *name = strdup(nameline);
// fix to bug #0008237
// The original "return 1" operation upon "strncmp(line, "interface", 9) == 0"
// was removed here as 'interface' is NOT a keyword of an EnSight Gold file.
this->ReadLine(line);
if (strncmp(line, "block", 5) == 0)
{
if (sscanf(line, " %*s %s", subLine) == 1)
{
if (strncmp(subLine, "rectilinear", 11) == 0)
{
// block rectilinear
lineRead = this->CreateRectilinearGridOutput(realId, line, name,
output);
}
else if (strncmp(subLine, "uniform", 7) == 0)
{
// block uniform
lineRead = this->CreateImageDataOutput(realId, line, name,
output);
}
else
{
// block iblanked
lineRead = this->CreateStructuredGridOutput(realId, line, name,
output);
}
}
else
{
// block
lineRead = this->CreateStructuredGridOutput(realId, line, name,
output);
}
}
else
{
lineRead = this->CreateUnstructuredGridOutput(realId, line, name,
output);
if (lineRead < 0)
{
free(name);
if (this->IFile)
{
this->IFile->close();
delete this->IFile;
this->IFile = NULL;
}
return 0;
}
}
free(name);
}
if (this->IFile)
{
this->IFile->close();
delete this->IFile;
this->IFile = NULL;
}
if (lineRead < 0)
{
return 0;
}
return 1;
}
//----------------------------------------------------------------------------
int vtkEnSightGoldBinaryReader::CountTimeSteps()
{
int count=0;
while(1)
{
int result=this->SkipTimeStep();
if (result)
{
count++;
}
else
{
break;
}
}
return count;
}
//----------------------------------------------------------------------------
int vtkEnSightGoldBinaryReader::SkipTimeStep()
{
char line[80], subLine[80];
int lineRead;
line[0] = '\0';
while (strncmp(line, "BEGIN TIME STEP", 15) != 0)
{
if (!this->ReadLine(line))
{
return 0;
}
}
// Skip the 2 description lines.
this->ReadLine(line);
this->ReadLine(line);
// Read the node id and element id lines.
this->ReadLine(line);
sscanf(line, " %*s %*s %s", subLine);
if (strncmp(subLine, "given", 5) == 0 ||
strncmp(subLine, "ignore", 6) == 0)
{
this->NodeIdsListed = 1;
}
else
{
this->NodeIdsListed = 0;
}
this->ReadLine(line);
sscanf(line, " %*s %*s %s", subLine);
if (strncmp(subLine, "given", 5) == 0)
{
this->ElementIdsListed = 1;
}
else if (strncmp(subLine, "ignore", 6) == 0)
{
this->ElementIdsListed = 1;
}
else
{
this->ElementIdsListed = 0;
}
lineRead = this->ReadLine(line); // "extents" or "part"
if (strncmp(line, "extents", 7) == 0)
{
// Skipping the extents.
this->IFile->seekg(6*sizeof(float), ios::cur);
lineRead = this->ReadLine(line); // "part"
}
while (lineRead > 0 && strncmp(line, "part", 4) == 0)
{
int tmpInt;
this->ReadPartId(&tmpInt);
if (tmpInt < 0 || tmpInt > MAXIMUM_PART_ID)
{
vtkErrorMacro("Invalid part id; check that ByteOrder is set correctly.");
return 0;
}
this->ReadLine(line); // part description line
this->ReadLine(line);
if (strncmp(line, "block", 5) == 0)
{
if (sscanf(line, " %*s %s", subLine) == 1)
{
if (strncmp(subLine, "rectilinear", 11) == 0)
{
// block rectilinear
lineRead = this->SkipRectilinearGrid(line);
}
else if (strncmp(subLine, "uniform,", 7) == 0)
{
// block uniform
lineRead = this->SkipImageData(line);
}
else
{
// block iblanked
lineRead = this->SkipStructuredGrid(line);
}
}
else
{
// block
lineRead = this->SkipStructuredGrid(line);
}
}
else
{
lineRead = this->SkipUnstructuredGrid(line);
}
}
if (lineRead < 0)
{
if (this->IFile)
{
this->IFile->close();
delete this->IFile;
this->IFile = NULL;
}
return 0;
}
return 1;
}
//----------------------------------------------------------------------------
int vtkEnSightGoldBinaryReader::SkipStructuredGrid(char line[256])
{
char subLine[80];
int lineRead;
int iblanked = 0;
int dimensions[3];
int numPts;
if (sscanf(line, " %*s %s", subLine) == 1)
{
if (strncmp(subLine, "iblanked", 8) == 0)
{
iblanked = 1;
}
}
this->ReadIntArray(dimensions, 3);
numPts = dimensions[0] * dimensions[1] * dimensions[2];
if (dimensions[0] < 0 || dimensions[0]*(int)sizeof(int) > this->FileSize ||
dimensions[0] > this->FileSize ||
dimensions[1] < 0 || dimensions[1]*(int)sizeof(int) > this->FileSize ||
dimensions[1] > this->FileSize ||
dimensions[2] < 0 || dimensions[2]*(int)sizeof(int) > this->FileSize ||
dimensions[2] > this->FileSize ||
numPts < 0 || numPts*(int)sizeof(int) > this->FileSize ||
numPts > this->FileSize)
{
vtkErrorMacro("Invalid dimensions read; check that ByteOrder is set correctly.");
return -1;
}
// Skip xCoords, yCoords and zCoords.
this->IFile->seekg(sizeof(float)*numPts*3, ios::cur);
if (iblanked)
{ // skip iblank array.
this->IFile->seekg(numPts*sizeof(int), ios::cur);
}
// reading next line to check for EOF
lineRead = this->ReadLine(line);
return lineRead;
}
//----------------------------------------------------------------------------
int vtkEnSightGoldBinaryReader::SkipUnstructuredGrid(char line[256])
{
int lineRead = 1;
int i;
int numElements;
int cellType;
while(lineRead && strncmp(line, "part", 4) != 0)
{
if (strncmp(line, "coordinates", 11) == 0)
{
vtkDebugMacro("coordinates");
int numPts;
this->ReadInt(&numPts);
if (numPts < 0 || numPts*(int)sizeof(int) > this->FileSize ||
numPts > this->FileSize)
{
vtkErrorMacro("Invalid number of points; check that ByteOrder is set correctly.");
return -1;
}
vtkDebugMacro("num. points: " << numPts);
if (this->NodeIdsListed)
{ // skip node ids.
this->IFile->seekg(sizeof(int)*numPts, ios::cur);
}
// Skip xCoords, yCoords and zCoords.
this->IFile->seekg(sizeof(float)*3*numPts, ios::cur);
}
else if (strncmp(line, "point", 5) == 0 ||
strncmp(line, "g_point", 7) == 0)
{
vtkDebugMacro("point");
this->ReadInt(&numElements);
if (numElements < 0 || numElements*(int)sizeof(int) > this->FileSize ||
numElements > this->FileSize)
{
vtkErrorMacro("Invalid number of point cells; check that ByteOrder is set correctly.");
return -1;
}
if (this->ElementIdsListed)
{ // skip element ids.
this->IFile->seekg(sizeof(int)*numElements, ios::cur);
}
// Skip nodeIdList.
this->IFile->seekg(sizeof(int)*numElements, ios::cur);
}
else if (strncmp(line, "bar2", 4) == 0 ||
strncmp(line, "g_bar2", 6) == 0)
{
vtkDebugMacro("bar2");
this->ReadInt(&numElements);
if (numElements < 0 || numElements*(int)sizeof(int) > this->FileSize ||
numElements > this->FileSize)
{
vtkErrorMacro("Invalid number of bar2 cells; check that ByteOrder is set correctly.");
return -1;
}
if (this->ElementIdsListed)
{
this->IFile->seekg(sizeof(int)*numElements, ios::cur);
}
// Skip nodeIdList.
this->IFile->seekg(sizeof(int)*2*numElements, ios::cur);
}
else if (strncmp(line, "bar3", 4) == 0 ||
strncmp(line, "g_bar3", 6) == 0)
{
vtkDebugMacro("bar3");
vtkWarningMacro("Only vertex nodes of this element will be read.");
this->ReadInt(&numElements);
if (numElements < 0 || numElements*(int)sizeof(int) > this->FileSize ||
numElements > this->FileSize)
{
vtkErrorMacro("Invalid number of bar3 cells; check that ByteOrder is set correctly.");
return -1;
}
if (this->ElementIdsListed)
{
this->IFile->seekg(sizeof(int)*numElements, ios::cur);
}
// Skip nodeIdList.
this->IFile->seekg(sizeof(int)*2*numElements, ios::cur);
}
else if (strncmp(line, "nsided", 6) == 0 ||
strncmp(line, "g_nsided", 8) == 0)
{
vtkDebugMacro("nsided");
int *numNodesPerElement;
int numNodes = 0;
//cellType = vtkEnSightReader::NSIDED;
this->ReadInt(&numElements);
if (numElements < 0 || numElements*(int)sizeof(int) > this->FileSize ||
numElements > this->FileSize)
{
vtkErrorMacro("Invalid number of nsided cells; check that ByteOrder is set correctly.");
return -1;
}
if (this->ElementIdsListed)
{
this->IFile->seekg(sizeof(int)*numElements, ios::cur);
}
numNodesPerElement = new int[numElements];
this->ReadIntArray(numNodesPerElement, numElements);
for (i = 0; i < numElements; i++)
{
numNodes += numNodesPerElement[i];
}
// Skip nodeIdList.
this->IFile->seekg(sizeof(int)*numNodes, ios::cur);
delete [] numNodesPerElement;
}
else if (strncmp(line, "tria3", 5) == 0 ||
strncmp(line, "tria6", 5) == 0 ||
strncmp(line, "g_tria3", 7) == 0 ||
strncmp(line, "g_tria6", 7) == 0)
{
if (strncmp(line, "tria6", 5) == 0 ||
strncmp(line, "g_tria6", 7) == 0)
{
vtkDebugMacro("tria6");
vtkWarningMacro("Only vertex nodes of this element will be read.");
cellType = vtkEnSightReader::TRIA6;
}
else
{
vtkDebugMacro("tria3");
cellType = vtkEnSightReader::TRIA3;
}
this->ReadInt(&numElements);
if (numElements < 0 || numElements*(int)sizeof(int) > this->FileSize ||
numElements > this->FileSize)
{
vtkErrorMacro("Invalid number of triangle cells; check that ByteOrder is set correctly.");
return -1;
}
if (this->ElementIdsListed)
{
this->IFile->seekg(sizeof(int)*numElements, ios::cur);
}
if (cellType == vtkEnSightReader::TRIA6)
{
// Skip nodeIdList.
this->IFile->seekg(sizeof(int)*6*numElements, ios::cur);
}
else
{
// Skip nodeIdList.
this->IFile->seekg(sizeof(int)*3*numElements, ios::cur);
}
}
else if (strncmp(line, "quad4", 5) == 0 ||
strncmp(line, "quad8", 5) == 0 ||
strncmp(line, "g_quad4", 7) == 0 ||
strncmp(line, "g_quad8", 7) == 0)
{
if (strncmp(line, "quad8", 5) == 0 ||
strncmp(line, "g_quad8", 7) == 0)
{
vtkDebugMacro("quad8");
vtkWarningMacro("Only vertex nodes of this element will be read.");
cellType = vtkEnSightReader::QUAD8;
}
else
{
vtkDebugMacro("quad4");
cellType = vtkEnSightReader::QUAD4;
}
this->ReadInt(&numElements);
if (numElements < 0 || numElements*(int)sizeof(int) > this->FileSize ||
numElements > this->FileSize)
{
vtkErrorMacro("Invalid number of quad cells; check that ByteOrder is set correctly.");
return -1;
}
if (this->ElementIdsListed)
{
this->IFile->seekg(sizeof(int)*numElements, ios::cur);
}
if (cellType == vtkEnSightReader::QUAD8)
{
// Skip nodeIdList.
this->IFile->seekg(sizeof(int)*8*numElements, ios::cur);
}
else
{
// Skip nodeIdList.
this->IFile->seekg(sizeof(int)*4*numElements, ios::cur);
}
}
else if (strncmp(line, "nfaced", 6) == 0)
{
vtkDebugMacro("nfaced");
int *numFacesPerElement;
int *numNodesPerFace;
int numFaces = 0;
int numNodes = 0;
this->ReadInt(&numElements);
if (numElements < 0 || numElements*(int)sizeof(int) > this->FileSize ||
numElements > this->FileSize)
{
vtkErrorMacro("Invalid number of nfaced cells; check that ByteOrder is set correctly.");
return -1;
}
if (this->ElementIdsListed)
{
this->IFile->seekg(sizeof(int)*numElements, ios::cur);
}
numFacesPerElement = new int[numElements];
this->ReadIntArray(numFacesPerElement, numElements);
for (i = 0; i < numElements; i++)
{
numFaces += numFacesPerElement[i];
}
delete [] numFacesPerElement;
numNodesPerFace = new int[numFaces];
this->ReadIntArray(numNodesPerFace, numFaces);
for (i = 0; i < numFaces; i++)
{
numNodes += numNodesPerFace[i];
}
// Skip nodeIdList.
this->IFile->seekg(sizeof(int)*numNodes, ios::cur);
delete [] numNodesPerFace;
}
else if (strncmp(line, "tetra4", 6) == 0 ||
strncmp(line, "tetra10", 7) == 0 ||
strncmp(line, "g_tetra4", 8) == 0 ||
strncmp(line, "g_tetra10", 9) == 0)
{
if (strncmp(line, "tetra10", 7) == 0 ||
strncmp(line, "g_tetra10", 9) == 0)
{
vtkDebugMacro("tetra10");
vtkWarningMacro("Only vertex nodes of this element will be read.");
cellType = vtkEnSightReader::TETRA10;
}
else
{
vtkDebugMacro("tetra4");
cellType = vtkEnSightReader::TETRA4;
}
this->ReadInt(&numElements);
if (numElements < 0 || numElements*(int)sizeof(int) > this->FileSize ||
numElements > this->FileSize)
{
vtkErrorMacro("Invalid number of tetrahedral cells; check that ByteOrder is set correctly.");
return -1;
}
if (this->ElementIdsListed)
{
this->IFile->seekg(sizeof(int)*numElements, ios::cur);
}
if (cellType == vtkEnSightReader::TETRA10)
{
// Skip nodeIdList.
this->IFile->seekg(sizeof(int)*10*numElements, ios::cur);
}
else
{
// Skip nodeIdList.
this->IFile->seekg(sizeof(int)*4*numElements, ios::cur);
}
}
else if (strncmp(line, "pyramid5", 8) == 0 ||
strncmp(line, "pyramid13", 9) == 0 ||
strncmp(line, "g_pyramid5", 10) == 0 ||
strncmp(line, "g_pyramid13", 11) == 0)
{
if (strncmp(line, "pyramid13", 9) == 0 ||
strncmp(line, "g_pyramid13", 11) == 0)
{
vtkDebugMacro("pyramid13");
vtkWarningMacro("Only vertex nodes of this element will be read.");
cellType = vtkEnSightReader::PYRAMID13;
}
else
{
vtkDebugMacro("pyramid5");
cellType = vtkEnSightReader::PYRAMID5;
}
this->ReadInt(&numElements);
if (numElements < 0 || numElements*(int)sizeof(int) > this->FileSize ||
numElements > this->FileSize)
{
vtkErrorMacro("Invalid number of pyramid cells; check that ByteOrder is set correctly.");
return -1;
}
if (this->ElementIdsListed)
{
this->IFile->seekg(sizeof(int)*numElements, ios::cur);
}
if (cellType == vtkEnSightReader::PYRAMID13)
{
// Skip nodeIdList.
this->IFile->seekg(sizeof(int)*13*numElements, ios::cur);
}
else
{
// Skip nodeIdList.
this->IFile->seekg(sizeof(int)*5*numElements, ios::cur);
}
}
else if (strncmp(line, "hexa8", 5) == 0 ||
strncmp(line, "hexa20", 6) == 0 ||
strncmp(line, "g_hexa8", 7) == 0 ||
strncmp(line, "g_hexa20", 8) == 0)
{
if (strncmp(line, "hexa20", 6) == 0 ||
strncmp(line, "g_hexa20", 8) == 0)
{
vtkDebugMacro("hexa20");
vtkWarningMacro("Only vertex nodes of this element will be read.");
cellType = vtkEnSightReader::HEXA20;
}
else
{
vtkDebugMacro("hexa8");
cellType = vtkEnSightReader::HEXA8;
}
this->ReadInt(&numElements);
if (numElements < 0 || numElements*(int)sizeof(int) > this->FileSize ||
numElements > this->FileSize)
{
vtkErrorMacro("Invalid number of hexahedral cells; check that ByteOrder is set correctly.");
return -1;
}
if (this->ElementIdsListed)
{
this->IFile->seekg(sizeof(int)*numElements, ios::cur);
}
if (cellType == vtkEnSightReader::HEXA20)
{
// Skip nodeIdList.
this->IFile->seekg(sizeof(int)*20*numElements, ios::cur);
}
else
{
// Skip nodeIdList.
this->IFile->seekg(sizeof(int)*8*numElements, ios::cur);
}
}
else if (strncmp(line, "penta6", 6) == 0 ||
strncmp(line, "penta15", 7) == 0 ||
strncmp(line, "g_penta6", 8) == 0 ||
strncmp(line, "g_penta15", 9) == 0)
{
if (strncmp(line, "penta15", 7) == 0 ||
strncmp(line, "g_penta15", 9) == 0)
{
vtkDebugMacro("penta15");
vtkWarningMacro("Only vertex nodes of this element will be read.");
cellType = vtkEnSightReader::PENTA15;
}
else
{
vtkDebugMacro("penta6");
cellType = vtkEnSightReader::PENTA6;
}
this->ReadInt(&numElements);
if (numElements < 0 || numElements*(int)sizeof(int) > this->FileSize ||
numElements > this->FileSize)
{
vtkErrorMacro("Invalid number of pentagonal cells; check that ByteOrder is set correctly.");
return -1;
}
if (this->ElementIdsListed)
{
this->IFile->seekg(sizeof(int)*numElements, ios::cur);
}
if (cellType == vtkEnSightReader::PENTA15)
{
// Skip nodeIdList.
this->IFile->seekg(sizeof(int)*15*numElements, ios::cur);
}
else
{
// Skip nodeIdList.
this->IFile->seekg(sizeof(int)*6*numElements, ios::cur);
}
}
else if (strncmp(line, "END TIME STEP", 13) == 0)
{
return 1;
}
else
{
vtkErrorMacro("undefined geometry file line");
return -1;
}
lineRead = this->ReadLine(line);
}
return lineRead;
}
//----------------------------------------------------------------------------
int vtkEnSightGoldBinaryReader::SkipRectilinearGrid(char line[256])
{
char subLine[80];
int lineRead;
int iblanked = 0;
int dimensions[3];
int numPts;
if (sscanf(line, " %*s %*s %s", subLine) == 1)
{
if (strncmp(subLine, "iblanked", 8) == 0)
{
iblanked = 1;
}
}
this->ReadIntArray(dimensions, 3);
if (dimensions[0] < 0 || dimensions[0]*(int)sizeof(int) > this->FileSize ||
dimensions[0] > this->FileSize ||
dimensions[1] < 0 || dimensions[1]*(int)sizeof(int) > this->FileSize ||
dimensions[1] > this->FileSize ||
dimensions[2] < 0 || dimensions[2]*(int)sizeof(int) > this->FileSize ||
dimensions[2] > this->FileSize ||
(dimensions[0]+dimensions[1]+dimensions[2]) < 0 ||
(dimensions[0]+dimensions[1]+dimensions[2])*(int)sizeof(int) > this->FileSize ||
(dimensions[0]+dimensions[1]+dimensions[2]) > this->FileSize)
{
vtkErrorMacro("Invalid dimensions read; check that BytetOrder is set correctly.");
return -1;
}
numPts = dimensions[0] * dimensions[1] * dimensions[2];
// Skip xCoords
this->IFile->seekg(sizeof(float)*dimensions[0], ios::cur);
// Skip yCoords
this->IFile->seekg(sizeof(float)*dimensions[1], ios::cur);
// Skip zCoords
this->IFile->seekg(sizeof(float)*dimensions[2], ios::cur);
if (iblanked)
{
vtkWarningMacro("VTK does not handle blanking for rectilinear grids.");
this->IFile->seekg(sizeof(int)*numPts, ios::cur);
}
// reading next line to check for EOF
lineRead = this->ReadLine(line);
return lineRead;
}
//----------------------------------------------------------------------------
int vtkEnSightGoldBinaryReader::SkipImageData(char line[256])
{
char subLine[80];