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vtkEnSightGoldReader.cxx
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/*=========================================================================
Program: Visualization Toolkit
Module: vtkEnSightGoldReader.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 "vtkEnSightGoldReader.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 <ctype.h>
#include <vtkstd/string>
#include <vtkstd/vector>
vtkStandardNewMacro(vtkEnSightGoldReader);
//BTX
class UndefPartialInternal
{
public:
double UndefCoordinates;
double UndefBlock;
double UndefElementTypes;
vtkstd::vector<vtkIdType> PartialCoordinates;
vtkstd::vector<vtkIdType> PartialBlock;
vtkstd::vector<vtkIdType> PartialElementTypes;
};
//ETX
//----------------------------------------------------------------------------
vtkEnSightGoldReader::vtkEnSightGoldReader()
{
this->UndefPartial = new UndefPartialInternal;
this->NodeIdsListed = 0;
this->ElementIdsListed = 0;
}
//----------------------------------------------------------------------------
vtkEnSightGoldReader::~vtkEnSightGoldReader()
{
delete UndefPartial;
}
//----------------------------------------------------------------------------
int vtkEnSightGoldReader::ReadGeometryFile(const char* fileName, int timeStep,
vtkMultiBlockDataSet *output)
{
char line[256], subLine[256];
int partId, realId, i;
int lineRead;
// init line and subLine in case ReadLine(.), ReadNextDataLine(.), or
// sscanf(...) fails while strncmp(..) is still subsequently performed
// on these two un-assigned char arrays to cause memory leakage, as
// detected by Valgrind. As an example, VTKData/Data/EnSight/test.geo
// makes the first sscanf(...) below fail to assign 'subLine' that is
// though then accessed by strnmp(..) for comparing two char arrays.
line[0] = '\0';
subLine[0] = '\0';
// 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;
}
// In-file forward time step shifting
// for accelerated data loading (bug #9289)
if ( this->UseFileSets
&& this->ForwardTimeStepShiftIS
&& this->ForwardTimeStepShiftMode
)
{
this->IS = this->ForwardTimeStepShiftIS;
for ( i = this->PreviousTimeStepInFile; i < timeStep - 1; i ++ )
{
while ( strncmp( line, "END TIME STEP", 13 ) != 0 )
{
this->ReadLine( line );
}
this->ReadLine( line );
}
while ( strncmp( line, "BEGIN TIME STEP", 15 ) != 0 )
{
this->ReadNextDataLine( line );
}
this->ReadLine( line );
}
else
{
this->IS = new ifstream( sfilename.c_str(), ios::in );
if ( this->IS->fail() )
{
vtkErrorMacro( "Unable to open file: " << sfilename.c_str() );
delete this->IS;
this->IS = NULL;
return 0;
}
this->ReadNextDataLine( line );
sscanf( line, " %*s %s", subLine );
if ( strncmp( subLine, "Binary", 6 ) == 0 )
{
vtkErrorMacro( "This is a binary data set. Try "
<< "vtkEnSightGoldBinaryReader." );
return 0;
}
if ( this->UseFileSets )
{
for ( i = 0; i < timeStep - 1; i ++ )
{
while ( strncmp( line, "END TIME STEP", 13 ) != 0 )
{
this->ReadLine( line );
}
this->ReadLine( line );
}
while( strncmp( line, "BEGIN TIME STEP", 15 ) != 0 )
{
this->ReadNextDataLine( line );
}
this->ReadLine( line );
}
}
// Skip description lines. Using ReadLine instead of
// ReadNextDataLine because the description line could be blank.
this->ReadNextDataLine(line);
// Read the node id and element id lines.
this->ReadNextDataLine(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->ReadNextDataLine(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->ReadNextDataLine(line); // "extents" or "part"
if (strncmp(line, "extents",7) == 0)
{
// Skipping the extent lines for now.
this->ReadNextDataLine(line);
this->ReadNextDataLine(line);
this->ReadNextDataLine(line);
lineRead = this->ReadNextDataLine(line); // "part"
}
while (lineRead && strncmp(line, "part", 4) == 0)
{
this->NumberOfGeometryParts++;
this->ReadNextDataLine(line);
partId = atoi(line) - 1; // EnSight starts #ing at 1.
realId = this->InsertNewPartId(partId);
this->ReadNextDataLine(line); // part description line
char *name = strdup(line);
// fix to bug #0008305 --- 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->ReadNextDataLine(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->ForwardTimeStepShiftMode )
{
this->ForwardTimeStepShiftIS = NULL;
}
delete this->IS;
this->IS = NULL;
return 0;
}
}
free(name);
}
// In-file forward time step shifting
// for accelerated data loading (bug #9289)
if ( !this->ForwardTimeStepShiftMode && this->ForwardTimeStepShiftIS )
{
delete this->ForwardTimeStepShiftIS;
this->ForwardTimeStepShiftIS = NULL;
}
this->ForwardTimeStepShiftIS = this->IS;
this->IS = NULL;
if ( this->ForwardTimeStepShiftIS
&& this->ForwardTimeStepShiftMode == FORWARD_TIME_STEP_SHIFT_END
)
{
delete this->ForwardTimeStepShiftIS;
this->ForwardTimeStepShiftIS = NULL;
}
return 1;
}
//----------------------------------------------------------------------------
int vtkEnSightGoldReader::ReadMeasuredGeometryFile(
const char* fileName, int timeStep, vtkMultiBlockDataSet *output)
{
char line[256], subLine[256];
vtkPoints *newPoints;
int i;
int tempId;
vtkIdType id;
float coords[3];
vtkPolyData *geom;
// Initialize
//
if (!fileName)
{
vtkErrorMacro("A MeasuredFileName 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 measured geometry file: " << sfilename.c_str());
}
else
{
sfilename = fileName;
}
this->IS = new ifstream(sfilename.c_str(), ios::in);
if (this->IS->fail())
{
vtkErrorMacro("Unable to open file: " << sfilename.c_str());
delete this->IS;
this->IS = NULL;
return 0;
}
// Skip the description line. Using ReadLine instead of ReadNextDataLine
// because the description line could be blank.
this->ReadLine(line);
if (sscanf(line, " %*s %s", subLine) == 1)
{
if (strncmp(subLine, "Binary",6) == 0)
{
vtkErrorMacro("This is a binary data set. Try "
<< "vtkEnSight6BinaryReader.");
return 0;
}
}
if (this->UseFileSets)
{
for (i = 0; i < timeStep - 1; i++)
{
while (strncmp(line, "END TIME STEP", 13) != 0)
{
this->ReadLine(line);
}
this->ReadLine(line);
}
while(strncmp(line, "BEGIN TIME STEP", 15) != 0)
{
this->ReadNextDataLine(line);
}
this->ReadLine(line);
}
this->ReadLine(line); // "particle coordinates"
this->ReadLine(line);
this->NumberOfMeasuredPoints = atoi(line);
vtkDataSet* ds = this->GetDataSetFromBlock(
output, this->NumberOfGeometryParts);
if (ds == NULL || !ds->IsA("vtkPolyData"))
{
vtkDebugMacro("creating new measured geometry output");
vtkPolyData* pd = vtkPolyData::New();
pd->Allocate(this->NumberOfMeasuredPoints);
this->AddToBlock(output, this->NumberOfGeometryParts, pd);
ds = pd;
pd->Delete();
}
geom = vtkPolyData::SafeDownCast(ds);
newPoints = vtkPoints::New();
newPoints->Allocate(this->NumberOfMeasuredPoints);
for (i = 0; i < this->NumberOfMeasuredPoints; i++)
{
this->ReadLine(line);
sscanf(line, " %8d %12e %12e %12e", &tempId, &coords[0], &coords[1],
&coords[2]);
// It seems EnSight always enumerate point indices from 1 to N
// (not from 0 to N-1) and therefore there is no need to determine
// flag 'ParticleCoordinatesByIndex'. Instead let's just use 'i',
// or probably more safely (tempId - 1), as the point index. In this
// way the geometry that is defined by the datasets mentioned in
// bug #0008236 can be properly constructed. Fix to bug #0008236.
id = i;
newPoints->InsertNextPoint(coords);
geom->InsertNextCell(VTK_VERTEX, 1, &id);
}
geom->SetPoints(newPoints);
newPoints->Delete();
return 1;
}
//----------------------------------------------------------------------------
int vtkEnSightGoldReader::ReadScalarsPerNode(const char* fileName, const char* description,
int timeStep, vtkMultiBlockDataSet *compositeOutput,
int measured,
int numberOfComponents,
int component)
{
char line[256], formatLine[256], tempLine[256];
int partId, realId, numPts, i, j, numLines, moreScalars;
vtkFloatArray *scalars;
float scalarsRead[6];
vtkDataSet *output;
// Initialize
//
if (!fileName)
{
vtkErrorMacro("NULL ScalarPerNode variable file name");
return 0;
}
vtkstd::string sfilename;
if (this->FilePath)
{
sfilename = this->FilePath;
if (sfilename.at(sfilename.length()-1) != '/')
{
sfilename += "/";
}
sfilename += fileName;
vtkDebugMacro("full path to scalar per node file: " << sfilename.c_str());
}
else
{
sfilename = fileName;
}
this->IS = new ifstream(sfilename.c_str(), ios::in);
if (this->IS->fail())
{
vtkErrorMacro("Unable to open file: " << sfilename.c_str());
delete this->IS;
this->IS = NULL;
return 0;
}
if (this->UseFileSets)
{
for (i = 0; i < timeStep - 1; i++)
{
this->ReadLine(line);
while (strncmp(line, "END TIME STEP", 13) != 0)
{
this->ReadLine(line);
}
}
this->ReadLine(line);
while (strncmp(line, "BEGIN TIME STEP", 15) != 0)
{
this->ReadLine(line);
}
}
this->ReadNextDataLine(line); // skip the description line
if (measured)
{
output = this->GetDataSetFromBlock(
compositeOutput, this->NumberOfGeometryParts);
numPts = output->GetNumberOfPoints();
if (numPts)
{
numLines = numPts / 6;
moreScalars = numPts % 6;
scalars = vtkFloatArray::New();
scalars->SetNumberOfTuples(numPts);
scalars->SetNumberOfComponents(numberOfComponents);
scalars->Allocate(numPts * numberOfComponents);
this->ReadNextDataLine(line);
for (i = 0; i < numLines; i++)
{
sscanf(line, " %12e %12e %12e %12e %12e %12e", &scalarsRead[0],
&scalarsRead[1], &scalarsRead[2], &scalarsRead[3],
&scalarsRead[4], &scalarsRead[5]);
for (j = 0; j < 6; j++)
{
scalars->InsertComponent(i*6 + j, component, scalarsRead[j]);
}
this->ReadNextDataLine(line);
}
strcpy(formatLine, "");
strcpy(tempLine, "");
for (j = 0; j < moreScalars; j++)
{
strcat(formatLine, " %12e");
sscanf(line, formatLine, &scalarsRead[j]);
scalars->InsertComponent(i*6 + j, component, scalarsRead[j]);
strcat(tempLine, " %*12e");
strcpy(formatLine, tempLine);
}
scalars->SetName(description);
output->GetPointData()->AddArray(scalars);
if (!output->GetPointData()->GetScalars())
{
output->GetPointData()-> SetScalars(scalars);
}
scalars->Delete();
}
delete this->IS;
this->IS = NULL;
return 1;
}
while (this->ReadNextDataLine(line) &&
strncmp(line, "part",4) == 0)
{
this->ReadNextDataLine(line);
partId = atoi(line) - 1; // EnSight starts #ing with 1.
realId = this->InsertNewPartId(partId);
output = this->GetDataSetFromBlock(compositeOutput, realId);
numPts = output->GetNumberOfPoints();
if (numPts)
{
this->ReadNextDataLine(line); // "coordinates" or "block"
int partial = this->CheckForUndefOrPartial(line);
if (component == 0)
{
scalars = vtkFloatArray::New();
scalars->SetNumberOfTuples(numPts);
scalars->SetNumberOfComponents(numberOfComponents);
scalars->Allocate(numPts * numberOfComponents);
}
else
{
scalars = (vtkFloatArray*)(output->GetPointData()->
GetArray(description));
}
// If the keyword 'partial' was found, we should replace unspecified
// coordinate to take the value specified in the 'undef' field
if( partial )
{
int l = 0;
double val;
for (i = 0; i < numPts; i++)
{
if( i == this->UndefPartial->PartialCoordinates[l] )
{
this->ReadNextDataLine(line);
val = atof( line );
}
else
{
val = this->UndefPartial->UndefCoordinates;
l++;
}
scalars->InsertComponent(i, component, val);
}
}
else
{
for (i = 0; i < numPts; i++)
{
this->ReadNextDataLine(line);
scalars->InsertComponent(i, component, atof(line));
}
}
if (component == 0)
{
scalars->SetName(description);
output->GetPointData()->AddArray(scalars);
if (!output->GetPointData()->GetScalars())
{
output->GetPointData()->SetScalars(scalars);
}
scalars->Delete();
}
else
{
output->GetPointData()->AddArray(scalars);
}
}
}
delete this->IS;
this->IS = NULL;
return 1;
}
//----------------------------------------------------------------------------
int vtkEnSightGoldReader::ReadVectorsPerNode(const char* fileName, const char* description,
int timeStep, vtkMultiBlockDataSet *compositeOutput,
int measured)
{
char line[256], formatLine[256], tempLine[256];
int partId, realId, numPts, i, j, numLines, moreVectors;
vtkFloatArray *vectors;
float vector1[3], vector2[3];
vtkDataSet *output;
// Initialize
//
if (!fileName)
{
vtkErrorMacro("NULL VectorPerNode variable file name");
return 0;
}
vtkstd::string sfilename;
if (this->FilePath)
{
sfilename = this->FilePath;
if (sfilename.at(sfilename.length()-1) != '/')
{
sfilename += "/";
}
sfilename += fileName;
vtkDebugMacro("full path to vector per node file: " << sfilename.c_str());
}
else
{
sfilename = fileName;
}
this->IS = new ifstream(sfilename.c_str(), ios::in);
if (this->IS->fail())
{
vtkErrorMacro("Unable to open file: " << sfilename.c_str());
delete this->IS;
this->IS = NULL;
return 0;
}
if (this->UseFileSets)
{
for (i = 0; i < timeStep - 1; i++)
{
this->ReadLine(line);
while (strncmp(line, "END TIME STEP", 13) != 0)
{
this->ReadLine(line);
}
}
this->ReadLine(line);
while (strncmp(line, "BEGIN TIME STEP", 15) != 0)
{
this->ReadLine(line);
}
}
this->ReadNextDataLine(line); // skip the description line
if (measured)
{
output = this->GetDataSetFromBlock(
compositeOutput, this->NumberOfGeometryParts);
numPts = output->GetNumberOfPoints();
if (numPts)
{
this->ReadNextDataLine(line);
numLines = numPts / 2;
moreVectors = ((numPts * 3) % 6) / 3;
vectors = vtkFloatArray::New();
vectors->SetNumberOfTuples(numPts);
vectors->SetNumberOfComponents(3);
vectors->Allocate(numPts*3);
for (i = 0; i < numLines; i++)
{
sscanf(line, " %12e %12e %12e %12e %12e %12e", &vector1[0],
&vector1[1], &vector1[2], &vector2[0], &vector2[1],
&vector2[2]);
vectors->InsertTuple(i*2, vector1);
vectors->InsertTuple(i*2 + 1, vector2);
this->ReadNextDataLine(line);
}
strcpy(formatLine, "");
strcpy(tempLine, "");
for (j = 0; j < moreVectors; j++)
{
strcat(formatLine, " %12e %12e %12e");
sscanf(line, formatLine, &vector1[0], &vector1[1], &vector1[2]);
vectors->InsertTuple(i*2 + j, vector1);
strcat(tempLine, " %*12e %*12e %*12e");
strcpy(formatLine, tempLine);
}
vectors->SetName(description);
output->GetPointData()->AddArray(vectors);
if (!output->GetPointData()->GetVectors())
{
output->GetPointData()->SetVectors(vectors);
}
vectors->Delete();
}
delete this->IS;
this->IS = NULL;
return 1;
}
while (this->ReadNextDataLine(line) &&
strncmp(line, "part",4) == 0)
{
this->ReadNextDataLine(line);
partId = atoi(line) - 1; // EnSight starts #ing with 1.
realId = this->InsertNewPartId(partId);
output = this->GetDataSetFromBlock(compositeOutput, realId);
numPts = output->GetNumberOfPoints();
if (numPts)
{
vectors = vtkFloatArray::New();
this->ReadNextDataLine(line); // "coordinates" or "block"
vectors->SetNumberOfTuples(numPts);
vectors->SetNumberOfComponents(3);
vectors->Allocate(numPts*3);
for (i = 0; i < 3; i++)
{
for (j = 0; j < numPts; j++)
{
this->ReadNextDataLine(line);
vectors->InsertComponent(j, i, atof(line));
}
}
vectors->SetName(description);
output->GetPointData()->AddArray(vectors);
if (!output->GetPointData()->GetVectors())
{
output->GetPointData()->SetVectors(vectors);
}
vectors->Delete();
}
}
delete this->IS;
this->IS = NULL;
return 1;
}
//----------------------------------------------------------------------------
int vtkEnSightGoldReader::ReadTensorsPerNode(const char* fileName, const char* description,
int timeStep, vtkMultiBlockDataSet *compositeOutput)
{
char line[256];
int partId, realId, numPts, i, j;
vtkFloatArray *tensors;
vtkDataSet *output;
// Initialize
//
if (!fileName)
{
vtkErrorMacro("NULL TensorPerNode variable file name");
return 0;
}
vtkstd::string sfilename;
if (this->FilePath)
{
sfilename = this->FilePath;
if (sfilename.at(sfilename.length()-1) != '/')
{
sfilename += "/";
}
sfilename += fileName;
vtkDebugMacro("full path to tensor per node file: " << sfilename.c_str());
}
else
{
sfilename = fileName;
}
this->IS = new ifstream(sfilename.c_str(), ios::in);
if (this->IS->fail())
{
vtkErrorMacro("Unable to open file: " << sfilename.c_str());
delete this->IS;
this->IS = NULL;
return 0;
}
if (this->UseFileSets)
{
for (i = 0; i < timeStep - 1; i++)
{
this->ReadLine(line);
while (strncmp(line, "END TIME STEP", 13) != 0)
{
this->ReadLine(line);
}
}
this->ReadLine(line);
while (strncmp(line, "BEGIN TIME STEP", 15) != 0)
{
this->ReadLine(line);
}
}
this->ReadNextDataLine(line); // skip the description line
while (this->ReadNextDataLine(line) &&
strncmp(line, "part",4) == 0)
{
this->ReadNextDataLine(line);
partId = atoi(line) - 1; // EnSight starts #ing with 1.
realId = this->InsertNewPartId(partId);
output = this->GetDataSetFromBlock(compositeOutput, realId);
numPts = output->GetNumberOfPoints();
if (numPts)
{
tensors = vtkFloatArray::New();
this->ReadNextDataLine(line); // "coordinates" or "block"
tensors->SetNumberOfTuples(numPts);
tensors->SetNumberOfComponents(6);
tensors->Allocate(numPts*6);
for (i = 0; i < 6; i++)
{
for (j = 0; j < numPts; j++)
{
this->ReadNextDataLine(line);
tensors->InsertComponent(j, i, atof(line));
}
}
tensors->SetName(description);
output->GetPointData()->AddArray(tensors);
tensors->Delete();
}
}
delete this->IS;
this->IS = NULL;
return 1;
}
//----------------------------------------------------------------------------
int vtkEnSightGoldReader::ReadScalarsPerElement(const char* fileName,
const char* description,
int timeStep,
vtkMultiBlockDataSet *compositeOutput,
int numberOfComponents,
int component)
{
char line[256];
int partId, realId, numCells, numCellsPerElement, i, idx;
vtkFloatArray *scalars;
int lineRead, elementType;
float scalar;
vtkDataSet *output;
// Initialize
//
if (!fileName)
{
vtkErrorMacro("NULL ScalarPerElement variable file name");
return 0;
}
vtkstd::string sfilename;
if (this->FilePath)
{
sfilename = this->FilePath;
if (sfilename.at(sfilename.length()-1) != '/')
{
sfilename += "/";
}
sfilename += fileName;
vtkDebugMacro("full path to scalar per element file: " << sfilename.c_str());
}
else
{
sfilename = fileName;
}
this->IS = new ifstream(sfilename.c_str(), ios::in);
if (this->IS->fail())
{
vtkErrorMacro("Unable to open file: " << sfilename.c_str());
delete this->IS;
this->IS = NULL;
return 0;
}
if (this->UseFileSets)
{
for (i = 0; i < timeStep - 1; i++)
{
this->ReadLine(line);
while (strncmp(line, "END TIME STEP", 13) != 0)
{
this->ReadLine(line);
}
}
this->ReadLine(line);
while (strncmp(line, "BEGIN TIME STEP", 15) != 0)
{
this->ReadLine(line);
}
}
this->ReadNextDataLine(line); // skip the description line
lineRead = this->ReadNextDataLine(line); // "part"
while (lineRead && strncmp(line, "part",4) == 0)
{
this->ReadNextDataLine(line);
partId = atoi(line) - 1; // EnSight starts #ing with 1.
realId = this->InsertNewPartId(partId);
output = this->GetDataSetFromBlock(compositeOutput, realId);
numCells = output->GetNumberOfCells();
if (numCells)
{
this->ReadNextDataLine(line); // element type or "block"
if (component == 0)
{
scalars = vtkFloatArray::New();
scalars->SetNumberOfComponents(numberOfComponents);
scalars->SetNumberOfTuples(numCells);
}
else
{
scalars =
(vtkFloatArray*)(output->GetCellData()->GetArray(description));
}
// need to find out from CellIds how many cells we have of this element
// type (and what their ids are) -- IF THIS IS NOT A BLOCK SECTION
if (strncmp(line, "block",5) == 0)
{
for (i = 0; i < numCells; i++)
{
this->ReadNextDataLine(line);
scalar = atof(line);
scalars->InsertComponent(i, component, scalar);
}
lineRead = this->ReadNextDataLine(line);
}
else
{
while (lineRead && strncmp(line, "part",4) != 0 &&
strncmp(line, "END TIME STEP", 13) != 0)
{
elementType = this->GetElementType(line);
// Check if line contains either 'partial' or 'undef' keyword
int partial = this->CheckForUndefOrPartial(line);
if (elementType == -1)
{
vtkErrorMacro("Unknown element type \"" << line << "\"");
delete this->IS;
this->IS = NULL;
if (component == 0)
{
scalars->Delete();
}
return 0;
}
idx = this->UnstructuredPartIds->IsId(realId);
numCellsPerElement =
this->GetCellIds(idx, elementType)->GetNumberOfIds();
// If the 'partial' keyword was found, we should replace
// unspecified coordinate with value specified in the 'undef' section
if( partial )
{
int j = 0;
for (i = 0; i < numCellsPerElement; i++)
{
if( i == this->UndefPartial->PartialElementTypes[j] )
{
this->ReadNextDataLine(line);
scalar = atof(line);
}
else
{
scalar = this->UndefPartial->UndefElementTypes;
j++; //go on to the next value in the partial list
}
scalars->InsertComponent( this->GetCellIds(idx,
elementType)->GetId(i), component, scalar);
}
}
else
{
for (i = 0; i < numCellsPerElement; i++)
{