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Nektar::FieldUtils::OutputTecplotBinary Class Reference

Tecplot output class, specifically for binary field output. More...

#include <OutputTecplot.h>

Inheritance diagram for Nektar::FieldUtils::OutputTecplotBinary:
[legend]

Public Member Functions

 OutputTecplotBinary (FieldSharedPtr f)
 
virtual ~OutputTecplotBinary ()
 
- Public Member Functions inherited from Nektar::FieldUtils::OutputTecplot
 OutputTecplot (FieldSharedPtr f)
 
virtual ~OutputTecplot ()
 
virtual void Process (po::variables_map &vm)
 Write fld to output file. More...
 
virtual std::string GetModuleName ()
 
- Public Member Functions inherited from Nektar::FieldUtils::OutputFileBase
 OutputFileBase (FieldSharedPtr f)
 
virtual ~OutputFileBase ()
 
virtual std::string GetModuleDescription ()
 
virtual ModulePriority GetModulePriority ()
 
- Public Member Functions inherited from Nektar::FieldUtils::OutputModule
 OutputModule (FieldSharedPtr p_f)
 
FIELD_UTILS_EXPORT void OpenStream ()
 Open a file for output. More...
 
- Public Member Functions inherited from Nektar::FieldUtils::Module
FIELD_UTILS_EXPORT Module (FieldSharedPtr p_f)
 
FIELD_UTILS_EXPORT void RegisterConfig (std::string key, std::string value="")
 Register a configuration option with a module. More...
 
FIELD_UTILS_EXPORT void PrintConfig ()
 Print out all configuration options for a module. More...
 
FIELD_UTILS_EXPORT void SetDefaults ()
 Sets default configuration options for those which have not been set. More...
 
FIELD_UTILS_EXPORT void EvaluateTriFieldAtEquiSpacedPts (LocalRegions::ExpansionSharedPtr &exp, const Array< OneD, const NekDouble > &infield, Array< OneD, NekDouble > &outfield)
 

Static Public Member Functions

static std::shared_ptr< Modulecreate (FieldSharedPtr f)
 Creates an instance of this class. More...
 
- Static Public Member Functions inherited from Nektar::FieldUtils::OutputTecplot
static std::shared_ptr< Modulecreate (FieldSharedPtr f)
 Creates an instance of this class. More...
 

Static Public Attributes

static ModuleKey m_className
 
- Static Public Attributes inherited from Nektar::FieldUtils::OutputTecplot
static ModuleKey m_className
 

Protected Member Functions

void WriteDoubleOrFloat (std::ofstream &outfile, Array< OneD, NekDouble > &data)
 Write either double-precision or single-precision output of field data. More...
 
virtual void WriteTecplotHeader (std::ofstream &outfile, std::vector< std::string > &var)
 Write Tecplot files header in binary format. More...
 
virtual void WriteTecplotZone (std::ofstream &outfile)
 
virtual void WriteTecplotConnectivity (std::ofstream &outfile)
 Write Tecplot connectivity information (ASCII) More...
 
- Protected Member Functions inherited from Nektar::FieldUtils::OutputTecplot
virtual void OutputFromPts (po::variables_map &vm)
 Write from pts to output file. More...
 
virtual void OutputFromExp (po::variables_map &vm)
 Write from m_exp to output file. More...
 
virtual void OutputFromData (po::variables_map &vm)
 Write from data to output file. More...
 
virtual fs::path GetPath (std::string &filename, po::variables_map &vm)
 
virtual fs::path GetFullOutName (std::string &filename, po::variables_map &vm)
 
void WriteTecplotFile (po::variables_map &vm)
 
int GetNumTecplotBlocks ()
 Calculate number of Tecplot blocks. More...
 
void CalculateConnectivity ()
 Calculate connectivity information for each expansion dimension. More...
 
- Protected Member Functions inherited from Nektar::FieldUtils::Module
 Module ()
 

Additional Inherited Members

- Protected Attributes inherited from Nektar::FieldUtils::OutputTecplot
bool m_binary
 True if writing binary field output. More...
 
bool m_oneOutputFile
 True if writing a single output file. More...
 
bool m_writeHeader
 True if writing header. More...
 
TecplotZoneType m_zoneType
 Tecplot zone type of output. More...
 
vector< int > m_numPoints
 Number of points per block in Tecplot file. More...
 
int m_numBlocks
 Number of blocks in Tecplot file. More...
 
int m_coordim
 Coordinate dimension of output. More...
 
int m_totConn
 Total number of connectivity entries. More...
 
vector< Array< OneD, int > > m_conn
 Connectivty for each block: one per element. More...
 
Array< OneD, int > m_rankFieldSizes
 Each rank's field sizes. More...
 
Array< OneD, int > m_rankConnSizes
 Each rank's connectivity sizes. More...
 
Array< OneD, Array< OneD, NekDouble > > m_fields
 Field data to output. More...
 
- Protected Attributes inherited from Nektar::FieldUtils::OutputFileBase
bool m_requireEquiSpaced
 
- Protected Attributes inherited from Nektar::FieldUtils::OutputModule
std::ofstream m_fldFile
 Output stream. More...
 
- Protected Attributes inherited from Nektar::FieldUtils::Module
FieldSharedPtr m_f
 Field object. More...
 
std::map< std::string, ConfigOptionm_config
 List of configuration values. More...
 

Detailed Description

Tecplot output class, specifically for binary field output.

Definition at line 137 of file OutputTecplot.h.

Constructor & Destructor Documentation

◆ OutputTecplotBinary()

Nektar::FieldUtils::OutputTecplotBinary::OutputTecplotBinary ( FieldSharedPtr  f)
inline

Definition at line 147 of file OutputTecplot.h.

References Nektar::FieldUtils::OutputTecplot::m_binary.

147  : OutputTecplot(f)
148  {
149  m_binary = true;
150  }
bool m_binary
True if writing binary field output.
Definition: OutputTecplot.h:98

◆ ~OutputTecplotBinary()

virtual Nektar::FieldUtils::OutputTecplotBinary::~OutputTecplotBinary ( )
inlinevirtual

Member Function Documentation

◆ create()

static std::shared_ptr<Module> Nektar::FieldUtils::OutputTecplotBinary::create ( FieldSharedPtr  f)
inlinestatic

Creates an instance of this class.

Definition at line 141 of file OutputTecplot.h.

References Nektar::MemoryManager< DataType >::AllocateSharedPtr().

142  {
144  }
static std::shared_ptr< DataType > AllocateSharedPtr(const Args &...args)
Allocate a shared pointer from the memory pool.

◆ WriteDoubleOrFloat()

void Nektar::FieldUtils::OutputTecplotBinary::WriteDoubleOrFloat ( std::ofstream &  outfile,
Array< OneD, NekDouble > &  data 
)
protected

Write either double-precision or single-precision output of field data.

Parameters
outfileOutput file name.
expansionExpansion that is considered

Definition at line 669 of file OutputTecplot.cpp.

References CellMLToNektar.pycml::copy(), Nektar::FieldUtils::Module::m_config, and Nektar::FieldUtils::WriteStream().

671 {
672  // Data format: either double or single depending on user options
673  bool useDoubles = m_config["double"].as<bool>();
674 
675  if (useDoubles)
676  {
677  // For doubles, we can just write data.
678  WriteStream(outfile, data);
679  }
680  else
681  {
682  // For single precision, needs typecast first.
683  int nPts = data.num_elements();
684  vector<float> tmp(data.num_elements());
685  std::copy(&data[0], &data[0] + nPts, &tmp[0]);
686  WriteStream(outfile, tmp);
687  }
688 }
std::map< std::string, ConfigOption > m_config
List of configuration values.
def copy(self)
Definition: pycml.py:2663
void WriteStream(std::ostream &outfile, T data)
Helper function to write binary data to stream.

◆ WriteTecplotConnectivity()

void Nektar::FieldUtils::OutputTecplotBinary::WriteTecplotConnectivity ( std::ofstream &  outfile)
protectedvirtual

Write Tecplot connectivity information (ASCII)

Parameters
outfileOutput file

Reimplemented from Nektar::FieldUtils::OutputTecplot.

Definition at line 897 of file OutputTecplot.cpp.

References Nektar::FieldUtils::OutputTecplot::m_conn, Nektar::FieldUtils::Module::m_f, Nektar::FieldUtils::OutputTecplot::m_oneOutputFile, Nektar::FieldUtils::OutputTecplot::m_rankConnSizes, Nektar::FieldUtils::OutputTecplot::m_rankFieldSizes, Nektar::FieldUtils::OutputTecplot::m_totConn, Vmath::Vcopy(), and Nektar::FieldUtils::WriteStream().

898 {
899  if (m_oneOutputFile && m_f->m_comm->GetRank() > 0)
900  {
901  // Need to amalgamate connectivity information
902  Array<OneD, int> conn(m_totConn);
903  for (int i = 0, cnt = 0; i < m_conn.size(); ++i)
904  {
905  Vmath::Vcopy(m_conn[i].num_elements(), &m_conn[i][0], 1,
906  &conn[cnt], 1);
907  cnt += m_conn[i].num_elements();
908  }
909  m_f->m_comm->Send(0, conn);
910  }
911  else
912  {
913  for (int i = 0; i < m_conn.size(); ++i)
914  {
915  WriteStream(outfile, m_conn[i]);
916  }
917 
918  if (m_oneOutputFile && m_f->m_comm->GetRank() == 0)
919  {
920  int offset = m_rankFieldSizes[0];
921 
922  for (int n = 1; n < m_f->m_comm->GetSize(); ++n)
923  {
924  Array<OneD, int> conn(m_rankConnSizes[n]);
925  m_f->m_comm->Recv(n, conn);
926 
927  for (int j = 0; j < conn.num_elements(); ++j)
928  {
929  conn[j] += offset;
930  }
931 
932  WriteStream(outfile, conn);
933  offset += m_rankFieldSizes[n];
934  }
935  }
936  }
937 }
Array< OneD, int > m_rankConnSizes
Each rank&#39;s connectivity sizes.
bool m_oneOutputFile
True if writing a single output file.
Array< OneD, int > m_rankFieldSizes
Each rank&#39;s field sizes.
vector< Array< OneD, int > > m_conn
Connectivty for each block: one per element.
int m_totConn
Total number of connectivity entries.
void WriteStream(std::ostream &outfile, T data)
Helper function to write binary data to stream.
void Vcopy(int n, const T *x, const int incx, T *y, const int incy)
Definition: Vmath.cpp:1064
FieldSharedPtr m_f
Field object.

◆ WriteTecplotHeader()

void Nektar::FieldUtils::OutputTecplotBinary::WriteTecplotHeader ( std::ofstream &  outfile,
std::vector< std::string > &  var 
)
protectedvirtual

Write Tecplot files header in binary format.

Parameters
outfileOutput file name
varVariables names

Reimplemented from Nektar::FieldUtils::OutputTecplot.

Definition at line 471 of file OutputTecplot.cpp.

References Nektar::FieldUtils::Module::m_f, Nektar::FieldUtils::OutputTecplot::m_oneOutputFile, CG_Iterations::title, and Nektar::FieldUtils::WriteStream().

473 {
474  if (m_oneOutputFile && m_f->m_comm->GetRank() > 0)
475  {
476  return;
477  }
478 
479  // Version number
480  outfile << "#!TDV112";
481 
482  // Int value of 1 for endian check
483  WriteStream(outfile, 1);
484 
485  // We'll probably write a full solution field
486  WriteStream(outfile, 0);
487 
488  // Title
489  std::string title = "";
490  WriteStream(outfile, title);
491 
492  // Number of variables
493  WriteStream(outfile, (int)var.size());
494 
495  for (int i = 0; i < var.size(); ++i)
496  {
497  WriteStream(outfile, var[i]);
498  }
499 }
bool m_oneOutputFile
True if writing a single output file.
void WriteStream(std::ostream &outfile, T data)
Helper function to write binary data to stream.
FieldSharedPtr m_f
Field object.

◆ WriteTecplotZone()

void Nektar::FieldUtils::OutputTecplotBinary::WriteTecplotZone ( std::ofstream &  outfile)
protectedvirtual

Write Tecplot zone output in binary

Parameters
outfileOutput file name.
expansionExpansion that is considered

Reimplemented from Nektar::FieldUtils::OutputTecplot.

Definition at line 696 of file OutputTecplot.cpp.

References Nektar::FieldUtils::eOrdered, Nektar::FieldUtils::Module::m_config, Nektar::FieldUtils::Module::m_f, Nektar::FieldUtils::OutputTecplot::m_fields, Nektar::FieldUtils::OutputTecplot::m_numBlocks, Nektar::FieldUtils::OutputTecplot::m_numPoints, Nektar::FieldUtils::OutputTecplot::m_oneOutputFile, Nektar::FieldUtils::OutputTecplot::m_rankFieldSizes, Nektar::FieldUtils::OutputTecplot::m_zoneType, Nektar::LibUtilities::ReduceMax, Nektar::LibUtilities::ReduceMin, Vmath::Vmax(), Vmath::Vmin(), Vmath::Vsum(), and Nektar::FieldUtils::WriteStream().

697 {
698  Array<OneD, NekDouble> fieldMin(m_fields.num_elements());
699  Array<OneD, NekDouble> fieldMax(m_fields.num_elements());
700 
701  // Data format: either double or single depending on user options
702  bool useDoubles = m_config["double"].as<bool>();
703 
704  if ((m_oneOutputFile && m_f->m_comm->GetRank() == 0) || !m_oneOutputFile)
705  {
706  // Don't bother naming zone
707  WriteStream(outfile, 299.0f); // Zone marker
708 
709  // Write same name as preplot
710  int rank = m_f->m_comm->GetRank();
711  string zonename = "ZONE " + boost::lexical_cast<string>(rank);
712  WriteStream(outfile, zonename);
713 
714  WriteStream(outfile, -1); // No parent zone
715  WriteStream(outfile, -1); // No strand ID
716  WriteStream(outfile, 0.0); // Solution time
717  WriteStream(outfile, -1); // Unused, set to -1
718 
719  // Zone type: 1 = lineseg, 3 = quad, 5 = brick
720  WriteStream(outfile, (int)m_zoneType);
721 
722  WriteStream(outfile, 0); // Data at nodes
723  WriteStream(outfile, 0); // No 1-1 face neighbours
724  WriteStream(outfile, 0); // No user-defined connections
725 
726  if (m_zoneType == eOrdered)
727  {
728  for (int i = 0; i < m_numPoints.size(); ++i)
729  {
730  WriteStream(outfile, m_numPoints[i]);
731  }
732 
733  for (int i = m_numPoints.size(); i < 3; ++i)
734  {
735  WriteStream(outfile, 0);
736  }
737  }
738  else
739  {
740  // Number of points in zone
741  int nPoints = m_oneOutputFile ?
742  Vmath::Vsum(m_f->m_comm->GetSize(), m_rankFieldSizes, 1) :
743  m_fields[0].num_elements();
744 
745  WriteStream(outfile, nPoints); // Total number of points
746  WriteStream(outfile, m_numBlocks); // Number of blocks
747  WriteStream(outfile, 0); // Unused
748  WriteStream(outfile, 0); // Unused
749  WriteStream(outfile, 0); // Unused
750  }
751 
752  WriteStream(outfile, 0); // No auxiliary data names
753 
754  // Finalise header
755  WriteStream(outfile, 357.0f);
756 
757  // Now start to write data section so that we can dump geometry
758  // information
759 
760  // Data marker
761  WriteStream(outfile, 299.0f);
762 
763  for (int j = 0; j < m_fields.num_elements(); ++j)
764  {
765  WriteStream(outfile, useDoubles ? 2 : 1);
766  }
767 
768  // No passive variables or variable sharing, no zone connectivity
769  // sharing (we only dump one zone)
770  WriteStream(outfile, 0);
771  WriteStream(outfile, 0);
772  WriteStream(outfile, -1);
773  }
774 
775  for (int i = 0; i < m_fields.num_elements(); ++i)
776  {
777  fieldMin[i] = Vmath::Vmin(m_fields[i].num_elements(), m_fields[i], 1);
778  fieldMax[i] = Vmath::Vmax(m_fields[i].num_elements(), m_fields[i], 1);
779  }
780 
781  m_f->m_comm->AllReduce(fieldMin, LibUtilities::ReduceMin);
782  m_f->m_comm->AllReduce(fieldMax, LibUtilities::ReduceMax);
783 
784  // Write out min/max of field data
785  if ((m_oneOutputFile && m_f->m_comm->GetRank() == 0) || !m_oneOutputFile)
786  {
787  for (int i = 0; i < m_fields.num_elements(); ++i)
788  {
789  WriteStream(outfile, fieldMin[i]);
790  WriteStream(outfile, fieldMax[i]);
791  }
792  }
793 
794  if (m_oneOutputFile && m_f->m_comm->GetRank() == 0)
795  {
796  for (int i = 0; i < m_fields.num_elements(); ++i)
797  {
798  WriteDoubleOrFloat(outfile, m_fields[i]);
799 
800  for (int n = 1; n < m_f->m_comm->GetSize(); ++n)
801  {
802  Array<OneD, NekDouble> tmp(m_rankFieldSizes[n]);
803  m_f->m_comm->Recv(n, tmp);
804  WriteDoubleOrFloat(outfile, tmp);
805  }
806  }
807  }
808  else if (m_oneOutputFile && m_f->m_comm->GetRank() > 0)
809  {
810  for (int i = 0; i < m_fields.num_elements(); ++i)
811  {
812  m_f->m_comm->Send(0, m_fields[i]);
813  }
814  }
815  else
816  {
817  for (int i = 0; i < m_fields.num_elements(); ++i)
818  {
819  WriteDoubleOrFloat(outfile, m_fields[i]);
820  }
821  }
822 }
std::map< std::string, ConfigOption > m_config
List of configuration values.
TecplotZoneType m_zoneType
Tecplot zone type of output.
T Vmax(int n, const T *x, const int incx)
Return the maximum element in x – called vmax to avoid conflict with max.
Definition: Vmath.cpp:782
T Vmin(int n, const T *x, const int incx)
Return the minimum element in x - called vmin to avoid conflict with min.
Definition: Vmath.cpp:874
bool m_oneOutputFile
True if writing a single output file.
void WriteDoubleOrFloat(std::ofstream &outfile, Array< OneD, NekDouble > &data)
Write either double-precision or single-precision output of field data.
Array< OneD, int > m_rankFieldSizes
Each rank&#39;s field sizes.
int m_numBlocks
Number of blocks in Tecplot file.
Array< OneD, Array< OneD, NekDouble > > m_fields
Field data to output.
T Vsum(int n, const T *x, const int incx)
Subtract return sum(x)
Definition: Vmath.cpp:740
void WriteStream(std::ostream &outfile, T data)
Helper function to write binary data to stream.
vector< int > m_numPoints
Number of points per block in Tecplot file.
FieldSharedPtr m_f
Field object.

Member Data Documentation

◆ m_className

ModuleKey Nektar::FieldUtils::OutputTecplotBinary::m_className
static
Initial value:
=
"Writes a Tecplot file in binary plt format.")

Definition at line 146 of file OutputTecplot.h.