Nektar++
Public Member Functions | Static Public Member Functions | Static Public Attributes | Protected Member Functions | List of all members
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 625 of file OutputTecplot.cpp.

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

627 {
628  // Data format: either double or single depending on user options
629  bool useDoubles = m_config["double"].as<bool>();
630 
631  if (useDoubles)
632  {
633  // For doubles, we can just write data.
634  WriteStream(outfile, data);
635  }
636  else
637  {
638  // For single precision, needs typecast first.
639  int nPts = data.num_elements();
640  vector<float> tmp(data.num_elements());
641  std::copy(&data[0], &data[0] + nPts, &tmp[0]);
642  WriteStream(outfile, tmp);
643  }
644 }
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 853 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().

854 {
855  if (m_oneOutputFile && m_f->m_comm->GetRank() > 0)
856  {
857  // Need to amalgamate connectivity information
858  Array<OneD, int> conn(m_totConn);
859  for (int i = 0, cnt = 0; i < m_conn.size(); ++i)
860  {
861  Vmath::Vcopy(m_conn[i].num_elements(), &m_conn[i][0], 1,
862  &conn[cnt], 1);
863  cnt += m_conn[i].num_elements();
864  }
865  m_f->m_comm->Send(0, conn);
866  }
867  else
868  {
869  for (int i = 0; i < m_conn.size(); ++i)
870  {
871  WriteStream(outfile, m_conn[i]);
872  }
873 
874  if (m_oneOutputFile && m_f->m_comm->GetRank() == 0)
875  {
876  int offset = m_rankFieldSizes[0];
877 
878  for (int n = 1; n < m_f->m_comm->GetSize(); ++n)
879  {
880  Array<OneD, int> conn(m_rankConnSizes[n]);
881  m_f->m_comm->Recv(n, conn);
882 
883  for (int j = 0; j < conn.num_elements(); ++j)
884  {
885  conn[j] += offset;
886  }
887 
888  WriteStream(outfile, conn);
889  offset += m_rankFieldSizes[n];
890  }
891  }
892  }
893 }
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 427 of file OutputTecplot.cpp.

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

429 {
430  if (m_oneOutputFile && m_f->m_comm->GetRank() > 0)
431  {
432  return;
433  }
434 
435  // Version number
436  outfile << "#!TDV112";
437 
438  // Int value of 1 for endian check
439  WriteStream(outfile, 1);
440 
441  // We'll probably write a full solution field
442  WriteStream(outfile, 0);
443 
444  // Title
445  std::string title = "";
446  WriteStream(outfile, title);
447 
448  // Number of variables
449  WriteStream(outfile, (int)var.size());
450 
451  for (int i = 0; i < var.size(); ++i)
452  {
453  WriteStream(outfile, var[i]);
454  }
455 }
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 652 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().

653 {
654  Array<OneD, NekDouble> fieldMin(m_fields.num_elements());
655  Array<OneD, NekDouble> fieldMax(m_fields.num_elements());
656 
657  // Data format: either double or single depending on user options
658  bool useDoubles = m_config["double"].as<bool>();
659 
660  if ((m_oneOutputFile && m_f->m_comm->GetRank() == 0) || !m_oneOutputFile)
661  {
662  // Don't bother naming zone
663  WriteStream(outfile, 299.0f); // Zone marker
664 
665  // Write same name as preplot
666  int rank = m_f->m_comm->GetRank();
667  string zonename = "ZONE " + boost::lexical_cast<string>(rank);
668  WriteStream(outfile, zonename);
669 
670  WriteStream(outfile, -1); // No parent zone
671  WriteStream(outfile, -1); // No strand ID
672  WriteStream(outfile, 0.0); // Solution time
673  WriteStream(outfile, -1); // Unused, set to -1
674 
675  // Zone type: 1 = lineseg, 3 = quad, 5 = brick
676  WriteStream(outfile, (int)m_zoneType);
677 
678  WriteStream(outfile, 0); // Data at nodes
679  WriteStream(outfile, 0); // No 1-1 face neighbours
680  WriteStream(outfile, 0); // No user-defined connections
681 
682  if (m_zoneType == eOrdered)
683  {
684  for (int i = 0; i < m_numPoints.size(); ++i)
685  {
686  WriteStream(outfile, m_numPoints[i]);
687  }
688 
689  for (int i = m_numPoints.size(); i < 3; ++i)
690  {
691  WriteStream(outfile, 0);
692  }
693  }
694  else
695  {
696  // Number of points in zone
697  int nPoints = m_oneOutputFile ?
698  Vmath::Vsum(m_f->m_comm->GetSize(), m_rankFieldSizes, 1) :
699  m_fields[0].num_elements();
700 
701  WriteStream(outfile, nPoints); // Total number of points
702  WriteStream(outfile, m_numBlocks); // Number of blocks
703  WriteStream(outfile, 0); // Unused
704  WriteStream(outfile, 0); // Unused
705  WriteStream(outfile, 0); // Unused
706  }
707 
708  WriteStream(outfile, 0); // No auxiliary data names
709 
710  // Finalise header
711  WriteStream(outfile, 357.0f);
712 
713  // Now start to write data section so that we can dump geometry
714  // information
715 
716  // Data marker
717  WriteStream(outfile, 299.0f);
718 
719  for (int j = 0; j < m_fields.num_elements(); ++j)
720  {
721  WriteStream(outfile, useDoubles ? 2 : 1);
722  }
723 
724  // No passive variables or variable sharing, no zone connectivity
725  // sharing (we only dump one zone)
726  WriteStream(outfile, 0);
727  WriteStream(outfile, 0);
728  WriteStream(outfile, -1);
729  }
730 
731  for (int i = 0; i < m_fields.num_elements(); ++i)
732  {
733  fieldMin[i] = Vmath::Vmin(m_fields[i].num_elements(), m_fields[i], 1);
734  fieldMax[i] = Vmath::Vmax(m_fields[i].num_elements(), m_fields[i], 1);
735  }
736 
737  m_f->m_comm->AllReduce(fieldMin, LibUtilities::ReduceMin);
738  m_f->m_comm->AllReduce(fieldMax, LibUtilities::ReduceMax);
739 
740  // Write out min/max of field data
741  if ((m_oneOutputFile && m_f->m_comm->GetRank() == 0) || !m_oneOutputFile)
742  {
743  for (int i = 0; i < m_fields.num_elements(); ++i)
744  {
745  WriteStream(outfile, fieldMin[i]);
746  WriteStream(outfile, fieldMax[i]);
747  }
748  }
749 
750  if (m_oneOutputFile && m_f->m_comm->GetRank() == 0)
751  {
752  for (int i = 0; i < m_fields.num_elements(); ++i)
753  {
754  WriteDoubleOrFloat(outfile, m_fields[i]);
755 
756  for (int n = 1; n < m_f->m_comm->GetSize(); ++n)
757  {
758  Array<OneD, NekDouble> tmp(m_rankFieldSizes[n]);
759  m_f->m_comm->Recv(n, tmp);
760  WriteDoubleOrFloat(outfile, tmp);
761  }
762  }
763  }
764  else if (m_oneOutputFile && m_f->m_comm->GetRank() > 0)
765  {
766  for (int i = 0; i < m_fields.num_elements(); ++i)
767  {
768  m_f->m_comm->Send(0, m_fields[i]);
769  }
770  }
771  else
772  {
773  for (int i = 0; i < m_fields.num_elements(); ++i)
774  {
775  WriteDoubleOrFloat(outfile, m_fields[i]);
776  }
777  }
778 }
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.