Nektar::Utilities::OutputFld Class Reference

Converter from fld to vtk. More...

#include <OutputFld.h>

Inheritance diagram for Nektar::Utilities::OutputFld:

Collaboration diagram for Nektar::Utilities::OutputFld:

Public Member Functions
	OutputFld (FieldSharedPtr f)
virtual	~OutputFld ()
virtual void	Process (po::variables_map &vm)
	Write fld to output file.
Public Member Functions inherited from Nektar::Utilities::OutputModule
	OutputModule (FieldSharedPtr p_f)
void	OpenStream ()
	Open a file for output.
	OutputModule (MeshSharedPtr p_m)
void	OpenStream ()
Public Member Functions inherited from Nektar::Utilities::Module
	Module (FieldSharedPtr p_f)
void	RegisterConfig (string key, string value)
	Register a configuration option with a module.
void	PrintConfig ()
	Print out all configuration options for a module.
void	SetDefaults ()
	Sets default configuration options for those which have not been set.
bool	GetRequireEquiSpaced (void)
void	SetRequireEquiSpaced (bool pVal)
	Module (MeshSharedPtr p_m)
virtual void	Process ()=0
void	RegisterConfig (string key, string value)
void	PrintConfig ()
void	SetDefaults ()
MeshSharedPtr	GetMesh ()
virtual void	ProcessVertices ()
	Extract element vertices.

Static Public Member Functions
static boost::shared_ptr< Module >	create (FieldSharedPtr f)
	Creates an instance of this class.

Static Public Attributes
static ModuleKey	m_className []

Additional Inherited Members
Protected Member Functions inherited from Nektar::Utilities::Module
virtual void	ProcessEdges (bool ReprocessEdges=true)
	Extract element edges.
virtual void	ProcessFaces (bool ReprocessFaces=true)
	Extract element faces.
virtual void	ProcessElements ()
	Generate element IDs.
virtual void	ProcessComposites ()
	Generate composites.
void	ReorderPrisms (PerMap &perFaces)
	Reorder node IDs so that prisms and tetrahedra are aligned correctly.
void	PrismLines (int prism, PerMap &perFaces, set< int > &prismsDone, vector< ElementSharedPtr > &line)
Protected Attributes inherited from Nektar::Utilities::OutputModule
ofstream	m_fldFile
	Output stream.
std::ofstream	m_mshFile
	Output stream.

Detailed Description

Converter from fld to vtk.

Definition at line 47 of file OutputFld.h.

Constructor & Destructor Documentation

Nektar::Utilities::OutputFld::OutputFld

(

FieldSharedPtr

f

)

Definition at line 56 of file OutputFld.cpp.

                                     : OutputModule(f)
{
}

Nektar::Utilities::OutputFld::~OutputFld ( )

virtual

Definition at line 60 of file OutputFld.cpp.

{
}

Member Function Documentation

static boost::shared_ptr<Module> Nektar::Utilities::OutputFld::create ( FieldSharedPtr  f )

inlinestatic

Creates an instance of this class.

Definition at line 51 of file OutputFld.h.

                                                                    {
                return MemoryManager<OutputFld>::AllocateSharedPtr(f);
            }

void Nektar::Utilities::OutputFld::Process ( po::variables_map &  vm )

virtual

Write fld to output file.

Implements Nektar::Utilities::Module.

Definition at line 64 of file OutputFld.cpp.

References Nektar::SpatialDomains::BoundaryConditions::GetBoundaryRegions(), Nektar::Utilities::Module::m_config, and Nektar::Utilities::Module::m_f.

{
    // Extract the output filename and extension
    string filename = m_config["outfile"].as<string>();

    if (m_f->m_writeBndFld)
    {
        ModuleKey      module;
        
        // Extract data to boundaryconditions
        if (m_f->m_fldToBnd)
        {
            for (int i = 0; i < m_f->m_exp.size(); ++i)
            {
                m_f->m_exp[i]->FillBndCondFromField();
            }
        }
        
        if (m_f->m_verbose)
        {
            cout << "OutputFld: Writing boundary file(s): ";
            for(int i = 0; i < m_f->m_bndRegionsToWrite.size(); ++i)
            {
                if(i < m_f->m_bndRegionsToWrite.size()-1)
                {
                    cout << ",";
                }
            }
            cout << endl;
        }

        int nfields = m_f->m_exp.size();
        Array<OneD, Array<OneD, const MultiRegions::ExpListSharedPtr> >
            BndExp(nfields);
        for (int i = 0; i < nfields; ++i)
        {
            BndExp[i] = m_f->m_exp[i]->GetBndCondExpansions();
        }

        // get hold of partition boundary regions so we can match it to desired
        // region extraction
        SpatialDomains::BoundaryConditions bcs(m_f->m_session,
                                               m_f->m_exp[0]->GetGraph());
        const SpatialDomains::BoundaryRegionCollection bregions  =
                                                    bcs.GetBoundaryRegions();
        SpatialDomains::BoundaryRegionCollection::const_iterator breg_it;
        map<int,int> BndRegionMap;
        int cnt =0;
        for(breg_it = bregions.begin(); breg_it != bregions.end();
                ++breg_it, ++cnt)
        {
            BndRegionMap[breg_it->first] = cnt;
        }

        // find ending of output file and insert _b1, _b2
        int    dot  = filename.find_last_of('.') + 1;
        string ext  = filename.substr(dot, filename.length() - dot);
        string name = filename.substr(0, dot-1);

        LibUtilities::BndRegionOrdering BndOrder =
                                    m_f->m_session->GetBndRegionOrdering();

        for(int i = 0; i < m_f->m_bndRegionsToWrite.size(); ++i)
        {
            string outname = name  + "_b"
                    + boost::lexical_cast<string>(m_f->m_bndRegionsToWrite[i])
                    + "." + ext;

            std::vector<LibUtilities::FieldDefinitionsSharedPtr> FieldDef;
            std::vector<std::vector<NekDouble> > FieldData;

            if(BndRegionMap.count(m_f->m_bndRegionsToWrite[i]) == 1)
            {
                int Border = BndRegionMap[m_f->m_bndRegionsToWrite[i]];

                FieldDef = BndExp[0][Border]->GetFieldDefinitions();
                FieldData.resize(FieldDef.size());

                for (int j = 0; j < nfields; ++j)
                {
                    for (int k = 0; k < FieldDef.size(); ++k)
                    {
                        BndExp[j][Border]->AppendFieldData(FieldDef[k],
                                                           FieldData[k]);

                        FieldDef[k]->m_fields.push_back(m_f->m_fielddef[0]->
                                                        m_fields[j]);
                    }
                }

                // output error for regression checking. 
                if (vm.count("error"))
                {
                    int rank = m_f->m_session->GetComm()->GetRank();

                    for (int j = 0; j < nfields; ++j)
                    {
                        BndExp[j][Border]->BwdTrans(BndExp[j][Border]->GetCoeffs(),
                                                BndExp[j][Border]->UpdatePhys());

                        //Note currently these calls will
                        //hange since not all partitions will
                        //call error.
                        NekDouble l2err   = BndExp[j][Border]
                                           ->L2(BndExp[j][Border]->GetPhys());

                        NekDouble linferr = BndExp[j][Border]
                                           ->Linf(BndExp[j][Border]->GetPhys());
                        
                        if (rank == 0)
                        {
                            cout << "L 2 error (variable "
                                 << FieldDef[0]->m_fields[j]
                                 << ") : " << l2err  << endl;
                            
                            cout << "L inf error (variable "
                                 << FieldDef[0]->m_fields[j]
                                 << ") : " << linferr << endl;
                        }
                    }
                }
            }

            m_f->m_fld->Write(outname, FieldDef, FieldData);

        }
    }
    else
    {
        if (m_f->m_verbose)
        {
            cout << "OutputFld: Writing file..." << endl;
        }

        // Write the output file
        m_f->m_fld->Write(filename, m_f->m_fielddef, m_f->m_data);


        // output error for regression checking.
        if (vm.count("error"))
        {
            int rank = m_f->m_session->GetComm()->GetRank();

            for (int j = 0; j < m_f->m_exp.size(); ++j)
            {
                if (m_f->m_exp[j]->GetPhysState() == false)
                {
                    m_f->m_exp[j]->BwdTrans(
                                        m_f->m_exp[j]->GetCoeffs(),
                                        m_f->m_exp[j]->UpdatePhys());
                }

                NekDouble l2err = m_f->m_exp[j]->L2(
                                        m_f->m_exp[j]->GetPhys());

                NekDouble linferr = m_f->m_exp[j]->Linf(
                                        m_f->m_exp[j]->GetPhys());
                if (rank == 0)
                {
                    cout << "L 2 error (variable "
                         << m_f->m_fielddef[0]->m_fields[j]
                         << ") : " << l2err  << endl;

                    cout << "L inf error (variable "
                         << m_f->m_fielddef[0]->m_fields[j]
                         << ") : " << linferr << endl;
                }
            }
        }

    }
}

Member Data Documentation

ModuleKey Nektar::Utilities::OutputFld::m_className

static

Initial value:

 {
    GetModuleFactory().RegisterCreatorFunction(
        ModuleKey(eOutputModule, "fld"), OutputFld::create,
        "Writes a Fld file."),
    GetModuleFactory().RegisterCreatorFunction(
        ModuleKey(eOutputModule, "chk"), OutputFld::create,
        "Writes a Fld file."),
}

Definition at line 54 of file OutputFld.h.