Nektar::Utilities::InputFld Class Reference

#include <InputFld.h>

Inheritance diagram for Nektar::Utilities::InputFld:

Collaboration diagram for Nektar::Utilities::InputFld:

Public Member Functions
	InputFld (FieldSharedPtr f)
	Set up InputFld object. More...
virtual	~InputFld ()
virtual void	Process (po::variables_map &vm)
Public Member Functions inherited from Nektar::Utilities::InputModule
	InputModule (FieldSharedPtr p_m)
void	AddFile (string fileType, string fileName)
	InputModule (MeshSharedPtr p_m)
void	OpenStream ()
	Open a file for input. More...
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. More...
void	PrintConfig ()
	Print out all configuration options for a module. More...
void	SetDefaults ()
	Sets default configuration options for those which have not been set. More...
bool	GetRequireEquiSpaced (void)
void	SetRequireEquiSpaced (bool pVal)
void	EvaluateTriFieldAtEquiSpacedPts (LocalRegions::ExpansionSharedPtr &exp, const Array< OneD, const NekDouble > &infield, Array< OneD, NekDouble > &outfield)
	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. More...
virtual void	ProcessEdges (bool ReprocessEdges=true)
	Extract element edges. More...
virtual void	ProcessFaces (bool ReprocessFaces=true)
	Extract element faces. More...
virtual void	ProcessElements ()
	Generate element IDs. More...
virtual void	ProcessComposites ()
	Generate composites. More...
virtual void	ClearElementLinks ()

Static Public Member Functions
static ModuleSharedPtr	create (FieldSharedPtr f)
	Creates an instance of this class. More...

Static Public Attributes
static ModuleKey	m_className []
	ModuleKey for class. More...

Additional Inherited Members
Protected Member Functions inherited from Nektar::Utilities::InputModule
void	PrintSummary ()
	Print summary of elements. More...
void	PrintSummary ()
	Print summary of elements. More...
Protected Member Functions inherited from Nektar::Utilities::Module
	Module ()
void	ReorderPrisms (PerMap &perFaces)
	Reorder node IDs so that prisms and tetrahedra are aligned correctly. More...
void	PrismLines (int prism, PerMap &perFaces, set< int > &prismsDone, vector< ElementSharedPtr > &line)
Protected Attributes inherited from Nektar::Utilities::InputModule
set< string >	m_allowedFiles
std::ifstream	m_mshFile
	Input stream. More...
Protected Attributes inherited from Nektar::Utilities::Module
FieldSharedPtr	m_f
	Field object. More...
map< string, ConfigOption >	m_config
	List of configuration values. More...
bool	m_requireEquiSpaced
MeshSharedPtr	m_mesh
	Mesh object. More...

Detailed Description

Converter for Fld files.

Definition at line 49 of file InputFld.h.

Constructor & Destructor Documentation

Nektar::Utilities::InputFld::InputFld

(

FieldSharedPtr

f

)

Set up InputFld object.

Definition at line 71 of file InputFld.cpp.

References Nektar::Utilities::InputModule::m_allowedFiles.

                                   : InputModule(f)
{
    m_allowedFiles.insert("fld");
    m_allowedFiles.insert("chk");
    m_allowedFiles.insert("rst");
    m_allowedFiles.insert("bse");
}

Nektar::Utilities::InputFld::~InputFld ( )

virtual

Definition at line 83 of file InputFld.cpp.

{
}

Member Function Documentation

static ModuleSharedPtr Nektar::Utilities::InputFld::create ( FieldSharedPtr  f )

inlinestatic

Creates an instance of this class.

Definition at line 57 of file InputFld.h.

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

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

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

virtual

Implements Nektar::Utilities::Module.

Definition at line 91 of file InputFld.cpp.

References Nektar::MemoryManager< DataType >::AllocateSharedPtr(), ASSERTL0, Nektar::LibUtilities::NekFactory< tKey, tBase, >::CreateInstance(), Nektar::LibUtilities::GetCommFactory(), Nektar::Utilities::Module::m_f, Nektar::Timer::Start(), Nektar::Timer::Stop(), and Nektar::Timer::TimePerTest().

{
    Timer timer;

    if(m_f->m_verbose)
    {
        if(m_f->m_comm->GetRank() == 0)
        {
            cout << "Processing input fld file" << endl;
            timer.Start();
        }
    }

    int i,j;
    string fldending;
    //Determine appropriate field input
    if(m_f->m_inputfiles.count("fld") != 0)
    {
        fldending = "fld";
    }
    else if(m_f->m_inputfiles.count("chk") != 0)
    {
        fldending = "chk";
    }
    else if (m_f->m_inputfiles.count("rst") != 0)
    {
        fldending = "rst";
    }
    else if (m_f->m_inputfiles.count("bse") != 0)
    {
        fldending = "bse";
    }
    else
    {
        ASSERTL0(false,"no input file found");
    }

    if(!m_f->m_fld)
    {
        if(m_f->m_session)
        {
            m_f->m_fld = MemoryManager<LibUtilities::FieldIO>
                ::AllocateSharedPtr(m_f->m_session->GetComm());
        }
        else // serial communicator
        {
            LibUtilities::CommSharedPtr c = LibUtilities::GetCommFactory().CreateInstance("Serial", 0, 0);
            m_f->m_fld = MemoryManager<LibUtilities::FieldIO>
                ::AllocateSharedPtr(c);
        }
    }


    if(m_f->m_graph)  // all for restricted expansion defintion when loading field
    {
        // currently load all field (possibly could read data from expansion list
        // but it is re-arranged in expansion)

        const SpatialDomains::ExpansionMap &expansions = m_f->m_graph->GetExpansions();

        // if Range has been speficied it is possible to have a
        // partition which is empty so check this and return if
        // no elements present.

        if(!expansions.size())
        {
            return;
        }

        m_f->m_exp.resize(1);

        Array<OneD,int> ElementGIDs(expansions.size());
        SpatialDomains::ExpansionMap::const_iterator expIt;

        i = 0;
        for (expIt = expansions.begin(); expIt != expansions.end(); ++expIt)
        {
            ElementGIDs[i++] = expIt->second->m_geomShPtr->GetGlobalID();
        }

        m_f->m_fielddef.clear();
        m_f->m_data.clear();

        m_f->m_fld->Import(m_f->m_inputfiles[fldending][0],
                           m_f->m_fielddef,
                           m_f->m_data,
                           m_f->m_fieldMetaDataMap,
                           ElementGIDs);
    }
    else // load all data.
    {
        m_f->m_fld->Import(m_f->m_inputfiles[fldending][0],
                           m_f->m_fielddef,
                           m_f->m_data,
                           m_f->m_fieldMetaDataMap);
    }


    // if m_exp defined presume we want to load all field  into expansions
    if(m_f->m_exp.size())
    {
        int nfields,nstrips;

        m_f->m_session->LoadParameter("Strip_Z",nstrips,1);

        if(vm.count("useSessionVariables"))
        {
            nfields = m_f->m_session->GetVariables().size();
        }
        else
        {
            nfields = m_f->m_fielddef[0]->m_fields.size();
        }
        
        
        m_f->m_exp.resize(nfields*nstrips);

        vector<string> vars = m_f->m_session->GetVariables();

        
        // declare other fields;
        for (int s = 0; s < nstrips; ++s) //homogeneous strip varient
        {
            for (i = 0; i < nfields; ++i)
            {
                if(i < vars.size())
                {
                    // check to see if field already defined 
                    if(!m_f->m_exp[s*nfields+i]) 
                    {
                        m_f->m_exp[s*nfields+i] = m_f->AppendExpList(
                             m_f->m_fielddef[0]->m_numHomogeneousDir,
                             vars[i]);
                    }
                }
                else
                {
                    if(vars.size())
                    {
                        m_f->m_exp[s*nfields+i] =
                            m_f->AppendExpList(
                                m_f->m_fielddef[0]->m_numHomogeneousDir,
                                vars[0]);
                    }
                    else
                    {
                        m_f->m_exp[s*nfields+i] =
                            m_f->AppendExpList(
                                m_f->m_fielddef[0]->m_numHomogeneousDir);
                    }
                }
            }
        }

        // Extract data to coeffs and bwd transform
        for(int s = 0; s < nstrips; ++s) //homogeneous strip varient
        {
            for (j = 0; j < nfields; ++j)
            {
                for (i = 0; i < m_f->m_data.size()/nstrips; ++i)
                {
                    m_f->m_exp[s*nfields+j]->
                              ExtractDataToCoeffs(m_f->m_fielddef[i*nstrips+s],
                    m_f->m_data[i*nstrips+s],
                    m_f->m_fielddef[i*nstrips+s]
                            ->m_fields[j],
                    m_f->m_exp[s*nfields+j]->UpdateCoeffs());
                }
                m_f->m_exp[s*nfields+j]->BwdTrans(m_f->m_exp[s*nfields+j]->GetCoeffs(),
                            m_f->m_exp[s*nfields+j]->UpdatePhys());
            }
        }

        // if range is defined reset up output field in case of
        // reducing fld definition
        if(vm.count("range"))
        {
            std::vector<LibUtilities::FieldDefinitionsSharedPtr> FieldDef
                = m_f->m_exp[0]->GetFieldDefinitions();
            std::vector<std::vector<NekDouble> > FieldData(FieldDef.size());

            for (j = 0; j < nfields; ++j)
            {
                for (i = 0; i < FieldDef.size(); ++i)
                {
                    FieldDef[i]->m_fields.push_back(m_f->m_fielddef[0]->m_fields[j]);
                    m_f->m_exp[j]->AppendFieldData(FieldDef[i], FieldData[i]);
                }
            }
            m_f->m_fielddef = FieldDef;
            m_f->m_data     = FieldData;
        }
    }

    if(m_f->m_verbose)
    {
        if(m_f->m_comm->GetRank() == 0)
        {
            timer.Stop();
            NekDouble cpuTime = timer.TimePerTest(1);
            
            stringstream ss;
            ss << cpuTime << "s";
            cout << "InputFld  CPU Time: " << setw(8) << left
                 << ss.str() << endl;
            cpuTime = 0.0;
        }
        
    }
}

Member Data Documentation

ModuleKey Nektar::Utilities::InputFld::m_className

static

Initial value:

= {
    GetModuleFactory().RegisterCreatorFunction(
        ModuleKey(eInputModule, "fld"), InputFld::create,
        "Reads Fld file."),
    GetModuleFactory().RegisterCreatorFunction(
        ModuleKey(eInputModule, "chk"), InputFld::create,
        "Reads checkpoint file."),
    GetModuleFactory().RegisterCreatorFunction(
        ModuleKey(eInputModule, "rst"), InputFld::create,
        "Reads restart file."),
    GetModuleFactory().RegisterCreatorFunction(
        ModuleKey(eInputModule, "bse"), InputFld::create,
        "Reads stability base-flow file.")
}

ModuleKey for class.

Definition at line 62 of file InputFld.h.