Nektar::FieldUtils::ProcessInterpPointDataToFld Class Reference

This processing module interpolates one field to another. More...

#include <ProcessInterpPointDataToFld.h>

Inheritance diagram for Nektar::FieldUtils::ProcessInterpPointDataToFld:

Collaboration diagram for Nektar::FieldUtils::ProcessInterpPointDataToFld:

Public Member Functions
	ProcessInterpPointDataToFld (FieldSharedPtr f)
virtual	~ProcessInterpPointDataToFld ()
virtual void	Process (po::variables_map &vm)
	Write mesh to output file. More...
virtual std::string	GetModuleName ()
void	PrintProgressbar (const int position, const int goal) const
Public Member Functions inherited from Nektar::FieldUtils::ProcessModule
	ProcessModule ()
	ProcessModule (FieldSharedPtr p_f)
Public Member Functions inherited from Nektar::FieldUtils::Module
FIELD_UTILS_EXPORT	Module (FieldSharedPtr p_f)
FIELD_UTILS_EXPORT void	RegisterConfig (string key, 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 bool	GetRequireEquiSpaced (void)
FIELD_UTILS_EXPORT void	SetRequireEquiSpaced (bool pVal)
FIELD_UTILS_EXPORT void	EvaluateTriFieldAtEquiSpacedPts (LocalRegions::ExpansionSharedPtr &exp, const Array< OneD, const NekDouble > &infield, Array< OneD, NekDouble > &outfield)

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

Static Public Attributes
static ModuleKey	className

Additional Inherited Members
Protected Member Functions inherited from Nektar::FieldUtils::Module
	Module ()
Protected Attributes inherited from Nektar::FieldUtils::Module
FieldSharedPtr	m_f
	Field object. More...
map< string, ConfigOption >	m_config
	List of configuration values. More...
bool	m_requireEquiSpaced

Detailed Description

This processing module interpolates one field to another.

Definition at line 51 of file ProcessInterpPointDataToFld.h.

Constructor & Destructor Documentation

Nektar::FieldUtils::ProcessInterpPointDataToFld::ProcessInterpPointDataToFld

(

FieldSharedPtr

f

)

Definition at line 60 of file ProcessInterpPointDataToFld.cpp.

References Nektar::FieldUtils::Module::m_config.

    : ProcessModule(f)
{

    m_config["interpcoord"] =
        ConfigOption(false, "-1", "coordinate id to use for interpolation");
}

Nektar::FieldUtils::ProcessInterpPointDataToFld::~ProcessInterpPointDataToFld ( )

virtual

Definition at line 68 of file ProcessInterpPointDataToFld.cpp.

{
}

Member Function Documentation

static boost::shared_ptr<Module> Nektar::FieldUtils::ProcessInterpPointDataToFld::create ( FieldSharedPtr  f )

inlinestatic

Creates an instance of this class.

Definition at line 55 of file ProcessInterpPointDataToFld.h.

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

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

virtual std::string Nektar::FieldUtils::ProcessInterpPointDataToFld::GetModuleName ( )

inlinevirtual

Implements Nektar::FieldUtils::Module.

Definition at line 67 of file ProcessInterpPointDataToFld.h.

    {
        return "ProcessInterpPointDataToFld";
    }

void Nektar::FieldUtils::ProcessInterpPointDataToFld::PrintProgressbar ( const int  position, const int  goal  ) const

inline

Definition at line 72 of file ProcessInterpPointDataToFld.h.

References Nektar::LibUtilities::PrintProgressbar().

Referenced by Process().

    {
        LibUtilities::PrintProgressbar(position, goal, "Interpolating");
    }

void Nektar::FieldUtils::ProcessInterpPointDataToFld::Process ( po::variables_map &  vm )

virtual

Write mesh to output file.

Implements Nektar::FieldUtils::Module.

Definition at line 72 of file ProcessInterpPointDataToFld.cpp.

References Nektar::MemoryManager< DataType >::AllocateSharedPtr(), ASSERTL0, Nektar::FieldUtils::eNoMethod, Nektar::FieldUtils::Module::m_config, Nektar::FieldUtils::Module::m_f, Nektar::LibUtilities::NullPtsField, and PrintProgressbar().

{
    if (m_f->m_verbose)
    {
        if (m_f->m_comm->TreatAsRankZero())
        {
            cout
                << "ProcessInterpPointDataToFld: interpolating data to field..."
                << endl;
        }
    }

    int i, j;

    // Check for command line point specification if no .pts file specified
    ASSERTL0(m_f->m_fieldPts != LibUtilities::NullPtsField,
             "No input points found");

    int nFields = m_f->m_fieldPts->GetNFields();
    ASSERTL0(nFields > 0, "No field values provided in input");

    // assume one field is already defined from input file.
    m_f->m_exp.resize(nFields + 1);
    for (i = 1; i < nFields; ++i)
    {
        m_f->m_exp[i] = m_f->AppendExpList(0);
    }

    int totpoints = m_f->m_exp[0]->GetTotPoints();
    Array<OneD, Array<OneD, NekDouble> > intFields(3 + nFields);
    for (int i = 0; i < 3 + nFields; ++i)
    {
        intFields[i] = Array<OneD, NekDouble>(totpoints);
    }
    m_f->m_exp[0]->GetCoords(intFields[0], intFields[1], intFields[2]);
    LibUtilities::PtsFieldSharedPtr outPts =
        MemoryManager<LibUtilities::PtsField>::AllocateSharedPtr(3, intFields);

    int coord_id = m_config["interpcoord"].as<int>();
    ASSERTL0(coord_id <= m_f->m_fieldPts->GetDim() - 1,
             "interpcoord is bigger than the Pts files dimension");

    Interpolator interp(eNoMethod, coord_id);

    if (m_f->m_comm->GetRank() == 0)
    {
        interp.SetProgressCallback(
            &ProcessInterpPointDataToFld::PrintProgressbar, this);
    }
    interp.Interpolate(m_f->m_fieldPts, outPts);
    if (m_f->m_comm->GetRank() == 0)
    {
        cout << endl;
    }

    for (i = 0; i < totpoints; ++i)
    {
        for (j = 0; j < nFields; ++j)
        {
            m_f->m_exp[j]->SetPhys(i, outPts->GetPointVal(j, i));
        }
    }

    // forward transform fields
    for (i = 0; i < nFields; ++i)
    {
        m_f->m_exp[i]->FwdTrans_IterPerExp(m_f->m_exp[i]->GetPhys(),
                                           m_f->m_exp[i]->UpdateCoeffs());
    }

    // set up output fld file.
    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_fieldPts->GetFieldName(j));

            m_f->m_exp[j]->AppendFieldData(FieldDef[i], FieldData[i]);
        }
    }

    m_f->m_fielddef = FieldDef;
    m_f->m_data     = FieldData;
}

Member Data Documentation

ModuleKey Nektar::FieldUtils::ProcessInterpPointDataToFld::className

static

Initial value:

=
    GetModuleFactory().RegisterCreatorFunction(
        ModuleKey(eProcessModule, "interppointdatatofld"),
        ProcessInterpPointDataToFld::create,
        "Interpolates given discrete data using a finite difference "
        "approximation to a fld file given a xml file")

Definition at line 59 of file ProcessInterpPointDataToFld.h.