Nektar::Utilities::ProcessInterpPointDataToFld Class Reference

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

#include <ProcessInterpPointDataToFld.h>

Inheritance diagram for Nektar::Utilities::ProcessInterpPointDataToFld:

Collaboration diagram for Nektar::Utilities::ProcessInterpPointDataToFld:

Public Member Functions
	ProcessInterpPointDataToFld (FieldSharedPtr f)
virtual	~ProcessInterpPointDataToFld ()
virtual void	Process (po::variables_map &vm)
	Write mesh to output file. More...
void	PrintProgressbar (const int position, const int goal) const
Public Member Functions inherited from Nektar::Utilities::ProcessModule
	ProcessModule ()
	ProcessModule (FieldSharedPtr p_f)
	ProcessModule (MeshSharedPtr p_m)
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 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::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::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

This processing module interpolates one field to another.

Definition at line 51 of file ProcessInterpPointDataToFld.h.

Constructor & Destructor Documentation

Nektar::Utilities::ProcessInterpPointDataToFld::ProcessInterpPointDataToFld

(

FieldSharedPtr

f

)

Definition at line 59 of file ProcessInterpPointDataToFld.cpp.

References Nektar::Utilities::Module::m_config.

        : ProcessModule(f)
{

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

}

Nektar::Utilities::ProcessInterpPointDataToFld::~ProcessInterpPointDataToFld ( )

virtual

Definition at line 68 of file ProcessInterpPointDataToFld.cpp.

{
}

Member Function Documentation

static boost::shared_ptr<Module> Nektar::Utilities::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);
        }

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

inline

Definition at line 66 of file ProcessInterpPointDataToFld.h.

References Nektar::LibUtilities::PrintProgressbar().

Referenced by Process().

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

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

virtual

Write mesh to output file.

Implements Nektar::Utilities::Module.

Definition at line 72 of file ProcessInterpPointDataToFld.cpp.

References ASSERTL0, Nektar::Utilities::Module::m_config, Nektar::Utilities::Module::m_f, Nektar::LibUtilities::NullPtsField, and PrintProgressbar().

{
    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> > coords(3);

    coords[0] = Array<OneD,NekDouble>(totpoints);
    coords[1] = Array<OneD,NekDouble>(totpoints);
    coords[2] = Array<OneD,NekDouble>(totpoints);

    m_f->m_exp[0]->GetCoords(coords[0],coords[1],coords[2]);

    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");

    // interpolate points and transform
    Array<OneD, Array<OneD, NekDouble> > intFields(nFields);
    if (m_f->m_session->GetComm()->GetRank() == 0)
    {
        m_f->m_fieldPts->setProgressCallback(
            &ProcessInterpPointDataToFld::PrintProgressbar, this);
        cout << "Interpolating:       ";
    }
    m_f->m_fieldPts->Interpolate(coords, intFields, coord_id);

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

    if(m_f->m_session->GetComm()->GetRank() == 0)
    {
        cout << endl;
    }

    // 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::Utilities::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 58 of file ProcessInterpPointDataToFld.h.