Nektar::Utilities::ProcessAddFld Class Reference

This processing module scales the input fld file. More...

#include <ProcessAddFld.h>

Inheritance diagram for Nektar::Utilities::ProcessAddFld:

Collaboration diagram for Nektar::Utilities::ProcessAddFld:

Public Member Functions
	ProcessAddFld (FieldSharedPtr f)
virtual	~ProcessAddFld ()
virtual void	Process (po::variables_map &vm)
	Write mesh to output file. More...
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 scales the input fld file.

Definition at line 50 of file ProcessAddFld.h.

Constructor & Destructor Documentation

Nektar::Utilities::ProcessAddFld::ProcessAddFld

(

FieldSharedPtr

f

)

Definition at line 55 of file ProcessAddFld.cpp.

References ASSERTL0, and Nektar::Utilities::Module::m_config.

                                             : ProcessModule(f)
{
    m_config["scale"]   = ConfigOption(false, "1.0", "scale factor");

    m_config["fromfld"] = ConfigOption(false, "NotSet",
                                "Fld file form which to add field");

    ASSERTL0(m_config["fromfld"].as<string>().compare("NotSet") != 0,
             "Need to specify fromfld=file.fld ");

}

Nektar::Utilities::ProcessAddFld::~ProcessAddFld ( )

virtual

Definition at line 67 of file ProcessAddFld.cpp.

{
}

Member Function Documentation

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

inlinestatic

Creates an instance of this class.

Definition at line 54 of file ProcessAddFld.h.

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

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

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

virtual

Write mesh to output file.

Implements Nektar::Utilities::Module.

Definition at line 71 of file ProcessAddFld.cpp.

References ASSERTL0, Nektar::Utilities::Module::m_config, Nektar::Utilities::Module::m_f, Nektar::LibUtilities::NullFieldMetaDataMap, Vmath::Smul(), Vmath::Vadd(), and Vmath::Vcopy().

{
    if (m_f->m_verbose)
    {
        cout << "ProcessAddFld: Adding new fld to input fld" << endl;
    }

    ASSERTL0(m_f->m_data.size() != 0,"No input data defined");
    
    string scalestr = m_config["scale"].as<string>();
    NekDouble scale = boost::lexical_cast<NekDouble>(scalestr);

    string fromfld = m_config["fromfld"].as<string>();
    FieldSharedPtr fromField = boost::shared_ptr<Field>(new Field());

    if(m_f->m_exp.size())
    {
        // Set up ElementGIDs in case of parallel processing
        Array<OneD,int> ElementGIDs(m_f->m_exp[0]->GetExpSize());
        for (int i = 0; i < m_f->m_exp[0]->GetExpSize(); ++i)
        {
            ElementGIDs[i] = m_f->m_exp[0]->GetExp(i)->GetGeom()->GetGlobalID();
        }
        m_f->m_fld->Import(fromfld,
                           fromField->m_fielddef,
                           fromField->m_data,
                           LibUtilities::NullFieldMetaDataMap,
                           ElementGIDs);
    }
    else
    {
        m_f->m_fld->Import(fromfld,
                           fromField->m_fielddef,
                           fromField->m_data,
                           LibUtilities::NullFieldMetaDataMap);
    }

    bool samelength = true;
    if(fromField->m_data.size() != m_f->m_data.size())
    {
        samelength = false;
    }

    // scale input field
    for(int i = 0; i < fromField->m_data.size(); ++i)
    {
        int datalen = fromField->m_data[i].size();

        Vmath::Smul(datalen, scale, &(fromField->m_data[i][0]), 1,
                                    &(fromField->m_data[i][0]), 1);

        if(samelength)
        {
            if(datalen != m_f->m_data[i].size())
            {
                samelength = false;
            }
        }
    }

    if(samelength == true)
    {
        for(int i = 0; i < m_f->m_data.size(); ++i)
        {
            int datalen = m_f->m_data[i].size();

            Vmath::Vadd(datalen, &(m_f->m_data[i][0]),       1,
                                 &(fromField->m_data[i][0]), 1,
                                 &(m_f->m_data[i][0]),       1);
        }
    }
    else
    {
        ASSERTL0(m_f->m_exp.size() != 0 ,
                 "Input fields have partitions of different length and so xml "
                 "file needs to be specified");

        int nfields = m_f->m_fielddef[0]->m_fields.size();
        int ncoeffs = m_f->m_exp[0]->GetNcoeffs();
        Array<OneD, NekDouble> SaveFld(ncoeffs);

        for (int j = 0; j < nfields; ++j)
        {
            Vmath::Vcopy(ncoeffs,m_f->m_exp[j]->GetCoeffs(),1, SaveFld,1);


            // since expansion is set up according to m_f search for same variable in new field
            int nfield;
            for (nfield = 0; nfield < fromField->m_fielddef[0]->m_fields.size(); ++nfield)
            {
                if(fromField->m_fielddef[0]->m_fields[nfield] ==
                   m_f->m_fielddef[0]->m_fields[j])
                {
                    break;
                }
            }

            ASSERTL0(nfield != fromField->m_fielddef[0]->m_fields.size(),
                     "Could not find field " + m_f->m_fielddef[0]->m_fields[j] + " in from field");
            
            // load new field
            for (int i = 0; i < fromField->m_data.size(); ++i)
            {
                m_f->m_exp[j]->ExtractDataToCoeffs(
                                       fromField->m_fielddef[i],
                                       fromField->m_data[i],
                                       fromField->m_fielddef[i]->m_fields[nfield],
                                       m_f->m_exp[j]->UpdateCoeffs());
            }

            Vmath::Vadd(ncoeffs, m_f->m_exp[j]->GetCoeffs(),    1,
                                 SaveFld,                       1,
                                 m_f->m_exp[j]->UpdateCoeffs(), 1);
        }

        std::vector<LibUtilities::FieldDefinitionsSharedPtr> FieldDef
            = m_f->m_exp[0]->GetFieldDefinitions();
        std::vector<std::vector<NekDouble> > FieldData(FieldDef.size());

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

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

    }
}

Member Data Documentation

ModuleKey Nektar::Utilities::ProcessAddFld::className

static

Initial value:

=
    GetModuleFactory().RegisterCreatorFunction(
        ModuleKey(eProcessModule, "addfld"),
        ProcessAddFld::create, "add two fields together with optional scaling. Must specify fromfld and scaling is optionally specified with input option scale.")

Definition at line 58 of file ProcessAddFld.h.