Nektar::FieldUtils::ProcessHomogeneousPlane Class Reference

This processing module replaces all expansions by a single plane from 3DH1D fields, defined by the parameter planeid. More...

#include <ProcessHomogeneousPlane.h>

Inheritance diagram for Nektar::FieldUtils::ProcessHomogeneousPlane:

Public Member Functions
	ProcessHomogeneousPlane (FieldSharedPtr f)
virtual	~ProcessHomogeneousPlane ()
virtual void	Process (po::variables_map &vm)
	Write mesh to output file. More...
virtual std::string	GetModuleName ()
virtual std::string	GetModuleDescription ()
virtual ModulePriority	GetModulePriority ()
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 (std::string key, std::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 void	EvaluateTriFieldAtEquiSpacedPts (LocalRegions::ExpansionSharedPtr &exp, const Array< OneD, const NekDouble > &infield, Array< OneD, NekDouble > &outfield)

Static Public Member Functions
static std::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...
std::map< std::string, ConfigOption >	m_config
	List of configuration values. More...

Detailed Description

This processing module replaces all expansions by a single plane from 3DH1D fields, defined by the parameter planeid.

Definition at line 49 of file ProcessHomogeneousPlane.h.

Constructor & Destructor Documentation

ProcessHomogeneousPlane()

Nektar::FieldUtils::ProcessHomogeneousPlane::ProcessHomogeneousPlane

(

FieldSharedPtr

f

)

Definition at line 57 of file ProcessHomogeneousPlane.cpp.

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

    : ProcessModule(f)
{
    m_config["planeid"] = ConfigOption(false, "NotSet", "plane id to extract");
    m_config["wavespace"] =
        ConfigOption(true, "0", "Extract plane in Fourier space");
}

~ProcessHomogeneousPlane()

Nektar::FieldUtils::ProcessHomogeneousPlane::~ProcessHomogeneousPlane ( )

virtual

Definition at line 65 of file ProcessHomogeneousPlane.cpp.

{
}

Member Function Documentation

create()

static std::shared_ptr<Module> Nektar::FieldUtils::ProcessHomogeneousPlane::create ( FieldSharedPtr  f )

inlinestatic

Creates an instance of this class.

Definition at line 53 of file ProcessHomogeneousPlane.h.

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

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

GetModuleDescription()

virtual std::string Nektar::FieldUtils::ProcessHomogeneousPlane::GetModuleDescription ( )

inlinevirtual

Reimplemented from Nektar::FieldUtils::Module.

Reimplemented in Nektar::FieldUtils::ProcessMeanMode.

Definition at line 70 of file ProcessHomogeneousPlane.h.

    {
        return "Extracting plane";
    }

GetModuleName()

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

inlinevirtual

Implements Nektar::FieldUtils::Module.

Reimplemented in Nektar::FieldUtils::ProcessMeanMode.

Definition at line 65 of file ProcessHomogeneousPlane.h.

    {
        return "ProcessHomogeneousPlane";
    }

GetModulePriority()

virtual ModulePriority Nektar::FieldUtils::ProcessHomogeneousPlane::GetModulePriority ( )

inlinevirtual

Implements Nektar::FieldUtils::Module.

Reimplemented in Nektar::FieldUtils::ProcessMeanMode.

Definition at line 75 of file ProcessHomogeneousPlane.h.

References Nektar::FieldUtils::eModifyExp.

    {
        return eModifyExp;
    }

Process()

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

virtual

Write mesh to output file.

Implements Nektar::FieldUtils::Module.

Reimplemented in Nektar::FieldUtils::ProcessMeanMode.

Definition at line 69 of file ProcessHomogeneousPlane.cpp.

References Nektar::MemoryManager< DataType >::AllocateSharedPtr(), ASSERTL0, Nektar::LibUtilities::SessionReader::CreateInstance(), Nektar::FieldUtils::Module::m_config, and Nektar::FieldUtils::Module::m_f.

Referenced by Nektar::FieldUtils::ProcessMeanMode::Process().

{
    boost::ignore_unused(vm);

    ASSERTL0(m_f->m_numHomogeneousDir == 1,
             "ProcessHomogeneousPlane only works for Homogeneous1D.");
    m_f->m_numHomogeneousDir = 0;

    // Skip in case of empty partition
    if (m_f->m_exp[0]->GetNumElmts() == 0)
    {
        return;
    }

    ASSERTL0(m_config["planeid"].m_beenSet,
             "Missing parameter planeid for ProcessHomogeneousPlane");

    int planeid = m_config["planeid"].as<int>();
    int nfields = m_f->m_variables.size();

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

    // Look for correct plane (because of parallel case)
    int plane = -1;
    for (int i = 0; i < m_f->m_exp[0]->GetZIDs().num_elements(); ++i)
    {
        if (m_f->m_exp[0]->GetZIDs()[i] == planeid)
        {
            plane = i;
        }
    }

    if (plane != -1)
    {
        for (int s = 0; s < nstrips; ++s)
        {
            for (int i = 0; i < nfields; ++i)
            {
                int n         = s * nfields + i;
                m_f->m_exp[n] = m_f->m_exp[n]->GetPlane(plane);

                if (m_config["wavespace"].as<bool>())
                {
                    m_f->m_exp[n]->BwdTrans(m_f->m_exp[n]->GetCoeffs(),
                                            m_f->m_exp[n]->UpdatePhys());
                }
                else
                {
                    m_f->m_exp[n]->FwdTrans_IterPerExp(m_f->m_exp[n]->GetPhys(),
                                            m_f->m_exp[n]->UpdateCoeffs());
                }
            }
        }

        // Create new SessionReader with RowComm. This is done because when
        //  using a module requiring m_f->m_declareExpansionAsContField and
        //  outputting to vtu/dat, a new ContField with equispaced points
        //  is created. Since creating ContFields require communication, we have
        //  to change m_session->m_comm to prevent mpi from hanging
        //  (RowComm will only be used when creating the new expansion,
        //   since in other places we use m_f->m_comm)
        std::vector<std::string> files;
        for (int i = 0; i < m_f->m_inputfiles["xml"].size(); ++i)
        {
            files.push_back(m_f->m_inputfiles["xml"][i]);
        }
        for (int j = 0; j < m_f->m_inputfiles["xml.gz"].size(); ++j)
        {
            files.push_back(m_f->m_inputfiles["xml.gz"][j]);
        }
        vector<string> cmdArgs;
        cmdArgs.push_back("FieldConvert");
        if (m_f->m_verbose)
        {
            cmdArgs.push_back("--verbose");
        }
        int argc          = cmdArgs.size();
        const char **argv = new const char *[argc];
        for (int i = 0; i < argc; ++i)
        {
            argv[i] = cmdArgs[i].c_str();
        }
        m_f->m_session = LibUtilities::SessionReader::CreateInstance(
            argc, (char **)argv, files, m_f->m_comm->GetRowComm());
        m_f->m_session->InitSession();
    }
    else
    {
        // Create empty expansion
        for (int s = 0; s < nstrips; ++s)
        {
            for (int i = 0; i < nfields; ++i)
            {
                int n = s * nfields + i;
                m_f->m_exp[n] =
                    MemoryManager<MultiRegions::ExpList>::AllocateSharedPtr();
            }
        }
    }
}

Member Data Documentation

className

ModuleKey Nektar::FieldUtils::ProcessHomogeneousPlane::className

static

Initial value:

=
    GetModuleFactory().RegisterCreatorFunction(
        ModuleKey(eProcessModule, "homplane"),
        ProcessHomogeneousPlane::create,
        "Extracts a plane from a 3DH1D expansion, requires planeid to be "
        "defined.")

Definition at line 57 of file ProcessHomogeneousPlane.h.