Nektar::Utilities::ProcessLinear Class Reference

This processing module removes all the high-order information from the mesh leaving just the linear elements. More...

#include <ProcessLinear.h>

Inheritance diagram for Nektar::Utilities::ProcessLinear:

Collaboration diagram for Nektar::Utilities::ProcessLinear:

Public Member Functions
	ProcessLinear (MeshSharedPtr m)
virtual	~ProcessLinear ()
virtual void	Process ()
	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)
virtual void	Process (po::variables_map &vm)=0
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)
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 (MeshSharedPtr m)
	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 removes all the high-order information from the mesh leaving just the linear elements.

Definition at line 49 of file ProcessLinear.h.

Constructor & Destructor Documentation

Nektar::Utilities::ProcessLinear::ProcessLinear

(

MeshSharedPtr

m

)

Definition at line 50 of file ProcessLinear.cpp.

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

                                            : ProcessModule(m)
{
    m_config["all"] =
        ConfigOption(true, "0", "remove curve nodes for all elements.");
    m_config["invalid"] =
        ConfigOption(true, "0", "remove curve nodes if element is invalid.");
}

Nektar::Utilities::ProcessLinear::~ProcessLinear ( )

virtual

Definition at line 58 of file ProcessLinear.cpp.

{
}

Member Function Documentation

static boost::shared_ptr<Module> Nektar::Utilities::ProcessLinear::create ( MeshSharedPtr  m )

inlinestatic

Creates an instance of this class.

Definition at line 53 of file ProcessLinear.h.

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

    {
        return MemoryManager<ProcessLinear>::AllocateSharedPtr(m);
    }

void Nektar::Utilities::ProcessLinear::Process ( )

virtual

Write mesh to output file.

Implements Nektar::Utilities::Module.

Definition at line 62 of file ProcessLinear.cpp.

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

{
    if (m_mesh->m_verbose)
    {
        cout << "ProcessLinear: Linearising mesh... " << endl;
    }

    bool all     = m_config["all"].as<bool>();
    bool invalid = m_config["invalid"].as<bool>();

    ASSERTL0(all || invalid, "must specify option all or invalid");

    if (all)
    {
        EdgeSet::iterator eit;
        for (eit = m_mesh->m_edgeSet.begin(); eit != m_mesh->m_edgeSet.end();
             eit++)
        {
            (*eit)->m_edgeNodes.clear();
        }

        FaceSet::iterator fit;
        for (fit = m_mesh->m_faceSet.begin(); fit != m_mesh->m_faceSet.end();
             fit++)
        {
            (*fit)->m_faceNodes.clear();
        }

        for (int i = 0; i < m_mesh->m_element[m_mesh->m_expDim].size(); i++)
        {
            vector<NodeSharedPtr> empty;
            m_mesh->m_element[m_mesh->m_expDim][i]->SetVolumeNodes(empty);
        }
    }
    else if (invalid)
    {
        if (m_mesh->m_expDim == 3)
        {
            FaceSet::iterator fit;
            for (fit = m_mesh->m_faceSet.begin();
                 fit != m_mesh->m_faceSet.end();
                 fit++)
            {
                ASSERTL0((*fit)->m_faceNodes.size() == 0,
                         "has not be setup to handle face curvature yet");
            }
        }

        vector<ElementSharedPtr> el = m_mesh->m_element[m_mesh->m_expDim];
        // Iterate over list of elements of expansion dimension.
        for (int i = 0; i < el.size(); ++i)
        {
            // Create elemental geometry.
            SpatialDomains::GeometrySharedPtr geom =
                el[i]->GetGeom(m_mesh->m_spaceDim);

            // Generate geometric factors.
            SpatialDomains::GeomFactorsSharedPtr gfac = geom->GetGeomFactors();

            // Get the Jacobian and, if it is negative, print a warning
            // message.
            if (!gfac->IsValid())
            {

                vector<FaceSharedPtr> f = el[i]->GetFaceList();
                for (int j = 0; j < f.size(); j++)
                {
                    vector<EdgeSharedPtr> e = f[j]->m_edgeList;
                    for (int k = 0; k < e.size(); k++)
                    {
                        if (e[k]->m_edgeNodes.size())
                        {
                            vector<NodeSharedPtr> zeroNodes;
                            e[k]->m_edgeNodes = zeroNodes;
                        }
                    }
                }
            }
        }
    }
}

Member Data Documentation

ModuleKey Nektar::Utilities::ProcessLinear::className

static

Initial value:

= GetModuleFactory().RegisterCreatorFunction(
    ModuleKey(eProcessModule, "linearise"),
    ProcessLinear::create,
    "Linearises mesh.")

Definition at line 57 of file ProcessLinear.h.