Nektar::Utilities::Node Class Reference

Represents a point in the domain. More...

#include <MeshElements.h>

Public Member Functions
	Node (int pId, NekDouble pX, NekDouble pY, NekDouble pZ)
	Create a new node at a specified coordinate.
	Node (const Node &pSrc)
	Copy an existing node.
	Node ()
	~Node ()
void	SetID (int pId)
	Reset the local id;.
int	GetID (void)
	Get the local id;.
bool	operator< (const Node &pSrc)
	Define node ordering based on ID.
bool	operator== (const Node &pSrc)
	Define node equality based on coordinate.
Node	operator+ (const Node &pSrc) const
Node	operator- (const Node &pSrc) const
Node	operator* (const Node &pSrc) const
Node	operator* (const NekDouble &alpha) const
Node	operator/ (const NekDouble &alpha) const
void	operator+= (const Node &pSrc)
void	operator*= (const NekDouble &alpha)
void	operator/= (const NekDouble &alpha)
NekDouble	abs2 () const
NekDouble	dot (const Node &pSrc) const
Node	curl (const Node &pSrc) const
SpatialDomains::PointGeomSharedPtr	GetGeom (int coordDim)
	Generate a SpatialDomains::PointGeom for this node.

Public Attributes
int	m_id
	ID of node.
NekDouble	m_x
	X-coordinate.
NekDouble	m_y
	Y-coordinate.
NekDouble	m_z
	Z-coordinate.

Private Attributes
SpatialDomains::PointGeomSharedPtr	m_geom

Detailed Description

Represents a point in the domain.

Such points may either be element vertices, or simply control points on high-order edges/faces, although this information is not contained within this class.

Definition at line 74 of file MeshElements.h.

Constructor & Destructor Documentation

Nektar::Utilities::Node::Node ( int  pId, NekDouble  pX, NekDouble  pY, NekDouble  pZ  )

inline

Create a new node at a specified coordinate.

Definition at line 77 of file MeshElements.h.

                : m_id(pId), m_x(pX), m_y(pY), m_z(pZ), m_geom() {}

Nektar::Utilities::Node::Node ( const Node &  pSrc )

inline

Copy an existing node.

Definition at line 80 of file MeshElements.h.

                : m_id(pSrc.m_id), m_x(pSrc.m_x), m_y(pSrc.m_y), 
                  m_z(pSrc.m_z), m_geom() {}

Nektar::Utilities::Node::Node ( )

inline

Definition at line 83 of file MeshElements.h.

Referenced by curl(), operator*(), operator+(), operator-(), and operator/().

: m_id(0), m_x(0.0), m_y(0.0), m_z(0.0), m_geom() {}

Nektar::Utilities::Node::~Node ( )

inline

Definition at line 84 of file MeshElements.h.

{}

Member Function Documentation

NekDouble Nektar::Utilities::Node::abs2 ( ) const

inline

Definition at line 155 of file MeshElements.h.

References m_x, m_y, and m_z.

Referenced by Nektar::Utilities::ProcessSpherigon::GenerateNormals(), Nektar::Utilities::ProcessPerAlign::Process(), and Nektar::Utilities::ProcessSpherigon::Process().

            {
                return m_x*m_x+m_y*m_y+m_z*m_z;
            }

Node Nektar::Utilities::Node::curl ( const Node &  pSrc ) const

inline

Definition at line 166 of file MeshElements.h.

References m_id, m_x, m_y, m_z, and Node().

Referenced by Nektar::Utilities::InputTec::SortEdgeNodes(), and Nektar::Utilities::InputTec::SortFaceNodes().

            {
                return Node(m_id, m_y*pSrc.m_z - m_z*pSrc.m_y, 
                            m_z*pSrc.m_x-m_x*pSrc.m_z, m_x*pSrc.m_y-m_y*pSrc.m_x);
            }

NekDouble Nektar::Utilities::Node::dot ( const Node &  pSrc ) const

inline

Definition at line 160 of file MeshElements.h.

References m_x, m_y, and m_z.

Referenced by Nektar::Utilities::ProcessSpherigon::Process(), Nektar::Utilities::InputTec::SortEdgeNodes(), and Nektar::Utilities::InputTec::SortFaceNodes().

            {
                return m_x*pSrc.m_x + m_y*pSrc.m_y + m_z*pSrc.m_z;
            }

SpatialDomains::PointGeomSharedPtr Nektar::Utilities::Node::GetGeom ( int  coordDim )

inline

Generate a SpatialDomains::PointGeom for this node.

Definition at line 173 of file MeshElements.h.

References m_id, m_x, m_y, and m_z.

            {
                SpatialDomains::PointGeomSharedPtr ret =
                    MemoryManager<SpatialDomains::PointGeom>
                        ::AllocateSharedPtr(coordDim,m_id,m_x,m_y,m_z);

                return ret;
            }

int Nektar::Utilities::Node::GetID ( void  )

inline

Get the local id;.

Definition at line 93 of file MeshElements.h.

References m_id.

            {
                return m_id;
            }

Node Nektar::Utilities::Node::operator* ( const Node &  pSrc ) const

inline

Definition at line 119 of file MeshElements.h.

References m_id, m_x, m_y, m_z, and Node().

            {
                return Node(m_id, m_x*pSrc.m_x, m_y*pSrc.m_y, m_z*pSrc.m_z);
            }

Node Nektar::Utilities::Node::operator* ( const NekDouble &  alpha ) const

inline

Definition at line 124 of file MeshElements.h.

References m_id, m_x, m_y, m_z, and Node().

            {
                return Node(m_id, alpha*m_x, alpha*m_y, alpha*m_z);
            }

void Nektar::Utilities::Node::operator*= ( const NekDouble &  alpha )

inline

Definition at line 141 of file MeshElements.h.

References m_x, m_y, and m_z.

            {
                m_x *= alpha;
                m_y *= alpha;
                m_z *= alpha;
            }

Node Nektar::Utilities::Node::operator+ ( const Node &  pSrc ) const

inline

Definition at line 109 of file MeshElements.h.

References m_id, m_x, m_y, m_z, and Node().

            {
                return Node(m_id, m_x+pSrc.m_x, m_y+pSrc.m_y, m_z+pSrc.m_z);
            }

void Nektar::Utilities::Node::operator+= ( const Node &  pSrc )

inline

Definition at line 134 of file MeshElements.h.

References m_x, m_y, and m_z.

            {
                m_x += pSrc.m_x;
                m_y += pSrc.m_y;
                m_z += pSrc.m_z;
            }

Node Nektar::Utilities::Node::operator- ( const Node &  pSrc ) const

inline

Definition at line 114 of file MeshElements.h.

References m_id, m_x, m_y, m_z, and Node().

            {
                return Node(m_id, m_x-pSrc.m_x, m_y-pSrc.m_y, m_z-pSrc.m_z);
            }

Node Nektar::Utilities::Node::operator/ ( const NekDouble &  alpha ) const

inline

Definition at line 129 of file MeshElements.h.

References m_id, m_x, m_y, m_z, and Node().

            {
                return Node(m_id, m_x/alpha, m_y/alpha, m_z/alpha);
            }

void Nektar::Utilities::Node::operator/= ( const NekDouble &  alpha )

inline

Definition at line 148 of file MeshElements.h.

References m_x, m_y, and m_z.

            {
                m_x /= alpha;
                m_y /= alpha;
                m_z /= alpha;
            }

bool Nektar::Utilities::Node::operator< ( const Node &  pSrc )

inline

Define node ordering based on ID.

Definition at line 99 of file MeshElements.h.

References m_id.

            {
                return (m_id < pSrc.m_id);
            }

bool Nektar::Utilities::Node::operator== ( const Node &  pSrc )

inline

Define node equality based on coordinate.

Definition at line 104 of file MeshElements.h.

References m_x, m_y, and m_z.

            {
                return m_x == pSrc.m_x && m_y == pSrc.m_y && m_z == pSrc.m_z;
            }

void Nektar::Utilities::Node::SetID ( int  pId )

inline

Reset the local id;.

Definition at line 87 of file MeshElements.h.

References m_id.

            {
                m_id = pId;
            }

Member Data Documentation

SpatialDomains::PointGeomSharedPtr Nektar::Utilities::Node::m_geom

private

Definition at line 192 of file MeshElements.h.

int Nektar::Utilities::Node::m_id

ID of node.

Definition at line 183 of file MeshElements.h.

Referenced by curl(), GetGeom(), GetID(), operator*(), operator+(), operator-(), operator/(), operator<(), Nektar::Utilities::ProcessPerAlign::Process(), and SetID().

NekDouble Nektar::Utilities::Node::m_x

X-coordinate.

Definition at line 185 of file MeshElements.h.

Referenced by abs2(), Nektar::Utilities::ProcessSpherigon::CrossProdMag(), curl(), dot(), Nektar::Utilities::ProcessSpherigon::GenerateNormals(), GetGeom(), operator*(), operator*=(), operator+(), operator+=(), operator-(), operator/(), operator/=(), operator==(), Nektar::Utilities::ProcessPerAlign::Process(), Nektar::Utilities::ProcessSpherigon::Process(), Nektar::Utilities::ProcessScalar::Process(), and Nektar::Utilities::ProcessSpherigon::UnitCrossProd().

NekDouble Nektar::Utilities::Node::m_y

Y-coordinate.

Definition at line 187 of file MeshElements.h.

Referenced by abs2(), Nektar::Utilities::ProcessSpherigon::CrossProdMag(), curl(), dot(), Nektar::Utilities::ProcessSpherigon::GenerateNormals(), GetGeom(), operator*(), operator*=(), operator+(), operator+=(), operator-(), operator/(), operator/=(), operator==(), Nektar::Utilities::ProcessPerAlign::Process(), Nektar::Utilities::ProcessSpherigon::Process(), Nektar::Utilities::ProcessScalar::Process(), and Nektar::Utilities::ProcessSpherigon::UnitCrossProd().

NekDouble Nektar::Utilities::Node::m_z

Z-coordinate.

Definition at line 189 of file MeshElements.h.

Referenced by abs2(), Nektar::Utilities::ProcessSpherigon::CrossProdMag(), curl(), dot(), Nektar::Utilities::ProcessSpherigon::GenerateNormals(), GetGeom(), operator*(), operator*=(), operator+(), operator+=(), operator-(), operator/(), operator/=(), operator==(), Nektar::Utilities::ProcessPerAlign::Process(), Nektar::Utilities::ProcessSpherigon::Process(), Nektar::Utilities::ProcessScalar::Process(), and Nektar::Utilities::ProcessSpherigon::UnitCrossProd().