Nektar::Utilities::Edge Class Reference

Represents an edge which joins two points. More...

#include <MeshElements.h>

Collaboration diagram for Nektar::Utilities::Edge:

Public Member Functions
	Edge (NodeSharedPtr pVertex1, NodeSharedPtr pVertex2, std::vector< NodeSharedPtr > pEdgeNodes, LibUtilities::PointsType pCurveType)
	Creates a new edge.
	Edge (const Edge &pSrc)
	Copies an existing edge.
	~Edge ()
unsigned int	GetNodeCount () const
	Returns the total number of nodes defining the edge.
std::string	GetXmlCurveString () const
	Creates a Nektar++ string listing the coordinates of all the nodes.
SpatialDomains::SegGeomSharedPtr	GetGeom (int coordDim)
	Generate a SpatialDomains::SegGeom object for this edge.

Public Attributes
unsigned int	m_id
	ID of edge.
NodeSharedPtr	m_n1
	First vertex node.
NodeSharedPtr	m_n2
	Second vertex node.
std::vector< NodeSharedPtr >	m_edgeNodes
	List of control nodes between the first and second vertices.
LibUtilities::PointsType	m_curveType
	Distributions of points along edge.
vector< pair< ElementSharedPtr, int > >	m_elLink
	Element(s) which are linked to this edge.

Private Attributes
SpatialDomains::SegGeomSharedPtr	m_geom

Detailed Description

Represents an edge which joins two points.

An edge is defined by two nodes (vertices) and, for high-order edges, a set of control nodes defining the shape of the edge.

Definition at line 227 of file MeshElements.h.

Constructor & Destructor Documentation

Nektar::Utilities::Edge::Edge ( NodeSharedPtr  pVertex1, NodeSharedPtr  pVertex2, std::vector< NodeSharedPtr >  pEdgeNodes, LibUtilities::PointsType  pCurveType  )

inline

Creates a new edge.

Definition at line 230 of file MeshElements.h.

                : m_n1(pVertex1), m_n2(pVertex2), m_edgeNodes(pEdgeNodes),
                  m_curveType(pCurveType), m_geom() {}

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

inline

Copies an existing edge.

Definition at line 236 of file MeshElements.h.

                : m_n1(pSrc.m_n1), m_n2(pSrc.m_n2), m_edgeNodes(pSrc.m_edgeNodes),
                  m_curveType(pSrc.m_curveType), m_geom(pSrc.m_geom) {}

Nektar::Utilities::Edge::~Edge ( )

inline

Definition at line 239 of file MeshElements.h.

{}

Member Function Documentation

SpatialDomains::SegGeomSharedPtr Nektar::Utilities::Edge::GetGeom ( int  coordDim )

inline

Generate a SpatialDomains::SegGeom object for this edge.

Definition at line 266 of file MeshElements.h.

References m_curveType, m_edgeNodes, m_id, m_n1, and m_n2.

            {
                // Create edge vertices.
                SpatialDomains::PointGeomSharedPtr p[2];
                SpatialDomains::SegGeomSharedPtr ret;

                p[0] = m_n1->GetGeom(coordDim);
                p[1] = m_n2->GetGeom(coordDim);
                
                // Create a curve if high-order information exists.
                if (m_edgeNodes.size() > 0)
                {
                    SpatialDomains::CurveSharedPtr c = 
                        MemoryManager<SpatialDomains::Curve>::
                        AllocateSharedPtr(m_id, m_curveType);
                    
                    c->m_points.push_back(p[0]);
                    for (int i = 0; i < m_edgeNodes.size(); ++i)
                    {
                        c->m_points.push_back(m_edgeNodes[i]->GetGeom(coordDim));
                    }
                    c->m_points.push_back(p[1]);
                    
                    ret = MemoryManager<SpatialDomains::SegGeom>::
                        AllocateSharedPtr(m_id, coordDim, p, c);
                }
                else
                {
                    ret = MemoryManager<SpatialDomains::SegGeom>::
                        AllocateSharedPtr(m_id, coordDim, p);
                }

                return ret;
            }

unsigned int Nektar::Utilities::Edge::GetNodeCount ( ) const

inline

Returns the total number of nodes defining the edge.

Definition at line 242 of file MeshElements.h.

References m_edgeNodes.

            {
                return m_edgeNodes.size() + 2;
            }

std::string Nektar::Utilities::Edge::GetXmlCurveString ( ) const

inline

Creates a Nektar++ string listing the coordinates of all the nodes.

Definition at line 249 of file MeshElements.h.

References m_edgeNodes, m_n1, and m_n2.

            {
                std::stringstream s;
                std::string str;
                s << std::scientific << std::setprecision(8) << "     "
                  <<  m_n1->m_x << "  " << m_n1->m_y << "  " << m_n1->m_z << "     ";
                for (int k = 0; k < m_edgeNodes.size(); ++k) {
                    s << std::scientific << std::setprecision(8) << "     "
                      <<  m_edgeNodes[k]->m_x << "  " << m_edgeNodes[k]->m_y
                      << "  " << m_edgeNodes[k]->m_z << "     ";
                }
                s << std::scientific << std::setprecision(8) << "     "
                  <<  m_n2->m_x << "  " << m_n2->m_y << "  " << m_n2->m_z;
                return s.str();
            }

Member Data Documentation

LibUtilities::PointsType Nektar::Utilities::Edge::m_curveType

Distributions of points along edge.

Definition at line 310 of file MeshElements.h.

Referenced by GetGeom().

std::vector<NodeSharedPtr> Nektar::Utilities::Edge::m_edgeNodes

List of control nodes between the first and second vertices.

Definition at line 308 of file MeshElements.h.

Referenced by GetGeom(), GetNodeCount(), and GetXmlCurveString().

vector<pair<ElementSharedPtr, int> > Nektar::Utilities::Edge::m_elLink

Element(s) which are linked to this edge.

Definition at line 312 of file MeshElements.h.

SpatialDomains::SegGeomSharedPtr Nektar::Utilities::Edge::m_geom

private

Definition at line 315 of file MeshElements.h.

unsigned int Nektar::Utilities::Edge::m_id

ID of edge.

Definition at line 302 of file MeshElements.h.

Referenced by GetGeom().

NodeSharedPtr Nektar::Utilities::Edge::m_n1

First vertex node.

Definition at line 304 of file MeshElements.h.

Referenced by GetGeom(), and GetXmlCurveString().

NodeSharedPtr Nektar::Utilities::Edge::m_n2

Second vertex node.

Definition at line 306 of file MeshElements.h.

Referenced by GetGeom(), and GetXmlCurveString().