#include <QuadGeom.h>

Inheritance diagram for Nektar::SpatialDomains::QuadGeom:

Collaboration diagram for Nektar::SpatialDomains::QuadGeom:

Public Member Functions
	QuadGeom ()

	QuadGeom (const int id, const PointGeomSharedPtr verts[], const SegGeomSharedPtr edges[], const StdRegions::Orientation eorient[])

	QuadGeom (const int id, const SegGeomSharedPtr edges[], const StdRegions::Orientation eorient[])

	QuadGeom (const int id, const SegGeomSharedPtr edges[], const StdRegions::Orientation eorient[], const CurveSharedPtr &curve)

	QuadGeom (const QuadGeom &in)

	~QuadGeom ()

NekDouble	GetCoord (const int i, const Array< OneD, const NekDouble > &Lcoord)

Public Member Functions inherited from Nektar::SpatialDomains::Geometry2D
	Geometry2D ()

	Geometry2D (const int coordim)

virtual	~Geometry2D ()

int	GetFid () const

const Geometry1DSharedPtr	GetEdge (int i) const

const Geometry2DSharedPtr	GetFace (int i) const

int	WhichEdge (SegGeomSharedPtr edge)

int	WhichFace (Geometry2DSharedPtr face)

const LibUtilities::BasisSharedPtr	GetEdgeBasis (const int i)

StdRegions::Orientation	GetFaceOrient (const int i) const

StdRegions::Orientation	GetCartesianEorient (const int i) const

Public Member Functions inherited from Nektar::SpatialDomains::Geometry
	Geometry ()

	Geometry (int coordim)

virtual	~Geometry ()

bool	IsElmtConnected (int gvo_id, int locid) const

void	AddElmtConnected (int gvo_id, int locid)

int	NumElmtConnected () const

int	GetCoordim () const

void	SetCoordim (int coordim)

GeomFactorsSharedPtr	GetGeomFactors ()

GeomFactorsSharedPtr	GetRefGeomFactors (const Array< OneD, const LibUtilities::BasisSharedPtr > &tbasis)

GeomFactorsSharedPtr	GetMetricInfo ()

LibUtilities::ShapeType	GetShapeType (void)

int	GetGlobalID (void)

void	SetGlobalID (int globalid)

int	GetVid (int i) const

int	GetEid (int i) const

int	GetFid (int i) const

int	GetTid (int i) const

int	GetNumVerts () const

PointGeomSharedPtr	GetVertex (int i) const

StdRegions::Orientation	GetEorient (const int i) const

StdRegions::Orientation	GetPorient (const int i) const

StdRegions::Orientation	GetForient (const int i) const

int	GetNumEdges () const

int	GetNumFaces () const

int	GetShapeDim () const

StdRegions::StdExpansionSharedPtr	GetXmap () const

const Array< OneD, const NekDouble > &	GetCoeffs (const int i) const

bool	ContainsPoint (const Array< OneD, const NekDouble > &gloCoord, NekDouble tol=0.0)

bool	ContainsPoint (const Array< OneD, const NekDouble > &gloCoord, Array< OneD, NekDouble > &locCoord, NekDouble tol)

bool	ContainsPoint (const Array< OneD, const NekDouble > &gloCoord, Array< OneD, NekDouble > &locCoord, NekDouble tol, NekDouble &resid)

int	GetVertexEdgeMap (int i, int j) const

int	GetVertexFaceMap (int i, int j) const
	return the id of the $j^{th}$ face attached to the $i^{th}$ vertex More...

int	GetEdgeFaceMap (int i, int j) const

void	FillGeom ()
	Put all quadrature information into face/edge structure and backward transform. More...

NekDouble	GetLocCoords (const Array< OneD, const NekDouble > &coords, Array< OneD, NekDouble > &Lcoords)

NekDouble	GetCoord (const int i, const Array< OneD, const NekDouble > &Lcoord)
	Given local collapsed coordinate Lcoord return the value of physical coordinate in direction i. More...

void	SetOwnData ()

const LibUtilities::BasisSharedPtr	GetBasis (const int i)
	Return the j-th basis of the i-th co-ordinate dimension. More...

const LibUtilities::PointsKeyVector	GetPointsKeys ()

void	Reset (CurveMap &curvedEdges, CurveMap &curvedFaces)

Static Public Member Functions
static StdRegions::Orientation	GetFaceOrientation (const QuadGeom &face1, const QuadGeom &face2)
	Get the orientation of face1. More...

static StdRegions::Orientation	GetFaceOrientation (const PointGeomVector &face1, const PointGeomVector &face2)

Static Public Attributes
static const int	kNverts = 4

static const int	kNedges = 4

static const std::string	XMLElementType

Protected Member Functions
virtual void	v_AddElmtConnected (int gvo_id, int locid)

virtual int	v_NumElmtConnected () const

virtual bool	v_IsElmtConnected (int gvo_id, int locid) const

virtual int	v_GetFid () const

virtual int	v_GetCoordim () const

virtual const LibUtilities::BasisSharedPtr	v_GetBasis (const int i)

virtual const LibUtilities::BasisSharedPtr	v_GetEdgeBasis (const int i)

virtual NekDouble	v_GetCoord (const int i, const Array< OneD, const NekDouble > &Lcoord)

void	v_GenGeomFactors ()

virtual void	v_SetOwnData ()

virtual void	v_FillGeom ()
	Put all quadrature information into edge structure. More...

virtual NekDouble	v_GetLocCoords (const Array< OneD, const NekDouble > &coords, Array< OneD, NekDouble > &Lcoords)

virtual int	v_GetEid (int i) const

virtual int	v_GetVid (int i) const

virtual PointGeomSharedPtr	v_GetVertex (int i) const

virtual const Geometry1DSharedPtr	v_GetEdge (int i) const

virtual StdRegions::Orientation	v_GetEorient (const int i) const

virtual StdRegions::Orientation	v_GetCartesianEorient (const int i) const

virtual int	v_WhichEdge (SegGeomSharedPtr edge)
	Return the edge number of the given edge. More...

virtual int	v_GetNumVerts () const

virtual int	v_GetNumEdges () const

virtual bool	v_ContainsPoint (const Array< OneD, const NekDouble > &gloCoord, NekDouble tol=0.0)

virtual bool	v_ContainsPoint (const Array< OneD, const NekDouble > &gloCoord, Array< OneD, NekDouble > &locCoord, NekDouble tol)

virtual bool	v_ContainsPoint (const Array< OneD, const NekDouble > &gloCoord, Array< OneD, NekDouble > &locCoord, NekDouble tol, NekDouble &resid)

virtual void	v_Reset (CurveMap &curvedEdges, CurveMap &curvedFaces)
	Reset this geometry object: unset the current state and remove allocated GeomFactors. More...

Protected Member Functions inherited from Nektar::SpatialDomains::Geometry2D
void	NewtonIterationForLocCoord (const Array< OneD, const NekDouble > &coords, const Array< OneD, const NekDouble > &ptsx, const Array< OneD, const NekDouble > &ptsy, Array< OneD, NekDouble > &Lcoords, NekDouble &resid)

Protected Member Functions inherited from Nektar::SpatialDomains::Geometry
void	GenGeomFactors ()

virtual int	v_GetFid (int i) const

virtual StdRegions::Orientation	v_GetPorient (const int i) const

virtual StdRegions::Orientation	v_GetForient (const int i) const

virtual int	v_GetNumFaces () const

virtual StdRegions::StdExpansionSharedPtr	v_GetXmap () const

virtual int	v_GetVertexEdgeMap (int i, int j) const

virtual int	v_GetVertexFaceMap (int i, int j) const

virtual int	v_GetEdgeFaceMap (int i, int j) const

void	SetUpCoeffs (const int nCoeffs)
	Initialise the m_coeffs array. More...

Protected Attributes
PointGeomVector	m_verts

SegGeomVector	m_edges

StdRegions::Orientation	m_eorient [kNedges]

int	m_fid

bool	m_ownVerts

std::list< CompToElmt >	m_elmtMap

CurveSharedPtr	m_curve

Protected Attributes inherited from Nektar::SpatialDomains::Geometry
int	m_coordim
	coordinate dimension More...

GeomFactorsSharedPtr	m_geomFactors

GeomState	m_geomFactorsState

StdRegions::StdExpansionSharedPtr	m_xmap

GeomState	m_state
	enum identifier to determine if quad points are filled More...

GeomType	m_geomType

LibUtilities::ShapeType	m_shapeType

int	m_globalID

Array< OneD, Array< OneD, NekDouble > >	m_coeffs

Private Member Functions
void	SetUpXmap ()

Private Attributes
bool	m_ownData
	Boolean indicating whether object owns the data. More...

Additional Inherited Members
Static Protected Member Functions inherited from Nektar::SpatialDomains::Geometry
static GeomFactorsSharedPtr	ValidateRegGeomFactor (GeomFactorsSharedPtr geomFactor)

Static Protected Attributes inherited from Nektar::SpatialDomains::Geometry
static GeomFactorsVector	m_regGeomFactorsManager

Detailed Description

Definition at line 60 of file QuadGeom.h.

Constructor & Destructor Documentation

Nektar::SpatialDomains::QuadGeom::QuadGeom ( )

Definition at line 53 of file QuadGeom.cpp.

References Nektar::LibUtilities::eQuadrilateral, and Nektar::SpatialDomains::Geometry::m_shapeType.

         {
             m_shapeType = LibUtilities::eQuadrilateral;
         }

Nektar::SpatialDomains::QuadGeom::QuadGeom	(	const int	id,
		const PointGeomSharedPtr	verts[],
		const SegGeomSharedPtr	edges[],
		const StdRegions::Orientation	eorient[]
	)

Copy the vert shared pointers.

Copy the edge shared pointers.

Definition at line 62 of file QuadGeom.cpp.

References ASSERTL0, Nektar::LibUtilities::eQuadrilateral, kNedges, kNverts, Nektar::SpatialDomains::Geometry::m_coordim, m_edges, m_eorient, Nektar::SpatialDomains::Geometry::m_globalID, Nektar::SpatialDomains::Geometry::m_shapeType, m_verts, Nektar::SpatialDomains::Geometry::m_xmap, Nektar::SpatialDomains::Geometry::SetUpCoeffs(), and SetUpXmap().

                                                                  :
             Geometry2D(verts[0]->GetCoordim()),
             m_fid(id)
         {
             m_globalID = id;
             m_shapeType = LibUtilities::eQuadrilateral;
 
             /// Copy the vert shared pointers.
             m_verts.insert(m_verts.begin(), verts, verts+QuadGeom::kNverts);
 
             /// Copy the edge shared pointers.
             m_edges.insert(m_edges.begin(), edges, edges+QuadGeom::kNedges);
 
 
             for (int j=0; j<kNedges; ++j)
             {
                 m_eorient[j] = eorient[j];
             }
 
             m_coordim = verts[0]->GetCoordim();
             ASSERTL0(m_coordim > 1,
                      "Cannot call function with dim == 1");
 
             SetUpXmap();
             SetUpCoeffs(m_xmap->GetNcoeffs());
         }

Nektar::SpatialDomains::QuadGeom::QuadGeom	(	const int	id,
		const SegGeomSharedPtr	edges[],
		const StdRegions::Orientation	eorient[]
	)

Copy the edge shared pointers.

Definition at line 142 of file QuadGeom.cpp.

References ASSERTL0, Nektar::StdRegions::eForwards, Nektar::LibUtilities::eQuadrilateral, Nektar::SpatialDomains::Geometry::GetVertex(), kNedges, Nektar::SpatialDomains::Geometry::m_coordim, m_edges, m_eorient, m_fid, Nektar::SpatialDomains::Geometry::m_globalID, Nektar::SpatialDomains::Geometry::m_shapeType, m_verts, Nektar::SpatialDomains::Geometry::m_xmap, Nektar::SpatialDomains::Geometry::SetUpCoeffs(), and SetUpXmap().

                                                                  :
             Geometry2D(edges[0]->GetVertex(0)->GetCoordim()),
             m_fid(id)
         {
             int j;
 
             m_globalID = m_fid;
             m_shapeType = LibUtilities::eQuadrilateral;
 
             /// Copy the edge shared pointers.
             m_edges.insert(m_edges.begin(), edges, edges+QuadGeom::kNedges);
 
             for(j=0; j <kNedges; ++j)
             {
                 if(eorient[j] == StdRegions::eForwards)
                 {
                     m_verts.push_back(edges[j]->GetVertex(0));
                 }
                 else
                 {
                     m_verts.push_back(edges[j]->GetVertex(1));
                 }
             }
 
             for (j=0; j<kNedges; ++j)
             {
                 m_eorient[j] = eorient[j];
             }
 
             m_coordim = edges[0]->GetVertex(0)->GetCoordim();
             ASSERTL0(m_coordim > 1,
                 "Cannot call function with dim == 1");
 
             SetUpXmap();
             SetUpCoeffs(m_xmap->GetNcoeffs());
         }

Nektar::SpatialDomains::QuadGeom::QuadGeom	(	const int	id,
		const SegGeomSharedPtr	edges[],
		const StdRegions::Orientation	eorient[],
		const CurveSharedPtr &	curve
	)

Copy the edge shared pointers.

Definition at line 96 of file QuadGeom.cpp.

References ASSERTL0, Nektar::StdRegions::eForwards, Nektar::LibUtilities::eQuadrilateral, Nektar::SpatialDomains::Geometry::GetVertex(), kNedges, Nektar::SpatialDomains::Geometry::m_coordim, m_edges, m_eorient, m_fid, Nektar::SpatialDomains::Geometry::m_globalID, Nektar::SpatialDomains::Geometry::m_shapeType, m_verts, Nektar::SpatialDomains::Geometry::m_xmap, Nektar::SpatialDomains::Geometry::SetUpCoeffs(), and SetUpXmap().

                                                         :
             Geometry2D(edges[0]->GetVertex(0)->GetCoordim()),
             m_fid(id),
             m_curve(curve)
         {
             int j;
 
             m_globalID = m_fid;
 
             m_shapeType = LibUtilities::eQuadrilateral;
 
             /// Copy the edge shared pointers.
             m_edges.insert(m_edges.begin(), edges, edges+QuadGeom::kNedges);
 
             for(j=0; j <kNedges; ++j)
             {
                 if(eorient[j] == StdRegions::eForwards)
                 {
                     m_verts.push_back(edges[j]->GetVertex(0));
                 }
                 else
                 {
                     m_verts.push_back(edges[j]->GetVertex(1));
                 }
             }
 
             for (j=0; j<kNedges; ++j)
             {
                 m_eorient[j] = eorient[j];
             }
 
             m_coordim = edges[0]->GetVertex(0)->GetCoordim();
             ASSERTL0(m_coordim > 1,
                 "Cannot call function with dim == 1");
 
             SetUpXmap();
             SetUpCoeffs(m_xmap->GetNcoeffs());
         }

Nektar::SpatialDomains::QuadGeom::QuadGeom ( const QuadGeom & in )

Definition at line 185 of file QuadGeom.cpp.

References kNedges, m_edges, m_elmtMap, m_eorient, m_fid, Nektar::SpatialDomains::Geometry::m_globalID, m_ownData, m_ownVerts, Nektar::SpatialDomains::Geometry::m_shapeType, and m_verts.

         {
             // From Geometry
             m_shapeType = in.m_shapeType;
 
             // From QuadFaceComponent
             m_fid = in.m_fid;
             m_globalID = m_fid;
             m_ownVerts = in.m_ownVerts;
             std::list<CompToElmt>::const_iterator def;
             for(def = in.m_elmtMap.begin(); def != in.m_elmtMap.end(); def++)
             {
                 m_elmtMap.push_back(*def);
             }
 
             // From QuadGeom
             m_verts = in.m_verts;
             m_edges = in.m_edges;
             for (int i = 0; i < kNedges; i++)
             {
                 m_eorient[i] = in.m_eorient[i];
             }
             m_ownData = in.m_ownData;
         }

Nektar::SpatialDomains::QuadGeom::~QuadGeom ( )

Definition at line 214 of file QuadGeom.cpp.

215 {

216 }

Member Function Documentation

NekDouble Nektar::SpatialDomains::QuadGeom::GetCoord	(	const int	i,
		const Array< OneD, const NekDouble > &	Lcoord
	)

Definition at line 241 of file QuadGeom.cpp.

References ASSERTL1, Nektar::SpatialDomains::ePtsFilled, Nektar::SpatialDomains::Geometry::m_coeffs, Nektar::SpatialDomains::Geometry::m_state, and Nektar::SpatialDomains::Geometry::m_xmap.

Referenced by v_GetCoord().

         {
             ASSERTL1(m_state == ePtsFilled,
                 "Geometry is not in physical space");
 
             Array<OneD, NekDouble> tmp(m_xmap->GetTotPoints());
             m_xmap->BwdTrans(m_coeffs[i], tmp);
 
             return m_xmap->PhysEvaluate(Lcoord, tmp);
         }

StdRegions::Orientation Nektar::SpatialDomains::QuadGeom::GetFaceOrientation	(	const QuadGeom &	face1,
		const QuadGeom &	face2
	)

static

Get the orientation of face1.

Definition at line 253 of file QuadGeom.cpp.

References m_verts.

Referenced by Nektar::MultiRegions::DisContField3D::FindPeriodicFaces().

         {
             return GetFaceOrientation(face1.m_verts, face2.m_verts);
         }

StdRegions::Orientation Nektar::SpatialDomains::QuadGeom::GetFaceOrientation	(	const PointGeomVector &	face1,
		const PointGeomVector &	face2
	)

static

Calculate the orientation of face2 to face1 (note this is not face1 to face2!).

Definition at line 264 of file QuadGeom.cpp.

References ASSERTL0, Nektar::StdRegions::eDir1BwdDir1_Dir2BwdDir2, Nektar::StdRegions::eDir1BwdDir1_Dir2FwdDir2, Nektar::StdRegions::eDir1BwdDir2_Dir2BwdDir1, Nektar::StdRegions::eDir1BwdDir2_Dir2FwdDir1, Nektar::StdRegions::eDir1FwdDir1_Dir2BwdDir2, Nektar::StdRegions::eDir1FwdDir1_Dir2FwdDir2, Nektar::StdRegions::eDir1FwdDir2_Dir2BwdDir1, and Nektar::StdRegions::eDir1FwdDir2_Dir2FwdDir1.

         {
             int i, j, vmap[4] = {-1,-1,-1,-1};
             NekDouble x, y, z, x1, y1, z1, cx = 0.0, cy = 0.0, cz = 0.0;
 
             // For periodic faces, we calculate the vector between the centre
             // points of the two faces. (For connected faces this will be
             // zero). We can then use this to determine alignment later in the
             // algorithm.
             for (i = 0; i < 4; ++i)
             {
                 cx += (*face2[i])(0) - (*face1[i])(0);
                 cy += (*face2[i])(1) - (*face1[i])(1);
                 cz += (*face2[i])(2) - (*face1[i])(2);
             }
             cx /= 4;
             cy /= 4;
             cz /= 4;
 
             // Now construct a mapping which takes us from the vertices of one
             // face to the other. That is, vertex j of face2 corresponds to
             // vertex vmap[j] of face1.
             for (i = 0; i < 4; ++i)
             {
                 x = (*face1[i])(0);
                 y = (*face1[i])(1);
                 z = (*face1[i])(2);
                 for (j = 0; j < 4; ++j)
                 {
                     x1 = (*face2[j])(0)-cx;
                     y1 = (*face2[j])(1)-cy;
                     z1 = (*face2[j])(2)-cz;
                     if (sqrt((x1-x)*(x1-x)+(y1-y)*(y1-y)+(z1-z)*(z1-z)) < 1e-8)
                     {
                         vmap[j] = i;
                         break;
                     }
                 }
             }
 
             // Use the mapping to determine the eight alignment options between
             // faces.
             if (vmap[1] == (vmap[0]+1) % 4)
             {
                 switch (vmap[0])
                 {
                     case 0:
                         return StdRegions::eDir1FwdDir1_Dir2FwdDir2;
                         break;
                     case 1:
                         return StdRegions::eDir1BwdDir2_Dir2FwdDir1;
                         break;
                     case 2:
                         return StdRegions::eDir1BwdDir1_Dir2BwdDir2;
                         break;
                     case 3:
                         return StdRegions::eDir1FwdDir2_Dir2BwdDir1;
                         break;
                 }
             }
             else
             {
                 switch (vmap[0])
                 {
                     case 0:
                         return StdRegions::eDir1FwdDir2_Dir2FwdDir1;
                         break;
                     case 1:
                         return StdRegions::eDir1BwdDir1_Dir2FwdDir2;
                         break;
                     case 2:
                         return StdRegions::eDir1BwdDir2_Dir2BwdDir1;
                         break;
                     case 3:
                         return StdRegions::eDir1FwdDir1_Dir2BwdDir2;
                         break;
                 }
             }
 
             ASSERTL0(false, "unable to determine face orientation");
             return StdRegions::eDir1FwdDir1_Dir2FwdDir2;
        }

void Nektar::SpatialDomains::QuadGeom::SetUpXmap ( )

private

Definition at line 218 of file QuadGeom.cpp.

References Nektar::MemoryManager< DataType >::AllocateSharedPtr(), Nektar::LibUtilities::eGaussLobattoLegendre, Nektar::LibUtilities::eModified_A, Nektar::SpatialDomains::Geometry::GetBasis(), m_edges, and Nektar::SpatialDomains::Geometry::m_xmap.

Referenced by QuadGeom(), and v_Reset().

         {
             int order0  = max(m_edges[0]->GetBasis(0)->GetNumModes(),
                               m_edges[2]->GetBasis(0)->GetNumModes());
             int order1  = max(m_edges[1]->GetBasis(0)->GetNumModes(),
                               m_edges[3]->GetBasis(0)->GetNumModes());
 
             const LibUtilities::BasisKey B0(
                 LibUtilities::eModified_A, order0,
                 LibUtilities::PointsKey(
                     order0+1, LibUtilities::eGaussLobattoLegendre));
             const LibUtilities::BasisKey B1(
                 LibUtilities::eModified_A, order1,
                 LibUtilities::PointsKey(
                     order1+1,LibUtilities::eGaussLobattoLegendre));
 
             m_xmap = MemoryManager<StdRegions::StdQuadExp>
                 ::AllocateSharedPtr(B0,B1);
         }

void Nektar::SpatialDomains::QuadGeom::v_AddElmtConnected	(	int	gvo_id,
		int	locid
	)

protectedvirtual

Reimplemented from Nektar::SpatialDomains::Geometry.

Definition at line 353 of file QuadGeom.cpp.

References m_elmtMap.

         {
             CompToElmt ee(gvo_id,locid);
             m_elmtMap.push_back(ee);
         }

bool Nektar::SpatialDomains::QuadGeom::v_ContainsPoint	(	const Array< OneD, const NekDouble > &	gloCoord,
		NekDouble	tol = `0.0`
	)

protectedvirtual

Reimplemented from Nektar::SpatialDomains::Geometry2D.

Definition at line 788 of file QuadGeom.cpp.

References Nektar::SpatialDomains::Geometry::GetCoordim().

Referenced by v_ContainsPoint().

         {
             Array<OneD,NekDouble> locCoord(GetCoordim(),0.0);
             return v_ContainsPoint(gloCoord,locCoord,tol);
 
         }

bool Nektar::SpatialDomains::QuadGeom::v_ContainsPoint	(	const Array< OneD, const NekDouble > &	gloCoord,
		Array< OneD, NekDouble > &	locCoord,
		NekDouble	tol
	)

protectedvirtual

Reimplemented from Nektar::SpatialDomains::Geometry.

Definition at line 798 of file QuadGeom.cpp.

References v_ContainsPoint().

         {
             NekDouble resid;
             return v_ContainsPoint(gloCoord,stdCoord,tol,resid);
         }

bool Nektar::SpatialDomains::QuadGeom::v_ContainsPoint	(	const Array< OneD, const NekDouble > &	gloCoord,
		Array< OneD, NekDouble > &	locCoord,
		NekDouble	tol,
		NekDouble &	resid
	)

protectedvirtual

Reimplemented from Nektar::SpatialDomains::Geometry.

Definition at line 806 of file QuadGeom.cpp.

References ASSERTL1, and Nektar::SpatialDomains::Geometry::GetLocCoords().

         {
             ASSERTL1(gloCoord.num_elements() >= 2,
                      "Two dimensional geometry expects at least two coordinates.");
 
             resid = GetLocCoords(gloCoord, stdCoord);
             if (stdCoord[0] >= -(1+tol) && stdCoord[1] >= -(1+tol)
                 && stdCoord[0] <= (1+tol) && stdCoord[1] <= (1+tol))
             {
                 return true;
             }
             return false;
         }

void Nektar::SpatialDomains::QuadGeom::v_FillGeom ( )

protectedvirtual

Put all quadrature information into edge structure.

Note verts and edges are listed according to anticlockwise convention but points in _coeffs have to be in array format from left to right.

Reimplemented from Nektar::SpatialDomains::Geometry.

Definition at line 527 of file QuadGeom.cpp.

References ASSERTL0, Nektar::SpatialDomains::ePtsFilled, Nektar::SpatialDomains::Geometry::GetXmap(), Nektar::LibUtilities::Interp2D(), kNedges, Nektar::SpatialDomains::Geometry::m_coeffs, Nektar::SpatialDomains::Geometry::m_coordim, m_curve, m_edges, m_eorient, Nektar::SpatialDomains::Geometry::m_globalID, Nektar::SpatialDomains::Geometry::m_state, Nektar::SpatialDomains::Geometry::m_xmap, and npts.

Referenced by v_GenGeomFactors(), and v_GetLocCoords().

         {
             // check to see if geometry structure is already filled
             if(m_state != ePtsFilled)
             {
                 int i,j,k;
                 int nEdgeCoeffs;
 
                 if (m_curve)
                 {
                     int npts = m_curve->m_points.size();
                     int nEdgePts = (int)sqrt(static_cast<NekDouble>(npts));
                     Array<OneD, NekDouble> tmp(npts);
                     Array<OneD, NekDouble> tmp2(m_xmap->GetTotPoints());
                     LibUtilities::PointsKey curveKey(
                         nEdgePts, m_curve->m_ptype);
 
                     // Sanity checks:
                     // - Curved faces should have square number of points;
                     // - Each edge should have sqrt(npts) points.
                     ASSERTL0(nEdgePts * nEdgePts == npts,
                              "NUMPOINTS should be a square number in"
                              " quadrilteral "
                              + boost::lexical_cast<string>(m_globalID));
 
                     for (i = 0; i < kNedges; ++i)
                     {
                         ASSERTL0(
                             m_edges[i]->GetXmap()->GetNcoeffs() == nEdgePts,
                             "Number of edge points does not correspond to "
                             "number of face points in quadrilateral "
                             + boost::lexical_cast<string>(m_globalID));
                     }
 
                     for (i = 0; i < m_coordim; ++i)
                     {
                         for (j = 0; j < npts; ++j)
                         {
                             tmp[j] = (m_curve->m_points[j]->GetPtr())[i];
                         }
 
                         // Interpolate m_curve points to GLL points
                         LibUtilities::Interp2D(
                             curveKey, curveKey, tmp,
                             m_xmap->GetBasis(0)->GetPointsKey(),
                             m_xmap->GetBasis(1)->GetPointsKey(),
                             tmp2);
 
                         // Forwards transform to get coefficient space.
                         m_xmap->FwdTrans(tmp2, m_coeffs[i]);
                     }
                 }
 
                 // Now fill in edges.
                 Array<OneD, unsigned int> mapArray;
                 Array<OneD, int>          signArray;
 
                 for(i = 0; i < kNedges; i++)
                 {
                     m_edges[i]->FillGeom();
                     m_xmap->GetEdgeToElementMap(i,m_eorient[i],
                                                 mapArray,signArray);
 
                     nEdgeCoeffs = m_edges[i]->GetXmap()->GetNcoeffs();
 
                     for(j = 0; j < m_coordim; j++)
                     {
                         for(k = 0; k < nEdgeCoeffs; k++)
                         {
                             m_coeffs[j][mapArray[k]]
                                 = signArray[k]*(m_edges[i]->GetCoeffs(j))[k];
                         }
                     }
                 }
 
                 m_state = ePtsFilled;
             }
         }

void Nektar::SpatialDomains::QuadGeom::v_GenGeomFactors ( )

protectedvirtual

Set up GeoFac for this geometry using Coord quadrature distribution

Implements Nektar::SpatialDomains::Geometry.

Definition at line 445 of file QuadGeom.cpp.

References Nektar::MemoryManager< DataType >::AllocateSharedPtr(), Nektar::SpatialDomains::eDeformed, Nektar::SpatialDomains::ePtsFilled, Nektar::SpatialDomains::eRegular, Nektar::NekConstants::kNekZeroTol, Nektar::SpatialDomains::Geometry::m_coeffs, Nektar::SpatialDomains::Geometry::m_coordim, Nektar::SpatialDomains::Geometry::m_geomFactors, Nektar::SpatialDomains::Geometry::m_geomFactorsState, m_verts, Nektar::SpatialDomains::Geometry::m_xmap, and v_FillGeom().

         {
             if (m_geomFactorsState != ePtsFilled)
             {
                 int i;
                 GeomType Gtype = eRegular;
 
                 QuadGeom::v_FillGeom();
 
                 // We will first check whether we have a regular or deformed
                 // geometry. We will define regular as those cases where the
                 // Jacobian and the metric terms of the derivative are constants
                 // (i.e. not coordinate dependent)
 
                 // Check to see if expansions are linear
                 // If not linear => deformed geometry
                 for(i = 0; i < m_coordim; ++i)
                 {
                     if((m_xmap->GetBasisNumModes(0) != 2)||
                        (m_xmap->GetBasisNumModes(1) != 2))
                     {
                         Gtype = eDeformed;
                     }
                 }
 
                 // For linear expansions, the mapping from standard to local
                 // element is given by the relation:
                 // x_i = 0.25 * [ ( x_i^A + x_i^B + x_i^C + x_i^D)       +
                 //                (-x_i^A + x_i^B + x_i^C - x_i^D)*xi_1  +
                 //                (-x_i^A - x_i^B + x_i^C + x_i^D)*xi_2  +
                 //                ( x_i^A - x_i^B + x_i^C - x_i^D)*xi_1*xi_2 ]
                 //
                 // The jacobian of the transformation and the metric terms
                 // dxi_i/dx_j, involve only terms of the form dx_i/dxi_j (both
                 // for coordim == 2 or 3). Inspecting the formula above, it can
                 // be appreciated that the derivatives dx_i/dxi_j will be
                 // constant, if the coefficient of the non-linear term is zero.
                 //
                 // That is why for regular geometry, we require
                 //
                 //     x_i^A - x_i^B + x_i^C - x_i^D = 0
                 //
                 // or equivalently
                 //
                 //     x_i^A - x_i^B = x_i^D - x_i^C
                 //
                 // This corresponds to quadrilaterals which are paralellograms.
                 if(Gtype == eRegular)
                 {
                     for(i = 0; i < m_coordim; i++)
                     {
                         if( fabs( (*m_verts[0])(i) - (*m_verts[1])(i) +
                                   (*m_verts[2])(i) - (*m_verts[3])(i) )
                                 > NekConstants::kNekZeroTol )
                         {
                             Gtype = eDeformed;
                             break;
                         }
                     }
                 }
 
                 m_geomFactors = MemoryManager<GeomFactors>::AllocateSharedPtr(
                     Gtype, m_coordim, m_xmap, m_coeffs);
                 m_geomFactorsState = ePtsFilled;
             }
         }

const LibUtilities::BasisSharedPtr Nektar::SpatialDomains::QuadGeom::v_GetBasis ( const int i )

protectedvirtual

Reimplemented from Nektar::SpatialDomains::Geometry.

Definition at line 410 of file QuadGeom.cpp.

References Nektar::SpatialDomains::Geometry::m_xmap.

         {
             return m_xmap->GetBasis(i);
         }

StdRegions::Orientation Nektar::SpatialDomains::QuadGeom::v_GetCartesianEorient ( const int i ) const

protectedvirtual

Reimplemented from Nektar::SpatialDomains::Geometry2D.

Definition at line 726 of file QuadGeom.cpp.

References ASSERTL2, Nektar::StdRegions::eBackwards, Nektar::StdRegions::eForwards, and m_eorient.

         {
             ASSERTL2((i >=0) && (i <= 3),"Edge id must be between 0 and 3");
             if(i < 2)
             {
                 return m_eorient[i];
             }
             else
             {
                 if(m_eorient[i] == StdRegions::eForwards)
                 {
                     return StdRegions::eBackwards;
                 }
                 else
                 {
                     return StdRegions::eForwards;
                 }
             }
         }

NekDouble Nektar::SpatialDomains::QuadGeom::v_GetCoord	(	const int	i,
		const Array< OneD, const NekDouble > &	Lcoord
	)

protectedvirtual

Reimplemented from Nektar::SpatialDomains::Geometry.

Definition at line 436 of file QuadGeom.cpp.

References GetCoord().

     {
             return GetCoord(i,Lcoord);
     }

int Nektar::SpatialDomains::QuadGeom::v_GetCoordim ( void ) const

protectedvirtual

Reimplemented from Nektar::SpatialDomains::Geometry.

Definition at line 401 of file QuadGeom.cpp.

References Nektar::SpatialDomains::Geometry::m_coordim.

         {
             return m_coordim;
         }

const Geometry1DSharedPtr Nektar::SpatialDomains::QuadGeom::v_GetEdge ( int i ) const

protectedvirtual

Reimplemented from Nektar::SpatialDomains::Geometry2D.

Definition at line 706 of file QuadGeom.cpp.

References ASSERTL2, and m_edges.

         {
             ASSERTL2((i >=0) && (i <= 3),"Edge id must be between 0 and 3");
             return m_edges[i];
         }

const LibUtilities::BasisSharedPtr Nektar::SpatialDomains::QuadGeom::v_GetEdgeBasis ( const int i )

protectedvirtual

Reimplemented from Nektar::SpatialDomains::Geometry2D.

Definition at line 419 of file QuadGeom.cpp.

References ASSERTL1, and Nektar::SpatialDomains::Geometry::m_xmap.

         {
             ASSERTL1(i <= 3,"edge is out of range");
 
             if (i == 0 || i == 2)
             {
                 return m_xmap->GetBasis(0);
             }
             else
             {
                 return m_xmap->GetBasis(1);
             }
         }

int Nektar::SpatialDomains::QuadGeom::v_GetEid ( int i ) const

protectedvirtual

Reimplemented from Nektar::SpatialDomains::Geometry2D.

Definition at line 676 of file QuadGeom.cpp.

References ASSERTL2, and m_edges.

         {
             ASSERTL2((i >=0) && (i <= 3),"Edge id must be between 0 and 3");
             return m_edges[i]->GetEid();
         }

StdRegions::Orientation Nektar::SpatialDomains::QuadGeom::v_GetEorient ( const int i ) const

protectedvirtual

Reimplemented from Nektar::SpatialDomains::Geometry2D.

Definition at line 716 of file QuadGeom.cpp.

References ASSERTL2, and m_eorient.

         {
             ASSERTL2((i >=0) && (i <= 3),"Edge id must be between 0 and 3");
             return m_eorient[i];
         }

int Nektar::SpatialDomains::QuadGeom::v_GetFid ( ) const

protectedvirtual

Reimplemented from Nektar::SpatialDomains::Geometry2D.

Definition at line 392 of file QuadGeom.cpp.

References m_fid.

         {
             return m_fid;
         }

NekDouble Nektar::SpatialDomains::QuadGeom::v_GetLocCoords	(	const Array< OneD, const NekDouble > &	coords,
		Array< OneD, NekDouble > &	Lcoords
	)

protectedvirtual

Reimplemented from Nektar::SpatialDomains::Geometry.

Definition at line 609 of file QuadGeom.cpp.

         {
             NekDouble resid = 0.0;
             if(GetMetricInfo()->GetGtype() == eRegular)
             {
                 NekDouble coords2 = (m_coordim == 3)? coords[2]: 0.0;
                 PointGeom dv1, dv2, norm, orth1, orth2;
                 PointGeom xin(m_coordim,0,coords[0],coords[1],coords2);
 
                 // Calculate edge vectors from 0-1 and 0-3 edges.
                 dv1.Sub(*m_verts[1],*m_verts[0]);
                 dv2.Sub(*m_verts[3],*m_verts[0]);
 
                 // Obtain normal to plane in which dv1 and dv2 lie
                 norm.Mult(dv1,dv2);
 
                 // Obtain vector which are normal to dv1 and dv2.
                 orth1.Mult(norm,dv1);
                 orth2.Mult(norm,dv2);
 
                 // Start with vector of desired points minus vertex_0
                 xin -= *m_verts[0];
 
                 // Calculate length using L/|dv1| = (x-v0).n1/(dv1.n1) for coordiante 1
                 // Then rescale to [-1,1].
                 Lcoords[0] = xin.dot(orth2)/dv1.dot(orth2);
                 Lcoords[0] = 2*Lcoords[0]-1;
                 Lcoords[1] = xin.dot(orth1)/dv2.dot(orth1);
                 Lcoords[1] = 2*Lcoords[1]-1;
             }
             else
             {
                 QuadGeom::v_FillGeom();
 
                 // Determine nearest point of coords  to values in m_xmap
                 int npts = m_xmap->GetTotPoints();
                 Array<OneD, NekDouble> ptsx(npts), ptsy(npts);
                 Array<OneD, NekDouble> tmpx(npts), tmpy(npts);
 
                 m_xmap->BwdTrans(m_coeffs[0], ptsx);
                 m_xmap->BwdTrans(m_coeffs[1], ptsy);
 
                 const Array<OneD, const NekDouble> za = m_xmap->GetPoints(0);
                 const Array<OneD, const NekDouble> zb = m_xmap->GetPoints(1);
 
                 //guess the first local coords based on nearest point
                 Vmath::Sadd(npts, -coords[0], ptsx,1,tmpx,1);
                 Vmath::Sadd(npts, -coords[1], ptsy,1,tmpy,1);
                 Vmath::Vmul (npts, tmpx,1,tmpx,1,tmpx,1);
                 Vmath::Vvtvp(npts, tmpy,1,tmpy,1,tmpx,1,tmpx,1);
 
                 int min_i = Vmath::Imin(npts,tmpx,1);
 
                 Lcoords[0] = za[min_i%za.num_elements()];
                 Lcoords[1] = zb[min_i/za.num_elements()];
 
                 // Perform newton iteration to find local coordinates
                 NewtonIterationForLocCoord(coords, ptsx, ptsy, Lcoords,resid);
             }
             return resid;
         }

int Nektar::SpatialDomains::QuadGeom::v_GetNumEdges ( ) const

protectedvirtual

Reimplemented from Nektar::SpatialDomains::Geometry.

Definition at line 782 of file QuadGeom.cpp.

References kNedges.

         {
             return kNedges;
         }

int Nektar::SpatialDomains::QuadGeom::v_GetNumVerts ( ) const

protectedvirtual

Reimplemented from Nektar::SpatialDomains::Geometry.

Definition at line 773 of file QuadGeom.cpp.

References kNverts.

         {
             return kNverts;
         }

PointGeomSharedPtr Nektar::SpatialDomains::QuadGeom::v_GetVertex ( int i ) const

protectedvirtual

Reimplemented from Nektar::SpatialDomains::Geometry2D.

Definition at line 696 of file QuadGeom.cpp.

References ASSERTL2, and m_verts.

         {
             ASSERTL2((i >=0) && (i <= 3),"Vertex id must be between 0 and 3");
             return m_verts[i];
         }

int Nektar::SpatialDomains::QuadGeom::v_GetVid ( int i ) const

protectedvirtual

Reimplemented from Nektar::SpatialDomains::Geometry.

Definition at line 686 of file QuadGeom.cpp.

References ASSERTL2, and m_verts.

         {
             ASSERTL2((i >=0) && (i <= 3),"Verted id must be between 0 and 3");
             return m_verts[i]->GetVid();
         }

bool Nektar::SpatialDomains::QuadGeom::v_IsElmtConnected	(	int	gvo_id,
		int	locid
	)		const

protectedvirtual

Reimplemented from Nektar::SpatialDomains::Geometry.

Definition at line 372 of file QuadGeom.cpp.

References Nektar::StdRegions::find(), and m_elmtMap.

         {
             std::list<CompToElmt>::const_iterator def;
             CompToElmt ee(gvo_id,locid);
 
             def = find(m_elmtMap.begin(),m_elmtMap.end(),ee);
 
             // Found the element connectivity object in the list
             if(def != m_elmtMap.end())
             {
                 return(true);
             }
 
             return(false);
         }

int Nektar::SpatialDomains::QuadGeom::v_NumElmtConnected ( ) const

protectedvirtual

Reimplemented from Nektar::SpatialDomains::Geometry.

Definition at line 363 of file QuadGeom.cpp.

References m_elmtMap.

         {
             return int(m_elmtMap.size());
         }

void Nektar::SpatialDomains::QuadGeom::v_Reset	(	CurveMap &	curvedEdges,
		CurveMap &	curvedFaces
	)

protectedvirtual

Reset this geometry object: unset the current state and remove allocated GeomFactors.

Reimplemented from Nektar::SpatialDomains::Geometry.

Definition at line 823 of file QuadGeom.cpp.

References Nektar::iterator, m_curve, m_edges, Nektar::SpatialDomains::Geometry::m_globalID, Nektar::SpatialDomains::Geometry::m_xmap, Nektar::SpatialDomains::Geometry::SetUpCoeffs(), SetUpXmap(), and Nektar::SpatialDomains::Geometry::v_Reset().

         {
             Geometry::v_Reset(curvedEdges, curvedFaces);
             CurveMap::iterator it = curvedFaces.find(m_globalID);
 
             if (it != curvedFaces.end())
             {
                 m_curve = it->second;
             }
 
             for (int i = 0; i < 4; ++i)
             {
                 m_edges[i]->Reset(curvedEdges, curvedFaces);
             }
 
             SetUpXmap();
             SetUpCoeffs(m_xmap->GetNcoeffs());
         }

void Nektar::SpatialDomains::QuadGeom::v_SetOwnData ( )

protectedvirtual

Reimplemented from Nektar::SpatialDomains::Geometry.

Definition at line 516 of file QuadGeom.cpp.

References m_ownData.

         {
             m_ownData = true;
         }

int Nektar::SpatialDomains::QuadGeom::v_WhichEdge ( SegGeomSharedPtr edge )

protectedvirtual

Return the edge number of the given edge.

Reimplemented from Nektar::SpatialDomains::Geometry2D.

Definition at line 750 of file QuadGeom.cpp.

References Nektar::iterator, and m_edges.

         {
             int returnval = -1;
 
             SegGeomVector::iterator edgeIter;
             int i;
 
             for (i=0,edgeIter = m_edges.begin(); edgeIter != m_edges.end(); ++edgeIter,++i)
             {
                 if (*edgeIter == edge)
                 {
                     returnval = i;
                     break;
                 }
             }
 
             return returnval;
         }