CrvEnt Class Reference

base class for curved mesh entity More...

#include <CrvEnt.h>

Inheritance diagram for CrvEnt:

Public Member Functions
	CrvEnt (pMeshEnt in_mesh_ent)
	ctor More...
	CrvEnt (VtxPtrVec in_vert_vec)
	ctor More...
virtual	~CrvEnt ()
	dtor
void	get_xi_by_eta (Point3d in_eta, Point3d &out_xi)
	evaluate barycentric coordinates given the standard coordinates More...
void	get_eta_by_ceta (Point3d in_ceta, Point3d &out_eta)
	evaluate standard coordinates given the collapsed/tensor coordinates More...
void	get_xi_by_ceta (Point3d in_ceta, Point3d &out_xi)
	evaluate barycentric coordinates given the collapsed/tensor coordinates More...
void	eval_by_xi (Point3d in, Point3d &out)
	evaluate xyz by barycentric coordinates More...
void	eval_by_eta (Point3d in, Point3d &out)
	evaluate xyz by standard cartesian coordinates More...
void	eval_by_coll_eta (Point3d in, Point3d &out)
	evaluate xyz by collapsed/tensor coordinates More...
void	diff_by_xi (Point3d in, Mat3x3 &out)
	evaluate dxyz/dxi, return all derivs in a matrix form More...
void	diff_by_xi (Point3d in, int j, Point3d &out)
	evaluate dxyz/dxi_j, return derivs in one direction More...
void	diff_by_eta (Point3d in, Mat3x3 &out)
	evaluate derivatives w.r.t. standard cartesian coordinates More...
void	diff_by_eta (Point3d in, int j, Point3d &out)
	evaluate derivatives w.r.t. standard cartesian coordinates in one direction More...
void	set_id (int i)
	sets entity id
int	get_id ()
	gets entity id
int	get_exp_dim ()
	return dimension in xi or eta
int	get_coord_dim ()
	return coordinate dimension in xyz
pMeshEnt	get_vertex (int i)
	return the ith bounding vertex of the mesh entity More...
int	ent_type ()
	return the topological entity type. 0 – vertex, 1 – edge, 2 – face, 3 – region
int	data_size ()
	return the number of doubles associated with the current mesh entity
std::string	tag_name ()
	return the name string of the data
int	save_nodal_data_to_mesh (double *in_data)
	save the data to the underlying mesh database
int	load_nodal_data_from_mesh (double **out_data)
	fetch data from mesh database
bool	has_data ()
	return whether the entity has high-order shape data
bool	edge_on_model_bdry (pMeshEnt vtx0, pMeshEnt vtx1)
	return whether the mesh edge is classified on model edge or face
bool	face_on_model_bdry (pMeshEnt vtx0, pMeshEnt vtx1, pMeshEnt vtx2)
	return whether the mesh face is classified on model face

Protected Member Functions
virtual void	v_eval_by_xi (Point3d in, Point3d &out)=0
virtual void	v_eval_by_eta (Point3d in, Point3d &out)=0
virtual void	v_eval_by_coll_eta (Point3d in, Point3d &out)=0
virtual void	v_diff_by_xi (Point3d in, Mat3x3 &out)=0
virtual void	v_diff_by_xi (Point3d in, int j, Point3d &out)=0
virtual void	v_diff_by_eta (Point3d in, Mat3x3 &out)=0
virtual void	v_diff_by_eta (Point3d in, int j, Point3d &out)=0
virtual int	v_ent_type () const =0
virtual int	v_data_size () const =0
virtual std::string	v_tag_name () const =0
virtual int	v_get_exp_dim ()=0
virtual int	v_get_coord_dim ()
	all curved entities are assumed to be embeded in 3D space
pMeshEnt	get_mesh_ent ()
	get the mesh entity
void	set_mesh_ent (pMeshEnt in_ent)
	set the mesh entity

Protected Attributes
VtxPtrVec	m_vert_vec
	ordered set of mesh vertices
pMeshEnt	m_mesh_ent
	topological mesh entity
std::vector< Point3d >	m_ctrl_pt_vec
	container used to store the control point values

Private Attributes
int	m_id
	the ID of the curved mesh entity

Detailed Description

base class for curved mesh entity

Constructor & Destructor Documentation

CrvEnt::CrvEnt

(

pMeshEnt

in_mesh_ent

)

ctor

Parameters

[in]

in_mesh_ent

The input mesh entity

CrvEnt::CrvEnt

(

VtxPtrVec

in_vert_vec

)

ctor

Parameters

[in]

in_vert_vec

The input mesh vertices (ordered)

Member Function Documentation

void CrvEnt::diff_by_eta	(	Point3d	in,
		Mat3x3 &	out
	)

evaluate derivatives w.r.t. standard cartesian coordinates

Parameters

[in]	in	The input barycentric coordinates in parametric space
[out]	out	The output Jacobian matrix (first derivatives) w.r.t. the standard Cartesian coord. sys.

void CrvEnt::diff_by_eta	(	Point3d	in,
		int	j,
		Point3d &	out
	)

evaluate derivatives w.r.t. standard cartesian coordinates in one direction

Parameters

[in]	in	The input standard cartesian coordinates in parametric space
[in]	j	The direction of the derivatives
[out]	out	The derivatives vector in the j direction

void CrvEnt::diff_by_xi	(	Point3d	in,
		Mat3x3 &	out
	)

evaluate dxyz/dxi, return all derivs in a matrix form

Parameters

[in]	in	The input barycentric coordinates in parametric space
[out]	out	The output Jacobian matrix (first derivatives) w.r.t. the barycentric coords

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void CrvEnt::diff_by_xi	(	Point3d	in,
		int	j,
		Point3d &	out
	)

evaluate dxyz/dxi_j, return derivs in one direction

Parameters

[in]	in	The input barycentric coordinates in parametric space
[in]	j	The direction of the derivatives
[out]	out	The derivatives vector in the j direction

void CrvEnt::eval_by_coll_eta	(	Point3d	in,
		Point3d &	out
	)

evaluate xyz by collapsed/tensor coordinates

Parameters

[in]	in	The input collapsed/tensor coordinates in parametric space
[out]	out	The output Cartesian coordinates in the physical spac e

void CrvEnt::eval_by_eta	(	Point3d	in,
		Point3d &	out
	)

evaluate xyz by standard cartesian coordinates

Parameters

[in]	in	The input standard cartesian coordinates in parametric space
[out]	out	The output Cartesian coordinates in the physical spac e

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void CrvEnt::eval_by_xi	(	Point3d	in,
		Point3d &	out
	)

evaluate xyz by barycentric coordinates

Parameters

[in]	in	The input barycentric coordinates in parametric space
[out]	out	The output Cartesian coordinates in the physical space

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void CrvEnt::get_eta_by_ceta	(	Point3d	in_ceta,
		Point3d &	out_eta
	)

evaluate standard coordinates given the collapsed/tensor coordinates

Parameters

[in]	in_ceta	The input coords in terms of collapsed/tensor coord sys.
[out]	out_eta	The output coords in terms of standard Cartesian

pMeshEnt CrvEnt::get_vertex

(

int

i

)

return the ith bounding vertex of the mesh entity

Parameters

[in]

i

The index of the selected vertex, starting from 0

void CrvEnt::get_xi_by_ceta	(	Point3d	in_ceta,
		Point3d &	out_xi
	)

evaluate barycentric coordinates given the collapsed/tensor coordinates

Parameters

[in]	in_ceta	The input coords in terms of collapsed/tensor coord sys.
[out]	out_xi	The output coords – barycentric coordinates

void CrvEnt::get_xi_by_eta	(	Point3d	in_eta,
		Point3d &	out_xi
	)

evaluate barycentric coordinates given the standard coordinates

Parameters

[in]	in_eta	The input coords – standard Cartesian system
[out]	out_xi	The output coords – barycentric coordinates

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The documentation for this class was generated from the following files:

• crvMeshAdapt/CrvEnt.h
• crvMeshAdapt/CrvEnt.cc