BEM surface provides geometry information. More...

#include <mne_bem_surface.h>

Public Types
typedef QSharedPointer< MNEBemSurface >	SPtr
typedef QSharedPointer< const MNEBemSurface >	ConstSPtr
Public Types inherited from MNELIB::MNESurface
typedef std::shared_ptr< MNESurface >	SPtr
typedef std::shared_ptr< const MNESurface >	ConstSPtr
Public Types inherited from MNELIB::MNESurfaceOrVolume
typedef QSharedPointer< MNESurfaceOrVolume >	SPtr
typedef QSharedPointer< const MNESurfaceOrVolume >	ConstSPtr
typedef Eigen::Matrix< float, Eigen::Dynamic, 3, Eigen::RowMajor >	PointsT
typedef Eigen::Matrix< float, Eigen::Dynamic, 3, Eigen::RowMajor >	NormalsT
typedef Eigen::Matrix< int, Eigen::Dynamic, 3, Eigen::RowMajor >	TrianglesT

Public Member Functions
	MNEBemSurface ()
	MNEBemSurface (const MNEBemSurface &p_MNEBemSurface)
	~MNEBemSurface ()
void	clear ()
bool	addTriangleData ()
bool	add_geometry_info ()
bool	addVertexNormals ()
void	writeToStream (FIFFLIB::FiffStream *p_pStream)
Public Member Functions inherited from MNELIB::MNESurface
	MNESurface ()
	~MNESurface ()
double	sum_solids (const Eigen::Vector3f &from) const
void	triangle_coords (const Eigen::Vector3f &r, int tri, float &x, float &y, float &z) const
int	nearest_triangle_point (const Eigen::Vector3f &r, const MNEProjData *user, int tri, float &x, float &y, float &z) const
int	nearest_triangle_point (const Eigen::Vector3f &r, int tri, float &x, float &y, float &z) const
Eigen::Vector3f	project_to_triangle (int tri, float p, float q) const
Eigen::Vector3f	project_to_triangle (int best, const Eigen::Vector3f &r) const
int	project_to_surface (const MNEProjData *proj_data, const Eigen::Vector3f &r, float &distp) const
void	find_closest_on_surface_approx (const PointsT &r, int np, Eigen::VectorXi &nearest_tri, Eigen::VectorXf &dist, int nstep) const
void	decide_search_restriction (MNEProjData &p, int approx_best, int nstep, const Eigen::Vector3f &r) const
void	activate_neighbors (int start, Eigen::VectorXi &act, int nstep) const
Public Member Functions inherited from MNELIB::MNESurfaceOrVolume
	MNESurfaceOrVolume ()
	Constructs the MNE Surface or Volume.
virtual	~MNESurfaceOrVolume ()
	Destroys the MNE Surface or Volume description.
	MNESurfaceOrVolume (const MNESurfaceOrVolume &)=default
MNESurfaceOrVolume &	operator= (const MNESurfaceOrVolume &)=default
	MNESurfaceOrVolume (MNESurfaceOrVolume &&)=default
MNESurfaceOrVolume &	operator= (MNESurfaceOrVolume &&)=default
void	add_uniform_curv ()
void	add_triangle_data ()
void	compute_surface_cm ()
void	calculate_vertex_distances ()
int	add_vertex_normals ()
int	add_geometry_info (int do_normals, int check_too_many_neighbors)
int	add_geometry_info (int do_normals)
int	add_geometry_info2 (int do_normals)
Eigen::VectorXi	nearestVertIdx () const
Eigen::VectorXd	nearestDistVec () const
void	setNearestData (const Eigen::VectorXi &nearestIdx, const Eigen::VectorXd &nearestDist)

Static Public Member Functions
static QString	id_name (int id)
Static Public Member Functions inherited from MNELIB::MNESurface
static MNESurface *	read_bem_surface (const QString &name, int which, int add_geometry, float *sigmap)
static MNESurface *	read_bem_surface2 (const QString &name, int which, int add_geometry, float *sigmap)
static MNESurface *	read_bem_surface (const QString &name, int which, int add_geometry, float *sigmap, bool check_too_many_neighbors)
Static Public Member Functions inherited from MNELIB::MNESurfaceOrVolume
static double	solid_angle (const Eigen::Vector3f &from, const MNELIB::MNETriangle &tri)
static void	compute_cm (const PointsT &rr, int np, float(&cm)[3])

Public Attributes
Eigen::MatrixX3d	tri_cent
Eigen::MatrixX3d	tri_nn
Eigen::VectorXd	tri_area
Public Attributes inherited from MNELIB::MNESurfaceOrVolume
int	type
QString	subject
int	id
int	coord_frame
std::optional< MNEVolGeom >	vol_geom
std::optional< MNEMghTagGroup >	mgh_tags
int	np
PointsT	rr
NormalsT	nn
float	cm [3]
Eigen::VectorXi	inuse
Eigen::VectorXi	vertno
int	nuse
std::vector< Eigen::VectorXi >	neighbor_vert
Eigen::VectorXi	nneighbor_vert
std::vector< Eigen::VectorXf >	vert_dist
float	sigma
int	ntri
std::vector< MNETriangle >	tris
TrianglesT	itris
float	tot_area
int	nuse_tri
std::vector< MNETriangle >	use_tris
TrianglesT	use_itris
std::vector< Eigen::VectorXi >	neighbor_tri
Eigen::VectorXi	nneighbor_tri
std::vector< MNENearest >	nearest
std::vector< std::optional< MNEPatchInfo > >	patches
FIFFLIB::FiffSparseMatrix	dist
float	dist_limit
Eigen::VectorXf	curv
Eigen::VectorXf	val
std::optional< FIFFLIB::FiffCoordTrans >	voxel_surf_RAS_t
int	vol_dims [3]
float	voxel_size [3]
std::optional< FIFFLIB::FiffSparseMatrix >	interpolator
QString	MRI_volume
std::optional< FIFFLIB::FiffCoordTrans >	MRI_voxel_surf_RAS_t
std::optional< FIFFLIB::FiffCoordTrans >	MRI_surf_RAS_RAS_t
int	MRI_vol_dims [3]

Detailed Description

BEM surface provides geometry information.

BEM surface geometry information.

Inherits core geometry (vertices, normals, triangles, neighbors) from MNESurface/MNESurfaceOrVolume. Adds BEM-specific computed triangle metadata (centers, normals, areas) and I/O.

Definition at line 85 of file mne_bem_surface.h.

Inheritance diagram for MNELIB::MNEBemSurface:

Member Typedef Documentation

◆ ConstSPtr

typedef QSharedPointer<const MNEBemSurface> MNELIB::MNEBemSurface::ConstSPtr

Const shared pointer type for MNEBemSurface.

Definition at line 89 of file mne_bem_surface.h.

◆ SPtr

typedef QSharedPointer<MNEBemSurface> MNELIB::MNEBemSurface::SPtr

Shared pointer type for MNEBemSurface.

Definition at line 88 of file mne_bem_surface.h.

Constructor & Destructor Documentation

◆ MNEBemSurface() [1/2]

MNEBemSurface::MNEBemSurface ( )

Constructors the bem surface.

Definition at line 56 of file mne_bem_surface.cpp.

◆ MNEBemSurface() [2/2]

MNEBemSurface::MNEBemSurface ( const MNEBemSurface & p_MNEBemSurface )

Copy constructor.

Parameters

[in] p_MNEBemSurface BEM surface which should be copied.

Definition at line 71 of file mne_bem_surface.cpp.

◆ ~MNEBemSurface()

MNEBemSurface::~MNEBemSurface ( )

Destroys the BEM surface.

Definition at line 91 of file mne_bem_surface.cpp.

Member Function Documentation

◆ add_geometry_info()

bool MNEBemSurface::add_geometry_info ( )

Add vertex normals and neighbourhood information

Returns: true if succeeded, false otherwise.

Definition at line 179 of file mne_bem_surface.cpp.

◆ addTriangleData()

bool MNEBemSurface::addTriangleData ( )

Definition of the mne_add_triangle_data function in mne_add_geometry_info.c

Completes triangulation info

Returns: true if succeeded, false otherwise.

Definition at line 116 of file mne_bem_surface.cpp.

◆ addVertexNormals()

bool MNEBemSurface::addVertexNormals ( )

Definition of the addVertexNormals function in mne_add_geometry_info.c

Completes triangulation info

Returns: true if succeeded, false otherwise.

Definition at line 235 of file mne_bem_surface.cpp.

◆ clear()

void MNEBemSurface::clear ( )

Initializes the BEM surface.

Definition at line 97 of file mne_bem_surface.cpp.

◆ id_name()

QString MNEBemSurface::id_name ( int id )

static

Map bem id integers to human-readable names

Parameters

[in] frame The bem id integer.

Returns: Human readable form of the bem id.

Definition at line 288 of file mne_bem_surface.cpp.

◆ writeToStream()

void MNEBemSurface::writeToStream ( FIFFLIB::FiffStream * p_pStream )

Writes the bem surface to a FIFF stream

Parameters

[in] p_pStream The stream to write to.

Definition at line 270 of file mne_bem_surface.cpp.

Member Data Documentation

◆ tri_area

Eigen::VectorXd MNELIB::MNEBemSurface::tri_area

Triangle areas.

Definition at line 166 of file mne_bem_surface.h.

◆ tri_cent

Eigen::MatrixX3d MNELIB::MNEBemSurface::tri_cent

Triangle centers.

Definition at line 164 of file mne_bem_surface.h.

◆ tri_nn

Eigen::MatrixX3d MNELIB::MNEBemSurface::tri_nn

Triangle normals.

Definition at line 165 of file mne_bem_surface.h.

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

src/libraries/mne/mne_bem_surface.h
src/libraries/mne/mne_bem_surface.cpp

Public Types

Public Member Functions

Static Public Member Functions

Public Attributes

Detailed Description

Member Typedef Documentation

◆ ConstSPtr

◆ SPtr

Constructor & Destructor Documentation

◆ MNEBemSurface() [1/2]

◆ MNEBemSurface() [2/2]

◆ ~MNEBemSurface()

Member Function Documentation

◆ add_geometry_info()

◆ addTriangleData()

◆ addVertexNormals()

◆ clear()

◆ id_name()

◆ writeToStream()

Member Data Documentation

◆ tri_area

◆ tri_cent

◆ tri_nn