VoxelSurface Class Reference

#include <VoxelSurface.h>

Classes
struct	BSphere
class	Filter

Public Member Functions
	VoxelSurface (void)
	VoxelSurface (float dx, int *N, float *min)
	VoxelSurface (const char *path)
	~VoxelSurface (void)
void	Save (const char *path)
void	SetOccupancy (void)
void	UpdateBdpoint (void)
void	MakeSurface (void)
void	DistanceTransform (void)
void	DistanceUpdateForward (int i, int j, int k)
void	DistanceUpdateBackward (int i, int j, int k)
void	MakeNormal (int mode, int r, double alpha0)
bool	AngularCriterion (vec3 n1, vec3 n2, double alpha)
ivec3	SymmetricPoint (vec3 normal, ivec3 p, ivec3 q)
void	MakePrewittFilters (bool show)
	compute gradient using 3D Prewitt mask More...
void	ComputeGradientMap (int r, unsigned char *gMap)
unsigned char	ComputeGradient (int i, int j, int k)
bool	IsSurface (int i, int j, int k)
unsigned char	IsInside (float *X)
point	Index2Point (int index)

Public Attributes
unsigned char *	m_occupancy
	voxel occupancy array More...
list< int >	m_bdpoint
	boundary point index list More...
vector< int >	m_ivoxel
	surface voxel index vector More...
vector< point >	m_voxel
	surface voxel point vector More...
vector< vec3 >	m_normal
	surface voxel normal vector More...
vector< vec3 >	m_color
	surface voxel color vector More...
float	m_dx
	delta_x; variables for grid structure More...
int	m_N [3]
	resolution array; variables for grid structure More...
float	m_min [3]
	min array; variables for grid structure More...
float	m_max [3]
	max array; variables for grid structure More...
BSphere	bsphere
	bounding structures More...
int *	m_distance
	distance array More...
vector< point >	m_direction
	Prewitt direction. More...
vector< Filter >	m_Prewitt
	Prewitt filters. More...

Constructor & Destructor Documentation

VoxelSurface() [1/3]

VoxelSurface::VoxelSurface

(

void

)

VoxelSurface() [2/3]

VoxelSurface::VoxelSurface	(	float	dx,
		int *	N,
		float *	min
	)

VoxelSurface() [3/3]

VoxelSurface::VoxelSurface

(

const char *

path

)

~VoxelSurface()

VoxelSurface::~VoxelSurface

(

void

)

Member Function Documentation

AngularCriterion()

bool VoxelSurface::AngularCriterion	(	vec3	n1,
		vec3	n2,
		double	alpha
	)

ComputeGradient()

unsigned char VoxelSurface::ComputeGradient	(	int	i,
		int	j,
		int	k
	)

ComputeGradientMap()

void VoxelSurface::ComputeGradientMap	(	int	r,
		unsigned char *	gMap
	)

DistanceTransform()

void VoxelSurface::DistanceTransform

(

void

)

two pass distance transform using first-neighbor Chamfer distance (3-4-5)
refer G. Borgefors, "Distance transformations in arbitrary dimensions," CVGIP 1984.

DistanceUpdateBackward()

void VoxelSurface::DistanceUpdateBackward ( int  i, int  j, int  k  )

inline

DistanceUpdateForward()

void VoxelSurface::DistanceUpdateForward ( int  i, int  j, int  k  )

inline

Index2Point()

point VoxelSurface::Index2Point

(

int

index

)

IsInside()

unsigned char VoxelSurface::IsInside

(

float *

X

)

IsSurface()

bool VoxelSurface::IsSurface	(	int	i,
		int	j,
		int	k
	)

MakeNormal()

void VoxelSurface::MakeNormal	(	int	mode,
		int	r,
		double	alpha0
	)

normal estimation by adaptive distance gradient filtering (ADGF)
refer F. Flin et al., "Adaptive estimation of normals and surface area for discrete \n 3D objects: Application to snow binary data from X-ray tomography," IP 2005.

MakePrewittFilters()

void VoxelSurface::MakePrewittFilters

(

bool

show

)

compute gradient using 3D Prewitt mask

MakeSurface()

void VoxelSurface::MakeSurface

(

void

)

Save()

void VoxelSurface::Save

(

const char *

path

)

SetOccupancy()

void VoxelSurface::SetOccupancy

(

void

)

SymmetricPoint()

ivec3 VoxelSurface::SymmetricPoint	(	vec3	normal,
		ivec3	p,
		ivec3	q
	)

UpdateBdpoint()

void VoxelSurface::UpdateBdpoint

(

void

)

Member Data Documentation

bsphere

BSphere VoxelSurface::bsphere

bounding structures

m_bdpoint

list<int> VoxelSurface::m_bdpoint

boundary point index list

m_color

vector<vec3> VoxelSurface::m_color

surface voxel color vector

m_direction

vector<point> VoxelSurface::m_direction

Prewitt direction.

m_distance

int* VoxelSurface::m_distance

distance array

m_dx

float VoxelSurface::m_dx

delta_x; variables for grid structure

m_ivoxel

vector<int> VoxelSurface::m_ivoxel

surface voxel index vector

m_max

float VoxelSurface::m_max[3]

max array; variables for grid structure

m_min

float VoxelSurface::m_min[3]

min array; variables for grid structure

m_N

int VoxelSurface::m_N[3]

resolution array; variables for grid structure

m_normal

vector<vec3> VoxelSurface::m_normal

surface voxel normal vector

m_occupancy

unsigned char* VoxelSurface::m_occupancy

voxel occupancy array

m_Prewitt

vector<Filter> VoxelSurface::m_Prewitt

Prewitt filters.

m_voxel

vector<point> VoxelSurface::m_voxel

surface voxel point vector

---

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

• M:/drive/Etri_Code/DOXYGEN/ETRI CODE/ETRI_3rd_Year_SurfelCut/Src/VoxelSurface.h
• M:/drive/Etri_Code/DOXYGEN/ETRI CODE/ETRI_3rd_Year_SurfelCut/Src/VoxelSurface.cpp