A volume representation used by the standard Marching Cubes implementation. More...

#include <FastBox.hpp>

Public Member Functions
	FastBox (VertexT &center)
	Constructs a new box at the given center point defined by the used m_voxelsize}.
virtual	~FastBox ()
	Destructor.
void	setVertex (int index, uint value)
	Each cell vertex (0 to 7) as associated with a vertex in the reconstruction grid. This methods assigns the index value} to the index}th cell corner.
void	setNeighbor (int index, FastBox< VertexT, NormalT > *cell)
	Adjacent cells in the grid should use common vertices. This functions assigns the value of corner[index] to the corresponding corner of the give neighbor cell.
uint	getVertex (int index)
	Gets the vertex index of the queried cell corner.
FastBox< VertexT, NormalT > *	getNeighbor (int index)
void	getSurface (BaseMesh< VertexT, NormalT > &mesh, vector< QueryPoint< VertexT > > &query_points, uint &globalIndex)
	Performs a local reconstruction according to the standard Marching Cubes table from Paul Bourke.
Static Public Attributes
static float	m_voxelsize
	The voxelsize of the reconstruction grid.
static uint	INVALID_INDEX
	An index value that is used to reference vertices that are not in the grid.
Private Member Functions
float	calcIntersection (float x1, float x2, float d1, float d2)
int	getIndex (vector< QueryPoint< VertexT > > &query_points)
	Calculated the index for the MC table.
void	getCorners (VertexT corners[], vector< QueryPoint< VertexT > > &query_points)
	Calculates the position of the eight cell corners.
void	getDistances (float distances[], vector< QueryPoint< VertexT > > &query_points)
	Calculates the distance value for the eight cell corners.
void	getIntersections (VertexT corners[], float distance[], VertexT positions[])
	Calculated the 12 possible intersections between the cell and the surface to interpolate.
Private Attributes
VertexT	m_center
	The box center.
uint	m_vertices [8]
	The eight box corners.
uint	m_intersections [12]
	The twelve intersection between box and surface.
FastBox< VertexT, NormalT > *	m_neighbors [27]
	Pointer to all adjacent cells.

Detailed Description

template<typename VertexT, typename NormalT>
class lssr::FastBox< VertexT, NormalT >

A volume representation used by the standard Marching Cubes implementation.

Definition at line 30 of file FastBox.hpp.

Constructor & Destructor Documentation

template<typename VertexT, typename NormalT>

lssr::FastBox< VertexT, NormalT >::FastBox ( VertexT & center )

Constructs a new box at the given center point defined by the used m_voxelsize}.

template<typename VertexT, typename NormalT>

virtual lssr::FastBox< VertexT, NormalT >::~FastBox ( ) [inline, virtual]

Destructor.

Definition at line 43 of file FastBox.hpp.

Member Function Documentation

template<typename VertexT, typename NormalT>

float lssr::FastBox< VertexT, NormalT >::calcIntersection	(	float	x1,
		float	x2,
		float	d1,
		float	d2
	)			`[private]`

template<typename VertexT, typename NormalT>

void lssr::FastBox< VertexT, NormalT >::getCorners	(	VertexT	corners[],
		vector< QueryPoint< VertexT > > &	query_points
	)			`[private]`

Calculates the position of the eight cell corners.

Parameters:

	corners	The cell corners
	query_points	The query points of the grid

template<typename VertexT, typename NormalT>

void lssr::FastBox< VertexT, NormalT >::getDistances	(	float	distances[],
		vector< QueryPoint< VertexT > > &	query_points
	)			`[private]`

Calculates the distance value for the eight cell corners.

Parameters:

	distances	The distance values
	query_points	The query points of the grid

template<typename VertexT, typename NormalT>

int lssr::FastBox< VertexT, NormalT >::getIndex ( vector< QueryPoint< VertexT > > & query_points ) [private]

Calculated the index for the MC table.

template<typename VertexT, typename NormalT>

void lssr::FastBox< VertexT, NormalT >::getIntersections	(	VertexT	corners[],
		float	distance[],
		VertexT	positions[]
	)			`[private]`

Calculated the 12 possible intersections between the cell and the surface to interpolate.

Parameters:

	corners	The eight corners of the current cell
	distance	The corresponding distance value
	positions	The interpolated intersections.

template<typename VertexT, typename NormalT>

FastBox<VertexT, NormalT>* lssr::FastBox< VertexT, NormalT >::getNeighbor ( int index )

template<typename VertexT, typename NormalT>

void lssr::FastBox< VertexT, NormalT >::getSurface	(	BaseMesh< VertexT, NormalT > &	mesh,
		vector< QueryPoint< VertexT > > &	query_points,
		uint &	globalIndex
	)

Performs a local reconstruction according to the standard Marching Cubes table from Paul Bourke.

Parameters:

	mesh	The reconstructed mesh
	query_points	A vector containing the query points of the reconstruction grid
	globalIndex	The index of the newest vertex in the mesh, i.e. a newly generated vertex shout have the index globalIndex + 1.

template<typename VertexT, typename NormalT>

uint lssr::FastBox< VertexT, NormalT >::getVertex ( int index )

Gets the vertex index of the queried cell corner.

Parameters:

index

One of the eight cell corners

Returns:: A vertex index.

template<typename VertexT, typename NormalT>

void lssr::FastBox< VertexT, NormalT >::setNeighbor	(	int	index,
		FastBox< VertexT, NormalT > *	cell
	)

Adjacent cells in the grid should use common vertices. This functions assigns the value of corner[index] to the corresponding corner of the give neighbor cell.

Parameters:

	index	One of the eight cell corners.
	cell	A neighbor cell.

template<typename VertexT, typename NormalT>

void lssr::FastBox< VertexT, NormalT >::setVertex	(	int	index,
		uint	value
	)

Each cell vertex (0 to 7) as associated with a vertex in the reconstruction grid. This methods assigns the index value} to the index}th cell corner.

Parameters:

	index	One of the eight cell corners.
	value	An index in the reconstruction grid.

Member Data Documentation

template<typename VertexT, typename NormalT>

uint lssr::FastBox< VertexT, NormalT >::INVALID_INDEX [static]

An index value that is used to reference vertices that are not in the grid.

Definition at line 93 of file FastBox.hpp.

template<typename VertexT, typename NormalT>

VertexT lssr::FastBox< VertexT, NormalT >::m_center [private]

The box center.

Definition at line 139 of file FastBox.hpp.

template<typename VertexT, typename NormalT>

uint lssr::FastBox< VertexT, NormalT >::m_intersections[12] [private]

The twelve intersection between box and surface.

Definition at line 145 of file FastBox.hpp.

template<typename VertexT, typename NormalT>

FastBox<VertexT, NormalT>* lssr::FastBox< VertexT, NormalT >::m_neighbors[27] [private]

Pointer to all adjacent cells.

Definition at line 148 of file FastBox.hpp.

template<typename VertexT, typename NormalT>

uint lssr::FastBox< VertexT, NormalT >::m_vertices[8] [private]

The eight box corners.

Definition at line 142 of file FastBox.hpp.

template<typename VertexT, typename NormalT>

float lssr::FastBox< VertexT, NormalT >::m_voxelsize [static]

The voxelsize of the reconstruction grid.

Definition at line 90 of file FastBox.hpp.

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

src/lib/reconstruction/FastBox.hpp

lssr::FastBox< VertexT, NormalT > Class Template Reference

Public Member Functions

Static Public Attributes

Private Member Functions

Private Attributes

Detailed Description

template<typename VertexT, typename NormalT> class lssr::FastBox< VertexT, NormalT >

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation

template<typename VertexT, typename NormalT>
class lssr::FastBox< VertexT, NormalT >