Freestyle::HashGrid Class Reference

#include <HashGrid.h>

Inherits Freestyle::Grid.

Public Types
typedef map< Vec3u, Cell * >	GridHashTable

Public Member Functions
	HashGrid ()
virtual	~HashGrid ()
virtual void	clear ()
virtual void	configure (const Vec3r &orig, const Vec3r &size, uint nb)
virtual Cell *	getCell (const Vec3u &p)
virtual void	fillCell (const Vec3u &p, Cell &cell)
Public Member Functions inherited from Freestyle::Grid
	Grid ()
virtual	~Grid ()
void	getCellCoordinates (const Vec3r &p, Vec3u &res)
Cell *	getCell (const Vec3r &p)
void	getCellOrigin (const Vec3u &cell_coord, Vec3r &orig)
void	getCellBox (const Vec3u &cell_coord, Vec3r &min_out, Vec3r &max_out)
void	insertOccluder (Polygon3r *occluder)
void	addOccluder (Polygon3r *occluder)
void	castRay (const Vec3r &orig, const Vec3r &end, OccludersSet &occluders, uint timestamp)
void	initAcceleratedRay (const Vec3r &orig, const Vec3r &end, uint timestamp)
void	castInfiniteRay (const Vec3r &orig, const Vec3r &dir, OccludersSet &occluders, uint timestamp)
bool	initAcceleratedInfiniteRay (const Vec3r &orig, const Vec3r &dir, uint timestamp)
Polygon3r *	castRayToFindFirstIntersection (const Vec3r &orig, const Vec3r &dir, double &t, double &u, double &v, uint timestamp)
void	initRay (const Vec3r &orig, const Vec3r &end, uint timestamp)
bool	initInfiniteRay (const Vec3r &orig, const Vec3r &dir, uint timestamp)
const Vec3r &	getOrigin () const
Vec3r	gridSize () const
Vec3r	getCellSize () const
OccludersSet *	getOccluders ()
void	displayDebug ()

Protected Attributes
GridHashTable	_cells
Protected Attributes inherited from Freestyle::Grid
uint	_timestamp
Vec3u	_cells_nb
Vec3r	_cell_size
Vec3r	_size
Vec3r	_orig
Vec3r	_ray_dir
Vec3u	_current_cell
Vec3r	_pt
real	_t_end
real	_t
OccludersSet	_occluders

Additional Inherited Members
Protected Member Functions inherited from Freestyle::Grid
void	castRayInternal (GridVisitor &visitor)
bool	nextRayCell (Vec3u &current_cell, Vec3u &next_cell)

Detailed Description

Class to define a regular grid used for ray casting computations

Definition at line 43 of file HashGrid.h.

Member Typedef Documentation

GridHashTable

typedef map<Vec3u, Cell *> Freestyle::HashGrid::GridHashTable

Definition at line 45 of file HashGrid.h.

Constructor & Destructor Documentation

HashGrid()

Freestyle::HashGrid::HashGrid ( )

inline

Definition at line 47 of file HashGrid.h.

References Freestyle::Grid::Grid().

~HashGrid()

virtual Freestyle::HashGrid::~HashGrid ( )

inlinevirtual

Definition at line 49 of file HashGrid.h.

References clear().

Member Function Documentation

clear()

void Freestyle::HashGrid::clear ( )

virtual

clears the grid Deletes all the cells, clears the hash-table, resets size, size of cell, number of cells.

Reimplemented from Freestyle::Grid.

Definition at line 16 of file HashGrid.cpp.

References _cells, and Freestyle::Grid::clear().

Referenced by ~HashGrid().

configure()

void Freestyle::HashGrid::configure ( const Vec3r & orig, const Vec3r & size, uint nb )

virtual

Sets the different parameters of the grid orig The grid origin size The grid's dimensions nb The number of cells of the grid

Reimplemented from Freestyle::Grid.

Definition at line 29 of file HashGrid.cpp.

References Freestyle::Grid::configure(), and size().

fillCell()

virtual void Freestyle::HashGrid::fillCell ( const Vec3u & p, Cell & cell )

inlinevirtual

Fills the case p with the cell iCell

Implements Freestyle::Grid.

Definition at line 82 of file HashGrid.h.

References _cells.

getCell()

virtual Cell * Freestyle::HashGrid::getCell ( const Vec3u & p )

inlinevirtual

returns the cell whose coordinates are passed as argument

Implements Freestyle::Grid.

Definition at line 70 of file HashGrid.h.

References _cells.

Member Data Documentation

_cells

GridHashTable Freestyle::HashGrid::_cells

protected

Definition at line 88 of file HashGrid.h.

Referenced by clear(), fillCell(), and getCell().

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

• HashGrid.h
• HashGrid.cpp