sofa::component::behaviormodel::eulerianfluid::Grid2D Class Reference

#include <Grid2D.h>

Collaboration diagram for sofa::component::behaviormodel::eulerianfluid::Grid2D:


Data Structures
struct	Cell
Public Types
enum	{ PART_EMPTY = 0, PART_WALL = -1, PART_FULL = 1 }
enum	Status { FMM_FRONT0 = 0, FMM_FAR = -1, FMM_KNOWN = -2, FMM_BORDER = -3 }
typedef float	real
typedef Vec< 2, real >	vec2
Public Member Functions
	Grid2D ()
	~Grid2D ()
void	clear (int _nx, int _ny)
int	clamp_x (int x)
int	clamp_y (int y)
int	clamp_in_x (int x)
int	clamp_in_y (int y)
int	index (int x, int y) const
int	index (const vec2 &p) const
Cell *	get (int x, int y, Cell *base) const
const Cell *	get (int x, int y, const Cell *base) const
Cell *	get (int x, int y)
const Cell *	get (int x, int y) const
Cell *	get (const vec2 &p)
const Cell *	get (const vec2 &p) const
template<int C>
real	interp (const Cell *base, real fx, real fy) const
template<int C>
real	interp (vec2 p) const
vec2	interp (vec2 p) const
template<int C>
void	impulse (Cell *base, real fx, real fy, real i)
template<int C>
void	impulse (vec2 p, real i)
void	impulse (const vec2 &p, const vec2 &i)
real *	getpressure (int x, int y)
real	getpressure (vec2 p)
real *	getlevelset (int x, int y)
real	getlevelset (vec2 p)
void	seed (real height)
void	seed (real height, vec2 normal)
void	seed (vec2 p0, vec2 p1, vec2 velocity=vec2(0, 0))
void	step (Grid2D prev, Grid2D temp, real dt=0.04, real diff=0.00001)
void	step_init (const Grid2D prev, Grid2D temp, real dt, real diff)
void	step_levelset (Grid2D prev, Grid2D temp, real dt, real diff)
void	step_forces (const Grid2D prev, Grid2D temp, real dt, real diff, real scale=1.0)
void	step_surface (const Grid2D prev, Grid2D temp, real dt, real diff)
void	step_advect (const Grid2D prev, Grid2D temp, real dt, real diff)
void	step_diffuse (const Grid2D prev, Grid2D temp, real dt, real diff)
void	step_project (const Grid2D prev, Grid2D temp, real dt, real diff)
void	step_color (const Grid2D prev, Grid2D temp, real dt, real diff)
int	fmm_pop ()
void	fmm_push (int index)
void	fmm_swap (int entry1, int entry2)
Static Public Member Functions
template<class T >
static T	lerp (T a, T b, real f)
Data Fields
int	nx
int	ny
int	ncell
Cell *	fdata
real *	pressure
real *	levelset
real	t
real	tend
real	max_pressure
Cell	bcell
int *	fmm_status
int *	fmm_heap
int	fmm_heap_size
Static Public Attributes
static const unsigned long *	obstacles = NULL

Detailed Description

Definition at line 53 of file Grid2D.h.

Member Typedef Documentation

typedef float sofa::component::behaviormodel::eulerianfluid::Grid2D::real

Definition at line 57 of file Grid2D.h.

typedef Vec<2,real> sofa::component::behaviormodel::eulerianfluid::Grid2D::vec2

Definition at line 58 of file Grid2D.h.

Member Enumeration Documentation

anonymous enum

Enumerator:

PART_EMPTY
PART_WALL
PART_FULL

Definition at line 74 of file Grid2D.h.

enum sofa::component::behaviormodel::eulerianfluid::Grid2D::Status

Enumerator:

FMM_FRONT0
FMM_FAR
FMM_KNOWN
FMM_BORDER

Definition at line 267 of file Grid2D.h.

Constructor & Destructor Documentation

sofa::component::behaviormodel::eulerianfluid::Grid2D::Grid2D ( )

Definition at line 88 of file Grid2D.cpp.

References bcell, sofa::defaulttype::Vec< N, real >::clear(), sofa::component::behaviormodel::eulerianfluid::Grid2D::Cell::type, and sofa::component::behaviormodel::eulerianfluid::Grid2D::Cell::u.

sofa::component::behaviormodel::eulerianfluid::Grid2D::~Grid2D ( )

Definition at line 101 of file Grid2D.cpp.

References fdata, fmm_heap, fmm_status, levelset, and pressure.

Member Function Documentation

int sofa::component::behaviormodel::eulerianfluid::Grid2D::clamp_in_x ( int x ) [inline]

Definition at line 107 of file Grid2D.h.

References nx.

int sofa::component::behaviormodel::eulerianfluid::Grid2D::clamp_in_y ( int y ) [inline]

Definition at line 112 of file Grid2D.h.

References ny.

int sofa::component::behaviormodel::eulerianfluid::Grid2D::clamp_x ( int x ) [inline]

Definition at line 97 of file Grid2D.h.

References nx.

int sofa::component::behaviormodel::eulerianfluid::Grid2D::clamp_y ( int y ) [inline]

Definition at line 102 of file Grid2D.h.

References ny.

void sofa::component::behaviormodel::eulerianfluid::Grid2D::clear	(	int	_nx,
		int	_ny
	)

Definition at line 110 of file Grid2D.cpp.

References fdata, fmm_heap, fmm_status, levelset, ncell, nx, ny, pressure, t, and tend.

Referenced by sofa::component::behaviormodel::eulerianfluid::Fluid2D::init().

int sofa::component::behaviormodel::eulerianfluid::Grid2D::fmm_pop ( )

Definition at line 471 of file Grid2D.cpp.

References fmm_heap, fmm_heap_size, FMM_KNOWN, fmm_status, fmm_swap(), levelset, and nx.

void sofa::component::behaviormodel::eulerianfluid::Grid2D::fmm_push ( int index )

Definition at line 527 of file Grid2D.cpp.

References FMM_FRONT0, fmm_heap, fmm_heap_size, fmm_status, fmm_swap(), levelset, and nx.

void sofa::component::behaviormodel::eulerianfluid::Grid2D::fmm_swap	(	int	entry1,
		int	entry2
	)			`[inline]`

Definition at line 461 of file Grid2D.cpp.

References FMM_FRONT0, fmm_heap, and fmm_status.

Referenced by fmm_pop(), and fmm_push().

const Cell* sofa::component::behaviormodel::eulerianfluid::Grid2D::get ( const vec2 & p ) const [inline]

Definition at line 166 of file Grid2D.h.

References sofa::helper::rnear().

Cell* sofa::component::behaviormodel::eulerianfluid::Grid2D::get ( const vec2 & p ) [inline]

Definition at line 161 of file Grid2D.h.

References sofa::helper::rnear().

const Cell* sofa::component::behaviormodel::eulerianfluid::Grid2D::get	(	int	x,
		int	y
	)			const `[inline]`

Definition at line 149 of file Grid2D.h.

References bcell, fdata, nx, and ny.

Cell* sofa::component::behaviormodel::eulerianfluid::Grid2D::get	(	int	x,
		int	y
	)			`[inline]`

Definition at line 137 of file Grid2D.h.

References bcell, fdata, nx, and ny.

const Cell* sofa::component::behaviormodel::eulerianfluid::Grid2D::get	(	int	x,
		int	y,
		const Cell *	base
	)			const `[inline]`

Definition at line 132 of file Grid2D.h.

References index().

Cell* sofa::component::behaviormodel::eulerianfluid::Grid2D::get	(	int	x,
		int	y,
		Cell *	base
	)			const `[inline]`

Definition at line 127 of file Grid2D.h.

References index().

Referenced by sofa::component::behaviormodel::eulerianfluid::Fluid2D::drawVisual().

real sofa::component::behaviormodel::eulerianfluid::Grid2D::getlevelset ( vec2 p ) [inline]

Definition at line 235 of file Grid2D.h.

References getlevelset(), index(), lerp(), and sofa::helper::rfloor().

real* sofa::component::behaviormodel::eulerianfluid::Grid2D::getlevelset	(	int	x,
		int	y
	)			`[inline]`

Definition at line 230 of file Grid2D.h.

References index(), and levelset.

Referenced by sofa::component::behaviormodel::eulerianfluid::Fluid2D::drawVisual(), getlevelset(), and step_levelset().

real sofa::component::behaviormodel::eulerianfluid::Grid2D::getpressure ( vec2 p ) [inline]

Definition at line 219 of file Grid2D.h.

References getpressure(), index(), lerp(), and sofa::helper::rfloor().

real* sofa::component::behaviormodel::eulerianfluid::Grid2D::getpressure	(	int	x,
		int	y
	)			`[inline]`

Definition at line 214 of file Grid2D.h.

References index(), and pressure.

Referenced by getpressure().

void sofa::component::behaviormodel::eulerianfluid::Grid2D::impulse	(	const vec2 &	p,
		const vec2 &	i
	)			`[inline]`

Definition at line 208 of file Grid2D.h.

template<int C>

void sofa::component::behaviormodel::eulerianfluid::Grid2D::impulse	(	vec2	p,
		real	i
	)			`[inline]`

Definition at line 199 of file Grid2D.h.

References sofa::helper::rfloor().

template<int C>

void sofa::component::behaviormodel::eulerianfluid::Grid2D::impulse	(	Cell *	base,
		real	fx,
		real	fy,
		real	i
	)			`[inline]`

Definition at line 191 of file Grid2D.h.

int sofa::component::behaviormodel::eulerianfluid::Grid2D::index ( const vec2 & p ) const [inline]

Definition at line 122 of file Grid2D.h.

References index(), and sofa::helper::rnear().

int sofa::component::behaviormodel::eulerianfluid::Grid2D::index	(	int	x,
		int	y
	)			const `[inline]`

Definition at line 117 of file Grid2D.h.

References nx.

Referenced by get(), getlevelset(), getpressure(), index(), step_advect(), step_diffuse(), step_forces(), step_project(), and step_surface().

vec2 sofa::component::behaviormodel::eulerianfluid::Grid2D::interp ( vec2 p ) const [inline]

Definition at line 186 of file Grid2D.h.

template<int C>

real sofa::component::behaviormodel::eulerianfluid::Grid2D::interp ( vec2 p ) const [inline]

Definition at line 177 of file Grid2D.h.

References sofa::helper::rfloor().

template<int C>

real sofa::component::behaviormodel::eulerianfluid::Grid2D::interp	(	const Cell *	base,
		real	fx,
		real	fy
	)			const `[inline]`

Definition at line 171 of file Grid2D.h.

References lerp().

Referenced by step_levelset().

template<class T >

static T sofa::component::behaviormodel::eulerianfluid::Grid2D::lerp	(	T	a,
		T	b,
		real	f
	)			`[inline, static]`

Definition at line 95 of file Grid2D.h.

Referenced by getlevelset(), getpressure(), and interp().

void sofa::component::behaviormodel::eulerianfluid::Grid2D::seed	(	vec2	p0,
		vec2	p1,
		vec2	velocity = `vec2(0,0)`
	)

Definition at line 165 of file Grid2D.cpp.

References fdata, FOR_ALL_CELLS, levelset, sofa::defaulttype::Vec< N, real >::norm(), nx, ny, sofa::helper::rabs(), sofa::helper::rmax(), and sofa::component::behaviormodel::eulerianfluid::Grid2D::Cell::u.

void sofa::component::behaviormodel::eulerianfluid::Grid2D::seed	(	real	height,
		vec2	normal
	)

Definition at line 155 of file Grid2D.cpp.

References fdata, FOR_ALL_CELLS, levelset, and sofa::defaulttype::Vec< N, real >::normalize().

void sofa::component::behaviormodel::eulerianfluid::Grid2D::seed ( real height )

Definition at line 145 of file Grid2D.cpp.

References fdata, FOR_ALL_CELLS, and levelset.

Referenced by sofa::component::behaviormodel::eulerianfluid::Fluid2D::init().

void sofa::component::behaviormodel::eulerianfluid::Grid2D::step	(	Grid2D *	prev,
		Grid2D *	temp,
		real	dt = `0.04`,
		real	diff = `0.00001`
	)

Definition at line 198 of file Grid2D.cpp.

References step_advect(), step_diffuse(), step_forces(), step_init(), step_levelset(), step_project(), step_surface(), t, and tend.

Referenced by step_project(), and sofa::component::behaviormodel::eulerianfluid::Fluid2D::updatePosition().

void sofa::component::behaviormodel::eulerianfluid::Grid2D::step_advect	(	const Grid2D *	prev,
		Grid2D *	temp,
		real	dt,
		real	diff
	)

Definition at line 756 of file Grid2D.cpp.

References fdata, FOR_INNER_CELLS, index(), ncell, and sofa::component::behaviormodel::eulerianfluid::Grid2D::Cell::u.

Referenced by step().

void sofa::component::behaviormodel::eulerianfluid::Grid2D::step_color	(	const Grid2D *	prev,
		Grid2D *	temp,
		real	dt,
		real	diff
	)

void sofa::component::behaviormodel::eulerianfluid::Grid2D::step_diffuse	(	const Grid2D *	prev,
		Grid2D *	temp,
		real	dt,
		real	diff
	)

Definition at line 782 of file Grid2D.cpp.

References fdata, FOR_INNER_CELLS, index(), ncell, and sofa::component::behaviormodel::eulerianfluid::Grid2D::Cell::u.

Referenced by step().

void sofa::component::behaviormodel::eulerianfluid::Grid2D::step_forces	(	const Grid2D *	prev,
		Grid2D *	temp,
		real	dt,
		real	diff,
		real	scale = `1.0`
	)

Definition at line 604 of file Grid2D.cpp.

References sofa::defaulttype::Vec< N, real >::clear(), fdata, FOR_INNER_CELLS, index(), levelset, PART_EMPTY, PART_FULL, sofa::helper::rceil(), t, tend, sofa::component::behaviormodel::eulerianfluid::Grid2D::Cell::type, and sofa::component::behaviormodel::eulerianfluid::Grid2D::Cell::u.

Referenced by step().

void sofa::component::behaviormodel::eulerianfluid::Grid2D::step_init	(	const Grid2D *	prev,
		Grid2D *	temp,
		real	dt,
		real	diff
	)

Definition at line 224 of file Grid2D.cpp.

References fdata, FOR_ALL_CELLS, levelset, nx, ny, obstacles, PART_EMPTY, PART_WALL, and sofa::component::behaviormodel::eulerianfluid::Grid2D::Cell::type.

Referenced by step().

void sofa::component::behaviormodel::eulerianfluid::Grid2D::step_levelset	(	Grid2D *	prev,
		Grid2D *	temp,
		real	dt,
		real	diff
	)

Definition at line 262 of file Grid2D.cpp.

References FOR_INNER_CELLS, getlevelset(), interp(), levelset, and sofa::helper::rabs().

Referenced by step().

void sofa::component::behaviormodel::eulerianfluid::Grid2D::step_project	(	const Grid2D *	prev,
		Grid2D *	temp,
		real	dt,
		real	diff
	)

Definition at line 808 of file Grid2D.cpp.

References fdata, FOR_ALL_CELLS, FOR_INNER_CELLS, FOR_READ_INNER_CELLS, index(), max_pressure, ncell, PART_EMPTY, pressure, step(), sofa::component::behaviormodel::eulerianfluid::Grid2D::Cell::type, and sofa::component::behaviormodel::eulerianfluid::Grid2D::Cell::u.

Referenced by step().

void sofa::component::behaviormodel::eulerianfluid::Grid2D::step_surface	(	const Grid2D *	prev,
		Grid2D *	temp,
		real	dt,
		real	diff
	)

Definition at line 686 of file Grid2D.cpp.

References fdata, FOR_SURFACE_CELLS, index(), and sofa::component::behaviormodel::eulerianfluid::Grid2D::Cell::u.

Referenced by step().

Field Documentation

Cell sofa::component::behaviormodel::eulerianfluid::Grid2D::bcell

Definition at line 85 of file Grid2D.h.

Referenced by get(), and Grid2D().

Cell* sofa::component::behaviormodel::eulerianfluid::Grid2D::fdata

Definition at line 76 of file Grid2D.h.

Referenced by clear(), get(), seed(), step_advect(), step_diffuse(), step_forces(), step_init(), step_project(), step_surface(), and ~Grid2D().

int* sofa::component::behaviormodel::eulerianfluid::Grid2D::fmm_heap

Definition at line 269 of file Grid2D.h.

Referenced by clear(), fmm_pop(), fmm_push(), fmm_swap(), and ~Grid2D().

int sofa::component::behaviormodel::eulerianfluid::Grid2D::fmm_heap_size

Definition at line 270 of file Grid2D.h.

Referenced by fmm_pop(), and fmm_push().

int* sofa::component::behaviormodel::eulerianfluid::Grid2D::fmm_status

Definition at line 268 of file Grid2D.h.

Referenced by clear(), fmm_pop(), fmm_push(), fmm_swap(), and ~Grid2D().

real* sofa::component::behaviormodel::eulerianfluid::Grid2D::levelset

Definition at line 78 of file Grid2D.h.

Referenced by clear(), fmm_pop(), fmm_push(), getlevelset(), seed(), step_forces(), step_init(), step_levelset(), sofa::component::behaviormodel::eulerianfluid::Fluid2D::updateVisual(), and ~Grid2D().

real sofa::component::behaviormodel::eulerianfluid::Grid2D::max_pressure

Definition at line 84 of file Grid2D.h.

Referenced by step_project().

int sofa::component::behaviormodel::eulerianfluid::Grid2D::ncell

Definition at line 72 of file Grid2D.h.

Referenced by clear(), step_advect(), step_diffuse(), and step_project().

int sofa::component::behaviormodel::eulerianfluid::Grid2D::nx

Definition at line 72 of file Grid2D.h.

Referenced by clamp_in_x(), clamp_x(), clear(), fmm_pop(), fmm_push(), get(), index(), seed(), and step_init().

int sofa::component::behaviormodel::eulerianfluid::Grid2D::ny

Definition at line 72 of file Grid2D.h.

Referenced by clamp_in_y(), clamp_y(), clear(), get(), seed(), and step_init().

const unsigned long * sofa::component::behaviormodel::eulerianfluid::Grid2D::obstacles = NULL [static]

Definition at line 87 of file Grid2D.h.

Referenced by step_init().

real* sofa::component::behaviormodel::eulerianfluid::Grid2D::pressure

Definition at line 77 of file Grid2D.h.

Referenced by clear(), getpressure(), step_project(), and ~Grid2D().

real sofa::component::behaviormodel::eulerianfluid::Grid2D::t

Definition at line 81 of file Grid2D.h.

Referenced by clear(), sofa::component::behaviormodel::eulerianfluid::Fluid2D::init(), step(), and step_forces().

real sofa::component::behaviormodel::eulerianfluid::Grid2D::tend

Definition at line 82 of file Grid2D.h.

Referenced by clear(), sofa::component::behaviormodel::eulerianfluid::Fluid2D::init(), step(), and step_forces().

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

modules/sofa/component/behaviormodel/eulerianfluid/Grid2D.h
modules/sofa/component/behaviormodel/eulerianfluid/Grid2D.cpp

sofa::component::behaviormodel::eulerianfluid::Grid2D Class Reference

Data Structures

Public Types

Public Member Functions

Static Public Member Functions

Data Fields

Static Public Attributes

Detailed Description

Member Typedef Documentation

Member Enumeration Documentation

Constructor & Destructor Documentation

Member Function Documentation

Field Documentation