gridripper::amr1d::Grid Class Reference

1 dimensional grid for the adaptive mesh refinement algorithm. More...

#include <Grid.h>

Inheritance diagram for gridripper::amr1d::Grid:

List of all members.

Public Types

enum { LEFT_BOUND_FLAG = 1, RIGHT_BOUND_FLAG = 2 }

enum { IC_CONSTR_MASK = 3, IC_CONSTR_NONE = 0, IC_CONSTR_INTERPOLATED_ONLY = 1, IC_CONSTR_ALL = 2 }

Public Member Functions

virtual Grid * cloneGrid () const =0

Clones this grid.

GReal_t getBaseMinX () const

GReal_t getBaseMaxX () const

GReal_t getLocationX () const

Gets the location of the point with index 0.

GridIterator getXIterator () const

virtual GReal_t getSizeX () const =0

Gets the grid width.

virtual int getLeftmostI () const =0

virtual int getRightmostI () const =0

virtual bool isPeriodic () const =0

virtual GReal_t getLocationX (int i) const =0

Gets the location of the point with index i.

int getIndexFromX (GReal_t x, double maxerr) const throw (IllegalArgumentException&)

int getLocationI () const

Gets the location of the origin relative to the parent grid's origin.

GReal_t getDeltaX () const

void setTime (GReal_t t)

GReal_t getTime () const

void setTimeStepCount (int tsc)

int getTimeStepCount () const

int getLastErrorCheckTime () const

int getNumComponents () const

Gets the number of components of the field.

int getRefinementRatio () const

Gets the refinement ratio.

virtual int getMarginLeft (int ir) const =0

Gets the left margin size.

virtual int getMarginRight (int ir) const =0

Gets the right margin size.

int getMaxI () const

Gets the maximum grid index.

virtual int getNumPointsAboveMaxX () const

Gets number of grid points above infinity (Xmax).

int getLevel () const

Gets the level in the tree.

Grid * getParent () const

Gets the parent grid.

Grid * getOffspring () const

Gets the first offspring.

Grid * getNextSibling () const

Gets the sibling grid.

bool containsLeftBound () const

bool containsRightBound () const

virtual int distanceFromLeft (int i) const =0

Gets the distance from the left edge.

virtual int distanceFromRight (int i) const =0

Gets the distance from the right edge.

int getAbsoluteIndex (int i) const

virtual int getAbsoluteIndex (int i, int mul) const =0

void getField (int i, FieldWrapper &f) const

Gets the field value at the specified grid point.

void setEnergyLosses (const tvalarray< GReal_t > &e, PDE *pde)

GReal_t getEnergyFlow (int i) const

Gets the energy flow in a grid point.

GReal_t getEnergyLoss (int i) const

Gets the integrated energy flow in a grid point.

void addTo (int i, GReal_t v[]) const

Add field values to the components of an array.

void addMultipliedTo (int i, GReal_t c, GReal_t v[]) const

Add field values multiplied by a scalar to the components of an array.

void addMultipliedTo (int i, int exclude, GReal_t c, const GReal_t arr[], GReal_t v[]) const

Add field values multiplied by a scalar to the components of an array.

void get (int i, GReal_t v[], int off=0) const

Gets the field value at the specified grid point.

void set (int i, GReal_t v[])

Sets the field value at the specified grid point.

GReal_t getComponent (int i, int k) const

Gets a field component at the specified grid point.

virtual void initRefinedDataExistenceArray ()=0

Initializes the refinedDataExists array.

int getRefinedMaxI () const

Gets the maximum index on refined grid.

virtual bool hasRefinedData (int i) const =0

Tests whether refined data at the specified index exists or not.

int getRefinedDataExistence (int i, int n, const PDE &pde) const

Tests the existence of refined data at the specified indices.

const Grid * getSubgridAt (int i) const

Gets the refined data at the specified grid point if exists.

const Grid * getFinestSubgridAt (GReal_t x) const

Gets the finest subgrid at the specified location.

virtual void getRefinedData (int i, GReal_t yout[]) const =0

Gets the refined data at the specified grid point if exists.

void setZero ()

Sets all the grid values to zero.

Regridder * getRegridder ()

void setRegridder (Regridder *r)

bool hasUncoveredFlaggedPoint (int margin)

Checks if there exists any flagged point which is not covered by a refined subgrid.

virtual Grid * createTemporaryGrid (int dmargin_L, int dmargin_R, GReal_t xshift)=0

void setTemporaryGridShift (const Grid &p, GReal_t xshift)

Sets the shift for a temporary grid.

virtual void setTemporaryGridMargins (const Grid &p, int dmargin_L, int dmargin_R)=0

Sets the margins and the shift for a temporary grid.

Integrator * getIntegrator () const

Gets the grid integrator method.

void injectFineToCoarse (PDE *pde)

Sets this "coarse" grid's values from values on the finer subgrids.

void checkErrors (double critical)

Flag points where error is larger than critical.

int generateRefinedGrids (int minLevel, int maxLevel, int numVelocity, int bufzoneradius, int thislevel, int gridi)

Generates a list of new subgrids from the flagged points.

void interpolateNewSubgrids (PDE *pde) throw (IllegalArgumentException&)

Set the new grid's initial values by interpolation.

void initConstraints (PDE *pde, FieldWrapper &tmp, int opts)

Initializes constrained field components.

bool isEnergyLossStored () const

string getDataAsString () const

string toString () const

string sprintHierarchy () const

virtual void interpolateMargins (PDE *pde)=0

Protected Member Functions

Grid (const Grid &g)

Copy constructor.

Grid (GReal_t minx, GReal_t maxx, int maxi, int nc, Regridder *refproto, int r, GReal_t dx)

Creates a base grid.

Grid (const Grid &p, GReal_t xshift)

Creates a temporary grid.

Grid (Grid *p, int r1, int loci, int maxi, int margin, int vmargin, int minLevel)

Creates a refined grid.

void copy (Grid *orig, map< Grid *, Grid * > &gridmap)

Copy fields of class Grid.

virtual int getInternalIndex (int i) const =0

Gets the internal array index.

int getRealIndex (int i) const

Gets the "real" index.

virtual int getSubgridIndexFromIndex (const Grid *g, int i) const =0

virtual int getIndexFromSubgridIndex (const Grid *g, int i) const =0

virtual Grid * createRefinedGrid (IntervalList *iv, int margin, int vmargin, int minLevel, int r1)=0

Creates a refined grid.

void init (Integrator *proto, const Sigma *sigma, int n)

Initialization of the integrator and the field data array.

void initEnergyLoss (PDE &pde)

void updateEnergyLoss (const PDE &pde, int i, Grid &baseg, int jbase, GReal_t epsilon)

XFArray * getDensityData (const PDE::DensityQuantity &q, GReal_t xmin, GReal_t xmax) const

virtual void blur (tvalarray< unsigned char > &pf, int i) const =0

Both neighbors of points with the specified value in an array are set to value plus 1.

virtual int getFirstIndexForRefinement (const tvalarray< unsigned char > &pf) const =0

Gets the first point to start refinement interval searching.

virtual int findIntervalEndForRefinement (const tvalarray< unsigned char > &pf, int i) const =0

Finds the right edge of an interval that needs refinement.

virtual int intervalRefinedSize (const IntervalList *iv, int r) const =0

virtual int gridIndexLeftOf (int i, int dmax) const =0

virtual int gridIndexRightOf (int i, int dmax) const =0

virtual void fixSubgridNearBounds (IntervalList *l, IntervalList *r, int margin) const =0

virtual int calcNewSubSubgridLocation (int ssloc, int osloc, int nsloc)=0

Calculates the new location of a sub-subgrid (relative to the parent) if its parent (a subgrid) changed.

virtual void fillRefinedDataArray ()=0

Fills the refinedData array.

void initConstraints (PDE *pde, int left, int right, FieldWrapper &tmp, int opts)

Initializes constrained field in the given range.

Protected Attributes

int flags

tvalarray< GReal_t > theData

Grid data.

tvalarray< bool > refinedDataExists

Friends

class GridIterator

class Regridder

class Integrator

class AMRCore

class PDE::FiniteIntegral

Detailed Description

1 dimensional grid for the adaptive mesh refinement algorithm.

Version:: 0.5, 05/13/2009

Author:: Peter Csizmadia

Constructor & Destructor Documentation

gridripper::amr1d::Grid::Grid ( const Grid & g ) [protected]

Copy constructor.

All fields are copied except those of class Grid.

Parameters:

g

the grid to copy

See also:: copy(Grid, HashMap<Grid, Grid>)

gridripper::amr1d::Grid::Grid	(	const Grid &	p,
		GReal_t	xshift
	)			`[protected]`

Creates a temporary grid.

Parameters:

	p	the parent grid
	xshift	the shift

gridripper::amr1d::Grid::Grid	(	Grid *	p,
		int	r1,
		int	loci,
		int	maxi,
		int	margin,
		int	vmargin,
		int	minLevel
	)			`[protected]`

Creates a refined grid.

Parameters:

	p	the parent grid
	r1	refinement ratio for the refined grid's future subgrids
	loci	location of origin in parent grid
	maxi	maximum grid index
	margin	the margin size
	vmargin	numerical error propagation velocity
	minLevel	set grandparent's sub-subgrid list if its level is larger than or equal to minLevel

Member Function Documentation

void gridripper::amr1d::Grid::copy	(	Grid *	orig,
		map< Grid , Grid > &	gridmap
	)			`[protected]`

Copy fields of class Grid.

Parameters:

	orig	the original Grid
	gridmap	old-to-new grid map

virtual int gridripper::amr1d::Grid::getInternalIndex ( int i ) const [protected, pure virtual]

Gets the internal array index.

The internal array index is the sum of the "real" index and the left margin size if present.

Parameters:

i

the index

Returns:: the internal array index

Implemented in gridripper::amr1d::BoundedGrid.

int gridripper::amr1d::Grid::getRealIndex ( int i ) const [inline, protected]

Gets the "real" index.

The real index is normally equal to the argument i, it only differs in case of a periodic grid.

Parameters:

i

the index

Returns:: the real index

virtual Grid* gridripper::amr1d::Grid::createRefinedGrid	(	IntervalList *	iv,
		int	margin,
		int	vmargin,
		int	minLevel,
		int	r1
	)			`[protected, pure virtual]`

Creates a refined grid.

Parameters:

	p	the parent grid
	iv	the left and right edge in the parent grid
	margin	margin size
	vmargin	numerical error propagation velocity
	minLevel	set grandparent's sub-subgrid list if its level is larger than or equal to minLevel
	r1	the refinement ratio value if the created grid can be refined further, 1 otherwise

Implemented in gridripper::amr1d::BoundedGrid.

void gridripper::amr1d::Grid::init	(	Integrator *	proto,
		const Sigma *	sigma,
		int	n
	)			`[protected]`

Initialization of the integrator and the field data array.

Parameters:

	proto	integrator prototype
	sigma	the dissipation term multiplier
	n	total grid size

virtual void gridripper::amr1d::Grid::blur	(	tvalarray< unsigned char > &	pf,
		int	i
	)			const `[protected, pure virtual]`

Both neighbors of points with the specified value in an array are set to value plus 1.

Parameters:

	pf	nonzero values in this array indicate the need of refinement
	i	the value

Implemented in gridripper::amr1d::BoundedGrid.

virtual int gridripper::amr1d::Grid::getFirstIndexForRefinement ( const tvalarray< unsigned char > & pf ) const [protected, pure virtual]

Gets the first point to start refinement interval searching.

Parameters:

pf

nonzero values in this array indicate the need of refinement

Returns:: the index

Implemented in gridripper::amr1d::BoundedGrid.

virtual int gridripper::amr1d::Grid::findIntervalEndForRefinement	(	const tvalarray< unsigned char > &	pf,
		int	i
	)			const `[protected, pure virtual]`

Finds the right edge of an interval that needs refinement.

Parameters:

	pf	nonzero values in this array indicate the need of refinement
	i	the left edge index

Returns:: the right edge index

Implemented in gridripper::amr1d::BoundedGrid.

virtual int gridripper::amr1d::Grid::calcNewSubSubgridLocation	(	int	ssloc,
		int	osloc,
		int	nsloc
	)			`[protected, pure virtual]`

Calculates the new location of a sub-subgrid (relative to the parent) if its parent (a subgrid) changed.

Parameters:

	ssloc	old sub-subgrid's (relative) location
	osloc	its old parent's location (relative to this grid)
	nsloc	new parent's location (relative to this grid)

Returns:: the new location of the sub-subgrid relative to its new parent

Implemented in gridripper::amr1d::BoundedGrid.

virtual Grid* gridripper::amr1d::Grid::cloneGrid ( ) const [pure virtual]

Clones this grid.

Returns:: the clone

Implemented in gridripper::amr1d::BoundedGrid.

virtual GReal_t gridripper::amr1d::Grid::getSizeX ( ) const [pure virtual]

Gets the grid width.

Returns:: the grid width

Implemented in gridripper::amr1d::BoundedGrid.

virtual GReal_t gridripper::amr1d::Grid::getLocationX ( int i ) const [pure virtual]

Gets the location of the point with index i.

Parameters:

i

the point index

Implemented in gridripper::amr1d::BoundedGrid.

int gridripper::amr1d::Grid::getNumComponents ( ) const [inline]

Gets the number of components of the field.

Returns:: the number of components

int gridripper::amr1d::Grid::getRefinementRatio ( ) const [inline]

Gets the refinement ratio.

Returns:: the refinement ratio

virtual int gridripper::amr1d::Grid::getMarginLeft ( int ir ) const [pure virtual]

Gets the left margin size.

Parameters:

ir

step count

Returns:: the margin size

Implemented in gridripper::amr1d::BoundedGrid.

virtual int gridripper::amr1d::Grid::getMarginRight ( int ir ) const [pure virtual]

Gets the right margin size.

Parameters:

ir

step count

Returns:: the margin size

Implemented in gridripper::amr1d::BoundedGrid.

int gridripper::amr1d::Grid::getMaxI ( ) const [inline]

Gets the maximum grid index.

Returns:: the maximum index

virtual int gridripper::amr1d::Grid::getNumPointsAboveMaxX ( ) const [inline, virtual]

Gets number of grid points above infinity (Xmax).

Returns:: 0 in the default implementation

Reimplemented in gridripper::amr1d::BoundedGrid.

int gridripper::amr1d::Grid::getLevel ( ) const [inline]

Gets the level in the tree.

The base grid is at level 0.

Returns:: the level

Grid* gridripper::amr1d::Grid::getParent ( ) const [inline]

Gets the parent grid.

Returns:: the parent grid

Grid* gridripper::amr1d::Grid::getOffspring ( ) const [inline]

Gets the first offspring.

Returns:: the offspring grid

Grid* gridripper::amr1d::Grid::getNextSibling ( ) const [inline]

Gets the sibling grid.

Returns:: the sibling grid

virtual int gridripper::amr1d::Grid::distanceFromLeft ( int i ) const [pure virtual]

Gets the distance from the left edge.

Parameters:

i

grid point index

Returns:: the distance (positive or 0), negative number if the point outside the grid

Implemented in gridripper::amr1d::BoundedGrid.

virtual int gridripper::amr1d::Grid::distanceFromRight ( int i ) const [pure virtual]

Gets the distance from the right edge.

Parameters:

i

grid point index

Returns:: the distance (positive or 0), negative number if the point outside the grid

Implemented in gridripper::amr1d::BoundedGrid.

void gridripper::amr1d::Grid::getField	(	int	i,
		FieldWrapper &	f
	)			const `[inline]`

Gets the field value at the specified grid point.

Parameters:

	i	grid point index
	v	put the field values into this array

GReal_t gridripper::amr1d::Grid::getEnergyFlow ( int i ) const [inline]

Gets the energy flow in a grid point.

Energy flow is always calculated if energy loss is calculated.

Parameters:

i

the grid point index

Returns:: the energy flow

GReal_t gridripper::amr1d::Grid::getEnergyLoss ( int i ) const [inline]

Gets the integrated energy flow in a grid point.

Parameters:

i

the grid point index

Returns:: the energy loss

void gridripper::amr1d::Grid::addTo	(	int	i,
		GReal_t	v[]
	)			const `[inline]`

Add field values to the components of an array.

Parameters:

	i	grid point index
	v	target array

void gridripper::amr1d::Grid::addMultipliedTo	(	int	i,
		GReal_t	c,
		GReal_t	v[]
	)			const `[inline]`

Add field values multiplied by a scalar to the components of an array.

Parameters:

	i	grid point index
	c	multiplier
	v	target array

void gridripper::amr1d::Grid::addMultipliedTo	(	int	i,
		int	exclude,
		GReal_t	c,
		const GReal_t	arr[],
		GReal_t	v[]
	)			const `[inline]`

Add field values multiplied by a scalar to the components of an array.

Parameters:

	i	grid point index
	exclude	do not add the specified components
	c	multiplier
	arr	array of multipliers
	v	target array

void gridripper::amr1d::Grid::get	(	int	i,
		GReal_t	v[],
		int	off = `0`
	)			const `[inline]`

Gets the field value at the specified grid point.

Parameters:

	i	grid point index
	v	put the field values into this array
	off	offset in output array

void gridripper::amr1d::Grid::set	(	int	i,
		GReal_t	v[]
	)			`[inline]`

Sets the field value at the specified grid point.

Parameters:

	i	grid point index
	v	the field vector

GReal_t gridripper::amr1d::Grid::getComponent	(	int	i,
		int	k
	)			const `[inline]`

Gets a field component at the specified grid point.

Parameters:

	i	grid point index
	k	the field component index

Returns:: the field component value

int gridripper::amr1d::Grid::getRefinedMaxI ( ) const [inline]

Gets the maximum index on refined grid.

Returns:: the maximum refined grid point index

virtual bool gridripper::amr1d::Grid::hasRefinedData ( int i ) const [pure virtual]

Tests whether refined data at the specified index exists or not.

Parameters:

i

refined grid index

Returns:: true if exists, false if not

Implemented in gridripper::amr1d::BoundedGrid.

int gridripper::amr1d::Grid::getRefinedDataExistence	(	int	i,
		int	n,
		const PDE &	pde
	)			const

Tests the existence of refined data at the specified indices.

Parameters:

	i	start index on refined grid
	n	number of refined grid points to test

Returns:: integer with its k-th bit set if refined data exists at refined grid point i + k

const Grid* gridripper::amr1d::Grid::getSubgridAt ( int i ) const [inline]

Gets the refined data at the specified grid point if exists.

Parameters:

	i	refined grid index
	yout	the output array

const Grid* gridripper::amr1d::Grid::getFinestSubgridAt ( GReal_t x ) const

Gets the finest subgrid at the specified location.

Parameters:

x

the location

Returns:: the finest subgrid

virtual void gridripper::amr1d::Grid::getRefinedData	(	int	i,
		GReal_t	yout[]
	)			const `[pure virtual]`

Gets the refined data at the specified grid point if exists.

Parameters:

	i	refined grid index
	yout	the output array

Implemented in gridripper::amr1d::BoundedGrid.

void gridripper::amr1d::Grid::setZero ( )

Sets all the grid values to zero.

bool gridripper::amr1d::Grid::hasUncoveredFlaggedPoint ( int margin )

Checks if there exists any flagged point which is not covered by a refined subgrid.

Returns:: true if there are such flagged points, false otherwise

void gridripper::amr1d::Grid::setTemporaryGridShift	(	const Grid &	p,
		GReal_t	xshift
	)			`[inline]`

Sets the shift for a temporary grid.

Parameters:

	p	the parent grid
	xshift	the shift

virtual void gridripper::amr1d::Grid::setTemporaryGridMargins	(	const Grid &	p,
		int	dmargin_L,
		int	dmargin_R
	)			`[pure virtual]`

Sets the margins and the shift for a temporary grid.

Parameters:

	p	the parent grid
	dmargin_L	the left margin
	dmargin_R	the right margin

Implemented in gridripper::amr1d::BoundedGrid.

Integrator* gridripper::amr1d::Grid::getIntegrator ( ) const [inline]

Gets the grid integrator method.

void gridripper::amr1d::Grid::injectFineToCoarse ( PDE * pde )

Sets this "coarse" grid's values from values on the finer subgrids.

void gridripper::amr1d::Grid::checkErrors ( double critical )

Flag points where error is larger than critical.

Parameters:

critical

the critical error value

int gridripper::amr1d::Grid::generateRefinedGrids	(	int	minLevel,
		int	maxLevel,
		int	numVelocity,
		int	bufzoneradius,
		int	thislevel,
		int	gridi
	)

Generates a list of new subgrids from the flagged points.

Parameters:

	minLevel	the minimum level to regrid, larger than or equal to zero and smaller than Integer.MAX_VALUE if the grids are regenerated, Integer.MAX_VALUE at the first generation
	maxLevel	the maximum allowed refinement level
	numVelocity	the error propagation velocity
	bufzoneradius	size of the buffer zone

Returns:: the number of subgrids generated

virtual void gridripper::amr1d::Grid::fillRefinedDataArray ( ) [protected, pure virtual]

Fills the refinedData array.

Should only be called after interpolateMargins!

Implemented in gridripper::amr1d::BoundedGrid.

Member Data Documentation

tvalarray<GReal_t> gridripper::amr1d::Grid::theData [protected]

Grid data.

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

gridripper/amr1d/Grid.h


Public Types
enum	{ LEFT_BOUND_FLAG = 1, RIGHT_BOUND_FLAG = 2 }
enum	{ IC_CONSTR_MASK = 3, IC_CONSTR_NONE = 0, IC_CONSTR_INTERPOLATED_ONLY = 1, IC_CONSTR_ALL = 2 }
Public Member Functions
virtual Grid *	cloneGrid () const =0
	Clones this grid.
GReal_t	getBaseMinX () const
GReal_t	getBaseMaxX () const
GReal_t	getLocationX () const
	Gets the location of the point with index 0.
GridIterator	getXIterator () const
virtual GReal_t	getSizeX () const =0
	Gets the grid width.
virtual int	getLeftmostI () const =0
virtual int	getRightmostI () const =0
virtual bool	isPeriodic () const =0
virtual GReal_t	getLocationX (int i) const =0
	Gets the location of the point with index i.
int	getIndexFromX (GReal_t x, double maxerr) const throw (IllegalArgumentException&)
int	getLocationI () const
	Gets the location of the origin relative to the parent grid's origin.
GReal_t	getDeltaX () const
void	setTime (GReal_t t)
GReal_t	getTime () const
void	setTimeStepCount (int tsc)
int	getTimeStepCount () const
int	getLastErrorCheckTime () const
int	getNumComponents () const
	Gets the number of components of the field.
int	getRefinementRatio () const
	Gets the refinement ratio.
virtual int	getMarginLeft (int ir) const =0
	Gets the left margin size.
virtual int	getMarginRight (int ir) const =0
	Gets the right margin size.
int	getMaxI () const
	Gets the maximum grid index.
virtual int	getNumPointsAboveMaxX () const
	Gets number of grid points above infinity (Xmax).
int	getLevel () const
	Gets the level in the tree.
Grid *	getParent () const
	Gets the parent grid.
Grid *	getOffspring () const
	Gets the first offspring.
Grid *	getNextSibling () const
	Gets the sibling grid.
bool	containsLeftBound () const
bool	containsRightBound () const
virtual int	distanceFromLeft (int i) const =0
	Gets the distance from the left edge.
virtual int	distanceFromRight (int i) const =0
	Gets the distance from the right edge.
int	getAbsoluteIndex (int i) const
virtual int	getAbsoluteIndex (int i, int mul) const =0
void	getField (int i, FieldWrapper &f) const
	Gets the field value at the specified grid point.
void	setEnergyLosses (const tvalarray< GReal_t > &e, PDE *pde)
GReal_t	getEnergyFlow (int i) const
	Gets the energy flow in a grid point.
GReal_t	getEnergyLoss (int i) const
	Gets the integrated energy flow in a grid point.
void	addTo (int i, GReal_t v[]) const
	Add field values to the components of an array.
void	addMultipliedTo (int i, GReal_t c, GReal_t v[]) const
	Add field values multiplied by a scalar to the components of an array.
void	addMultipliedTo (int i, int exclude, GReal_t c, const GReal_t arr[], GReal_t v[]) const
	Add field values multiplied by a scalar to the components of an array.
void	get (int i, GReal_t v[], int off=0) const
	Gets the field value at the specified grid point.
void	set (int i, GReal_t v[])
	Sets the field value at the specified grid point.
GReal_t	getComponent (int i, int k) const
	Gets a field component at the specified grid point.
virtual void	initRefinedDataExistenceArray ()=0
	Initializes the refinedDataExists array.
int	getRefinedMaxI () const
	Gets the maximum index on refined grid.
virtual bool	hasRefinedData (int i) const =0
	Tests whether refined data at the specified index exists or not.
int	getRefinedDataExistence (int i, int n, const PDE &pde) const
	Tests the existence of refined data at the specified indices.
const Grid *	getSubgridAt (int i) const
	Gets the refined data at the specified grid point if exists.
const Grid *	getFinestSubgridAt (GReal_t x) const
	Gets the finest subgrid at the specified location.
virtual void	getRefinedData (int i, GReal_t yout[]) const =0
	Gets the refined data at the specified grid point if exists.
void	setZero ()
	Sets all the grid values to zero.
Regridder *	getRegridder ()
void	setRegridder (Regridder *r)
bool	hasUncoveredFlaggedPoint (int margin)
	Checks if there exists any flagged point which is not covered by a refined subgrid.
virtual Grid *	createTemporaryGrid (int dmargin_L, int dmargin_R, GReal_t xshift)=0
void	setTemporaryGridShift (const Grid &p, GReal_t xshift)
	Sets the shift for a temporary grid.
virtual void	setTemporaryGridMargins (const Grid &p, int dmargin_L, int dmargin_R)=0
	Sets the margins and the shift for a temporary grid.
Integrator *	getIntegrator () const
	Gets the grid integrator method.
void	injectFineToCoarse (PDE *pde)
	Sets this "coarse" grid's values from values on the finer subgrids.
void	checkErrors (double critical)
	Flag points where error is larger than critical.
int	generateRefinedGrids (int minLevel, int maxLevel, int numVelocity, int bufzoneradius, int thislevel, int gridi)
	Generates a list of new subgrids from the flagged points.
void	interpolateNewSubgrids (PDE *pde) throw (IllegalArgumentException&)
	Set the new grid's initial values by interpolation.
void	initConstraints (PDE *pde, FieldWrapper &tmp, int opts)
	Initializes constrained field components.
bool	isEnergyLossStored () const
string	getDataAsString () const
string	toString () const
string	sprintHierarchy () const
virtual void	interpolateMargins (PDE *pde)=0
Protected Member Functions
	Grid (const Grid &g)
	Copy constructor.
	Grid (GReal_t minx, GReal_t maxx, int maxi, int nc, Regridder *refproto, int r, GReal_t dx)
	Creates a base grid.
	Grid (const Grid &p, GReal_t xshift)
	Creates a temporary grid.
	Grid (Grid *p, int r1, int loci, int maxi, int margin, int vmargin, int minLevel)
	Creates a refined grid.
void	copy (Grid orig, map< Grid , Grid * > &gridmap)
	Copy fields of class Grid.
virtual int	getInternalIndex (int i) const =0
	Gets the internal array index.
int	getRealIndex (int i) const
	Gets the "real" index.
virtual int	getSubgridIndexFromIndex (const Grid *g, int i) const =0
virtual int	getIndexFromSubgridIndex (const Grid *g, int i) const =0
virtual Grid *	createRefinedGrid (IntervalList *iv, int margin, int vmargin, int minLevel, int r1)=0
	Creates a refined grid.
void	init (Integrator proto, const Sigma sigma, int n)
	Initialization of the integrator and the field data array.
void	initEnergyLoss (PDE &pde)
void	updateEnergyLoss (const PDE &pde, int i, Grid &baseg, int jbase, GReal_t epsilon)
XFArray *	getDensityData (const PDE::DensityQuantity &q, GReal_t xmin, GReal_t xmax) const
virtual void	blur (tvalarray< unsigned char > &pf, int i) const =0
	Both neighbors of points with the specified value in an array are set to value plus 1.
virtual int	getFirstIndexForRefinement (const tvalarray< unsigned char > &pf) const =0
	Gets the first point to start refinement interval searching.
virtual int	findIntervalEndForRefinement (const tvalarray< unsigned char > &pf, int i) const =0
	Finds the right edge of an interval that needs refinement.
virtual int	intervalRefinedSize (const IntervalList *iv, int r) const =0
virtual int	gridIndexLeftOf (int i, int dmax) const =0
virtual int	gridIndexRightOf (int i, int dmax) const =0
virtual void	fixSubgridNearBounds (IntervalList l, IntervalList r, int margin) const =0
virtual int	calcNewSubSubgridLocation (int ssloc, int osloc, int nsloc)=0
	Calculates the new location of a sub-subgrid (relative to the parent) if its parent (a subgrid) changed.
virtual void	fillRefinedDataArray ()=0
	Fills the refinedData array.
void	initConstraints (PDE *pde, int left, int right, FieldWrapper &tmp, int opts)
	Initializes constrained field in the given range.
Protected Attributes
int	flags
tvalarray< GReal_t >	theData
	Grid data.
tvalarray< bool >	refinedDataExists
Friends
class	GridIterator
class	Regridder
class	Integrator
class	AMRCore
class	PDE::FiniteIntegral