gridripper::amr1d::Regridder Class Reference

#include <Regridder.h>

Inheritance diagram for gridripper::amr1d::Regridder:

List of all members.

Public Member Functions

virtual Regridder * newRegridder (const Grid &p)=0

virtual Regridder * cloneRegridder ()=0

virtual bool isDynamic ()

Tests whether mesh refinement is dynamic.

virtual bool isFlagged (int i)

Tests whether the specified grid point are flagged.

virtual void setFlagged (int i, bool v)

Sets flag on a grid point.

virtual int getInvFreqUnit ()=0

virtual bool isErrorEstimated ()=0

virtual void setLastRegridTime (int t)=0

virtual int getLastRegridTime ()=0

virtual bool checkRegriddingIsDue (Grid &g, int maxAllowedLevel, bool onInitialHypersurface, int r, int ir, int errorCheckFreq, int regridFreq)=0

virtual void init (int maxi)

Initialization.

virtual void checkErrors (Integrator *integrator, double critical)

Flag the points where the error is larger than critical.

virtual IntervalList * getIntervalList (const Grid &grid, tvalarray< Grid * > &newSubSubgrids, int minl, int maxl, int numvel, int margin, int bufzoneradius, int tsc)=0

Generates a list of new subgrids from the flagged points.

virtual void beginTimeStep (const Grid &baseg)=0

Called before each time step.

virtual void endTimeStep (GReal_t t)=0

Called after each time step.

Protected Member Functions

virtual bool hasUncoveredFlaggedPoint (const Grid &grid, const tvalarray< Grid * > &subGrids, int margin)=0

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

int getFirstIndexForRefinement (const Grid &g, const tvalarray< unsigned char > &pf) const

Gets the first point to start refinement interval searching.

int findIntervalEndForRefinement (const Grid &g, const tvalarray< unsigned char > &pf, int i) const

Finds the right edge of an interval that needs refinement.

int intervalRefinedSize (const Grid &g, const IntervalList *iv, int r) const

int gridIndexLeftOf (const Grid &g, int i, int dmax)

int gridIndexRightOf (const Grid &g, int i, int dmax)

Static Protected Member Functions

static void blur (const Grid &g, tvalarray< unsigned char > &pf, int i)

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

static void fixSubgridNearBounds (const Grid &g, IntervalList *l, IntervalList *r, int margin)

Friends

class Grid

Detailed Description

Regridder base class.

Version:: 0.5, 01/31/2007

Since:: GridRipper 0.3, 02/21/2005

Author:: Peter Csizmadia

Member Function Documentation

virtual bool gridripper::amr1d::Regridder::isDynamic ( ) [inline, virtual]

Tests whether mesh refinement is dynamic.

Points can only be flagged in case of dynamic refinement.

Returns:: true if it is dynamic, false otherwise

See also:: setFlagged(int, boolean)
setLastRegridTime(int)

Reimplemented in gridripper::amr1d::regridder::DefaultRegridder.

virtual bool gridripper::amr1d::Regridder::isFlagged ( int i ) [inline, virtual]

Tests whether the specified grid point are flagged.

Returns:: true if flagged, false otherwise

Reimplemented in gridripper::amr1d::regridder::DefaultRegridder.

virtual void gridripper::amr1d::Regridder::setFlagged	(	int	i,
		bool	v
	)			`[virtual]`

Sets flag on a grid point.

Parameters:

	i	point index
	v	true to flag, false to unflag it

Reimplemented in gridripper::amr1d::regridder::DefaultRegridder.

virtual void gridripper::amr1d::Regridder::init ( int maxi ) [inline, virtual]

Initialization.

Parameters:

maxi

grid maximum index

Reimplemented in gridripper::amr1d::regridder::DefaultRegridder.

virtual void gridripper::amr1d::Regridder::checkErrors	(	Integrator *	integrator,
		double	critical
	)			`[inline, virtual]`

Flag the points where the error is larger than critical.

Parameters:

	integrator	the grid integrator
	critical	the critical error value

Reimplemented in gridripper::amr1d::regridder::DefaultRegridder.

virtual IntervalList* gridripper::amr1d::Regridder::getIntervalList	(	const Grid &	grid,
		tvalarray< Grid * > &	newSubSubgrids,
		int	minl,
		int	maxl,
		int	numvel,
		int	margin,
		int	bufzoneradius,
		int	tsc
	)			`[pure virtual]`

Generates a list of new subgrids from the flagged points.

Parameters:

	grid	the grid
	newSubSubgrids
	minl	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
	maxl	the maximum allowed refinement level
	numvel	the error propagation velocity
	margin	margin for new grids
	bufzoneradius	size of the buffer zone
	tsc	time step count

Returns:: the list of intervals to refine

Implemented in gridripper::amr1d::regridder::DefaultRegridder.

virtual bool gridripper::amr1d::Regridder::hasUncoveredFlaggedPoint	(	const Grid &	grid,
		const tvalarray< Grid * > &	subGrids,
		int	margin
	)			`[protected, pure virtual]`

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

Implemented in gridripper::amr1d::regridder::DefaultRegridder.

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

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

Parameters:

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

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

Gets the first point to start refinement interval searching.

Parameters:

	g	the grid
	pf	nonzero values in this array indicate the need of refinement

Returns:: the index

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

Finds the right edge of an interval that needs refinement.

Parameters:

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

Returns:: the right edge index

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

gridripper/amr1d/Regridder.h


Public Member Functions
virtual Regridder *	newRegridder (const Grid &p)=0
virtual Regridder *	cloneRegridder ()=0
virtual bool	isDynamic ()
	Tests whether mesh refinement is dynamic.
virtual bool	isFlagged (int i)
	Tests whether the specified grid point are flagged.
virtual void	setFlagged (int i, bool v)
	Sets flag on a grid point.
virtual int	getInvFreqUnit ()=0
virtual bool	isErrorEstimated ()=0
virtual void	setLastRegridTime (int t)=0
virtual int	getLastRegridTime ()=0
virtual bool	checkRegriddingIsDue (Grid &g, int maxAllowedLevel, bool onInitialHypersurface, int r, int ir, int errorCheckFreq, int regridFreq)=0
virtual void	init (int maxi)
	Initialization.
virtual void	checkErrors (Integrator *integrator, double critical)
	Flag the points where the error is larger than critical.
virtual IntervalList *	getIntervalList (const Grid &grid, tvalarray< Grid * > &newSubSubgrids, int minl, int maxl, int numvel, int margin, int bufzoneradius, int tsc)=0
	Generates a list of new subgrids from the flagged points.
virtual void	beginTimeStep (const Grid &baseg)=0
	Called before each time step.
virtual void	endTimeStep (GReal_t t)=0
	Called after each time step.
Protected Member Functions
virtual bool	hasUncoveredFlaggedPoint (const Grid &grid, const tvalarray< Grid * > &subGrids, int margin)=0
	Checks if there exists any flagged point which is not covered by a refined subgrid.
int	getFirstIndexForRefinement (const Grid &g, const tvalarray< unsigned char > &pf) const
	Gets the first point to start refinement interval searching.
int	findIntervalEndForRefinement (const Grid &g, const tvalarray< unsigned char > &pf, int i) const
	Finds the right edge of an interval that needs refinement.
int	intervalRefinedSize (const Grid &g, const IntervalList *iv, int r) const
int	gridIndexLeftOf (const Grid &g, int i, int dmax)
int	gridIndexRightOf (const Grid &g, int i, int dmax)
Static Protected Member Functions
static void	blur (const Grid &g, tvalarray< unsigned char > &pf, int i)
	Both neighbors of points with the specified value in an array are set to value plus 1.
static void	fixSubgridNearBounds (const Grid &g, IntervalList l, IntervalList r, int margin)
Friends
class	Grid