madness::GaussianDomainMask Class Reference

Use a Gaussian for the surface function and the corresponding erf for the domain mask. More...

#include <sdf_domainmask.h>

Inheritance diagram for madness::GaussianDomainMask:

Collaboration diagram for madness::GaussianDomainMask:

Public Member Functions
	GaussianDomainMask (double epsilon)
	Constructor for the domain mask.
virtual	~GaussianDomainMask ()
double	dmask (double d) const
	Derivative of characteristic function with respect to the normal distance.
double	dsurface (double d) const
	Value of d(surface)/ddistance.
double	mask (double d) const
	Value of characteristic function at normal distance d from the surface.
double	surface (double d) const
	Value of surface function at distance d normal to surface.
Public Member Functions inherited from madness::DomainMaskInterface
virtual	~DomainMaskInterface ()

Protected Attributes
const double	epsilon
	The width of the transition region.

Private Member Functions
	GaussianDomainMask ()
	Forbidden.

Detailed Description

Use a Gaussian for the surface function and the corresponding erf for the domain mask.

Constructor & Destructor Documentation

GaussianDomainMask() [1/2]

madness::GaussianDomainMask::GaussianDomainMask ( )

inlineprivate

Forbidden.

GaussianDomainMask() [2/2]

madness::GaussianDomainMask::GaussianDomainMask ( double  epsilon )

inline

Constructor for the domain mask.

Parameters

[in]

epsilon

The effective width of the surface

~GaussianDomainMask()

virtual madness::GaussianDomainMask::~GaussianDomainMask ( )

inlinevirtual

Member Function Documentation

dmask()

double madness::GaussianDomainMask::dmask ( double  d ) const

inlinevirtual

Derivative of characteristic function with respect to the normal distance.

Parameters

[in]

d

The signed distance

Returns

The derivative

Implements madness::DomainMaskInterface.

References d, epsilon, madness::nonlinear_vector_solver(), and madness::constants::pi.

dsurface()

double madness::GaussianDomainMask::dsurface ( double  d ) const

inlinevirtual

Value of d(surface)/ddistance.

Parameters

[in]

d

The signed distance

Returns

The derivative of the surface function

Implements madness::DomainMaskInterface.

References d, epsilon, madness::nonlinear_vector_solver(), and madness::constants::pi.

mask()

double madness::GaussianDomainMask::mask ( double  d ) const

inlinevirtual

Value of characteristic function at normal distance d from the surface.

Parameters

[in]

d

The signed distance. Negative is inside,'' positive isoutside.''

Returns

The domain mask

Implements madness::DomainMaskInterface.

References d, epsilon, and madness::nonlinear_vector_solver().

surface()

double madness::GaussianDomainMask::surface ( double  d ) const

inlinevirtual

Value of surface function at distance d normal to surface.

Parameters

[in]

d

The signed distance

Returns

The value of the surface function

Implements madness::DomainMaskInterface.

References d, epsilon, madness::nonlinear_vector_solver(), and madness::constants::pi.

Member Data Documentation

epsilon

const double madness::GaussianDomainMask::epsilon

protected

The width of the transition region.

Referenced by dmask(), dsurface(), mask(), and surface().

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

• sdf_domainmask.h