Public Member Functions
	KernelParameters (float resolution)

float	get_inv_rsigsq () const
	Get the inverse of sigma sqaured.

float	get_lim () const
	Gets the value of lim parameter.

const RadiusDependentKernelParameters &	get_params (float radius, float eps=0.001)
	Finds the precomputed parameters given a particle radius. More...

float	get_rkdist () const
	Get the length of the Gaussian (sigma*number_of_sigmas_used)

float	get_rnormfac () const
	Get the Gaussian normalization factor.

float	get_rsig () const

float	get_rsigsq () const

float	get_sq2pi3 () const
	Get the non-sigma portion of the Gaussian normalization factor.

float	get_timessig () const
	Gets the number of sigma used. More...

const RadiusDependentKernelParameters &	set_params (float radius)
	Sets the parameters that depend on the radius of a given particle. More...

void	show (std::ostream &out=std::cout) const

Protected Attributes
bool	initialized_

float	inv_rsigsq_

float	lim_

std::map< float, const RadiusDependentKernelParameters * >	radii2params_

float	rkdist_

float	rnormfac_

float	rsig_

float	rsigsq_

float	sq2pi3_

float	timessig_

Detailed Description

Calculates and stores Gaussian kernel parameters as a function of a specific radius.

Definition at line 74 of file KernelParameters.h.

Member Function Documentation

const RadiusDependentKernelParameters& IMP::em::KernelParameters::get_params	(	float	radius,
		float	eps = `0.001`
	)

Parameters

[in]	radius	searching for parameters of this radius
[in]	eps	used for numerical stability

Note: The parameters are indexes by the radius. To maintain numerical stability, look for a radius within +-eps from the queried radius.; if parameters for this radius were not found, a warning is printed and the parameters are calculated using set_params().

float IMP::em::KernelParameters::get_rsig ( ) const

Get sigma as a function of the resolution according to the full width at half maximum criterion

Definition at line 111 of file KernelParameters.h.

float IMP::em::KernelParameters::get_rsigsq ( ) const

Get squared sigma as a function of the resolution according to the full width at half maximum criterion

Definition at line 114 of file KernelParameters.h.

float IMP::em::KernelParameters::get_timessig ( ) const

Definition at line 121 of file KernelParameters.h.

const RadiusDependentKernelParameters& IMP::em::KernelParameters::set_params ( float radius )

The other variables of the parameters (rsigsq,timessig,sq2pi3,inv_rsigsq,rnormfac,rkdist) must have been set.

Parameters

[in] radius the radius

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