EMAN2
Public Member Functions | Static Public Member Functions | Static Public Attributes | Protected Member Functions | Private Attributes
EMAN::DoGFourierProcessor Class Reference

processor radial function: f(x) = 1/sqrt(2*pi)*[1/sigma1*exp-(x^2/2*sigma1^2) - 1/sigma2*exp-(x^2/2*sigma2^2)] More...

#include <processor.h>

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List of all members.

Public Member Functions

 DoGFourierProcessor ()
string get_name () const
 Get the processor's name.
string get_desc () const
 Get the descrition of this specific processor.
void set_params (const Dict &new_params)
 Set the processor parameters using a key/value dictionary.
TypeDict get_param_types () const
 Get processor parameter information in a dictionary.

Static Public Member Functions

static ProcessorNEW ()

Static Public Attributes

static const string NAME = "filter.DoG"

Protected Member Functions

void create_radial_func (vector< float > &radial_mask) const

Private Attributes

float sigma1
float sigma2

Detailed Description

processor radial function: f(x) = 1/sqrt(2*pi)*[1/sigma1*exp-(x^2/2*sigma1^2) - 1/sigma2*exp-(x^2/2*sigma2^2)]

Parameters:
sigma1DoG sigma1
sigma1DoG sigma2

Definition at line 1170 of file processor.h.


Constructor & Destructor Documentation

EMAN::DoGFourierProcessor::DoGFourierProcessor ( ) [inline]

Definition at line 1173 of file processor.h.

Referenced by NEW().

                                     :sigma1(0), sigma2(0)
                {
                }

Member Function Documentation

void DoGFourierProcessor::create_radial_func ( vector< float > &  radial_mask) const [protected, virtual]

Implements EMAN::FourierProcessor.

Definition at line 1443 of file processor.cpp.

References Assert, norm(), sigma1, sigma2, sqrt(), and x.

{

        Assert(radial_mask.size() > 0);
        float x = 0.0f , nqstep = 0.5f/radial_mask.size();
        size_t size=radial_mask.size();
        float norm = 1.0f/sqrt(2*M_PI);
        for (size_t i = 0; i < size; i++) {
                radial_mask[i] = norm*((1.0f/sigma1*exp(-x*x/(2.0f*sigma1*sigma1))) - (1.0f/sigma2*exp(-x*x/(2.0f*sigma2*sigma2))));
                x += nqstep;
        }
}
string EMAN::DoGFourierProcessor::get_desc ( ) const [inline, virtual]

Get the descrition of this specific processor.

This function must be overwritten by a subclass.

Returns:
The description of this processor.

Implements EMAN::Processor.

Definition at line 1186 of file processor.h.

                {
                        return "processor radial function: f(x) = 1/sqrt(2*pi)*[1/sigma1*exp-(x^2/2*sigma1^2) - 1/sigma2*exp-(x^2/2*sigma2^2)]";
                }
string EMAN::DoGFourierProcessor::get_name ( ) const [inline, virtual]

Get the processor's name.

Each processor is identified by a unique name.

Returns:
The processor's name.

Implements EMAN::Processor.

Definition at line 1177 of file processor.h.

References NAME.

                {
                        return NAME;
                }
TypeDict EMAN::DoGFourierProcessor::get_param_types ( ) const [inline, virtual]

Get processor parameter information in a dictionary.

Each parameter has one record in the dictionary. Each record contains its name, data-type, and description.

Returns:
A dictionary containing the parameter info.

Reimplemented from EMAN::FourierProcessor.

Definition at line 1198 of file processor.h.

References EMAN::EMObject::FLOAT, and EMAN::TypeDict::put().

                {
                        TypeDict d;
                        d.put("sigma1", EMObject::FLOAT, "DoG sigma1");
                        d.put("sigma2", EMObject::FLOAT, "DoG sigma2");
                        return d;
                }
static Processor* EMAN::DoGFourierProcessor::NEW ( ) [inline, static]

Definition at line 1181 of file processor.h.

References DoGFourierProcessor().

                {
                        return new DoGFourierProcessor();
                }
void EMAN::DoGFourierProcessor::set_params ( const Dict new_params) [inline, virtual]

Set the processor parameters using a key/value dictionary.

Parameters:
new_paramsA dictionary containing the new parameters.

Reimplemented from EMAN::Processor.

Definition at line 1191 of file processor.h.

References EMAN::Processor::params, sigma1, and sigma2.

                {
                        params = new_params;
                        sigma1 = params["sigma1"];
                        sigma2 = params["sigma2"];
                }

Member Data Documentation

const string DoGFourierProcessor::NAME = "filter.DoG" [static]

Definition at line 1206 of file processor.h.

Referenced by get_name().

Definition at line 1212 of file processor.h.

Referenced by create_radial_func(), and set_params().

Definition at line 1213 of file processor.h.

Referenced by create_radial_func(), and set_params().


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