EMAN::LowpassGaussProcessor Class Reference

processor radial function: if lowpass > 0, f(x) = exp(-x*x/(lowpass*lowpass)); else f(x) = exp(x*x/(lowpass*lowpass)) More...

#include <processor.h>

Inheritance diagram for EMAN::LowpassGaussProcessor:

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Collaboration diagram for EMAN::LowpassGaussProcessor:

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List of all members.

Public Member Functions
string	get_name () const
	Get the processor's name.
string	get_desc () const
	Get the descrition of this specific processor.
Static Public Member Functions
static Processor *	NEW ()
Static Public Attributes
static const string	NAME = "eman1.filter.lowpass.gaussian"
Protected Member Functions
void	create_radial_func (vector< float > &radial_mask) const

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Detailed Description

processor radial function: if lowpass > 0, f(x) = exp(-x*x/(lowpass*lowpass)); else f(x) = exp(x*x/(lowpass*lowpass))

Definition at line 916 of file processor.h.

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Member Function Documentation

string EMAN::LowpassGaussProcessor::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 919 of file processor.h.

References NAME.

                {
                        return NAME;
                }

static Processor* EMAN::LowpassGaussProcessor::NEW

(

)

[inline, static]

Definition at line 924 of file processor.h.

                {
                        return new LowpassGaussProcessor();
                }

string EMAN::LowpassGaussProcessor::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 929 of file processor.h.

                {
                        return "processor radial function: if lowpass > 0, f(x) = exp(-x*x/(lowpass*lowpass)); else f(x) = exp(x*x/(lowpass*lowpass));";
                }

void LowpassGaussProcessor::create_radial_func

(

vector< float > &

radial_mask

)

const [protected, virtual]

Implements EMAN::FourierProcessor.

Definition at line 1036 of file processor.cpp.

References EMAN::LowpassFourierProcessor::lowpass, and x.

{
//      printf("rms = %d  lp = %f\n",radial_mask.size(),lowpass);
//      Assert(radial_mask.size() > 0);         // not true, negative numbers do inverse filter processing
        float x = 0.0f , step = 0.5f/radial_mask.size();
        float sig = 1;
        if (lowpass > 0) {
                sig = -1;
        }

        for (size_t i = 0; i < radial_mask.size(); i++) {
                radial_mask[i] = exp(sig * x * x / (lowpass * lowpass));
                x += step;
        }

}

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Member Data Documentation

const string LowpassGaussProcessor::NAME = "eman1.filter.lowpass.gaussian" [static]

Definition at line 934 of file processor.h.

Referenced by get_name().

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

• processor.h
• processor.cpp