EMAN::TestImageNoiseUniformRand Class Reference

Replace a source image as a uniform random noise, random number generated from gsl_rng_mt19937, the pixel value is from 0 to 1, [0, 1) More...

#include <processor.h>

Inheritance diagram for EMAN::TestImageNoiseUniformRand:

Collaboration diagram for EMAN::TestImageNoiseUniformRand:

Public Member Functions
virtual void	process_inplace (EMData *image)
	To process an image in-place. More...
virtual string	get_name () const
	Get the processor's name. More...
virtual string	get_desc () const
	Get the descrition of this specific processor. More...
virtual TypeDict	get_param_types () const
	Get processor parameter information in a dictionary. More...
Public Member Functions inherited from EMAN::Processor
virtual	~Processor ()
virtual EMData *	process (const EMData *const image)
	To proccess an image out-of-place. More...
virtual void	process_list_inplace (vector< EMData * > &images)
	To process multiple images using the same algorithm. More...
virtual Dict	get_params () const
	Get the processor parameters in a key/value dictionary. More...
virtual void	set_params (const Dict &new_params)
	Set the processor parameters using a key/value dictionary. More...

Static Public Member Functions
static Processor *	NEW ()
Static Public Member Functions inherited from EMAN::TestImageProcessor
static string	get_group_desc ()
Static Public Member Functions inherited from EMAN::Processor
static string	get_group_desc ()
	Get the description of this group of processors. More...
static void	EMFourierFilterInPlace (EMData *fimage, Dict params)
	Compute a Fourier-filter processed image in place. More...
static EMData *	EMFourierFilter (EMData *fimage, Dict params)
	Compute a Fourier-processor processed image without altering the original image. More...

Static Public Attributes
static const string	NAME = "testimage.noise.uniform.rand"

Additional Inherited Members
Public Types inherited from EMAN::Processor
enum	fourier_filter_types {   TOP_HAT_LOW_PASS , TOP_HAT_HIGH_PASS , TOP_HAT_BAND_PASS , TOP_HOMOMORPHIC ,   GAUSS_LOW_PASS , GAUSS_HIGH_PASS , GAUSS_BAND_PASS , GAUSS_INVERSE ,   GAUSS_HOMOMORPHIC , BUTTERWORTH_LOW_PASS , BUTTERWORTH_HIGH_PASS , BUTTERWORTH_HOMOMORPHIC ,   KAISER_I0 , KAISER_SINH , KAISER_I0_INVERSE , KAISER_SINH_INVERSE ,   SHIFT , TANH_LOW_PASS , TANH_HIGH_PASS , TANH_HOMOMORPHIC ,   TANH_BAND_PASS , RADIAL_TABLE , CTF_ }
	Fourier filter Processor type enum. More...
Protected Member Functions inherited from EMAN::TestImageProcessor
void	preprocess (EMData *image)
Protected Attributes inherited from EMAN::TestImageProcessor
int	nx
int	ny
int	nz
Protected Attributes inherited from EMAN::Processor
Dict	params

Detailed Description

Replace a source image as a uniform random noise, random number generated from gsl_rng_mt19937, the pixel value is from 0 to 1, [0, 1)

Parameters

seed	seed for random number generator

Definition at line 8770 of file processor.h.

Member Function Documentation

get_desc()

virtual string EMAN::TestImageNoiseUniformRand::get_desc ( ) const

inlinevirtual

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 8780 of file processor.h.

                {
                        return "Replace a source image as a uniform random noise, random number generated from gsl_rng_mt19937, the pixel value is [0, 1)";
                }

get_name()

virtual string EMAN::TestImageNoiseUniformRand::get_name ( ) const

inlinevirtual

Get the processor's name.

Each processor is identified by a unique name.

Returns

The processor's name.

Implements EMAN::Processor.

Definition at line 8775 of file processor.h.

                {
                        return NAME;
                }

References NAME.

get_param_types()

virtual TypeDict EMAN::TestImageNoiseUniformRand::get_param_types ( ) const

inlinevirtual

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::Processor.

Definition at line 8790 of file processor.h.

                {
                        TypeDict d;
                        d.put("seed", EMObject::INT, "seed for random number generator");
                        return d;
                }

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

NEW()

static Processor * EMAN::TestImageNoiseUniformRand::NEW ( )

inlinestatic

Definition at line 8785 of file processor.h.

                {
                        return new TestImageNoiseUniformRand();
                }

process_inplace()

void TestImageNoiseUniformRand::process_inplace ( EMData *  image )

virtual

To process an image in-place.

For those processors which can only be processed out-of-place, override this function to just print out some error message to remind user call the out-of-place version.

Parameters

image

The image to be processed.

Implements EMAN::Processor.

Definition at line 10038 of file processor.cpp.

{
        preprocess(image);
 
        Randnum * r = Randnum::Instance();
        if(params.has_key("seed")) {
                r->set_seed((int)params["seed"]);
        }
 
        float *dat = image->get_data();
        size_t size = (size_t)nx*ny*nz;
        for (size_t i=0; i<size; ++i) {
                dat[i] = r->get_frand();
        }
 
        image->update();
}

References EMAN::Randnum::get_frand(), EMAN::Dict::has_key(), EMAN::Randnum::Instance(), EMAN::TestImageProcessor::nx, EMAN::TestImageProcessor::ny, EMAN::TestImageProcessor::nz, EMAN::Processor::params, EMAN::TestImageProcessor::preprocess(), and EMAN::Randnum::set_seed().

Member Data Documentation

NAME

const string TestImageNoiseUniformRand::NAME = "testimage.noise.uniform.rand"

static

Definition at line 8797 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