EMAN2
Public Member Functions | Static Public Member Functions | Static Public Attributes | Protected Member Functions | Private Attributes | List of all members
EMAN::MaskGaussInvProcessor Class Reference

f(x) = f(x) / exp(-radius*radius * gauss_width / (ny*ny)) More...

#include <processor.h>

Inheritance diagram for EMAN::MaskGaussInvProcessor:
Inheritance graph
[legend]
Collaboration diagram for EMAN::MaskGaussInvProcessor:
Collaboration graph
[legend]

Public Member Functions

TypeDict get_param_types () const
 Get processor parameter information in a dictionary. More...
 
string get_name () const
 Get the processor's name. More...
 
string get_desc () const
 Get the descrition of this specific processor. More...
 
- Public Member Functions inherited from EMAN::CircularMaskProcessor
 CircularMaskProcessor ()
 
void set_params (const Dict &new_params)
 Set the processor parameters using a key/value dictionary. More...
 
- Public Member Functions inherited from EMAN::CoordinateProcessor
 CoordinateProcessor ()
 
void process_inplace (EMData *image)
 To process an image in-place. More...
 
- Public Member Functions inherited from EMAN::Processor
virtual ~Processor ()
 
virtual EMDataprocess (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...
 

Static Public Member Functions

static ProcessorNEW ()
 
- Static Public Member Functions inherited from EMAN::CoordinateProcessor
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 EMDataEMFourierFilter (EMData *fimage, Dict params)
 Compute a Fourier-processor processed image without altering the original image. More...
 

Static Public Attributes

static const string NAME = "math.gausskernelfix"
 

Protected Member Functions

void calc_locals (EMData *)
 
void process_dist_pixel (float *pixel, float dist) const
 
- Protected Member Functions inherited from EMAN::CircularMaskProcessor
bool is_valid () const
 
void process_pixel (float *pixel, int xi, int yi, int zi) const
 

Private Attributes

float slice_value
 

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 Attributes inherited from EMAN::CircularMaskProcessor
float inner_radius
 
float outer_radius
 
float inner_radius_square
 
float outer_radius_square
 
float dx
 
float dy
 
float dz
 
float xc
 
float yc
 
float zc
 
- Protected Attributes inherited from EMAN::CoordinateProcessor
int nx
 
int ny
 
int nz
 
float mean
 
float sigma
 
float maxval
 
bool is_complex
 
- Protected Attributes inherited from EMAN::Processor
Dict params
 

Detailed Description

f(x) = f(x) / exp(-radius*radius * gauss_width / (ny*ny))

Parameters
gauss_widthUsed to calculate the constant factor - gauss_width / (ny*ny)
ring_widthThe width of the mask ring

Definition at line 4130 of file processor.h.

Member Function Documentation

◆ calc_locals()

void EMAN::MaskGaussInvProcessor::calc_locals ( EMData )
inlineprotectedvirtual

Reimplemented from EMAN::CircularMaskProcessor.

Definition at line 4160 of file processor.h.

4161 {
4162 xc = Util::fast_floor(nx/2.0f) + dx;
4163 yc = Util::fast_floor(ny/2.0f) + dy;
4164 zc = Util::fast_floor(nz/2.0f) + dz;
4165
4166 float gauss_width = params["gauss_width"];
4167 slice_value = gauss_width / (ny * ny);
4168 }
static int fast_floor(float x)
A fast way to calculate a floor, which is largest integral value not greater than argument.
Definition: util.h:874

References EMAN::CircularMaskProcessor::dx, EMAN::CircularMaskProcessor::dy, EMAN::CircularMaskProcessor::dz, EMAN::Util::fast_floor(), EMAN::CoordinateProcessor::nx, EMAN::CoordinateProcessor::ny, EMAN::CoordinateProcessor::nz, EMAN::Processor::params, slice_value, EMAN::CircularMaskProcessor::xc, EMAN::CircularMaskProcessor::yc, and EMAN::CircularMaskProcessor::zc.

◆ get_desc()

string EMAN::MaskGaussInvProcessor::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.

Reimplemented from EMAN::CircularMaskProcessor.

Definition at line 4152 of file processor.h.

4153 {
4154 return "f(x) = f(x) / exp(-radius*radius * gauss_width / (ny*ny))";
4155 }

◆ get_name()

string EMAN::MaskGaussInvProcessor::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 4142 of file processor.h.

4143 {
4144 return NAME;
4145 }
static const string NAME
Definition: processor.h:4157

References NAME.

◆ get_param_types()

TypeDict EMAN::MaskGaussInvProcessor::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::CircularMaskProcessor.

Definition at line 4133 of file processor.h.

4134 {
4135// TypeDict d = CircularMaskProcessor::get_param_types();
4136 TypeDict d;
4137 d.put("gauss_width", EMObject::FLOAT, "Used to calculate the constant factor - gauss_width / (ny*ny)" );
4138// d.put("ring_width", EMObject::INT, "The width of the mask ring.");
4139 return d;
4140 }
TypeDict is a dictionary to store <string, EMObject::ObjectType> pair.
Definition: emobject.h:305
void put(const string &key, EMObject::ObjectType o, const string &desc="")
Definition: emobject.h:330

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

◆ NEW()

static Processor * EMAN::MaskGaussInvProcessor::NEW ( )
inlinestatic

Definition at line 4147 of file processor.h.

4148 {
4149 return new MaskGaussInvProcessor();
4150 }
f(x) = f(x) / exp(-radius*radius * gauss_width / (ny*ny))
Definition: processor.h:4131

◆ process_dist_pixel()

void EMAN::MaskGaussInvProcessor::process_dist_pixel ( float *  pixel,
float  dist 
) const
inlineprotectedvirtual

Implements EMAN::CircularMaskProcessor.

Definition at line 4170 of file processor.h.

4171 {
4172 (*pixel) /= exp(-dist * slice_value);
4173 }

References slice_value.

Member Data Documentation

◆ NAME

const string MaskGaussInvProcessor::NAME = "math.gausskernelfix"
static

Definition at line 4157 of file processor.h.

Referenced by get_name().

◆ slice_value

float EMAN::MaskGaussInvProcessor::slice_value
private

Definition at line 4175 of file processor.h.

Referenced by calc_locals(), and process_dist_pixel().


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