EMAN::BoxSigmaProcessor Class Reference

pixel = standard deviation of values surrounding pixel. More...

#include <processor.h>

Inheritance diagram for EMAN::BoxSigmaProcessor:

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Collaboration diagram for EMAN::BoxSigmaProcessor:

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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 ProcessorNEW ()

Static Public Attributes

static const string NAME = "math.localsigma"

Protected Member Functions

void process_pixel (float *pixel, const float *data, int n) const

Detailed Description

pixel = standard deviation of values surrounding pixel.

Definition at line 3062 of file processor.h.


Member Function Documentation

string EMAN::BoxSigmaProcessor::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 3074 of file processor.h.

03075                 {
03076                         return "pixel = standard deviation of values surrounding pixel.";
03077                 }

string EMAN::BoxSigmaProcessor::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 3065 of file processor.h.

References NAME.

03066                 {
03067                         return NAME;
03068                 }

static Processor* EMAN::BoxSigmaProcessor::NEW (  )  [inline, static]

Definition at line 3069 of file processor.h.

03070                 {
03071                         return new BoxSigmaProcessor();
03072                 }

void EMAN::BoxSigmaProcessor::process_pixel ( float *  pixel,
const float *  data,
int  n 
) const [inline, protected, virtual]

Implements EMAN::BoxStatProcessor.

Definition at line 3082 of file processor.h.

References mean(), and sqrt().

03083                 {
03084                         float sum = 0;
03085                         float square_sum = 0;
03086                         for (int i = 0; i < n; i++)
03087                         {
03088                                 sum += data[i];
03089                                 square_sum += data[i] * data[i];
03090                         }
03091 
03092                         float mean = sum / n;
03093                         *pixel = sqrt(square_sum / n - mean * mean);
03094                 }


Member Data Documentation

const string BoxSigmaProcessor::NAME = "math.localsigma" [static]

Definition at line 3079 of file processor.h.

Referenced by get_name().


The documentation for this class was generated from the following files:
Generated on Thu May 3 10:10:08 2012 for EMAN2 by  doxygen 1.4.7