EMAN::NormalizeLREdgeMeanProcessor Class Reference

normalizes an image, uses 2 pixels on left and right edge More...

#include <processor.h>

Inheritance diagram for EMAN::NormalizeLREdgeMeanProcessor:

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Collaboration diagram for EMAN::NormalizeLREdgeMeanProcessor:

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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 = "normalize.lredge"

Protected Member Functions

float calc_mean (EMData *image) const

Detailed Description

normalizes an image, uses 2 pixels on left and right edge

Definition at line 4366 of file processor.h.


Member Function Documentation

float NormalizeLREdgeMeanProcessor::calc_mean ( EMData image  )  const [protected, virtual]

Implements EMAN::NormalizeProcessor.

Definition at line 3789 of file processor.cpp.

References EMAN::EMData::get_data(), EMAN::EMData::get_xsize(), EMAN::EMData::get_ysize(), EMAN::EMData::get_zsize(), LOGWARN, and mean().

03790 {
03791         if (!image) {
03792                 LOGWARN("NULL Image");
03793                 return 0;
03794         }
03795         double sum = 0;
03796         int nx = image->get_xsize();
03797         int ny = image->get_ysize();
03798         int nz = image->get_zsize();
03799         float *d = image->get_data();
03800         size_t nyz = ny * nz;
03801 
03802         for (size_t i = 0; i < nyz; i++) {
03803                 size_t l = i * nx;
03804                 size_t r = l + nx - 2;
03805                 sum += d[l] + d[l + 1] + d[r] + d[r + 1];
03806         }
03807         float mean = (float) sum / (4 * nyz);
03808         return mean;
03809 }

string EMAN::NormalizeLREdgeMeanProcessor::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 4379 of file processor.h.

04380                 {
04381                         return "normalizes an image, uses 2 pixels on left and right edge";
04382                 }

string EMAN::NormalizeLREdgeMeanProcessor::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 4369 of file processor.h.

References NAME.

04370                 {
04371                         return NAME;
04372                 }

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

Definition at line 4374 of file processor.h.

04375                 {
04376                         return new NormalizeLREdgeMeanProcessor();
04377                 }


Member Data Documentation

const string NormalizeLREdgeMeanProcessor::NAME = "normalize.lredge" [static]

Definition at line 4384 of file processor.h.

Referenced by get_name().


The documentation for this class was generated from the following files:
Generated on Thu May 3 10:10:26 2012 for EMAN2 by  doxygen 1.4.7