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 4290 of file processor.h.


Member Function Documentation

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

Implements EMAN::NormalizeProcessor.

Definition at line 3702 of file processor.cpp.

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

03703 {
03704         if (!image) {
03705                 LOGWARN("NULL Image");
03706                 return 0;
03707         }
03708         double sum = 0;
03709         int nx = image->get_xsize();
03710         int ny = image->get_ysize();
03711         int nz = image->get_zsize();
03712         float *d = image->get_data();
03713         size_t nyz = ny * nz;
03714 
03715         for (size_t i = 0; i < nyz; i++) {
03716                 size_t l = i * nx;
03717                 size_t r = l + nx - 2;
03718                 sum += d[l] + d[l + 1] + d[r] + d[r + 1];
03719         }
03720         float mean = (float) sum / (4 * nyz);
03721         return mean;
03722 }

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 4303 of file processor.h.

04304                 {
04305                         return "normalizes an image, uses 2 pixels on left and right edge";
04306                 }

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 4293 of file processor.h.

References NAME.

04294                 {
04295                         return NAME;
04296                 }

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

Definition at line 4298 of file processor.h.

04299                 {
04300                         return new NormalizeLREdgeMeanProcessor();
04301                 }


Member Data Documentation

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

Definition at line 4308 of file processor.h.

Referenced by get_name().


The documentation for this class was generated from the following files:
Generated on Tue Jul 12 13:49:18 2011 for EMAN2 by  doxygen 1.4.7