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EMAN::NormalizeRowProcessor Class Reference

normalizes each row in the image individually More...

#include <processor.h>

Inheritance diagram for EMAN::NormalizeRowProcessor:

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Collaboration diagram for EMAN::NormalizeRowProcessor:

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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.
void process_inplace (EMData *image)
 To process an image in-place.

Static Public Member Functions

static ProcessorNEW ()

Static Public Attributes

static const string NAME = "normalize.rows"

Detailed Description

normalizes each row in the image individually

Definition at line 4340 of file processor.h.


Member Function Documentation

string EMAN::NormalizeRowProcessor::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 4353 of file processor.h.

04354                 {
04355                         return "normalizes each row in the image individually";
04356                 }

string EMAN::NormalizeRowProcessor::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 4343 of file processor.h.

References NAME.

04344                 {
04345                         return NAME;
04346                 }

static Processor* EMAN::NormalizeRowProcessor::NEW  )  [inline, static]
 

Definition at line 4348 of file processor.h.

04349                 {
04350                         return new NormalizeRowProcessor();
04351                 }

void NormalizeRowProcessor::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 3650 of file processor.cpp.

References EMAN::EMData::get_data(), EMAN::EMData::get_xsize(), EMAN::EMData::get_ysize(), EMAN::EMData::get_zsize(), LOGERR, LOGWARN, rdata, row_sum(), EMAN::EMData::update(), and x.

03651 {
03652         if (!image) {
03653                 LOGWARN("NULL Image");
03654                 return;
03655         }
03656 
03657         if (image->get_zsize() > 1) {
03658                 LOGERR("row normalize only works for 2D image");
03659                 return;
03660         }
03661 
03662         float *rdata = image->get_data();
03663         int nx = image->get_xsize();
03664         int ny = image->get_ysize();
03665 
03666         for (int y = 0; y < ny; y++) {
03667                 double row_sum = 0;
03668                 for (int x = 0; x < nx; x++) {
03669                         row_sum += rdata[x + y * nx];
03670                 }
03671 
03672                 double row_mean = row_sum / nx;
03673                 if (row_mean <= 0) {
03674                         row_mean = 1;
03675                 }
03676 
03677                 for (int x = 0; x < nx; x++) {
03678                         rdata[x + y * nx] /= (float)row_mean;
03679                 }
03680         }
03681 
03682         image->update();
03683 }


Member Data Documentation

const string NormalizeRowProcessor::NAME = "normalize.rows" [static]
 

Definition at line 4358 of file processor.h.

Referenced by get_name().


The documentation for this class was generated from the following files:
Generated on Tue May 25 17:37:29 2010 for EMAN2 by  doxygen 1.4.4