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 4374 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 4387 of file processor.h.

04388                 {
04389                         return "normalizes each row in the image individually";
04390                 }

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 4377 of file processor.h.

References NAME.

04378                 {
04379                         return NAME;
04380                 }

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

Definition at line 4382 of file processor.h.

04383                 {
04384                         return new NormalizeRowProcessor();
04385                 }

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 3739 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.

03740 {
03741         if (!image) {
03742                 LOGWARN("NULL Image");
03743                 return;
03744         }
03745 
03746         if (image->get_zsize() > 1) {
03747                 LOGERR("row normalize only works for 2D image");
03748                 return;
03749         }
03750 
03751         float *rdata = image->get_data();
03752         int nx = image->get_xsize();
03753         int ny = image->get_ysize();
03754 
03755         for (int y = 0; y < ny; y++) {
03756                 double row_sum = 0;
03757                 for (int x = 0; x < nx; x++) {
03758                         row_sum += rdata[x + y * nx];
03759                 }
03760 
03761                 double row_mean = row_sum / nx;
03762                 if (row_mean <= 0) {
03763                         row_mean = 1;
03764                 }
03765 
03766                 for (int x = 0; x < nx; x++) {
03767                         rdata[x + y * nx] /= (float)row_mean;
03768                 }
03769         }
03770 
03771         image->update();
03772 }


Member Data Documentation

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

Definition at line 4392 of file processor.h.

Referenced by get_name().


The documentation for this class was generated from the following files:
Generated on Thu Nov 17 12:46:36 2011 for EMAN2 by  doxygen 1.4.7