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 4419 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 4432 of file processor.h.

04433                 {
04434                         return "normalizes each row in the image individually";
04435                 }

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 4422 of file processor.h.

References NAME.

04423                 {
04424                         return NAME;
04425                 }

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

Definition at line 4427 of file processor.h.

04428                 {
04429                         return new NormalizeRowProcessor();
04430                 }

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 3811 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.

03812 {
03813         if (!image) {
03814                 LOGWARN("NULL Image");
03815                 return;
03816         }
03817 
03818         if (image->get_zsize() > 1) {
03819                 LOGERR("row normalize only works for 2D image");
03820                 return;
03821         }
03822 
03823         float *rdata = image->get_data();
03824         int nx = image->get_xsize();
03825         int ny = image->get_ysize();
03826 
03827         for (int y = 0; y < ny; y++) {
03828                 double row_sum = 0;
03829                 for (int x = 0; x < nx; x++) {
03830                         row_sum += rdata[x + y * nx];
03831                 }
03832 
03833                 double row_mean = row_sum / nx;
03834                 if (row_mean <= 0) {
03835                         row_mean = 1;
03836                 }
03837 
03838                 for (int x = 0; x < nx; x++) {
03839                         rdata[x + y * nx] /= (float)row_mean;
03840                 }
03841         }
03842 
03843         image->update();
03844 }


Member Data Documentation

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

Definition at line 4437 of file processor.h.

Referenced by get_name().


The documentation for this class was generated from the following files:
Generated on Thu May 3 10:10:27 2012 for EMAN2 by  doxygen 1.4.7