EMAN::VerticalStripeProcessor Class Reference

Tries to fix images scanned on the zeiss for poor ccd normalization. More...

#include <processor.h>

Inheritance diagram for EMAN::VerticalStripeProcessor:

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Collaboration diagram for EMAN::VerticalStripeProcessor:

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List of all members.

Public Member Functions

void process_inplace (EMData *image)
 To process an image in-place.
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 = "math.verticalstripefix"

Detailed Description

Tries to fix images scanned on the zeiss for poor ccd normalization.

Definition at line 3622 of file processor.h.


Member Function Documentation

string EMAN::VerticalStripeProcessor::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 3637 of file processor.h.

03638                 {
03639                         return "Tries to fix images scanned on the zeiss for poor ccd normalization.";
03640                 }

string EMAN::VerticalStripeProcessor::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 3627 of file processor.h.

References NAME.

03628                 {
03629                         return NAME;
03630                 }

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

Definition at line 3632 of file processor.h.

03633                 {
03634                         return new VerticalStripeProcessor();
03635                 }

void VerticalStripeProcessor::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 2856 of file processor.cpp.

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

02857 {
02858         if (!image) {
02859                 LOGWARN("NULL Image");
02860                 return;
02861         }
02862 
02863         int nx = image->get_xsize();
02864         int ny = image->get_ysize();
02865         int nz = image->get_zsize();
02866 
02867         float *data = image->get_data();
02868         float sigma = image->get_attr("sigma");
02869 
02870         for (int k = 0; k < nz; k++) {
02871                 for (int i = 0; i < nx; i++) {
02872                         double sum = 0;
02873                         for (int j = ny / 4; j < 3 * ny / 4; j++) {
02874                                 sum += data[i + j * nx];
02875                         }
02876 
02877                         float mean = (float)sum / (ny / 2);
02878                         for (int j = 0; j < ny; j++) {
02879                                 data[i + j * nx] = (data[i + j * nx] - mean) / sigma;
02880                         }
02881                 }
02882         }
02883 
02884         image->update();
02885 }


Member Data Documentation

const string VerticalStripeProcessor::NAME = "math.verticalstripefix" [static]

Definition at line 3642 of file processor.h.

Referenced by get_name().


The documentation for this class was generated from the following files:
Generated on Mon Mar 7 18:10:07 2011 for EMAN2 by  doxygen 1.4.7