Main Page | Modules | Namespace List | Class Hierarchy | Alphabetical List | Class List | Directories | File List | Namespace Members | Class Members | File Members

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:

Inheritance graph
[legend]
Collaboration diagram for EMAN::VerticalStripeProcessor:

Collaboration graph
[legend]
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

ProcessorNEW ()

Static Public Attributes

const string NAME = "math.verticalstripefix"

Detailed Description

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

Definition at line 3747 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 3762 of file processor.h.

03763                 {
03764                         return "Tries to fix images scanned on the zeiss for poor ccd normalization.";
03765                 }

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 3752 of file processor.h.

03753                 {
03754                         return NAME;
03755                 }

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

Definition at line 3757 of file processor.h.

03758                 {
03759                         return new VerticalStripeProcessor();
03760                 }

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 2934 of file processor.cpp.

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

02935 {
02936         if (!image) {
02937                 LOGWARN("NULL Image");
02938                 return;
02939         }
02940 
02941         int nx = image->get_xsize();
02942         int ny = image->get_ysize();
02943         int nz = image->get_zsize();
02944 
02945         float *data = image->get_data();
02946         float sigma = image->get_attr("sigma");
02947 
02948         for (int k = 0; k < nz; k++) {
02949                 for (int i = 0; i < nx; i++) {
02950                         double sum = 0;
02951                         for (int j = ny / 4; j < 3 * ny / 4; j++) {
02952                                 sum += data[i + j * nx];
02953                         }
02954 
02955                         float mean = (float)sum / (ny / 2);
02956                         for (int j = 0; j < ny; j++) {
02957                                 data[i + j * nx] = (data[i + j * nx] - mean) / sigma;
02958                         }
02959                 }
02960         }
02961 
02962         image->update();
02963 }


Member Data Documentation

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

Definition at line 133 of file processor.cpp.


The documentation for this class was generated from the following files:
Generated on Thu Nov 17 12:46:14 2011 for EMAN2 by  doxygen 1.3.9.1