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EMAN::DiffBlockProcessor Class Reference

averages over cal_half_width, then sets the value in a local block More...

#include <processor.h>

Inheritance diagram for EMAN::DiffBlockProcessor:

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Collaboration diagram for EMAN::DiffBlockProcessor:

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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.
TypeDict get_param_types () const
 Get processor parameter information in a dictionary.

Static Public Member Functions

ProcessorNEW ()

Static Public Attributes

const string NAME = "eman1.filter.blockrange"

Detailed Description

averages over cal_half_width, then sets the value in a local block

Parameters:
cal_half_width cal_half_width is dx/dy for calculating an average
fill_half_width fill_half_width is dx/dy for fill/step

Definition at line 3009 of file processor.h.


Member Function Documentation

string EMAN::DiffBlockProcessor::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 3023 of file processor.h.

03024                 {
03025                         return "averages over cal_half_width, then sets the value in a local block";
03026                 }

string EMAN::DiffBlockProcessor::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 3014 of file processor.h.

Referenced by process_inplace().

03015                 {
03016                         return NAME;
03017                 }

TypeDict EMAN::DiffBlockProcessor::get_param_types  )  const [inline, virtual]
 

Get processor parameter information in a dictionary.

Each parameter has one record in the dictionary. Each record contains its name, data-type, and description.

Returns:
A dictionary containing the parameter info.

Reimplemented from EMAN::Processor.

Definition at line 3028 of file processor.h.

References EMAN::TypeDict::put().

03029                 {
03030                         TypeDict d;
03031                         d.put("cal_half_width", EMObject::FLOAT, "cal_half_width is dx/dy for calculating an average");
03032                         d.put("fill_half_width", EMObject::FLOAT, "fill_half_width is dx/dy for fill/step");
03033                         return d;
03034                 }

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

Definition at line 3018 of file processor.h.

03019                 {
03020                         return new DiffBlockProcessor();
03021                 }

void DiffBlockProcessor::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 1679 of file processor.cpp.

References data, EMAN::EMData::get_data(), get_name(), EMAN::EMData::get_xsize(), EMAN::EMData::get_ysize(), EMAN::EMData::get_zsize(), ImageDimensionException, LOGERR, LOGWARN, nx, ny, EMAN::EMData::update(), v0, x, and y.

01680 {
01681         if (!image) {
01682                 LOGWARN("NULL Image");
01683                 return;
01684         }
01685 
01686         int nz = image->get_zsize();
01687 
01688         if (nz > 1) {
01689                 LOGERR("%s Processor doesn't support 3D", get_name().c_str());
01690                 throw ImageDimensionException("3D model not supported");
01691         }
01692 
01693         int nx = image->get_xsize();
01694         int ny = image->get_ysize();
01695 
01696         int v1 = params["cal_half_width"];
01697         int v2 = params["fill_half_width"];
01698 
01699         int v0 = v1 > v2 ? v1 : v2;
01700 
01701         if (v2 <= 0) {
01702                 v2 = v1;
01703         }
01704 
01705         float *data = image->get_data();
01706 
01707         for (int y = v0; y <= ny - v0 - 1; y += v2) {
01708                 for (int x = v0; x <= nx - v0 - 1; x += v2) {
01709 
01710                         float sum = 0;
01711                         for (int y1 = y - v1; y1 <= y + v1; y1++) {
01712                                 for (int x1 = x - v1; x1 <= x + v1; x1++) {
01713                                         sum += data[x1 + y1 * nx];
01714                                 }
01715                         }
01716                         float mean = sum / ((v1 * 2 + 1) * (v1 * 2 + 1));
01717 
01718                         for (int j = y - v2; j <= y + v2; j++) {
01719                                 for (int i = x - v2; i <= x + v2; i++) {
01720                                         data[i + j * nx] = mean;
01721                                 }
01722                         }
01723                 }
01724         }
01725 
01726         image->update();
01727 }


Member Data Documentation

const string DiffBlockProcessor::NAME = "eman1.filter.blockrange" [static]
 

Definition at line 116 of file processor.cpp.


The documentation for this class was generated from the following files:
Generated on Thu Dec 9 13:47:56 2010 for EMAN2 by  doxygen 1.3.9.1