EMAN::MatchSFProcessor Class Reference

Sets the structure factor To match a second provided image/volume. More...

#include <processor.h>

Inheritance diagram for EMAN::MatchSFProcessor:

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Collaboration diagram for EMAN::MatchSFProcessor:

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List of all members.

Public Member Functions

virtual string get_name () const
 Get the processor's name.
virtual string get_desc () const
 Get the descrition of this specific processor.
virtual TypeDict get_param_types () const
 Get processor parameter information in a dictionary.

Static Public Member Functions

static ProcessorNEW ()

Static Public Attributes

static const string NAME = "filter.matchto"

Protected Member Functions

void create_radial_func (vector< float > &radial_mask, EMData *image) const

Detailed Description

Sets the structure factor To match a second provided image/volume.

Parameters:
to EMData object to match to. Make sure apix values are set properly

Definition at line 5706 of file processor.h.


Member Function Documentation

void MatchSFProcessor::create_radial_func ( vector< float > &  radial_mask,
EMData image 
) const [protected, virtual]

Implements EMAN::FourierAnlProcessor.

Definition at line 6259 of file processor.cpp.

References EMAN::EMData::calc_radial_dist(), EMAN::EMData::do_fft(), EMAN::EMData::get_attr(), EMAN::XYData::get_yatx(), EMAN::EMData::get_ysize(), EMAN::EMData::is_complex(), EMAN::Processor::params, EMAN::XYData::set_x(), EMAN::XYData::set_y(), and sqrt().

06259                                                                                           {
06260         // The radial mask comes in with the existing radial image profile
06261         // The radial mask runs from 0 to the 1-D Nyquist (it leaves out the corners in Fourier space)
06262 
06263         EMData *to = params["to"];
06264         XYData *sf = new XYData();
06265         float apixto = to->get_attr("apix_x");
06266 
06267 
06268         if (to->is_complex()) {
06269                 vector<float> rd=to->calc_radial_dist(to->get_ysize()/2.0f,0,1.0f,1);
06270                 for (size_t i=0; i<rd.size(); ++i) {
06271                         sf->set_x(i,i/(apixto*2.0f*rd.size()));
06272                         sf->set_y(i,rd[i]);
06273                 }
06274         }
06275         else {
06276                 EMData *tmp=to->do_fft();
06277                 vector<float> rd=tmp->calc_radial_dist(to->get_ysize()/2,0,1.0,1);
06278                 for (size_t i=0; i<rd.size(); ++i) {
06279                         sf->set_x(i,i/(apixto*2.0f*rd.size()));
06280                         sf->set_y(i,rd[i]);
06281                 }
06282                 delete tmp;
06283         }
06284 
06285         float apix=image->get_attr("apix_x");
06286 
06287 //      sf->write_file("a.txt");
06288 //      Util::save_data(0,sf->get_x(1),radial_mask,"b.txt");
06289 
06290         int n = radial_mask.size();
06291         for (int i=0; i<n; i++) {
06292                 if (radial_mask[i]>0) radial_mask[i]= sqrt(sf->get_yatx(i/(apix*2.0f*n),false)/radial_mask[i]);
06293                 else if (i>0) radial_mask[i]=radial_mask[i-1];
06294         }
06295 
06296 //      Util::save_data(0,sf->get_x(1),radial_mask,"c.txt");
06297 
06298         delete sf;
06299 }

virtual string EMAN::MatchSFProcessor::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 5715 of file processor.h.

05716                 {
05717                         return "Filters the image so its 1-D power spectrum matches a second image";
05718                 }

virtual string EMAN::MatchSFProcessor::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 5710 of file processor.h.

References NAME.

05711                 {
05712                         return NAME;
05713                 }

virtual TypeDict EMAN::MatchSFProcessor::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::FourierAnlProcessor.

Definition at line 5725 of file processor.h.

References EMAN::EMObject::EMDATA, and EMAN::TypeDict::put().

05726                 {
05727                         TypeDict d;
05728                         d.put("to", EMObject::EMDATA, "The image to match with. Make sure apix values are correct.");
05729                         return d;
05730                 }

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

Definition at line 5720 of file processor.h.

05721                 {
05722                         return new MatchSFProcessor();
05723                 }


Member Data Documentation

const string MatchSFProcessor::NAME = "filter.matchto" [static]

Definition at line 5732 of file processor.h.

Referenced by get_name().


The documentation for this class was generated from the following files:
Generated on Thu May 3 10:10:43 2012 for EMAN2 by  doxygen 1.4.7