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 5630 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 6101 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().

06101                                                                                           {
06102         // The radial mask comes in with the existing radial image profile
06103         // The radial mask runs from 0 to the 1-D Nyquist (it leaves out the corners in Fourier space)
06104 
06105         EMData *to = params["to"];
06106         XYData *sf = new XYData();
06107         float apixto = to->get_attr("apix_x");
06108 
06109 
06110         if (to->is_complex()) {
06111                 vector<float> rd=to->calc_radial_dist(to->get_ysize()/2.0f,0,1.0f,1);
06112                 for (size_t i=0; i<rd.size(); ++i) {
06113                         sf->set_x(i,i/(apixto*2.0f*rd.size()));
06114                         sf->set_y(i,rd[i]);
06115                 }
06116         }
06117         else {
06118                 EMData *tmp=to->do_fft();
06119                 vector<float> rd=tmp->calc_radial_dist(to->get_ysize()/2,0,1.0,1);
06120                 for (size_t i=0; i<rd.size(); ++i) {
06121                         sf->set_x(i,i/(apixto*2.0f*rd.size()));
06122                         sf->set_y(i,rd[i]);
06123                 }
06124                 delete tmp;
06125         }
06126 
06127         float apix=image->get_attr("apix_x");
06128 
06129 //      sf->write_file("a.txt");
06130 //      Util::save_data(0,sf->get_x(1),radial_mask,"b.txt");
06131 
06132         int n = radial_mask.size();
06133         for (int i=0; i<n; i++) {
06134                 if (radial_mask[i]>0) radial_mask[i]= sqrt(sf->get_yatx(i/(apix*2.0f*n),false)/radial_mask[i]);
06135                 else if (i>0) radial_mask[i]=radial_mask[i-1];
06136         }
06137 
06138 //      Util::save_data(0,sf->get_x(1),radial_mask,"c.txt");
06139 
06140         delete sf;
06141 }

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 5639 of file processor.h.

05640                 {
05641                         return "Filters the image so its 1-D power spectrum matches a second image";
05642                 }

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 5634 of file processor.h.

References NAME.

05635                 {
05636                         return NAME;
05637                 }

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 5649 of file processor.h.

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

05650                 {
05651                         TypeDict d;
05652                         d.put("to", EMObject::EMDATA, "The image to match with. Make sure apix values are correct.");
05653                         return d;
05654                 }

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

Definition at line 5644 of file processor.h.

05645                 {
05646                         return new MatchSFProcessor();
05647                 }


Member Data Documentation

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

Definition at line 5656 of file processor.h.

Referenced by get_name().


The documentation for this class was generated from the following files:
Generated on Tue Jul 12 13:49:32 2011 for EMAN2 by  doxygen 1.4.7