#include <processor.h>
Inheritance diagram for EMAN::Wiener2DFourierProcessor:
Public Member Functions | |
string | get_name () const |
Get the processor's name. | |
virtual EMData * | process (const EMData *const image) |
To proccess an image out-of-place. | |
void | process_inplace (EMData *image) |
To process an image in-place. | |
void | set_params (const Dict &new_params) |
Set the processor parameters using a key/value dictionary. | |
TypeDict | get_param_types () const |
Get processor parameter information in a dictionary. | |
string | get_desc () const |
Get the descrition of this specific processor. | |
Static Public Member Functions | |
Processor * | NEW () |
Static Public Attributes | |
const string | NAME = "filter.wiener2d" |
Protected Attributes | |
Ctf * | ctf |
ctf[in] | A Ctf object to use |
Definition at line 820 of file processor.h.
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Get the descrition of this specific processor. This function must be overwritten by a subclass.
Implements EMAN::Processor. Definition at line 851 of file processor.h. 00852 { 00853 return "Applies a 2-D Wiener filter to an image based on its Ctf parameters"; 00854 }
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Get the processor's name. Each processor is identified by a unique name.
Implements EMAN::Processor. Definition at line 823 of file processor.h. 00824 {
00825 return NAME;
00826 }
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Get processor parameter information in a dictionary. Each parameter has one record in the dictionary. Each record contains its name, data-type, and description.
Reimplemented from EMAN::Processor. Definition at line 839 of file processor.h. References EMAN::TypeDict::put(). 00840 { 00841 TypeDict d; 00842 d.put("ctf", EMObject::EMDATA, "Ctf object to use for Wiener filter parameters"); 00843 return d; 00844 }
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Definition at line 846 of file processor.h. 00847 { 00848 return new Wiener2DFourierProcessor(); 00849 }
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To proccess an image out-of-place. For those processors which can only be processed out-of-place, override this function to give the right behavior.
Reimplemented from EMAN::Processor. Definition at line 1078 of file processor.cpp. References EMAN::Ctf::compute_2d_complex(), EMAN::EMData::copy_head(), ctf, EMAN::EMData::do_fft(), EMAN::EMData::do_ift(), EMAN::EMData::get_attr(), in, EMAN::EMData::is_complex(), and EMAN::EMData::mult(). Referenced by process_inplace(). 01079 { 01080 const EMData *in2 = 0; 01081 if (in->is_complex()) in2=in; 01082 else in=in->do_fft(); 01083 01084 EMData *filt = in->copy_head(); 01085 Ctf *ictf = ctf; 01086 01087 if (!ictf) ctf=(Ctf *)in->get_attr("ctf"); 01088 01089 ictf->compute_2d_complex(filt,Ctf::CTF_WIENER_FILTER); 01090 filt->mult(*in2); 01091 EMData *ret=filt->do_ift(); 01092 01093 delete filt; 01094 if (!in->is_complex()) delete in2; 01095 01096 if(!ictf && ctf) {delete ctf; ctf=0;} 01097 return(ret); 01098 /* const EMData *fft; 01099 float *fftd; 01100 int f=0; 01101 01102 if (!image) { 01103 LOGWARN("NULL Image"); 01104 return ret; 01105 } 01106 01107 if (!image->is_complex()) { 01108 fft = image->do_fft(); 01109 fftd = fft->get_data(); 01110 f=1; 01111 } 01112 else { 01113 fft=image; 01114 fftd=image->get_data(); 01115 } 01116 powd=image->get_data(); 01117 01118 int bad=0; 01119 for (int i=0; i<image->get_xsize()*image->get_ysize(); i+=2) { 01120 snr=(fftd[i]*fftd[i]+fftd[i+1]*fftd[i+1]-powd[i])/powd[i]; 01121 if (snr<0) { bad++; snr=0; } 01122 01123 } 01124 01125 print("%d bad pixels\n",snr); 01126 */ return ret; 01127 01128 }
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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.
Implements EMAN::Processor. Definition at line 1130 of file processor.cpp. References EMAN::EMData::get_data(), EMAN::EMData::get_xsize(), EMAN::EMData::get_ysize(), EMAN::EMData::get_zsize(), process(), and EMAN::EMData::update(). 01130 { 01131 EMData *tmp=process(image); 01132 memcpy(image->get_data(),tmp->get_data(),image->get_xsize()*image->get_ysize()*image->get_zsize()*sizeof(float)); 01133 delete tmp; 01134 image->update(); 01135 return; 01136 }
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Set the processor parameters using a key/value dictionary.
Reimplemented from EMAN::Processor. Definition at line 832 of file processor.h. 00833 { 00834 params = new_params; 00835 ctf = params["ctf"]; 00836 // printf("%s %f\n",params.keys()[0].c_str(),lowpass); 00837 }
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Definition at line 859 of file processor.h. Referenced by process(). |
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Definition at line 67 of file processor.cpp. |