#include <processor.h>
Inheritance diagram for EMAN::AmpweightFourierProcessor:
Public Member Functions | |
string | get_name () const |
Get the processor's name. | |
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.ampweight" |
Protected Attributes | |
EMData * | sum |
int | dosqrt |
sum | Adds the weights to sum for normalization | |
sqrt | Weights using sqrt of the amplitude if set |
Definition at line 443 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 474 of file processor.h. 00475 { 00476 return "Multiplies each Fourier pixel by its amplitude"; 00477 }
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Get the processor's name. Each processor is identified by a unique name.
Implements EMAN::Processor. Definition at line 446 of file processor.h. 00447 {
00448 return NAME;
00449 }
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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 461 of file processor.h. References EMAN::TypeDict::put(). 00462 { 00463 TypeDict d; 00464 d.put("sum", EMObject::EMDATA, "Adds the weights to sum for normalization"); 00465 d.put("sqrt", EMObject::INT, "Weights using sqrt of the amplitude if set"); 00466 return d; 00467 }
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Definition at line 469 of file processor.h. 00470 { 00471 return new AmpweightFourierProcessor(); 00472 }
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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 712 of file processor.cpp. References EMAN::EMData::do_fft(), EMAN::EMData::do_ift(), EMAN::EMData::get_data(), EMAN::EMData::get_xsize(), EMAN::EMData::get_ysize(), EMAN::EMData::get_zsize(), EMAN::EMData::is_complex(), LOGWARN, sum, and EMAN::EMData::update(). 00713 { 00714 EMData *fft; 00715 float *fftd; 00716 int f=0; 00717 // static float sum1=0,sum1a=0; 00718 // static double sum2=0,sum2a=0; 00719 00720 if (!image) { 00721 LOGWARN("NULL Image"); 00722 return; 00723 } 00724 00725 if (!image->is_complex()) { 00726 fft = image->do_fft(); 00727 fftd = fft->get_data(); 00728 f=1; 00729 } 00730 else { 00731 fft=image; 00732 fftd=image->get_data(); 00733 } 00734 float *sumd = NULL; 00735 if (sum) sumd=sum->get_data(); 00736 //printf("%d %d %d %d\n",fft->get_xsize(),fft->get_ysize(),sum->get_xsize(),sum->get_ysize()); 00737 size_t n = (size_t)fft->get_xsize()*fft->get_ysize()*fft->get_zsize(); 00738 for (size_t i=0; i<n; i+=2) { 00739 float c; 00740 if (dosqrt) c=pow(fftd[i]*fftd[i]+fftd[i+1]*fftd[i+1],0.25f); 00741 #ifdef _WIN32 00742 else c = static_cast<float>(_hypot(fftd[i],fftd[i+1])); 00743 #else 00744 else c = static_cast<float>(hypot(fftd[i],fftd[i+1])); 00745 #endif //_WIN32 00746 if (c==0) c=1.0e-30f; // prevents divide by zero in normalization 00747 fftd[i]*=c; 00748 fftd[i+1]*=c; 00749 if (sumd) { sumd[i]+=c; sumd[i+1]+=0; } 00750 00751 // debugging 00752 /* if (i==290*1+12) { 00753 sum1+=fftd[i]; 00754 sum2+=fftd[i]; 00755 printf("%f\t%f\t%f\t%f\t%f\t%f\n",sum1,sum2,fftd[i],fftd[i+1],sumd[i],c); 00756 } 00757 if (i==290*50+60) { 00758 sum1a+=fftd[i]; 00759 sum2a+=fftd[i]; 00760 printf("%f\t%f\t%f\t%f\t%f\t%f\n",sum1a,sum2a,fftd[i],fftd[i+1],sumd[i],c); 00761 }*/ 00762 } 00763 00764 if (f) { 00765 fft->update(); 00766 EMData *ift=fft->do_ift(); 00767 memcpy(image->get_data(),ift->get_data(),n*sizeof(float)); 00768 delete fft; 00769 delete ift; 00770 } 00771 00772 sum->update(); 00773 image->update(); 00774 00775 }
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Set the processor parameters using a key/value dictionary.
Reimplemented from EMAN::Processor. Definition at line 453 of file processor.h. 00454 { 00455 params = new_params; 00456 sum = params["sum"]; 00457 dosqrt = params["sqrt"]; 00458 // printf("%s %f\n",params.keys()[0].c_str(),lowpass); 00459 }
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Definition at line 483 of file processor.h. |
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Definition at line 61 of file processor.cpp. |
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Definition at line 482 of file processor.h. Referenced by process_inplace(). |