#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 754 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(). 00755 { 00756 EMData *fft; 00757 float *fftd; 00758 int i,f=0; 00759 // static float sum1=0,sum1a=0; 00760 // static double sum2=0,sum2a=0; 00761 00762 if (!image) { 00763 LOGWARN("NULL Image"); 00764 return; 00765 } 00766 00767 if (!image->is_complex()) { 00768 fft = image->do_fft(); 00769 fftd = fft->get_data(); 00770 f=1; 00771 } 00772 else { 00773 fft=image; 00774 fftd=image->get_data(); 00775 } 00776 float *sumd = NULL; 00777 if (sum) sumd=sum->get_data(); 00778 //printf("%d %d %d %d\n",fft->get_xsize(),fft->get_ysize(),sum->get_xsize(),sum->get_ysize()); 00779 int n = fft->get_xsize()*fft->get_ysize()*fft->get_zsize(); 00780 for (i=0; i<n; i+=2) { 00781 float c; 00782 if (dosqrt) c=pow(fftd[i]*fftd[i]+fftd[i+1]*fftd[i+1],0.25f); 00783 #ifdef _WIN32 00784 else c = static_cast<float>(_hypot(fftd[i],fftd[i+1])); 00785 #else 00786 else c = static_cast<float>(hypot(fftd[i],fftd[i+1])); 00787 #endif //_WIN32 00788 if (c==0) c=1.0e-30f; // prevents divide by zero in normalization 00789 fftd[i]*=c; 00790 fftd[i+1]*=c; 00791 if (sumd) { sumd[i]+=c; sumd[i+1]+=0; } 00792 00793 // debugging 00794 /* if (i==290*1+12) { 00795 sum1+=fftd[i]; 00796 sum2+=fftd[i]; 00797 printf("%f\t%f\t%f\t%f\t%f\t%f\n",sum1,sum2,fftd[i],fftd[i+1],sumd[i],c); 00798 } 00799 if (i==290*50+60) { 00800 sum1a+=fftd[i]; 00801 sum2a+=fftd[i]; 00802 printf("%f\t%f\t%f\t%f\t%f\t%f\n",sum1a,sum2a,fftd[i],fftd[i+1],sumd[i],c); 00803 }*/ 00804 } 00805 00806 if (f) { 00807 fft->update(); 00808 EMData *ift=fft->do_ift(); 00809 memcpy(image->get_data(),ift->get_data(),n*sizeof(float)); 00810 delete fft; 00811 delete ift; 00812 } 00813 00814 sum->update(); 00815 image->update(); 00816 00817 }
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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 62 of file processor.cpp. |
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Definition at line 482 of file processor.h. Referenced by process_inplace(). |