#include <processor.h>
Inheritance diagram for EMAN::FileFourierProcessor:
Public Member Functions | |
virtual void | process_inplace (EMData *image) |
To process an image in-place. | |
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 | |
Processor * | NEW () |
Static Public Attributes | |
const string | NAME = "eman1.filter.byfile" |
filename | file name for a 2 column text file which specified a radial function data array |
Definition at line 5190 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 5200 of file processor.h. 05201 { 05202 return "A fourier processor specified in a 2 column text file."; 05203 }
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Get the processor's name. Each processor is identified by a unique name.
Implements EMAN::Processor. Definition at line 5195 of file processor.h. 05196 {
05197 return NAME;
05198 }
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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 5210 of file processor.h. References EMAN::TypeDict::put(). 05211 { 05212 TypeDict d; 05213 d.put("filename", EMObject::STRING, "file name for a 2 column text file which specified a radial function data array."); 05214 return d; 05215 }
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Definition at line 5205 of file processor.h. 05206 { 05207 return new FileFourierProcessor(); 05208 }
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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 5781 of file processor.cpp. References EMAN::EMData::apply_radial_func(), EMAN::EMData::do_fft(), EMAN::EMData::do_ift(), EMAN::EMData::get_xsize(), in, LOGERR, and LOGWARN. 05782 { 05783 if (!image) { 05784 LOGWARN("NULL Image"); 05785 return; 05786 } 05787 const char *filename = params["filename"]; 05788 float apix = params["apix"]; 05789 05790 FILE *in = fopen(filename, "rb"); 05791 if (!in) { 05792 LOGERR("FileFourierProcessor: cannot open file '%s'", filename); 05793 return; 05794 } 05795 05796 float f = 0; 05797 int n = 0; 05798 while (fscanf(in, " %f %f", &f, &f) == 2) { 05799 n++; 05800 } 05801 rewind(in); 05802 05803 vector < float >xd(n); 05804 vector < float >yd(n); 05805 05806 float sf = apix * image->get_xsize(); 05807 05808 for (int i = 0; fscanf(in, " %f %f", &xd[i], &yd[i]) == 2; i++) { 05809 xd[i] *= sf; 05810 } 05811 05812 if (xd[2] - xd[1] != xd[1] - xd[0]) { 05813 LOGWARN("Warning, x spacing appears nonuniform %g!=%g\n", 05814 xd[2] - xd[1], xd[1] - xd[0]); 05815 } 05816 05817 EMData *d2 = image->do_fft(); 05818 if( image ) 05819 { 05820 delete image; 05821 image = 0; 05822 } 05823 05824 d2->apply_radial_func(xd[0], xd[1] - xd[0], yd, 1); 05825 image = d2->do_ift(); 05826 }
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Definition at line 180 of file processor.cpp. |