#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 5221 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 5231 of file processor.h. 05232 { 05233 return "A fourier processor specified in a 2 column text file."; 05234 }
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Get the processor's name. Each processor is identified by a unique name.
Implements EMAN::Processor. Definition at line 5226 of file processor.h. 05227 {
05228 return NAME;
05229 }
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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 5241 of file processor.h. References EMAN::TypeDict::put(). 05242 { 05243 TypeDict d; 05244 d.put("filename", EMObject::STRING, "file name for a 2 column text file which specified a radial function data array."); 05245 return d; 05246 }
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Definition at line 5236 of file processor.h. 05237 { 05238 return new FileFourierProcessor(); 05239 }
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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 5867 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. 05868 { 05869 if (!image) { 05870 LOGWARN("NULL Image"); 05871 return; 05872 } 05873 const char *filename = params["filename"]; 05874 float apix = params["apix"]; 05875 05876 FILE *in = fopen(filename, "rb"); 05877 if (!in) { 05878 LOGERR("FileFourierProcessor: cannot open file '%s'", filename); 05879 return; 05880 } 05881 05882 float f = 0; 05883 int n = 0; 05884 while (fscanf(in, " %f %f", &f, &f) == 2) { 05885 n++; 05886 } 05887 rewind(in); 05888 05889 vector < float >xd(n); 05890 vector < float >yd(n); 05891 05892 float sf = apix * image->get_xsize(); 05893 05894 for (int i = 0; fscanf(in, " %f %f", &xd[i], &yd[i]) == 2; i++) { 05895 xd[i] *= sf; 05896 } 05897 05898 if (xd[2] - xd[1] != xd[1] - xd[0]) { 05899 LOGWARN("Warning, x spacing appears nonuniform %g!=%g\n", 05900 xd[2] - xd[1], xd[1] - xd[0]); 05901 } 05902 05903 EMData *d2 = image->do_fft(); 05904 if( image ) 05905 { 05906 delete image; 05907 image = 0; 05908 } 05909 05910 d2->apply_radial_func(xd[0], xd[1] - xd[0], yd, 1); 05911 image = d2->do_ift(); 05912 }
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Definition at line 175 of file processor.cpp. |