#include <aligner.h>
Inheritance diagram for EMAN::RotatePrecenterAligner:
Public Member Functions | |
virtual EMData * | align (EMData *this_img, EMData *to_img, const string &cmp_name="dot", const Dict &cmp_params=Dict()) const |
To align 'this_img' with another image passed in through its parameters. | |
virtual EMData * | align (EMData *this_img, EMData *to_img) const |
virtual string | get_name () const |
Get the Aligner's name. | |
virtual string | get_desc () const |
virtual TypeDict | get_param_types () const |
Static Public Member Functions | |
Aligner * | NEW () |
Static Public Attributes | |
const string | NAME = "rotate_precenter" |
Definition at line 257 of file aligner.h.
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Implements EMAN::Aligner. Definition at line 263 of file aligner.h. References align(). 00264 { 00265 return align(this_img, to_img, "", Dict()); 00266 }
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To align 'this_img' with another image passed in through its parameters. The alignment uses a user-given comparison method to compare the two images. If none is given, a default one is used.
Implements EMAN::Aligner. Definition at line 300 of file aligner.cpp. References EMAN::Util::calc_best_fft_size(), EMAN::EMData::calc_ccfx(), data, EMAN::Util::find_max(), EMAN::EMData::get_data(), EMAN::EMData::get_ysize(), ny, EMAN::EMData::process(), EMAN::EMData::set_attr(), EMAN::Transform::set_rotation(), and EMAN::EMData::unwrap(). 00302 { 00303 if (!to) { 00304 return 0; 00305 } 00306 00307 int ny = this_img->get_ysize(); 00308 int size = Util::calc_best_fft_size((int) (M_PI * ny * 1.5)); 00309 EMData *e1 = this_img->unwrap(4, ny * 7 / 16, size, 0, 0, 1); 00310 EMData *e2 = to->unwrap(4, ny * 7 / 16, size, 0, 0, 1); 00311 EMData *cf = e1->calc_ccfx(e2, 0, ny); 00312 00313 float *data = cf->get_data(); 00314 00315 float peak = 0; 00316 int peak_index = 0; 00317 Util::find_max(data, size, &peak, &peak_index); 00318 float a = (float) ((1.0f - 1.0f * peak_index / size) * 180. * 2); 00319 00320 Transform rot; 00321 rot.set_rotation(Dict("type","2d","alpha",(float)(a*180./M_PI))); 00322 EMData* rslt = this_img->process("xform",Dict("transform",&rot)); 00323 rslt->set_attr("xform.align2d",&rot); 00324 // 00325 // Transform* t = get_set_align_attr("xform.align2d",rslt,this_img); 00326 // t->set_rotation(Dict("type","2d","alpha",-a)); 00327 // 00328 // EMData* result this_img->transform(Dict("type","2d","alpha",(float)(a*180./M_PI))); 00329 // 00330 // cf->set_attr("xform.align2d",t); 00331 // delete t; 00332 // cf->update(); 00333 00334 if( e1 ) 00335 { 00336 delete e1; 00337 e1 = 0; 00338 } 00339 00340 if( e2 ) 00341 { 00342 delete e2; 00343 e2 = 0; 00344 } 00345 00346 if (cf) { 00347 delete cf; 00348 cf = 0; 00349 } 00350 return rslt; 00351 }
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Implements EMAN::Aligner. Definition at line 273 of file aligner.h. 00274 { 00275 return "Performs rotational alignment and works accurately if the image is precentered"; 00276 }
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Get the Aligner's name. Each Aligner is identified by a unique name.
Implements EMAN::Aligner. Definition at line 268 of file aligner.h. 00269 {
00270 return NAME;
00271 }
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Implements EMAN::Aligner. Definition at line 283 of file aligner.h. 00284 {
00285 TypeDict d;
00286 return d;
00287 }
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Definition at line 278 of file aligner.h. 00279 { 00280 return new RotatePrecenterAligner(); 00281 }
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Definition at line 55 of file aligner.cpp. |