#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 302 of file aligner.h.
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Implements EMAN::Aligner. Definition at line 308 of file aligner.h. References align(). 00309 { 00310 return align(this_img, to_img, "dot", Dict()); 00311 }
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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 357 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(). 00359 { 00360 if (!to) { 00361 return 0; 00362 } 00363 00364 int ny = this_img->get_ysize(); 00365 int size = Util::calc_best_fft_size((int) (M_PI * ny * 1.5)); 00366 EMData *e1 = this_img->unwrap(4, ny * 7 / 16, size, 0, 0, 1); 00367 EMData *e2 = to->unwrap(4, ny * 7 / 16, size, 0, 0, 1); 00368 EMData *cf = e1->calc_ccfx(e2, 0, ny); 00369 00370 float *data = cf->get_data(); 00371 00372 float peak = 0; 00373 int peak_index = 0; 00374 Util::find_max(data, size, &peak, &peak_index); 00375 float a = (float) ((1.0f - 1.0f * peak_index / size) * 180. * 2); 00376 00377 Transform rot; 00378 rot.set_rotation(Dict("type","2d","alpha",(float)(a*180./M_PI))); 00379 EMData* rslt = this_img->process("xform",Dict("transform",&rot)); 00380 rslt->set_attr("xform.align2d",&rot); 00381 // 00382 // Transform* t = get_set_align_attr("xform.align2d",rslt,this_img); 00383 // t->set_rotation(Dict("type","2d","alpha",-a)); 00384 // 00385 // EMData* result this_img->transform(Dict("type","2d","alpha",(float)(a*180./M_PI))); 00386 // 00387 // cf->set_attr("xform.align2d",t); 00388 // delete t; 00389 // cf->update(); 00390 00391 if( e1 ) 00392 { 00393 delete e1; 00394 e1 = 0; 00395 } 00396 00397 if( e2 ) 00398 { 00399 delete e2; 00400 e2 = 0; 00401 } 00402 00403 if (cf) { 00404 delete cf; 00405 cf = 0; 00406 } 00407 return rslt; 00408 }
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Implements EMAN::Aligner. Definition at line 318 of file aligner.h. 00319 { 00320 return "Performs rotational alignment and works accurately if the image is precentered"; 00321 }
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Get the Aligner's name. Each Aligner is identified by a unique name.
Implements EMAN::Aligner. Definition at line 313 of file aligner.h. 00314 {
00315 return NAME;
00316 }
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Implements EMAN::Aligner. Definition at line 328 of file aligner.h. 00329 {
00330 TypeDict d;
00331 return d;
00332 }
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Definition at line 323 of file aligner.h. 00324 { 00325 return new RotatePrecenterAligner(); 00326 }
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Definition at line 62 of file aligner.cpp. |