#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 352 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(). 00354 {
00355 if (!to) {
00356 return 0;
00357 }
00358
00359 int ny = this_img->get_ysize();
00360 int size = Util::calc_best_fft_size((int) (M_PI * ny * 1.5));
00361 EMData *e1 = this_img->unwrap(4, ny * 7 / 16, size, 0, 0, 1);
00362 EMData *e2 = to->unwrap(4, ny * 7 / 16, size, 0, 0, 1);
00363 EMData *cf = e1->calc_ccfx(e2, 0, ny);
00364
00365 float *data = cf->get_data();
00366
00367 float peak = 0;
00368 int peak_index = 0;
00369 Util::find_max(data, size, &peak, &peak_index);
00370 float a = (float) ((1.0f - 1.0f * peak_index / size) * 180. * 2);
00371
00372 Transform rot;
00373 rot.set_rotation(Dict("type","2d","alpha",(float)(a*180./M_PI)));
00374 EMData* rslt = this_img->process("xform",Dict("transform",&rot));
00375 rslt->set_attr("xform.align2d",&rot);
00376 //
00377 // Transform* t = get_set_align_attr("xform.align2d",rslt,this_img);
00378 // t->set_rotation(Dict("type","2d","alpha",-a));
00379 //
00380 // EMData* result this_img->transform(Dict("type","2d","alpha",(float)(a*180./M_PI)));
00381 //
00382 // cf->set_attr("xform.align2d",t);
00383 // delete t;
00384 // cf->update();
00385
00386 if( e1 )
00387 {
00388 delete e1;
00389 e1 = 0;
00390 }
00391
00392 if( e2 )
00393 {
00394 delete e2;
00395 e2 = 0;
00396 }
00397
00398 if (cf) {
00399 delete cf;
00400 cf = 0;
00401 }
00402 return rslt;
00403 }
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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 61 of file aligner.cpp. |
1.3.9.1