#include <processor.h>
Inheritance diagram for EMAN::RotationalAverageProcessor:
Public Member Functions | |
void | process_inplace (EMData *image) |
To process an image in-place. | |
string | get_name () const |
Get the processor's name. | |
string | get_desc () const |
Get the descrition of this specific processor. | |
Static Public Member Functions | |
static Processor * | NEW () |
Static Public Attributes | |
static const string | NAME = "math.rotationalaverage" |
Definition at line 4443 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 4458 of file processor.h.
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Get the processor's name. Each processor is identified by a unique name.
Implements EMAN::Processor. Definition at line 4448 of file processor.h. References NAME. 04449 { 04450 return NAME; 04451 }
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Definition at line 4453 of file processor.h. 04454 { 04455 return new RotationalAverageProcessor(); 04456 }
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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 4207 of file processor.cpp. References EMAN::EMData::calc_radial_dist(), dist(), EMAN::Util::fast_floor(), EMAN::EMData::get_data(), EMAN::EMData::get_ndim(), EMAN::EMData::get_xsize(), EMAN::EMData::get_ysize(), EMAN::EMData::get_zsize(), EMAN::Util::hypot3(), ImageDimensionException, EMAN::EMData::is_complex(), LOGWARN, rdata, EMAN::EMData::update(), and x. 04208 { 04209 if (!image || image->is_complex()) { 04210 LOGWARN("only works on real image. do nothing."); 04211 return; 04212 } 04213 04214 if (image->get_ndim() <= 0 || image->get_ndim() > 3) throw ImageDimensionException("radial average processor only works for 2D and 3D images"); 04215 04216 float *rdata = image->get_data(); 04217 int nx = image->get_xsize(); 04218 int ny = image->get_ysize(); 04219 04220 vector < float >dist = image->calc_radial_dist(nx / 2, 0, 1,0); 04221 04222 float midx = (float)((int)nx/2); 04223 float midy = (float)((int)ny/2); 04224 04225 size_t c = 0; 04226 if (image->get_ndim() == 2) { 04227 for (int y = 0; y < ny; y++) { 04228 for (int x = 0; x < nx; x++, c++) { 04229 #ifdef _WIN32 04230 float r = (float) _hypot(x - midx, y - midy); 04231 #else 04232 float r = (float) hypot(x - midx, y - midy); 04233 #endif //_WIN32 04234 04235 04236 int i = (int) floor(r); 04237 r -= i; 04238 if (i >= 0 && i < nx / 2 - 1) { 04239 rdata[c] = dist[i] * (1.0f - r) + dist[i + 1] * r; 04240 } 04241 else if (i < 0) { 04242 rdata[c] = dist[0]; 04243 } 04244 else { 04245 rdata[c] = 0; 04246 } 04247 } 04248 } 04249 } 04250 else if (image->get_ndim() == 3) { 04251 int nz = image->get_zsize(); 04252 float midz = (float)((int)nz/2); 04253 float r; 04254 int i; 04255 for (int z = 0; z < nz; ++z) { 04256 for (int y = 0; y < ny; ++y) { 04257 for (int x = 0; x < nx; ++x, ++c) { 04258 04259 r = (float) Util::hypot3(x - midx, y - midy, z - midz); 04260 04261 i = Util::fast_floor(r); 04262 r -= i; 04263 if (i >= 0 && i < nx / 2 - 1) { 04264 rdata[c] = dist[i] * (1.0f - r) + dist[i + 1] * r; 04265 } 04266 else if (i < 0) { 04267 rdata[c] = dist[0]; 04268 } 04269 else { 04270 rdata[c] = 0; 04271 } 04272 } 04273 } 04274 } 04275 } 04276 04277 image->update(); 04278 }
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Definition at line 4463 of file processor.h. Referenced by get_name(). |