#include <processor.h>
Inheritance diagram for EMAN::RotationalSubstractProcessor:
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. | |
Static Public Member Functions | |
static Processor * | NEW () |
Static Public Attributes | |
static const string | NAME = "math.rotationalsubtract" |
Definition at line 4509 of file processor.h.
virtual string EMAN::RotationalSubstractProcessor::get_desc | ( | ) | const [inline, virtual] |
Get the descrition of this specific processor.
This function must be overwritten by a subclass.
Implements EMAN::Processor.
Definition at line 4524 of file processor.h.
virtual string EMAN::RotationalSubstractProcessor::get_name | ( | ) | const [inline, virtual] |
Get the processor's name.
Each processor is identified by a unique name.
Implements EMAN::Processor.
Definition at line 4514 of file processor.h.
References NAME.
04515 { 04516 return NAME; 04517 }
static Processor* EMAN::RotationalSubstractProcessor::NEW | ( | ) | [inline, static] |
Definition at line 4519 of file processor.h.
04520 { 04521 return new RotationalSubstractProcessor(); 04522 }
void RotationalSubstractProcessor::process_inplace | ( | EMData * | image | ) | [virtual] |
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.
image | The image to be processed. |
Implements EMAN::Processor.
Definition at line 4322 of file processor.cpp.
References EMAN::EMData::calc_radial_dist(), dist(), EMAN::EMData::get_data(), EMAN::EMData::get_ndim(), EMAN::EMData::get_xsize(), EMAN::EMData::get_ysize(), ImageDimensionException, EMAN::EMData::is_complex(), LOGWARN, rdata, EMAN::EMData::update(), and x.
04323 { 04324 if (!image || image->is_complex()) { 04325 LOGWARN("only works on real image. do nothing."); 04326 return; 04327 } 04328 04329 if (image->get_ndim() != 2) throw ImageDimensionException("This processor works only for 2D images"); 04330 04331 float *rdata = image->get_data(); 04332 int nx = image->get_xsize(); 04333 int ny = image->get_ysize(); 04334 04335 vector < float >dist = image->calc_radial_dist(nx / 2, 0, 1,0); 04336 04337 int c = 0; 04338 for (int y = 0; y < ny; y++) { 04339 for (int x = 0; x < nx; x++, c++) { 04340 #ifdef _WIN32 04341 float r = (float) _hypot(x - nx / 2, y - ny / 2); 04342 #else 04343 float r = (float) hypot(x - nx / 2, y - ny / 2); 04344 #endif 04345 int i = (int) floor(r); 04346 r -= i; 04347 if (i >= 0 && i < nx / 2 - 1) { 04348 rdata[c] -= dist[i] * (1.0f - r) + dist[i + 1] * r; 04349 } 04350 else { 04351 rdata[c] = 0; 04352 } 04353 } 04354 } 04355 04356 image->update(); 04357 }
const string RotationalSubstractProcessor::NAME = "math.rotationalsubtract" [static] |