#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 4428 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 4443 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 4433 of file processor.h.
References NAME.
04434 { 04435 return NAME; 04436 }
static Processor* EMAN::RotationalSubstractProcessor::NEW | ( | ) | [inline, static] |
Definition at line 4438 of file processor.h.
04439 { 04440 return new RotationalSubstractProcessor(); 04441 }
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 4175 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.
04176 { 04177 if (!image || image->is_complex()) { 04178 LOGWARN("only works on real image. do nothing."); 04179 return; 04180 } 04181 04182 if (image->get_ndim() != 2) throw ImageDimensionException("This processor works only for 2D images"); 04183 04184 float *rdata = image->get_data(); 04185 int nx = image->get_xsize(); 04186 int ny = image->get_ysize(); 04187 04188 vector < float >dist = image->calc_radial_dist(nx / 2, 0, 1,0); 04189 04190 int c = 0; 04191 for (int y = 0; y < ny; y++) { 04192 for (int x = 0; x < nx; x++, c++) { 04193 #ifdef _WIN32 04194 float r = (float) _hypot(x - nx / 2, y - ny / 2); 04195 #else 04196 float r = (float) hypot(x - nx / 2, y - ny / 2); 04197 #endif 04198 int i = (int) floor(r); 04199 r -= i; 04200 if (i >= 0 && i < nx / 2 - 1) { 04201 rdata[c] -= dist[i] * (1.0f - r) + dist[i + 1] * r; 04202 } 04203 else { 04204 rdata[c] = 0; 04205 } 04206 } 04207 } 04208 04209 image->update(); 04210 }
const string RotationalSubstractProcessor::NAME = "math.rotationalsubtract" [static] |