#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 4368 of file processor.h.
string EMAN::RotationalAverageProcessor::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 4383 of file processor.h.
string EMAN::RotationalAverageProcessor::get_name | ( | ) | const [inline, virtual] |
Get the processor's name.
Each processor is identified by a unique name.
Implements EMAN::Processor.
Definition at line 4373 of file processor.h.
References NAME.
04374 { 04375 return NAME; 04376 }
static Processor* EMAN::RotationalAverageProcessor::NEW | ( | ) | [inline, static] |
Definition at line 4378 of file processor.h.
04379 { 04380 return new RotationalAverageProcessor(); 04381 }
void RotationalAverageProcessor::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 4126 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.
04127 { 04128 if (!image || image->is_complex()) { 04129 LOGWARN("only works on real image. do nothing."); 04130 return; 04131 } 04132 04133 if (image->get_ndim() <= 0 || image->get_ndim() > 3) throw ImageDimensionException("radial average processor only works for 2D and 3D images"); 04134 04135 float *rdata = image->get_data(); 04136 int nx = image->get_xsize(); 04137 int ny = image->get_ysize(); 04138 04139 vector < float >dist = image->calc_radial_dist(nx / 2, 0, 1,0); 04140 04141 float midx = (float)((int)nx/2); 04142 float midy = (float)((int)ny/2); 04143 04144 size_t c = 0; 04145 if (image->get_ndim() == 2) { 04146 for (int y = 0; y < ny; y++) { 04147 for (int x = 0; x < nx; x++, c++) { 04148 #ifdef _WIN32 04149 float r = (float) _hypot(x - midx, y - midy); 04150 #else 04151 float r = (float) hypot(x - midx, y - midy); 04152 #endif //_WIN32 04153 04154 04155 int i = (int) floor(r); 04156 r -= i; 04157 if (i >= 0 && i < nx / 2 - 1) { 04158 rdata[c] = dist[i] * (1.0f - r) + dist[i + 1] * r; 04159 } 04160 else if (i < 0) { 04161 rdata[c] = dist[0]; 04162 } 04163 else { 04164 rdata[c] = 0; 04165 } 04166 } 04167 } 04168 } 04169 else if (image->get_ndim() == 3) { 04170 int nz = image->get_zsize(); 04171 float midz = (float)((int)nz/2); 04172 float r; 04173 int i; 04174 for (int z = 0; z < nz; ++z) { 04175 for (int y = 0; y < ny; ++y) { 04176 for (int x = 0; x < nx; ++x, ++c) { 04177 04178 r = (float) Util::hypot3(x - midx, y - midy, z - midz); 04179 04180 i = Util::fast_floor(r); 04181 r -= i; 04182 if (i >= 0 && i < nx / 2 - 1) { 04183 rdata[c] = dist[i] * (1.0f - r) + dist[i + 1] * r; 04184 } 04185 else if (i < 0) { 04186 rdata[c] = dist[0]; 04187 } 04188 else { 04189 rdata[c] = 0; 04190 } 04191 } 04192 } 04193 } 04194 } 04195 04196 image->update(); 04197 }
const string RotationalAverageProcessor::NAME = "math.rotationalaverage" [static] |