#include <processor.h>
Inheritance diagram for EMAN::XGradientProcessor:
Public Member Functions | |
XGradientProcessor () | |
string | get_name () const |
Get the processor's name. | |
void | process_inplace (EMData *image) |
To process an image in-place. | |
string | get_desc () const |
Get the descrition of this specific processor. | |
TypeDict | get_param_types () const |
Get processor parameter information in a dictionary. | |
Static Public Member Functions | |
static Processor * | NEW () |
Static Public Attributes | |
static const string | NAME = "math.edge.xgradient" |
Definition at line 529 of file processor.h.
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Definition at line 532 of file processor.h. Referenced by NEW().
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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 546 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 534 of file processor.h. References NAME. 00535 { 00536 return NAME; 00537 }
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Get processor parameter information in a dictionary. Each parameter has one record in the dictionary. Each record contains its name, data-type, and description.
Reimplemented from EMAN::Processor. Definition at line 551 of file processor.h. 00552 { 00553 TypeDict d; 00554 return d; 00555 }
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Definition at line 541 of file processor.h. References XGradientProcessor(). 00542 { 00543 return new XGradientProcessor(); 00544 }
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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 9242 of file processor.cpp. References EMAN::EMData::clip_inplace(), EMAN::EMData::get_xsize(), EMAN::EMData::get_ysize(), EMAN::EMData::get_zsize(), ImageDimensionException, ImageFormatException, EMAN::EMData::is_complex(), EMAN::EMData::process_inplace(), EMAN::EMData::set_size(), and EMAN::EMData::set_value_at(). 09243 { 09244 if (image->is_complex()) throw ImageFormatException("Cannot edge detect a complex image"); 09245 09246 EMData* e = new EMData(); 09247 int nx = image->get_xsize(); 09248 int ny = image->get_ysize(); 09249 int nz = image->get_zsize(); 09250 09251 if ( nz == 1 && ny == 1 ) { 09252 if ( nx < 3 ) throw ImageDimensionException("Error - cannot edge detect an image with less than three pixels"); 09253 09254 e->set_size(3,1,1); 09255 e->set_value_at(0,-1); 09256 e->set_value_at(2, 1); 09257 09258 Region r = Region(-nx/2+1,nx); 09259 e->clip_inplace(r); 09260 } else if ( nz == 1 ) { 09261 if ( nx < 3 || ny < 3 ) throw ImageDimensionException("Error - cannot edge detect an image with less than three pixels"); 09262 e->set_size(3,3,1); 09263 e->set_value_at(0,0,-1); 09264 e->set_value_at(0,1,-2); 09265 e->set_value_at(0,2,-1); 09266 09267 e->set_value_at(2,0,1); 09268 e->set_value_at(2,1,2); 09269 e->set_value_at(2,2,1); 09270 Region r = Region(-nx/2+1,-ny/2+1,nx,ny); 09271 e->clip_inplace(r); 09272 } else { 09273 if ( nx < 3 || ny < 3 || nz < 3) throw ImageDimensionException("Error - cannot edge detect an image with less than three pixels"); 09274 e->set_size(3,3,3); 09275 e->set_value_at(0,0,0,-1); 09276 e->set_value_at(0,1,0,-1); 09277 e->set_value_at(0,2,0,-1); 09278 e->set_value_at(0,0,1,-1); 09279 e->set_value_at(0,1,1,-8); 09280 e->set_value_at(0,2,1,-1); 09281 e->set_value_at(0,0,2,-1); 09282 e->set_value_at(0,1,2,-1); 09283 e->set_value_at(0,2,2,-1); 09284 09285 e->set_value_at(2,0,0,1); 09286 e->set_value_at(2,1,0,1); 09287 e->set_value_at(2,2,0,1); 09288 e->set_value_at(2,0,1,1); 09289 e->set_value_at(2,1,1,8); 09290 e->set_value_at(2,2,1,1); 09291 e->set_value_at(2,0,2,1); 09292 e->set_value_at(2,1,2,1); 09293 e->set_value_at(2,2,2,1); 09294 09295 Region r = Region(-nx/2+1,-ny/2+1,-nz/2+1,nx,ny,nz); 09296 e->clip_inplace(r); 09297 } 09298 09299 Dict conv_parms; 09300 conv_parms["with"] = e; 09301 image->process_inplace("math.convolution", conv_parms); 09302 image->process_inplace("xform.phaseorigin.tocenter"); 09303 09304 delete e; 09305 }
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Definition at line 557 of file processor.h. Referenced by get_name(). |