#include <processor.h>
Inheritance diagram for EMAN::TestImageSinewave:
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. | |
virtual TypeDict | get_param_types () const |
Get processor parameter information in a dictionary. | |
Static Public Member Functions | |
Processor * | NEW () |
Static Public Attributes | |
const string | NAME = "testimage.sinewave" |
wavelength | wavelength in equation sin(x*2*PI/wavelength - phase*180/PI) | |
axis | (optional) specify a major axis for asymmetric features, default x axis | |
phase | (optional) the phase in radians | |
az | (optional) angle in degree. for 2D image, this is the rotated angle of the image, in 3D image, it's az for euler angle. default is zero | |
alt | (optional) angle in degree. only in 3D case, alt for euler angle, default is zero | |
phi | (optional) angle in degree. only in 3D case, phi for euler angle, default is zero |
Definition at line 6110 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 6120 of file processor.h. 06121 { 06122 return "Replace a source image as a sine wave in specified wave length"; 06123 }
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Get the processor's name. Each processor is identified by a unique name.
Implements EMAN::Processor. Definition at line 6115 of file processor.h. Referenced by process_inplace(). 06116 {
06117 return NAME;
06118 }
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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 6130 of file processor.h. References EMAN::TypeDict::put(). 06131 { 06132 TypeDict d; 06133 d.put("wavelength", EMObject::FLOAT, "wavelength in equation sin(x*2*PI/wavelength - phase*180/PI)"); 06134 d.put("axis", EMObject::STRING, "(optional) specify a major axis for asymmetric features, default x axis"); 06135 d.put("phase", EMObject::FLOAT, "(optional) the phase in radians"); 06136 d.put("az", EMObject::FLOAT, "(optional) angle in degree. for 2D image, this is the rotated angle of the image, \ 06137 in 3D image, it's az for euler angle. default is zero"); 06138 d.put("alt", EMObject::FLOAT, "(optional) angle in degree. only in 3D case, alt for euler angle, default is zero"); 06139 d.put("phi", EMObject::FLOAT, "(optional) angle in degree. only in 3D case, phi for euler angle, default is zero"); 06140 return d; 06141 }
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Definition at line 6125 of file processor.h. 06126 { 06127 return new TestImageSinewave(); 06128 }
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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 7298 of file processor.cpp. References EMAN::EMData::get_data(), get_name(), EMAN::EMData::get_ndim(), EMAN::Dict::has_key(), InvalidParameterException, LOGERR, phase(), phi, EMAN::TestImageProcessor::preprocess(), EMAN::EMData::transform(), and EMAN::EMData::update(). 07299 { 07300 preprocess(image); 07301 07302 if(!params.has_key("wavelength")) { 07303 LOGERR("%s wavelength is required parameter", get_name().c_str()); 07304 throw InvalidParameterException("wavelength parameter is required."); 07305 } 07306 float wavelength = params["wavelength"]; 07307 07308 string axis = ""; 07309 if(params.has_key("axis")) { 07310 axis = (const char*)params["axis"]; 07311 } 07312 07313 float phase = 0; 07314 if(params.has_key("phase")) { 07315 phase = params["phase"]; 07316 } 07317 07318 int ndim = image->get_ndim(); 07319 float * dat = image->get_data(); 07320 07321 if(ndim==1) { //1D 07322 for(int i=0; i<nx; ++i, ++dat) { 07323 *dat = sin(i*(2.0f*M_PI/wavelength) + phase); 07324 } 07325 } 07326 else if(ndim==2) { //2D 07327 float alpha = 0; 07328 if(params.has_key("az")) { 07329 alpha = params["az"]; 07330 } 07331 for(int j=0; j<ny; ++j) { 07332 for(int i=0; i<nx; ++i, ++dat) { 07333 if(alpha != 0) { 07334 *dat = sin((i*sin((180-alpha)*M_PI/180)+j*cos((180-alpha)*M_PI/180))*(2.0f*M_PI/wavelength) + phase); 07335 } 07336 else if(axis.compare("y")==0 || axis.compare("Y")==0) { 07337 *dat = sin(j*(2.0f*M_PI/wavelength) + phase); 07338 } 07339 else { 07340 *dat = sin(i*(2.0f*M_PI/wavelength) + phase); 07341 } 07342 } 07343 } 07344 } 07345 else { //3D 07346 float az = 0; 07347 if(params.has_key("az")) { 07348 az = params["az"]; 07349 } 07350 float alt = 0; 07351 if(params.has_key("alt")) { 07352 alt = params["alt"]; 07353 } 07354 float phi = 0; 07355 if(params.has_key("phi")) { 07356 phi = params["phi"]; 07357 } 07358 07359 for(int k=0; k<nz; ++k) { 07360 for(int j=0; j<ny; ++j) { 07361 for(int i=0; i<nx; ++i, ++dat) { 07362 if(axis.compare("z")==0 || axis.compare("Z")==0) { 07363 *dat = sin(k*(2.0f*M_PI/wavelength) + phase); 07364 } 07365 else if(axis.compare("y")==0 || axis.compare("Y")==0) { 07366 *dat = sin(j*(2.0f*M_PI/wavelength) + phase); 07367 } 07368 else { 07369 *dat = sin(i*(2.0f*M_PI/wavelength) + phase); 07370 } 07371 } 07372 } 07373 } 07374 07375 if(az != 0 || alt != 0 || phi != 0) { 07376 Dict d("type","eman"); 07377 d["az"] = az; d["phi"] = phi; d["alt"] = alt; 07378 image->transform(Transform(d)); 07379 } 07380 } 07381 07382 image->update(); 07383 }
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Definition at line 199 of file processor.cpp. |