#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 6025 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 6035 of file processor.h. 06036 { 06037 return "Replace a source image as a sine wave in specified wave length"; 06038 }
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Get the processor's name. Each processor is identified by a unique name.
Implements EMAN::Processor. Definition at line 6030 of file processor.h. Referenced by process_inplace(). 06031 {
06032 return NAME;
06033 }
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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 6045 of file processor.h. References EMAN::TypeDict::put(). 06046 { 06047 TypeDict d; 06048 d.put("wavelength", EMObject::FLOAT, "wavelength in equation sin(x*2*PI/wavelength - phase*180/PI)"); 06049 d.put("axis", EMObject::STRING, "(optional) specify a major axis for asymmetric features, default x axis"); 06050 d.put("phase", EMObject::FLOAT, "(optional) the phase in radians"); 06051 d.put("az", EMObject::FLOAT, "(optional) angle in degree. for 2D image, this is the rotated angle of the image, \ 06052 in 3D image, it's az for euler angle. default is zero"); 06053 d.put("alt", EMObject::FLOAT, "(optional) angle in degree. only in 3D case, alt for euler angle, default is zero"); 06054 d.put("phi", EMObject::FLOAT, "(optional) angle in degree. only in 3D case, phi for euler angle, default is zero"); 06055 return d; 06056 }
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Definition at line 6040 of file processor.h. 06041 { 06042 return new TestImageSinewave(); 06043 }
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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 7234 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(). 07235 { 07236 preprocess(image); 07237 07238 if(!params.has_key("wavelength")) { 07239 LOGERR("%s wavelength is required parameter", get_name().c_str()); 07240 throw InvalidParameterException("wavelength parameter is required."); 07241 } 07242 float wavelength = params["wavelength"]; 07243 07244 string axis = ""; 07245 if(params.has_key("axis")) { 07246 axis = (const char*)params["axis"]; 07247 } 07248 07249 float phase = 0; 07250 if(params.has_key("phase")) { 07251 phase = params["phase"]; 07252 } 07253 07254 int ndim = image->get_ndim(); 07255 float * dat = image->get_data(); 07256 07257 if(ndim==1) { //1D 07258 for(int i=0; i<nx; ++i, ++dat) { 07259 *dat = sin(i*(2.0f*M_PI/wavelength) + phase); 07260 } 07261 } 07262 else if(ndim==2) { //2D 07263 float alpha = 0; 07264 if(params.has_key("az")) { 07265 alpha = params["az"]; 07266 } 07267 for(int j=0; j<ny; ++j) { 07268 for(int i=0; i<nx; ++i, ++dat) { 07269 if(alpha != 0) { 07270 *dat = sin((i*sin((180-alpha)*M_PI/180)+j*cos((180-alpha)*M_PI/180))*(2.0f*M_PI/wavelength) + phase); 07271 } 07272 else if(axis.compare("y")==0 || axis.compare("Y")==0) { 07273 *dat = sin(j*(2.0f*M_PI/wavelength) + phase); 07274 } 07275 else { 07276 *dat = sin(i*(2.0f*M_PI/wavelength) + phase); 07277 } 07278 } 07279 } 07280 } 07281 else { //3D 07282 float az = 0; 07283 if(params.has_key("az")) { 07284 az = params["az"]; 07285 } 07286 float alt = 0; 07287 if(params.has_key("alt")) { 07288 alt = params["alt"]; 07289 } 07290 float phi = 0; 07291 if(params.has_key("phi")) { 07292 phi = params["phi"]; 07293 } 07294 07295 for(int k=0; k<nz; ++k) { 07296 for(int j=0; j<ny; ++j) { 07297 for(int i=0; i<nx; ++i, ++dat) { 07298 if(axis.compare("z")==0 || axis.compare("Z")==0) { 07299 *dat = sin(k*(2.0f*M_PI/wavelength) + phase); 07300 } 07301 else if(axis.compare("y")==0 || axis.compare("Y")==0) { 07302 *dat = sin(j*(2.0f*M_PI/wavelength) + phase); 07303 } 07304 else { 07305 *dat = sin(i*(2.0f*M_PI/wavelength) + phase); 07306 } 07307 } 07308 } 07309 } 07310 07311 if(az != 0 || alt != 0 || phi != 0) { 07312 Dict d("type","eman"); 07313 d["az"] = az; d["phi"] = phi; d["alt"] = alt; 07314 image->transform(Transform(d)); 07315 } 07316 } 07317 07318 image->update(); 07319 }
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Definition at line 196 of file processor.cpp. |