#include <processor.h>
Inheritance diagram for EMAN::TestImageSinewaveCircular:
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.circular" |
wavelength | float this value is the d in function |sin(x/d)| | |
axis | char (optional) specify a major axis for asymmetric features | |
c | distance (optional) float between focus and the center of an ellipse | |
phase | degree (optional) phase for sine wave, default is 0 |
Definition at line 6239 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 6249 of file processor.h. 06250 { 06251 return "Replace a source image as a circular sine wave in specified wave length"; 06252 }
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Get the processor's name. Each processor is identified by a unique name.
Implements EMAN::Processor. Definition at line 6244 of file processor.h. 06245 {
06246 return NAME;
06247 }
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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 6259 of file processor.h. References EMAN::TypeDict::put(). 06260 { 06261 TypeDict d; 06262 d.put("wavelength", EMObject::FLOAT, "(required)this value is the d in function |sin(x/d)|, unit: pixel"); 06263 d.put("axis", EMObject::STRING, "specify a major axis for asymmetric features"); 06264 d.put("c", EMObject::FLOAT, "distance between focus and the center of an ellipse"); 06265 d.put("phase", EMObject::FLOAT, "(optional)phase for sine wave, default is 0"); 06266 return d; 06267 }
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Definition at line 6254 of file processor.h. 06255 { 06256 return new TestImageSinewaveCircular(); 06257 }
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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 7285 of file processor.cpp. References EMAN::EMData::get_data(), InvalidValueException, nx, ny, phase(), EMAN::TestImageProcessor::preprocess(), sqrt(), and EMAN::EMData::update(). 07286 { 07287 preprocess(image); 07288 07289 float wavelength = params["wavelength"]; 07290 string axis = (const char*)params["axis"]; 07291 float c = params["c"]; 07292 float phase = params["phase"]; 07293 07294 float *dat = image->get_data(); 07295 float r; //this is the distance of pixel from the image center(nx/2, ny/2, nz/2) 07296 float x2, y2, z2; //this is the coordinates of this pixel from image center 07297 for (int k = 0; k < nz; ++k) { 07298 for (int j = 0; j < ny; ++j) { 07299 for (int i = 0; i < nx; ++i, ++dat) { 07300 x2 = (float)( i - nx/2 ); 07301 y2 = (float)( j - ny/2 ); 07302 z2 = (float)( k - nz/2 ); 07303 if(axis == ""){ 07304 r = (float)sqrt(x2*x2+y2*y2+z2*z2); 07305 } 07306 else if(axis == "x"){ 07307 float lc = -c; 07308 float rc = c; 07309 r = ( (float)sqrt((x2-lc)*(x2-lc)+y2*y2+z2*z2) + 07310 (float)sqrt((x2-rc)*(x2-rc)+y2*y2+z2*z2) ) /2.0f - c; 07311 } 07312 else if(axis == "y"){ 07313 float lc = -c; 07314 float rc = c; 07315 r = ( (float)sqrt(x2*x2+(y2-lc)*(y2-lc)+z2*z2) + 07316 (float)sqrt(x2*x2+(y2-rc)*(y2-rc)+z2*z2) ) /2.0f - c; 07317 } 07318 else if(axis == "z"){ 07319 if( nz == 1 ){ 07320 throw InvalidValueException(0, "This is a 2D image, no asymmetric feature for z axis"); 07321 } 07322 float lc = -c; 07323 float rc = c; 07324 r = ( (float)sqrt(x2*x2+y2*y2+(z2-lc)*(z2-lc)) + 07325 (float)sqrt(x2*x2+y2*y2+(z2-rc)*(z2-rc)) ) /2.0f - c; 07326 } 07327 else{ 07328 throw InvalidValueException(0, "please specify a valid axis for asymmetric features"); 07329 } 07330 *dat = sin( r * (2.0f*M_PI/wavelength) - phase*180/M_PI); 07331 } 07332 } 07333 } 07334 07335 image->update(); 07336 }
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Definition at line 202 of file processor.cpp. |