#include <processor.h>
Inheritance diagram for EMAN::TestImageSphericalWave:
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.sphericalwave" |
wavelength | cos(2*pi*r/wavelength+phase) | |
phase | in radians | |
x | center of the spherical wave | |
y | center of the spherical wave | |
z | center of the spherical wave |
Definition at line 6192 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 6202 of file processor.h. 06203 { 06204 return "Replace a source image in 2d or 3d with a spherical wave cos(2*pi*r/wavelength+phase) also 1/r (2d) or 1/r^2 (3d)"; 06205 }
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Get the processor's name. Each processor is identified by a unique name.
Implements EMAN::Processor. Definition at line 6197 of file processor.h. Referenced by process_inplace(). 06198 {
06199 return NAME;
06200 }
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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 6212 of file processor.h. References EMAN::TypeDict::put(). 06213 { 06214 TypeDict d; 06215 d.put("wavelength", EMObject::FLOAT, "cos(2*pi*r/wavelength+phase)"); 06216 d.put("phase", EMObject::FLOAT, "in radians"); 06217 d.put("x", EMObject::FLOAT, "center of the spherical wave"); 06218 d.put("y", EMObject::FLOAT, "center of the spherical wave"); 06219 d.put("z", EMObject::FLOAT, "center of the spherical wave"); 06220 return d; 06221 }
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Definition at line 6207 of file processor.h. 06208 { 06209 return new TestImageSphericalWave(); 06210 }
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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 7361 of file processor.cpp. References get_name(), EMAN::EMData::get_ndim(), EMAN::Dict::has_key(), EMAN::Util::hypot3(), InvalidParameterException, LOGERR, nx, ny, phase(), pi, EMAN::TestImageProcessor::preprocess(), EMAN::EMData::set_value_at(), EMAN::EMData::update(), x, and y. 07362 { 07363 preprocess(image); 07364 07365 if(!params.has_key("wavelength")) { 07366 LOGERR("%s wavelength is required parameter", get_name().c_str()); 07367 throw InvalidParameterException("wavelength parameter is required."); 07368 } 07369 float wavelength = params["wavelength"]; 07370 07371 float phase = 0; 07372 if(params.has_key("phase")) { 07373 phase = params["phase"]; 07374 } 07375 07376 float x = (float)(nx/2); 07377 if (params.has_key("x")) x=params["x"]; 07378 float y = (float)(ny/2); 07379 if (params.has_key("y")) y=params["y"]; 07380 float z = (float)(nz/2); 07381 if (params.has_key("z")) z=params["z"]; 07382 07383 int ndim = image->get_ndim(); 07384 07385 if(ndim==2) { //2D 07386 for(int j=0; j<ny; ++j) { 07387 for(int i=0; i<nx; ++i) { 07388 #ifdef _WIN32 07389 float r=_hypotf(x-(float)i,y-(float)j); 07390 #else 07391 float r=hypot(x-(float)i,y-(float)j); 07392 #endif //_WIN32 07393 if (r<.5) continue; 07394 image->set_value_at(i,j,cos(2*(float)pi*r/wavelength+phase)/r); 07395 } 07396 } 07397 } 07398 else { //3D 07399 for(int k=0; k<nz; ++k) { 07400 for(int j=0; j<ny; ++j) { 07401 for(int i=0; i<nx; ++i) { 07402 float r=Util::hypot3(x-(float)i,y-(float)j,z-(float)k); 07403 if (r<.5) continue; 07404 image->set_value_at(i,j,k,cos(2*(float)pi*r/wavelength+phase)/(r*r)); 07405 } 07406 } 07407 } 07408 } 07409 07410 image->update(); 07411 }
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Definition at line 200 of file processor.cpp. |