#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 5982 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 5992 of file processor.h. 05993 { 05994 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)"; 05995 }
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Get the processor's name. Each processor is identified by a unique name.
Implements EMAN::Processor. Definition at line 5987 of file processor.h. Referenced by process_inplace(). 05988 {
05989 return NAME;
05990 }
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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 6002 of file processor.h. References EMAN::TypeDict::put(). 06003 { 06004 TypeDict d; 06005 d.put("wavelength", EMObject::FLOAT, "cos(2*pi*r/wavelength+phase)"); 06006 d.put("phase", EMObject::FLOAT, "in radians"); 06007 d.put("x", EMObject::FLOAT, "center of the spherical wave"); 06008 d.put("y", EMObject::FLOAT, "center of the spherical wave"); 06009 d.put("z", EMObject::FLOAT, "center of the spherical wave"); 06010 return d; 06011 }
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Definition at line 5997 of file processor.h. 05998 { 05999 return new TestImageSphericalWave(); 06000 }
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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 7181 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. 07182 { 07183 preprocess(image); 07184 07185 if(!params.has_key("wavelength")) { 07186 LOGERR("%s wavelength is required parameter", get_name().c_str()); 07187 throw InvalidParameterException("wavelength parameter is required."); 07188 } 07189 float wavelength = params["wavelength"]; 07190 07191 float phase = 0; 07192 if(params.has_key("phase")) { 07193 phase = params["phase"]; 07194 } 07195 07196 float x = (float)(nx/2); 07197 if (params.has_key("x")) x=params["x"]; 07198 float y = (float)(ny/2); 07199 if (params.has_key("y")) y=params["y"]; 07200 float z = (float)(nz/2); 07201 if (params.has_key("z")) z=params["z"]; 07202 07203 int ndim = image->get_ndim(); 07204 07205 if(ndim==2) { //2D 07206 for(int j=0; j<ny; ++j) { 07207 for(int i=0; i<nx; ++i) { 07208 #ifdef _WIN32 07209 float r=_hypotf(x-(float)i,y-(float)j); 07210 #else 07211 float r=hypot(x-(float)i,y-(float)j); 07212 #endif //_WIN32 07213 if (r<.5) continue; 07214 image->set_value_at(i,j,cos(2*(float)pi*r/wavelength+phase)/r); 07215 } 07216 } 07217 } 07218 else { //3D 07219 for(int k=0; k<nz; ++k) { 07220 for(int j=0; j<ny; ++j) { 07221 for(int i=0; i<nx; ++i) { 07222 float r=Util::hypot3(x-(float)i,y-(float)j,z-(float)k); 07223 if (r<.5) continue; 07224 image->set_value_at(i,j,k,cos(2*(float)pi*r/wavelength+phase)/(r*r)); 07225 } 07226 } 07227 } 07228 } 07229 07230 image->update(); 07231 }
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Definition at line 195 of file processor.cpp. |