#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 | |
static Processor * | NEW () |
Static Public Attributes | |
static 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 6155 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 6165 of file processor.h. 06166 { 06167 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)"; 06168 }
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Get the processor's name. Each processor is identified by a unique name.
Implements EMAN::Processor. Definition at line 6160 of file processor.h. References NAME. Referenced by process_inplace(). 06161 { 06162 return NAME; 06163 }
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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 6175 of file processor.h. References EMAN::EMObject::FLOAT, and EMAN::TypeDict::put(). 06176 { 06177 TypeDict d; 06178 d.put("wavelength", EMObject::FLOAT, "cos(2*pi*r/wavelength+phase)"); 06179 d.put("phase", EMObject::FLOAT, "in radians"); 06180 d.put("x", EMObject::FLOAT, "center of the spherical wave"); 06181 d.put("y", EMObject::FLOAT, "center of the spherical wave"); 06182 d.put("z", EMObject::FLOAT, "center of the spherical wave"); 06183 return d; 06184 }
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Definition at line 6170 of file processor.h. 06171 { 06172 return new TestImageSphericalWave(); 06173 }
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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 7176 of file processor.cpp. References get_name(), EMAN::EMData::get_ndim(), EMAN::Dict::has_key(), EMAN::Util::hypot3(), InvalidParameterException, LOGERR, EMAN::Processor::params, phase(), pi, EMAN::TestImageProcessor::preprocess(), EMAN::EMData::set_value_at(), EMAN::EMData::update(), and x. 07177 { 07178 preprocess(image); 07179 07180 if(!params.has_key("wavelength")) { 07181 LOGERR("%s wavelength is required parameter", get_name().c_str()); 07182 throw InvalidParameterException("wavelength parameter is required."); 07183 } 07184 float wavelength = params["wavelength"]; 07185 07186 float phase = 0; 07187 if(params.has_key("phase")) { 07188 phase = params["phase"]; 07189 } 07190 07191 float x = (float)(nx/2); 07192 if (params.has_key("x")) x=params["x"]; 07193 float y = (float)(ny/2); 07194 if (params.has_key("y")) y=params["y"]; 07195 float z = (float)(nz/2); 07196 if (params.has_key("z")) z=params["z"]; 07197 07198 int ndim = image->get_ndim(); 07199 07200 if(ndim==2) { //2D 07201 for(int j=0; j<ny; ++j) { 07202 for(int i=0; i<nx; ++i) { 07203 #ifdef _WIN32 07204 float r=_hypotf(x-(float)i,y-(float)j); 07205 #else 07206 float r=hypot(x-(float)i,y-(float)j); 07207 #endif //_WIN32 07208 if (r<.5) continue; 07209 image->set_value_at(i,j,cos(2*(float)pi*r/wavelength+phase)/r); 07210 } 07211 } 07212 } 07213 else { //3D 07214 for(int k=0; k<nz; ++k) { 07215 for(int j=0; j<ny; ++j) { 07216 for(int i=0; i<nx; ++i) { 07217 float r=Util::hypot3(x-(float)i,y-(float)j,z-(float)k); 07218 if (r<.5) continue; 07219 image->set_value_at(i,j,k,cos(2*(float)pi*r/wavelength+phase)/(r*r)); 07220 } 07221 } 07222 } 07223 } 07224 07225 image->update(); 07226 }
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Definition at line 6186 of file processor.h. Referenced by get_name(). |