#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 | |
static Processor * | NEW () |
Static Public Attributes | |
static 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 6208 of file processor.h.
virtual string EMAN::TestImageSinewaveCircular::get_desc | ( | ) | const [inline, virtual] |
Get the descrition of this specific processor.
This function must be overwritten by a subclass.
Implements EMAN::Processor.
Definition at line 6218 of file processor.h.
06219 { 06220 return "Replace a source image as a circular sine wave in specified wave length"; 06221 }
virtual string EMAN::TestImageSinewaveCircular::get_name | ( | ) | const [inline, virtual] |
Get the processor's name.
Each processor is identified by a unique name.
Implements EMAN::Processor.
Definition at line 6213 of file processor.h.
References NAME.
06214 { 06215 return NAME; 06216 }
virtual TypeDict EMAN::TestImageSinewaveCircular::get_param_types | ( | ) | const [inline, virtual] |
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 6228 of file processor.h.
References EMAN::EMObject::FLOAT, EMAN::TypeDict::put(), and EMAN::EMObject::STRING.
06229 { 06230 TypeDict d; 06231 d.put("wavelength", EMObject::FLOAT, "(required)this value is the d in function |sin(x/d)|, unit: pixel"); 06232 d.put("axis", EMObject::STRING, "specify a major axis for asymmetric features"); 06233 d.put("c", EMObject::FLOAT, "distance between focus and the center of an ellipse"); 06234 d.put("phase", EMObject::FLOAT, "(optional)phase for sine wave, default is 0"); 06235 return d; 06236 }
static Processor* EMAN::TestImageSinewaveCircular::NEW | ( | ) | [inline, static] |
Definition at line 6223 of file processor.h.
06224 { 06225 return new TestImageSinewaveCircular(); 06226 }
void TestImageSinewaveCircular::process_inplace | ( | EMData * | image | ) | [virtual] |
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.
image | The image to be processed. |
Implements EMAN::Processor.
Definition at line 7387 of file processor.cpp.
References EMAN::EMData::get_data(), InvalidValueException, EMAN::Processor::params, phase(), EMAN::TestImageProcessor::preprocess(), sqrt(), and EMAN::EMData::update().
07388 { 07389 preprocess(image); 07390 07391 float wavelength = params["wavelength"]; 07392 string axis = (const char*)params["axis"]; 07393 float c = params["c"]; 07394 float phase = params["phase"]; 07395 07396 float *dat = image->get_data(); 07397 float r; //this is the distance of pixel from the image center(nx/2, ny/2, nz/2) 07398 float x2, y2, z2; //this is the coordinates of this pixel from image center 07399 for (int k = 0; k < nz; ++k) { 07400 for (int j = 0; j < ny; ++j) { 07401 for (int i = 0; i < nx; ++i, ++dat) { 07402 x2 = (float)( i - nx/2 ); 07403 y2 = (float)( j - ny/2 ); 07404 z2 = (float)( k - nz/2 ); 07405 if(axis == ""){ 07406 r = (float)sqrt(x2*x2+y2*y2+z2*z2); 07407 } 07408 else if(axis == "x"){ 07409 float lc = -c; 07410 float rc = c; 07411 r = ( (float)sqrt((x2-lc)*(x2-lc)+y2*y2+z2*z2) + 07412 (float)sqrt((x2-rc)*(x2-rc)+y2*y2+z2*z2) ) /2.0f - c; 07413 } 07414 else if(axis == "y"){ 07415 float lc = -c; 07416 float rc = c; 07417 r = ( (float)sqrt(x2*x2+(y2-lc)*(y2-lc)+z2*z2) + 07418 (float)sqrt(x2*x2+(y2-rc)*(y2-rc)+z2*z2) ) /2.0f - c; 07419 } 07420 else if(axis == "z"){ 07421 if( nz == 1 ){ 07422 throw InvalidValueException(0, "This is a 2D image, no asymmetric feature for z axis"); 07423 } 07424 float lc = -c; 07425 float rc = c; 07426 r = ( (float)sqrt(x2*x2+y2*y2+(z2-lc)*(z2-lc)) + 07427 (float)sqrt(x2*x2+y2*y2+(z2-rc)*(z2-rc)) ) /2.0f - c; 07428 } 07429 else{ 07430 throw InvalidValueException(0, "please specify a valid axis for asymmetric features"); 07431 } 07432 *dat = sin( r * (2.0f*M_PI/wavelength) - phase*180/M_PI); 07433 } 07434 } 07435 } 07436 07437 image->update(); 07438 }
const string TestImageSinewaveCircular::NAME = "testimage.sinewave.circular" [static] |