#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 6280 of file processor.h.
|
Get the descrition of this specific processor. This function must be overwritten by a subclass.
Implements EMAN::Processor. Definition at line 6290 of file processor.h. 06291 { 06292 return "Replace a source image as a circular sine wave in specified wave length"; 06293 }
|
|
Get the processor's name. Each processor is identified by a unique name.
Implements EMAN::Processor. Definition at line 6285 of file processor.h. References NAME. 06286 { 06287 return NAME; 06288 }
|
|
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 6300 of file processor.h. References EMAN::EMObject::FLOAT, EMAN::TypeDict::put(), and EMAN::EMObject::STRING. 06301 { 06302 TypeDict d; 06303 d.put("wavelength", EMObject::FLOAT, "(required)this value is the d in function |sin(x/d)|, unit: pixel"); 06304 d.put("axis", EMObject::STRING, "specify a major axis for asymmetric features"); 06305 d.put("c", EMObject::FLOAT, "distance between focus and the center of an ellipse"); 06306 d.put("phase", EMObject::FLOAT, "(optional)phase for sine wave, default is 0"); 06307 return d; 06308 }
|
|
Definition at line 6295 of file processor.h. 06296 { 06297 return new TestImageSinewaveCircular(); 06298 }
|
|
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 7423 of file processor.cpp. References EMAN::EMData::get_data(), InvalidValueException, EMAN::Processor::params, phase(), EMAN::TestImageProcessor::preprocess(), sqrt(), and EMAN::EMData::update(). 07424 { 07425 preprocess(image); 07426 07427 float wavelength = params["wavelength"]; 07428 string axis = (const char*)params["axis"]; 07429 float c = params["c"]; 07430 float phase = params["phase"]; 07431 07432 float *dat = image->get_data(); 07433 float r; //this is the distance of pixel from the image center(nx/2, ny/2, nz/2) 07434 float x2, y2, z2; //this is the coordinates of this pixel from image center 07435 for (int k = 0; k < nz; ++k) { 07436 for (int j = 0; j < ny; ++j) { 07437 for (int i = 0; i < nx; ++i, ++dat) { 07438 x2 = (float)( i - nx/2 ); 07439 y2 = (float)( j - ny/2 ); 07440 z2 = (float)( k - nz/2 ); 07441 if(axis == ""){ 07442 r = (float)sqrt(x2*x2+y2*y2+z2*z2); 07443 } 07444 else if(axis == "x"){ 07445 float lc = -c; 07446 float rc = c; 07447 r = ( (float)sqrt((x2-lc)*(x2-lc)+y2*y2+z2*z2) + 07448 (float)sqrt((x2-rc)*(x2-rc)+y2*y2+z2*z2) ) /2.0f - c; 07449 } 07450 else if(axis == "y"){ 07451 float lc = -c; 07452 float rc = c; 07453 r = ( (float)sqrt(x2*x2+(y2-lc)*(y2-lc)+z2*z2) + 07454 (float)sqrt(x2*x2+(y2-rc)*(y2-rc)+z2*z2) ) /2.0f - c; 07455 } 07456 else if(axis == "z"){ 07457 if( nz == 1 ){ 07458 throw InvalidValueException(0, "This is a 2D image, no asymmetric feature for z axis"); 07459 } 07460 float lc = -c; 07461 float rc = c; 07462 r = ( (float)sqrt(x2*x2+y2*y2+(z2-lc)*(z2-lc)) + 07463 (float)sqrt(x2*x2+y2*y2+(z2-rc)*(z2-rc)) ) /2.0f - c; 07464 } 07465 else{ 07466 throw InvalidValueException(0, "please specify a valid axis for asymmetric features"); 07467 } 07468 *dat = sin( r * (2.0f*M_PI/wavelength) - phase*180/M_PI); 07469 } 07470 } 07471 } 07472 07473 image->update(); 07474 }
|
|
Definition at line 6310 of file processor.h. Referenced by get_name(). |