#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 6277 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 6287 of file processor.h.
06288 { 06289 return "Replace a source image as a circular sine wave in specified wave length"; 06290 }
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 6282 of file processor.h.
References NAME.
06283 { 06284 return NAME; 06285 }
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 6297 of file processor.h.
References EMAN::EMObject::FLOAT, EMAN::TypeDict::put(), and EMAN::EMObject::STRING.
06298 { 06299 TypeDict d; 06300 d.put("wavelength", EMObject::FLOAT, "(required)this value is the d in function |sin(x/d)|, unit: pixel"); 06301 d.put("axis", EMObject::STRING, "specify a major axis for asymmetric features"); 06302 d.put("c", EMObject::FLOAT, "distance between focus and the center of an ellipse"); 06303 d.put("phase", EMObject::FLOAT, "(optional)phase for sine wave, default is 0"); 06304 return d; 06305 }
static Processor* EMAN::TestImageSinewaveCircular::NEW | ( | ) | [inline, static] |
Definition at line 6292 of file processor.h.
06293 { 06294 return new TestImageSinewaveCircular(); 06295 }
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 7501 of file processor.cpp.
References EMAN::EMData::get_data(), InvalidValueException, EMAN::Processor::params, phase(), EMAN::TestImageProcessor::preprocess(), sqrt(), and EMAN::EMData::update().
07502 { 07503 preprocess(image); 07504 07505 float wavelength = params["wavelength"]; 07506 string axis = (const char*)params["axis"]; 07507 float c = params["c"]; 07508 float phase = params["phase"]; 07509 07510 float *dat = image->get_data(); 07511 float r; //this is the distance of pixel from the image center(nx/2, ny/2, nz/2) 07512 float x2, y2, z2; //this is the coordinates of this pixel from image center 07513 for (int k = 0; k < nz; ++k) { 07514 for (int j = 0; j < ny; ++j) { 07515 for (int i = 0; i < nx; ++i, ++dat) { 07516 x2 = (float)( i - nx/2 ); 07517 y2 = (float)( j - ny/2 ); 07518 z2 = (float)( k - nz/2 ); 07519 if(axis == ""){ 07520 r = (float)sqrt(x2*x2+y2*y2+z2*z2); 07521 } 07522 else if(axis == "x"){ 07523 float lc = -c; 07524 float rc = c; 07525 r = ( (float)sqrt((x2-lc)*(x2-lc)+y2*y2+z2*z2) + 07526 (float)sqrt((x2-rc)*(x2-rc)+y2*y2+z2*z2) ) /2.0f - c; 07527 } 07528 else if(axis == "y"){ 07529 float lc = -c; 07530 float rc = c; 07531 r = ( (float)sqrt(x2*x2+(y2-lc)*(y2-lc)+z2*z2) + 07532 (float)sqrt(x2*x2+(y2-rc)*(y2-rc)+z2*z2) ) /2.0f - c; 07533 } 07534 else if(axis == "z"){ 07535 if( nz == 1 ){ 07536 throw InvalidValueException(0, "This is a 2D image, no asymmetric feature for z axis"); 07537 } 07538 float lc = -c; 07539 float rc = c; 07540 r = ( (float)sqrt(x2*x2+y2*y2+(z2-lc)*(z2-lc)) + 07541 (float)sqrt(x2*x2+y2*y2+(z2-rc)*(z2-rc)) ) /2.0f - c; 07542 } 07543 else{ 07544 throw InvalidValueException(0, "please specify a valid axis for asymmetric features"); 07545 } 07546 *dat = sin( r * (2.0f*M_PI/wavelength) - phase*180/M_PI); 07547 } 07548 } 07549 } 07550 07551 image->update(); 07552 }
const string TestImageSinewaveCircular::NAME = "testimage.sinewave.circular" [static] |