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EMAN::TestImageCirclesphere Class Reference

Replace a source image as a circle or sphere depends on 2D or 3D of the source image. More...

#include <processor.h>

Inheritance diagram for EMAN::TestImageCirclesphere:

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Collaboration diagram for EMAN::TestImageCirclesphere:

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List of all members.

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

ProcessorNEW ()

Static Public Attributes

const string NAME = "testimage.circlesphere"

Detailed Description

Replace a source image as a circle or sphere depends on 2D or 3D of the source image.

Parameters:
radius radius of circle or sphere
axis specify a major axis for asymmetric features
c distance between focus and the center of an ellipse
fill answer 'yes' or 'no' to specify if it's filled or hollow, default filled

Definition at line 6445 of file processor.h.


Member Function Documentation

virtual string EMAN::TestImageCirclesphere::get_desc  )  const [inline, virtual]
 

Get the descrition of this specific processor.

This function must be overwritten by a subclass.

Returns:
The description of this processor.

Implements EMAN::Processor.

Definition at line 6455 of file processor.h.

06456                 {
06457                         return "Replace a source image as a circle or sphere depends on 2D or 3D of the source image";
06458                 }

virtual string EMAN::TestImageCirclesphere::get_name  )  const [inline, virtual]
 

Get the processor's name.

Each processor is identified by a unique name.

Returns:
The processor's name.

Implements EMAN::Processor.

Definition at line 6450 of file processor.h.

06451                 {
06452                         return NAME;
06453                 }

virtual TypeDict EMAN::TestImageCirclesphere::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.

Returns:
A dictionary containing the parameter info.

Reimplemented from EMAN::Processor.

Definition at line 6465 of file processor.h.

References EMAN::TypeDict::put().

06466                 {
06467                         TypeDict d;
06468                         d.put("radius", EMObject::FLOAT, "radius of circle or sphere, unit: pixel");
06469                         d.put("axis", EMObject::STRING, "specify a major axis for asymmetric features");
06470                         d.put("c", EMObject::FLOAT, "distance between focus and the center of an ellipse");
06471                         d.put("fill", EMObject::INT, "Flag indicating if image is filled, default filled, 1 for filled, 0 for blank.");
06472                         return d;
06473                 }

Processor* EMAN::TestImageCirclesphere::NEW  )  [inline, static]
 

Definition at line 6460 of file processor.h.

06461                 {
06462                         return new TestImageCirclesphere();
06463                 }

void TestImageCirclesphere::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.

Parameters:
image The image to be processed.

Implements EMAN::Processor.

Definition at line 7624 of file processor.cpp.

References EMAN::EMData::get_data(), InvalidValueException, nx, ny, EMAN::TestImageProcessor::preprocess(), EMAN::Dict::set_default(), and EMAN::EMData::update().

07625 {
07626         preprocess(image);
07627 
07628         float radius = params.set_default("radius",nx/2.0f);
07629         string axis = (const char*)params["axis"];
07630         float c =  params.set_default("c",nx/2.0f);
07631         int fill = params.set_default("fill",1);
07632 
07633         float *dat = image->get_data();
07634         float x2, y2, z2; //this is coordinates of this pixel from center
07635         float r = 0.0f;
07636         float asy = 0.0f;
07637         if(axis == ""){
07638                 asy = radius;
07639         }
07640         else if(axis == "x" || axis == "y"){
07641                 asy = c;
07642         }
07643         else if(axis=="z"){
07644                 if( nz == 1 ){
07645                         throw InvalidValueException(0, "This is a 2D image, no asymmetric feature for z axis");
07646                 }
07647                 asy = c;
07648         }
07649         else{
07650                 throw InvalidValueException(0, "please specify a valid axis for asymmetric features");
07651         }
07652 
07653         for (int k = 0; k < nz; ++k) {
07654                 for (int j = 0; j < ny; ++j) {
07655                         for (int i = 0; i < nx; ++i, ++dat) {
07656                                 x2 = fabs((float)i - nx/2);
07657                                 y2 = fabs((float)j - ny/2);
07658                                 z2 = fabs((float)k - nz/2);
07659                                 if( axis == "" ){
07660                                         r = (x2*x2)/(radius*radius) + (y2*y2)/(radius*radius) + (z2*z2)/(radius*radius);
07661                                 }
07662                                 else if (axis == "x"){
07663                                         r = (x2*x2)/(asy*asy) + (y2*y2)/(radius*radius) + (z2*z2)/(radius*radius);
07664                                 }
07665                                 else if(axis == "y"){
07666                                         r = (x2*x2)/(radius*radius) + (y2*y2)/(asy*asy) + (z2*z2)/(radius*radius);
07667                                 }
07668                                 else if(axis=="z"){
07669                                         r = (x2*x2)/(radius*radius) + (y2*y2)/(radius*radius) + (z2*z2)/(asy*asy);
07670                                 }
07671                                 if( r<=1 ) {
07672                                         if( !fill) {
07673                                                 *dat = 0;
07674                                         }
07675                                         else {
07676                                                 *dat = 1;
07677                                         }
07678                                 }
07679                                 else {
07680                                         if( !fill ) {
07681                                                 *dat = 1;
07682                                         }
07683                                         else {
07684                                                 *dat = 0;
07685                                         }
07686                                 }
07687                         }
07688                 }
07689         }
07690 
07691         image->update();
07692 }


Member Data Documentation

const string TestImageCirclesphere::NAME = "testimage.circlesphere" [static]
 

Definition at line 206 of file processor.cpp.


The documentation for this class was generated from the following files:
Generated on Thu Nov 17 12:46:40 2011 for EMAN2 by  doxygen 1.3.9.1