Main Page | Modules | Namespace List | Class Hierarchy | Alphabetical List | Class List | Directories | File List | Namespace Members | Class Members | File Members

EMAN::TestImageHollowEllipse Class Reference

Generate an ellipse/ellipsoid image with an inner hollow ellipse/ellipsoid. More...

#include <processor.h>

Inheritance diagram for EMAN::TestImageHollowEllipse:

Inheritance graph
[legend]
Collaboration diagram for EMAN::TestImageHollowEllipse:

Collaboration graph
[legend]
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.ellipsoid.hollow"

Detailed Description

Generate an ellipse/ellipsoid image with an inner hollow ellipse/ellipsoid.

Parameters:
xwidth inner equatorial radii along x axes
ywidth inner equatorial radii along y axes
zwidth inner polar radius
a outter equatorial radii along x axes
b outter equatorial radii along y axes
c outter polar radius
width specify the width or specify each width explicitly - xwidth, ywidth, zwidth
transform Optionally transform the ellipse
fill value you want to fill in hollow ellipse, default to 1.0

Definition at line 6332 of file processor.h.


Member Function Documentation

virtual string EMAN::TestImageHollowEllipse::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 6342 of file processor.h.

06343                         {
06344                                 return "Insert a hollow ellipse into the image.";
06345                         }

virtual string EMAN::TestImageHollowEllipse::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 6337 of file processor.h.

06338                         {
06339                                 return NAME;
06340                         }

virtual TypeDict EMAN::TestImageHollowEllipse::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 6352 of file processor.h.

References EMAN::TypeDict::put().

06353                         {
06354                                 TypeDict d;
06355                                 d.put("xwidth", EMObject::FLOAT, "inner equatorial radii along x axes");
06356                                 d.put("ywidth", EMObject::FLOAT, "inner equatorial radii along y axes");
06357                                 d.put("zwidth", EMObject::FLOAT, "inner polar radius");
06358                                 d.put("a", EMObject::FLOAT, "outter equatorial radii along x axes");
06359                                 d.put("b", EMObject::FLOAT, "outter equatorial radii along y axes");
06360                                 d.put("c", EMObject::FLOAT, "outter polar radius");
06361                                 d.put("width",EMObject::FLOAT, "width - specify the width or specify each width explicitly - xwidth, ywidth, zwidth");
06362                                 d.put("transform", EMObject::TRANSFORM, "Optionally transform the ellipse");
06363                                 d.put("fill", EMObject::FLOAT, "value you want to fill in hollow ellipse, default to 1.0");
06364                                 return d;
06365                         }

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

Definition at line 6347 of file processor.h.

06348                         {
06349                                 return new TestImageHollowEllipse();
06350                         }

void TestImageHollowEllipse::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 7580 of file processor.cpp.

References EMAN::Dict::has_key(), nx, ny, EMAN::TestImageProcessor::preprocess(), EMAN::Dict::set_default(), EMAN::EMData::set_value_at(), t, EMAN::EMData::update(), v, and EMAN::Vec3f.

07581 {
07582         preprocess(image);
07583 
07584         float width = params.set_default("width",2.0f);
07585 
07586         float a2 = params.set_default("a",nx/2.0f-1.0f);
07587         float b2 = params.set_default("b",ny/2.0f-1.0f);
07588         float c2 = params.set_default("c",nz/2.0f-1.0f);
07589 
07590         float a1 = params.set_default("xwidth",a2-width);
07591         float b1 = params.set_default("ywidth",b2-width);
07592         float c1 = params.set_default("zwidth",c2-width);
07593 
07594         float fill = params.set_default("fill",1.0f);
07595         Transform* t;
07596         if (params.has_key("transform")) {
07597                 t = params["transform"];
07598         } else {
07599                 t = new Transform;
07600         }
07601 
07602 
07603         int mz = 2*(int)c2+1;
07604         if ( nz < mz ) mz = nz;
07605         int my = 2*(int)b2+1;
07606         if ( ny < my ) my = ny;
07607         int mx = 2*(int)a2+1;
07608         if ( nx < mx ) mx = nx;
07609 
07610         float ai1 = 1/(a1*a1);
07611         float bi1 = 1/(b1*b1);
07612         float ci1 = 1/(c1*c1);
07613 
07614         float ai2 = 1/(a2*a2);
07615         float bi2 = 1/(b2*b2);
07616         float ci2 = 1/(c2*c2);
07617 
07618         Vec3f origin(nx/2,ny/2,nz/2);
07619 
07620         float x2, y2, z2, r1,r2;
07621         int xl, yl, zl;
07622         for (int k = 0; k < mz; ++k) {
07623                 for (int j = 0; j < my; ++j) {
07624                         for (int i = 0; i < mx; ++i) {
07625                                 x2 = (float)(i - mx/2);
07626                                 y2 = (float)(j - my/2);
07627                                 z2 = (float)(k - mz/2);
07628                                 r1 = (x2*x2)*ai1 + (y2*y2)*bi1 + (z2*z2)*ci1;
07629                                 r2 = (x2*x2)*ai2 + (y2*y2)*bi2 + (z2*z2)*ci2;
07630                                 if (r2 <= 1 && r1 >= 1) {
07631 
07632                                         if (t != 0) {
07633                                                 Vec3f v(x2,y2,z2);
07634                                                 v = (*t)*v;
07635                                                 v += origin;
07636 
07637                                                 // THIS ISN'T THE BEST STRATEGY BUT IT'S A STOP GAP. A FLOOD FILL IS PROBABLY BETTER
07638                                                 // I fill in 3x3 cubes to make sure there are no gaps...
07639 
07640                                                 for( int kk = -1; kk <= 1; ++kk)
07641                                                         for( int jj = -1; jj <= 1; ++jj)
07642                                                                 for( int ii = -1; ii <= 1; ++ii) {
07643                                                                         xl = (int)v[0]+ii;
07644                                                                         yl = (int)v[1]+jj;
07645                                                                         zl = (int)v[2]+kk;
07646                                                                         if (xl >= 0 && xl < nx && yl >= 0 && yl < ny && zl >= 0 && zl < nz)
07647                                                                                 image->set_value_at(xl,yl,zl,1.0);
07648                                                                 }
07649                                         } else {
07650                                                 image->set_value_at((int)x2+nx/2,(int)y2+ny/2,(int)z2+nz/2,fill);
07651                                         }
07652                                 }
07653                         }
07654                 }
07655         }
07656 
07657         delete t;
07658 
07659         image->update();
07660 }


Member Data Documentation

const string TestImageHollowEllipse::NAME = "testimage.ellipsoid.hollow" [static]
 

Definition at line 205 of file processor.cpp.


The documentation for this class was generated from the following files:
Generated on Mon May 2 13:30:51 2011 for EMAN2 by  doxygen 1.3.9.1