EMAN2
Public Member Functions | Static Public Member Functions | Static Public Attributes | Private Member Functions
EMAN::FourierInserter3DMode6 Class Reference

FourierPixelInserter3DMode6 - encapsulates "method 6" for inserting a 2D Fourier slice into a 3D volume See comments in FourierPixelInserter3D for explanations. More...

#include <reconstructor_tools.h>

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List of all members.

Public Member Functions

 FourierInserter3DMode6 ()
virtual ~FourierInserter3DMode6 ()
virtual bool insert_pixel (const float &xx, const float &yy, const float &zz, const std::complex< float > dt, const float &weight=1.0)
 Insert a complex pixel [dt[0]+dt[1]i] at (float) coordinate [xx,yy,zz] with weighting into a discrete 3D volume.
virtual string get_name () const
 Get the unique name of this class (especially for factory based instantiation access)
virtual string get_desc () const
 Get a clear, concise description of this class.

Static Public Member Functions

static FourierPixelInserter3DNEW ()

Static Public Attributes

static const string NAME = "gauss_5_slow"

Private Member Functions

 FourierInserter3DMode6 (const FourierInserter3DMode6 &)
FourierInserter3DMode6operator= (const FourierInserter3DMode6 &)

Detailed Description

FourierPixelInserter3DMode6 - encapsulates "method 6" for inserting a 2D Fourier slice into a 3D volume See comments in FourierPixelInserter3D for explanations.

Definition at line 307 of file reconstructor_tools.h.


Constructor & Destructor Documentation

EMAN::FourierInserter3DMode6::FourierInserter3DMode6 ( ) [inline]

Definition at line 310 of file reconstructor_tools.h.

Referenced by NEW().

{}
virtual EMAN::FourierInserter3DMode6::~FourierInserter3DMode6 ( ) [inline, virtual]

Definition at line 311 of file reconstructor_tools.h.

{}
EMAN::FourierInserter3DMode6::FourierInserter3DMode6 ( const FourierInserter3DMode6 ) [private]

Member Function Documentation

virtual string EMAN::FourierInserter3DMode6::get_desc ( ) const [inline, virtual]

Get a clear, concise description of this class.

Returns:
a clear, concise description of this class

Implements EMAN::FactoryBase.

Definition at line 325 of file reconstructor_tools.h.

                        {
                                return "More exact version of gauss_5";
                        }
virtual string EMAN::FourierInserter3DMode6::get_name ( ) const [inline, virtual]

Get the unique name of this class (especially for factory based instantiation access)

Returns:
the unique name of this class

Implements EMAN::FactoryBase.

Definition at line 320 of file reconstructor_tools.h.

References NAME.

                        {
                                return NAME;
                        }
bool FourierInserter3DMode6::insert_pixel ( const float &  xx,
const float &  yy,
const float &  zz,
const std::complex< float >  dt,
const float &  weight = 1.0 
) [virtual]

Insert a complex pixel [dt[0]+dt[1]i] at (float) coordinate [xx,yy,zz] with weighting into a discrete 3D volume.

Parameters:
xxthe floating point x coordinate
yythe floating point y coordinate
zzthe floating point z coordinate
dtthe complex pixel value (dt[0] is real, dt[1] is imaginary)
weightthe weight to given to this complex pixel
Returns:
A boolean that indicates the pixel has been inserted (or not)

Implements EMAN::FourierPixelInserter3D.

Definition at line 286 of file reconstructor_tools.cpp.

References EMAN::EMData::add_complex_at(), EMAN::FourierPixelInserter3D::data, EMAN::FourierPixelInserter3D::fullnx, EMAN::FourierPixelInserter3D::fullny, EMAN::FourierPixelInserter3D::fullnz, EMAN::Util::hypot3sq(), EMAN::EMConsts::I5G, EMAN::FourierPixelInserter3D::norm, EMAN::FourierPixelInserter3D::nx, EMAN::FourierPixelInserter3D::nxyz, EMAN::FourierPixelInserter3D::ny, EMAN::FourierPixelInserter3D::nz, EMAN::FourierPixelInserter3D::subx0, EMAN::FourierPixelInserter3D::suby0, EMAN::FourierPixelInserter3D::subz0, and weight.

{
        int x0 = 2 * (int) floor(xx + 0.5f);
        int y0 = (int) floor(yy + 0.5f);
        int z0 = (int) floor(zz + 0.5f);

        if (x0<-6||y0<-3||z0<-3||x0>nx+6||y0>ny+3||z0>nz+3) return false;

        //size_t idx;
        float r, gg;
        for (int k = z0 - 1; k <= z0 + 1; k++) {
                for (int j = y0 - 1; j <= y0 + 1; j++) {
                        for (int i = x0 -2; i <= x0 + 2; i += 2) {
                                if (k<0 || j<0 || i<0 || k>=nz || j>=ny || i>=nx) continue;
                                r = Util::hypot3sq((float) i / 2 - xx, j - yy, k - zz);
                                gg = exp(-r / EMConsts::I5G)*weight;

                                size_t off;
                                if (subx0<0) off=data->add_complex_at(i,j,k,dt*gg);
                                else off=data->add_complex_at(i,j,k,subx0,suby0,subz0,fullnx,fullny,fullnz,dt*gg);
                                if (static_cast<int>(off)!=nxyz) norm[off/2]+=gg;

                        }
                }
        }
        return true;
 }
static FourierPixelInserter3D* EMAN::FourierInserter3DMode6::NEW ( ) [inline, static]

Definition at line 315 of file reconstructor_tools.h.

References FourierInserter3DMode6().

                        {
                                return new FourierInserter3DMode6();
                        }
FourierInserter3DMode6& EMAN::FourierInserter3DMode6::operator= ( const FourierInserter3DMode6 ) [private]

Member Data Documentation

const string FourierInserter3DMode6::NAME = "gauss_5_slow" [static]

Definition at line 330 of file reconstructor_tools.h.

Referenced by get_name().


The documentation for this class was generated from the following files: