EMAN::PolarData Class Reference

a specialized image class for storing the results of a transform from EMData to polar coordinates, currently support 2D only. More...

#include <polardata.h>

Inheritance diagram for EMAN::PolarData:

Collaboration diagram for EMAN::PolarData:

Public Member Functions
	PolarData ()
	PolarData (EMData *image, int xcen, int ycen, string mode)
	Construct a PolarData object from a EMData. More...
virtual	~PolarData ()
Public Member Functions inherited from EMAN::UnevenMatrix
	UnevenMatrix ()
virtual	~UnevenMatrix ()
int	get_xsize (int y)
	get the x dim size for a given y More...
int	get_xmin (int y)
	get the minimal x dim value for a given y More...
int	get_xmax (int y)
	get the maximal x dim value for a given y, note: x1 is one out of the max More...
int	get_size ()
	get the total size of the data block More...

Private Member Functions
vector< int >	Numrinit (int first_ring, int last_ring, int skip, string mode)
	calculate the number of element for each ring More...
int	log2 (int n)
	Returns the smallet power by which 2 has to be raised to obtain an integer kess equal n. More...
vector< float >	ringwe (vector< int > numr, string mode)
	calculate ring weights for rotational alignment More...

Private Attributes
map< int, float >	weight
	the ring weights for each radius r More...

Additional Inherited Members
Protected Member Functions inherited from EMAN::UnevenMatrix
void	alloc_data ()
	allocation memory for data array More...
Protected Attributes inherited from EMAN::UnevenMatrix
float *	data
	store all data in one dimension float array for cache efficiency, we calculate the offset for x, y dimension More...
map< int, Xdim >	desc_data
	describe for each y, the x dimension's size and range More...
int	tot_size
	the total size of the data More...

Detailed Description

a specialized image class for storing the results of a transform from EMData to polar coordinates, currently support 2D only.

data on x dimension may be variable size, which is defined in map< int, Xdim > desc_data

Definition at line 136 of file polardata.h.

Constructor & Destructor Documentation

PolarData() [1/2]

EMAN::PolarData::PolarData ( )

inline

Definition at line 139 of file polardata.h.

{printf("Welcome to PolarData class... \n");}

PolarData() [2/2]

PolarData::PolarData	(	EMData *	image,
		int	xcen,
		int	ycen,
		string	mode
	)

Construct a PolarData object from a EMData.

Parameters

image	the EMData object to be converted
xcen	the x dimension of the center
ycen	the y dimension of the center
mode

Definition at line 82 of file polardata.cpp.

{
//      int nsam = image->get_xsize();
//      int nrow = image->get_ysize();
        
        
//      int nring = numr.size()/3; 
                
}

~PolarData()

virtual EMAN::PolarData::~PolarData ( )

inlinevirtual

Definition at line 149 of file polardata.h.

                                     {
                        printf("Destructor of PolarData...\n");
                }

Member Function Documentation

log2()

int EMAN::PolarData::log2 ( int  n )

private

Returns the smallet power by which 2 has to be raised to obtain an integer kess equal n.

Parameters

n

int

Returns

int

Numrinit()

vector< int > EMAN::PolarData::Numrinit ( int  first_ring, int  last_ring, int  skip, string  mode  )

private

calculate the number of element for each ring

Parameters

first_ring	the ring number for the first ring
last_ring	the ring number for the last ring
skip	step of ring
mode	half mode('H'/'h') or full mode('F'/'f')

Returns

the vector for number of elements of each ring

ringwe()

vector< float > EMAN::PolarData::ringwe ( vector< int >  numr, string  mode  )

private

calculate ring weights for rotational alignment

Parameters

numr	number of element for each ring
mode	half mode('H'/'h') or full mode('F'/'f')

Returns

vector<float> the weight for each ring

Member Data Documentation

weight

map< int, float > EMAN::PolarData::weight

private

the ring weights for each radius r

Definition at line 167 of file polardata.h.

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

• polardata.h
• polardata.cpp