bmaxpow.cpp File Reference

Determining orientations by maximum power of 3D reconstruction from single particle images. More...

#include "rwmg.h"
#include "mg_processing.h"
#include "mg_particles.h"
#include "mg_particle_select.h"
#include "mg_ctf.h"
#include "rwimg.h"
#include "linked_list.h"
#include "utilities.h"
#include "options.h"
#include "timer.h"
#include <sys/stat.h>
#include <fcntl.h>

Functions
int	project_maximum_power (Bproject *project, Bsymmetry &sym, double theta_step, double phi_step, double alpha_step, int part_select, double hi_res, double lo_res, double scale, Vector3< long > size, Bimage *pmask, int pad_factor, int ctf_action, double wiener, int flags)
	Determines the orientation of each particle from the maximum power of its reconstruction. More...
int	main (int argc, char **argv)
double	img_reconstruct_one (Bimage *p, Vector3< long > size, Bsymmetry &sym, View view, double hi_res, double lo_res, double scale)
double	img_reconstruct_one_v3 (Bimage *p, Vector3< long > size, Bsymmetry &sym, View view, double hi_res, double lo_res, double scale)
double	img_reconstruct_one_v2 (Bimage *p, Vector3< long > size, Bsymmetry &sym, View view, double hi_res, double lo_res, double scale)
double	img_reconstruct_one_v1 (Bimage *p, Vector3< long > size, Bsymmetry &sym, View view, double hi_res, double lo_res, double scale)
double	img_find_maximum_power (Bimage *p, Vector3< long > size, Bsymmetry &sym, double theta_step, double phi_step, double alpha_step, double hi_res, double lo_res, double scale, int pad_factor)
	Determines the orientation of a particle image by maximum power. More...
double	part_find_maximum_power (Bparticle *part, Vector3< long > size, Bimage *pmask, long ft_size, Bsymmetry &sym, double theta_step, double phi_step, double alpha_step, double hi_res, double lo_res, double scale, int pad_factor, int ctf_action, double wiener, int flags)

Variables
int	verbose
const char *	use []

Detailed Description

Determining orientations by maximum power of 3D reconstruction from single particle images.

Author

Bernard Heymann

Date

Created: 20080424

Modified: 20190516

Function Documentation

img_find_maximum_power()

double img_find_maximum_power	(	Bimage *	p,
		Vector3< long >	size,
		Bsymmetry &	sym,
		double	theta_step,
		double	phi_step,
		double	alpha_step,
		double	hi_res,
		double	lo_res,
		double	scale,
		int	pad_factor
	)

Determines the orientation of a particle image by maximum power.

Parameters

*p	particle image.
size	reconstruction size.
*sym	point group symmetry.
theta_step	theta angular step size.
phi_step	phi angular step size.
alpha_step	alpha angular step size (in-plane).
hi_res	high resolution limit.
lo_res	low resolution limit (infinite if 0).
scale	scale of reconstruction and particle magnification.
pad_factor	factor that determines image padding.

Returns

double best FOM.

For each view, a reconstruction is generated using the given symmetry.
The reconstruction with the maximum power is selected and the
corresponding view assigned to the particle.
    P = sum(|F|^2)

img_reconstruct_one()

double img_reconstruct_one	(	Bimage *	p,
		Vector3< long >	size,
		Bsymmetry &	sym,
		View	view,
		double	hi_res,
		double	lo_res,
		double	scale
	)

img_reconstruct_one_v1()

double img_reconstruct_one_v1	(	Bimage *	p,
		Vector3< long >	size,
		Bsymmetry &	sym,
		View	view,
		double	hi_res,
		double	lo_res,
		double	scale
	)

img_reconstruct_one_v2()

double img_reconstruct_one_v2	(	Bimage *	p,
		Vector3< long >	size,
		Bsymmetry &	sym,
		View	view,
		double	hi_res,
		double	lo_res,
		double	scale
	)

img_reconstruct_one_v3()

double img_reconstruct_one_v3	(	Bimage *	p,
		Vector3< long >	size,
		Bsymmetry &	sym,
		View	view,
		double	hi_res,
		double	lo_res,
		double	scale
	)

main()

int main	(	int	argc,
		char **	argv
	)

part_find_maximum_power()

double part_find_maximum_power	(	Bparticle *	part,
		Vector3< long >	size,
		Bimage *	pmask,
		long	ft_size,
		Bsymmetry &	sym,
		double	theta_step,
		double	phi_step,
		double	alpha_step,
		double	hi_res,
		double	lo_res,
		double	scale,
		int	pad_factor,
		int	ctf_action,
		double	wiener,
		int	flags
	)

project_maximum_power()

int project_maximum_power	(	Bproject *	project,
		Bsymmetry &	sym,
		double	theta_step,
		double	phi_step,
		double	alpha_step,
		int	part_select,
		double	hi_res,
		double	lo_res,
		double	scale,
		Vector3< long >	size,
		Bimage *	pmask,
		int	pad_factor,
		int	ctf_action,
		double	wiener,
		int	flags
	)

Determines the orientation of each particle from the maximum power of its reconstruction.

Parameters

*project	image processing parameter structure.
*sym	point group symmetry.
theta_step	theta angular step size.
phi_step	phi angular step size.
alpha_step	alpha angular step size (in-plane).
part_select	selection number from the selection column.
hi_res	high resolution limit.
lo_res	low resolution limit (infinite if 0).
scale	scale of reconstruction.
size	size of reconstruction.
*pmask	mask to eliminate unwanted parts (can be NULL).
pad_factor	factor that determines image padding.
ctf_action	type of CTF calculated (1-8).
wiener	Wiener factor (fraction).
flags	option flags.

Returns

int 0.

Each particle is transformed to a view on a grid and a reconstruction
generated. The view associated with the reconstruction with the highest
power is accepted.

Variable Documentation

use

const char* use[]

verbose

int verbose

extern