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/*
* This file is part of the HDRL
* Copyright (C) 2014 European Southern Observatory
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef HDRL_STREHL_H
#define HDRL_STREHL_H
/*-----------------------------------------------------------------------------
Includes
-----------------------------------------------------------------------------*/
#include "hdrl_types.h"
#include "hdrl_image.h"
#include <cpl.h>
CPL_BEGIN_DECLS
/*-----------------------------------------------------------------------------
Define
-----------------------------------------------------------------------------*/
/*-----------------------------------------------------------------------------
Functions prototypes
-----------------------------------------------------------------------------*/
typedef struct {
/* computed strehl value and its propagated error */
hdrl_value strehl_value;
/* computed x and y position of the star peak */
double star_x, star_y;
/* star peak and its propagated error */
hdrl_value star_peak;
/* star flux and its propagated error */
hdrl_value star_flux;
/* star background and its propagated error */
hdrl_value star_background;
/* star background error estimated from image
* on normal data sqrt(pi / 2) larger that star_background error as it is
* estimated via a median */
double computed_background_error;
/* number of pixels used for background estimation */
size_t nbackground_pixels;
} hdrl_strehl_result;
hdrl_parameter * hdrl_strehl_parameter_create(double wavelength,
double m1_radius, double m2_radius,
double pixel_scale_x, double pixel_scale_y, double flux_radius,
double bkg_radius_low, double bkg_radius_high);
cpl_parameterlist * hdrl_strehl_parameter_create_parlist(
const char * base_context,
const char * prefix,
hdrl_parameter * par);
hdrl_parameter * hdrl_strehl_parameter_parse_parlist(
const cpl_parameterlist * parlist,
const char * prefix);
hdrl_strehl_result
hdrl_strehl_compute(const hdrl_image * himg, hdrl_parameter* params);
#if defined HDRL_USE_EXPERIMENTAL || defined HDRL_USE_PRIVATE
cpl_boolean hdrl_strehl_parameter_check(const hdrl_parameter *);
double hdrl_strehl_parameter_get_wavelength(const hdrl_parameter * p);
double hdrl_strehl_parameter_get_m1(const hdrl_parameter * p);
double hdrl_strehl_parameter_get_m2(const hdrl_parameter * p);
double hdrl_strehl_parameter_get_pixel_scale_x(const hdrl_parameter * p);
double hdrl_strehl_parameter_get_pixel_scale_y(const hdrl_parameter * p);
double hdrl_strehl_parameter_get_flux_radius(const hdrl_parameter * p);
double hdrl_strehl_parameter_get_bkg_radius_low(const hdrl_parameter * p);
double hdrl_strehl_parameter_get_bkg_radius_high(const hdrl_parameter * p);
#endif
CPL_END_DECLS
#endif
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