zerndeco/zernike.h
2016-09-20 08:22:46 +03:00

95 lines
3.4 KiB
C

/*
* zernike.h
*
* Copyright 2013 Edward V. Emelianoff <eddy@sao.ru>
*
* 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 Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
#pragma once
#ifndef __ZERNIKE_H__
#define __ZERNIKE_H__
#include <stdbool.h>
#include <stdlib.h>
// focal ratio of BTA in millimeters
#define FOCAL_R (24024.)
// BTA primary mirror radius (in mm)
#define MIR_R (3025.)
// Distance from mirror to hartmann mask
#define HARTMANN_Z (20017.)
// reference wavelength (meters): 650nm
#define WAVELEN (6.5e-7)
/*************** Data structures & typedefs ***************/
// point coordinates
typedef struct{
double x,y;
} point;
typedef struct{
double r,theta;
} polar;
// 2D array
typedef struct{
double **data;
size_t len; // size of 1D arrays
size_t num; // number of 1D arrays
}_2D;
extern double Z_prec; // precision of Zernike coefficients
#ifndef DBL_EPSILON
#define DBL_EPSILON 2.2204460492503131e-16
#endif
/*************** Base functions ***************/
void convert_Zidx(int p, int *N, int *M);
extern double Z_prec;
/*************** Zernike on rectangular equidistant coordinate matrix ***************/
double *zernfun(int n, int m, int W, int H, double *norm);
double *zernfunN(int p, int W, int H, double *norm);
double *Zdecompose(int Nmax, int W, int H, double *image, int *Zsz, int *lastIdx);
double *Zcompose(int Zsz, double *Zidxs, int W, int H);
double *gradZdecompose(int Nmax, int W, int H, point *image, int *Zsz, int *lastIdx);
point *gradZcompose(int Zsz, double *Zidxs, int W, int H);
double *convGradIdxs(double *gradIdxs, int Zsz);
/*************** Zernike on a points set ***************/
double *zernfunR(int n, int m, int Sz, polar *P, double *norm);
double *zernfunNR(int p, int Sz, polar *P, double *norm);
double *ZdecomposeR(int Nmax, int Sz, polar *P, double *heights, int *Zsz, int *lastIdx);
double *ZcomposeR(int Zsz, double *Zidxs, int Sz, polar *P);
double *LS_decompose(int Nmax, int Sz, polar *P, double *heights, int *Zsz, int *lastIdx);
double *QR_decompose(int Nmax, int Sz, polar *P, double *heights, int *Zsz, int *lastIdx);
double *gradZdecomposeR(int Nmax, int Sz, polar *P, point *grads, int *Zsz, int *lastIdx);
double *LS_gradZdecomposeR(int Nmax, int Sz, polar *P, point *grads, int *Zsz, int *lastIdx);
point *gradZcomposeR(int Zsz, double *Zidxs, int Sz, polar *P);
point *directGradZcomposeR(int Zsz, double *Zidxs, int Sz, polar *P);
double *directGradZdecomposeR(int Nmax, int Sz, polar *P, point *grads, int *Zsz, int *lastIdx);
/*************** Annular Zernike ***************/
_2D *ann_Z(int pmax, int Sz, polar *P, double **Norm);
double *ann_Zcompose(int Zsz, double *Zidxs, int Sz, polar *P);
double *ann_Zdecompose(int Nmax, int Sz, polar *P, double *heights, int *Zsz, int *lastIdx);
#endif // __ZERNIKE_H__