Zernike works

Zernike/spots.h

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+/*
+ * spots.h
+ *
+ * Copyright 2015 Edward V. Emelianov <eddy@sao.ru, edward.emelianoff@gmail.com>
+ *
+ * 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 __SPOTS_H__
+#define __SPOTS_H__
+
+#include <stdint.h>
+#include "zernike.h"
+#include "simple_list.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)
+
+#define _(...) __VA_ARGS__
+#define MirRadius 3.  // main mirror radius
+
+extern double pixsize;
+extern double distance;
+
+/*
+// spot center
+typedef struct{
+	int id;		// spot identificator
+	double x;	// coordinates of center
+	double y;
+} spot;
+*/
+
+// hartmannogram
+typedef struct{
+	char *filename;   // spots-filename
+	uint8_t got[258]; // == 1 if there's this spot on image
+	point center;     // coordinate of center
+	point spots[258]; // spotlist, markers have numbers 256 & 257
+} hartmann;
+
+// mirror
+typedef struct{
+	uint8_t got[258]; // == 1 if there's this spot on both pre-focal & post-focal images
+	int spotsnum;     // total amount of spots used
+	point center;     // x&y coordinates of center beam
+	point tanc;       // tangent of center beam
+	point tans[258];  // tangents of beams == (r_post-r_pre)/d
+	point spots[258]; // x&y coordinates of spots on mirror surface (z=[x^2+y^2]/4f)
+	polar pol_spots[258]; // polar coordinates of spots on mirror surface according to center (norm by mirror R)
+	point grads[258]; // gradients to mirror surface
+	double zbestfoc;  // Z-coordinate (from pre-focal image) of best focus for minimal circle of confusion
+	double z07;       // Z of best focus for q=0.7
+//	double Rmax;      // max R of spot (@ which pol_spots.r == 1.)
+} mirror;
+
+// spot diagram
+typedef struct{
+	uint8_t got[258];   // the same as above
+	point center;       // center beam's coordinate
+	point spots[258];   // spots
+	double z;           // z from prefocal image
+}spot_diagram;
+
+// gradients structure: point coordinates & gradient components
+typedef struct{
+	int id;
+	double x;
+	double y;
+	double Dx;
+	double Dy;
+} CG;
+
+hartmann *read_spots(char *filename, int prefocal);
+void h_free(hartmann **H);
+mirror *calc_mir_coordinates(hartmann *H[]);
+void getQ(mirror *mir, hartmann *prefoc);
+double calc_Hartmann_constant(mirror *mir, hartmann *H);
+spot_diagram *calc_spot_diagram( mirror *mir, hartmann *H, double z);
+void calc_gradients(mirror *mir, spot_diagram *foc_spots);
+
+/*
+size_t get_gradients(hartmann *H[], polar **coords, point **grads, double *scale);
+size_t read_gradients(char *gradname, polar **coords, point **grads, double *scale);
+*/
+#endif // __SPOTS_H__