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/*
* detector.h
*
* Detector properties
*
* Copyright © 2012-2014 Deutsches Elektronen-Synchrotron DESY,
* a research centre of the Helmholtz Association.
* Copyright © 2012 Richard Kirian
*
* Authors:
* 2009-2014 Thomas White <taw@physics.org>
* 2011-2012 Richard Kirian <rkirian@asu.edu>
* 2011 Andrew Aquila
*
* This file is part of CrystFEL.
*
* CrystFEL 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 3 of the License, or
* (at your option) any later version.
*
* CrystFEL 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 CrystFEL. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#ifndef DETECTOR_H
#define DETECTOR_H
struct image;
struct hdfile;
#include "hdf5-file.h"
#include "image.h"
#ifdef __cplusplus
extern "C" {
#endif
struct rigid_group
{
char *name;
struct panel **panels;
int n_panels;
/* Updates to panel position calculated during integration */
double d_fsx;
double d_ssx;
double d_cnx;
double d_fsy;
double d_ssy;
double d_cny;
int have_deltas;
};
struct panel
{
char name[1024]; /* Name for this panel */
int min_fs; /* Smallest FS value considered to be in the panel */
int max_fs; /* Largest FS value considered to be in this panel */
int min_ss; /* ... and so on */
int max_ss;
double cnx; /* Location of corner (min_fs,min_ss) in pixels */
double cny;
double coffset;
double clen; /* Camera length in metres */
char *clen_from;
double res; /* Resolution in pixels per metre */
char badrow; /* 'x' or 'y' */
int no_index; /* Don't index peaks in this panel if non-zero */
struct rigid_group *rigid_group; /* Rigid group */
double adu_per_eV; /* Number of ADU per eV */
double max_adu; /* Treat pixel as unreliable if higher than this */
double fsx;
double fsy;
double ssx;
double ssy;
double xfs;
double yfs;
double xss;
double yss;
int w; /* Width, calculated as max_fs-min_fs+1 */
int h; /* Height, calculated as max_ss-min_ss+1 */
};
struct badregion
{
char name[1024];
double min_x;
double max_x;
double min_y;
double max_y;
};
struct detector
{
struct panel *panels;
int n_panels;
int max_fs;
int max_ss; /* Size of overall array needed, minus 1 */
struct badregion *bad;
int n_bad;
char *mask;
unsigned int mask_bad;
unsigned int mask_good;
struct rigid_group **rigid_groups;
int n_rigid_groups;
/* Location of the pixel furthest away from the beam position, which
* will have the largest value of 2theta regardless of camera length
* and wavelength */
struct panel *furthest_out_panel;
double furthest_out_fs;
double furthest_out_ss;
/* As above, but for the smallest 2theta */
struct panel *furthest_in_panel;
double furthest_in_fs;
double furthest_in_ss;
struct panel defaults;
};
extern struct rvec get_q(struct image *image, double fs, double ss,
double *ttp, double k);
extern struct rvec get_q_for_panel(struct panel *p, double fs, double ss,
double *ttp, double k);
extern double get_tt(struct image *image, double xs, double ys, int *err);
extern int in_bad_region(struct detector *det, double fs, double ss);
extern void record_image(struct image *image, int do_poisson, int background,
gsl_rng *rng);
extern struct panel *find_panel(struct detector *det, double fs, double ss);
extern int find_panel_number(struct detector *det, int fs, int ss);
extern struct detector *get_detector_geometry(const char *filename);
extern void free_detector_geometry(struct detector *det);
extern struct detector *simple_geometry(const struct image *image);
extern void get_pixel_extents(struct detector *det,
double *min_x, double *min_y,
double *max_x, double *max_y);
extern void fill_in_values(struct detector *det, struct hdfile *f);
extern struct detector *copy_geom(const struct detector *in);
extern void twod_mapping(double fs, double ss, double *px, double *py,
struct panel *p);
extern int reverse_2d_mapping(double x, double y, double *pfs, double *pss,
struct detector *det);
extern double largest_q(struct image *image);
extern double smallest_q(struct image *image);
extern struct panel *find_panel_by_name(struct detector *det, const char *name);
extern int write_detector_geometry(const char *filename, struct detector *det);
#ifdef __cplusplus
}
#endif
#endif /* DETECTOR_H */
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