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/*
* detector.h
*
* Detector properties
*
* Copyright © 2012-2020 Deutsches Elektronen-Synchrotron DESY,
* a research centre of the Helmholtz Association.
* Copyright © 2012 Richard Kirian
*
* Authors:
* 2009-2019 Thomas White <taw@physics.org>
* 2011-2012 Richard Kirian <rkirian@asu.edu>
* 2014 Valerio Mariani
* 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 rigid_group;
struct rg_collection;
struct detector;
struct panel;
struct badregion;
struct beam_params;
struct hdfile;
struct event;
#include "hdf5-file.h"
#include "image.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* \file detector.h
* Detector geometry structure and related functions.
*/
struct rigid_group
{
char *name;
struct panel **panels;
int n_panels;
};
struct rg_collection
{
char *name;
struct rigid_group **rigid_groups;
int n_rigid_groups;
};
/**
* Represents one panel of a detector
*/
struct panel
{
/** Text name for panel (fixed length array) */
char name[1024];
/** \name Location of corner in units of the pixel size of this panel */
/**@{*/
double cnx;
double cny;
/**@}*/
/** The offset to be applied from \ref clen */
double coffset;
/** The distance from the interaction point to the corner of the
* first pixel */
double clen;
/** Location to get \ref clen from, e.g. from HDF5 file */
char *clen_from;
/** Location of mask data */
char *mask;
/** Filename for mask data */
char *mask_file;
/** Location of per-pixel saturation map */
char *satmap;
/** Filename for saturation map */
char *satmap_file;
/** Resolution in pixels per metre */
double res;
/** Readout direction (for filtering out clusters of peaks)
* ('x' or 'y') */
char badrow;
/** Non-zero if panel should be considered entirely bad */
int no_index;
/** Number of detector intensity units per photon */
double adu_per_photon;
/** Treat pixel as unreliable if higher than this */
double max_adu;
/** Location of data in file */
char *data;
/** Number of detector intensity units per eV of photon energy */
double adu_per_eV;
/** Dimension structure */
struct dim_structure *dim_structure;
/** \name Transformation matrix from pixel coordinates to lab frame */
/*@{*/
double fsx;
double fsy;
double fsz;
double ssx;
double ssy;
double ssz;
/*@}*/
/** \name Rail direction */
/*@{*/
double rail_x;
double rail_y;
double rail_z;
/*@}*/
/* Value of clen (without coffset) at which beam is centered */
double clen_for_centering;
/** \name Inverse of 2D part of transformation matrix */
/*@{*/
double xfs;
double yfs;
double xss;
double yss;
/*@}*/
/** \name Position of the panel in the data block in the file.
* The panels may get moved around when the file is loaded (see
* hdf5_read2()), especially if the panels come from different HDF5
* elements. */
/*@{*/
int orig_min_fs;
int orig_max_fs;
int orig_min_ss;
int orig_max_ss;
/*@}*/
/** Width, calculated as max_fs-min_fs+1 */
int w;
/*** Height, calculated as max_ss-min_ss+1 */
int h;
};
struct badregion
{
char name[1024];
int is_fsss;
char *panel;
double min_x;
double max_x;
double min_y;
double max_y;
/* Specified INCLUSIVELY */
int min_fs;
int max_fs;
int min_ss;
int max_ss;
};
struct detector
{
struct panel *panels;
int n_panels;
struct badregion *bad;
int n_bad;
unsigned int mask_bad;
unsigned int mask_good;
struct rigid_group **rigid_groups;
int n_rigid_groups;
struct rg_collection **rigid_group_collections;
int n_rg_collections;
/* 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;
int path_dim;
int dim_dim;
struct panel defaults;
};
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, struct panel *p,
double fs, double ss);
extern void record_image(struct image *image, int do_poisson, double background,
gsl_rng *rng, double beam_radius, double nphotons);
extern struct panel *find_orig_panel(struct detector *det,
double fs, double ss);
extern signed int find_orig_panel_number(struct detector *det,
double fs, double ss);
extern int panel_number(const struct detector *det, const struct panel *p);
extern struct detector *get_detector_geometry(const char *filename,
struct beam_params *beam);
extern struct detector *get_detector_geometry_2(const char *filename,
struct beam_params *beam,
char **hdf5_peak_path);
extern struct detector *get_detector_geometry_from_string(const char *string,
struct beam_params *beam,
char **hdf5_peak_path);
extern void free_detector_geometry(struct detector *det);
extern struct detector *simple_geometry(const struct image *image, int w, int h);
extern void get_pixel_extents(struct detector *det,
double *min_x, double *min_y,
double *max_x, double *max_y);
extern void fill_in_adu(struct image *image);
extern void adjust_centering_for_rail(struct panel *p);
extern int panel_is_in_rigid_group(const struct rigid_group *rg,
struct panel *p);
extern int rigid_group_is_in_collection(struct rg_collection *c,
struct rigid_group *rg);
extern struct detector *copy_geom(const struct detector *in);
extern int reverse_2d_mapping(double x, double y, struct detector *det,
struct panel **pp, double *pfs, double *pss);
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_2(const char *geometry_filename,
const char *output_filename,
struct detector *det,
const char *additional_comment,
int write_panel_coffset);
extern int write_detector_geometry_3(const char *geometry_data,
const char *output_filename,
struct detector *det,
const char *additional_comment,
int write_panel_coffset);
extern int write_detector_geometry(const char *geometry_filename,
const char *output_filename,
struct detector *det);
extern void mark_resolution_range_as_bad(struct image *image,
double min, double max);
extern int single_panel_data_source(struct detector *det, const char *element);
struct rg_collection *find_rigid_group_collection_by_name(struct detector *det,
const char *name);
extern int detector_has_clen_references(struct detector *det);
extern int multi_event_geometry(struct detector *det);
#ifdef __cplusplus
}
#endif
#endif /* DETECTOR_H */
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