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/*
* diffraction.h
*
* Calculate diffraction patterns by Fourier methods
*
* Copyright © 2012-2021 Deutsches Elektronen-Synchrotron DESY,
* a research centre of the Helmholtz Association.
*
* Authors:
* 2009-2019 Thomas White <taw@physics.org>
* 2013-2014 Chun Hong Yoon <chun.hong.yoon@desy.de>
* 2013 Alexandra Tolstikova
*
* 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 DIFFRACTION_H
#define DIFFRACTION_H
#include <gsl/gsl_rng.h>
#include "image.h"
#include "cell.h"
#include "symmetry.h"
typedef enum {
GRADIENT_MOSAIC,
GRADIENT_INTERPOLATE,
GRADIENT_PHASED
} GradientMethod;
extern void get_diffraction(struct image *image, int na, int nb, int nc,
const double *intensities, const double *phases,
const unsigned char *flags, UnitCell *cell,
GradientMethod m, const SymOpList *sym,
int no_fringes, int flat, int n_samples);
extern struct sample *generate_tophat(struct image *image);
extern struct sample *generate_SASE(struct image *image, gsl_rng *rng);
extern struct sample *generate_twocolour(struct image *image);
extern struct sample *generate_spectrum_fromfile(struct image *image,
char *spectrum_fn);
#endif /* DIFFRACTION_H */
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