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/*
* geometry.h
*
* Geometry of diffraction
*
* Copyright © 2013 Deutsches Elektronen-Synchrotron DESY,
* a research centre of the Helmholtz Association.
* Copyright © 2012 Richard Kirian
*
* Authors:
* 2010-2013 Thomas White <taw@physics.org>
* 2012 Richard Kirian
*
* 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/>.
*
*/
#ifndef GEOMETRY_H
#define GEOMETRY_H
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "reflist.h"
#include "cell.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* PartialityModel:
* @PMODEL_SPHERE : Intersection of sphere with excited volume of reciprocal
* space.
* @PMODEL_UNITY : Set all all partialities and Lorentz factors to 1.
*
* A %PartialityModel describes a geometrical model which can be used to
* calculate spot partialities and Lorentz correction factors.
**/
typedef enum {
PMODEL_SPHERE,
PMODEL_UNITY,
} PartialityModel;
extern RefList *find_intersections(struct image *image, Crystal *cryst);
extern RefList *select_intersections(struct image *image, Crystal *cryst);
extern void update_partialities(Crystal *cryst, PartialityModel pmodel);
#ifdef __cplusplus
}
#endif
#endif /* GEOMETRY_H */
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