1 files changed, 40 insertions, 0 deletions
diff --git a/libcrystfel/src/beam-parameters.h b/libcrystfel/src/beam-parameters.h
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+++ b/libcrystfel/src/beam-parameters.h
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+/*
+ * beam-parameters.h
+ *
+ * Beam parameters
+ *
+ * (c) 2006-2010 Thomas White <taw@physics.org>
+ *
+ * Part of CrystFEL - crystallography with a FEL
+ *
+ */
+
+
+#ifndef BEAM_PARAMETERS_H
+#define BEAM_PARAMETERS_H
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+
+struct beam_params
+{
+	double fluence;        /* photons per pulse */
+	double beam_radius;    /* metres */
+	double photon_energy;  /* eV per photon */
+	double bandwidth;      /* FWHM(wavelength) over wavelength.
+	                        *  Note: current simulation code just uses
+	                        *        a rectangular distribution with this as
+	                        *        its (full) width. */
+	double divergence;     /* divergence (radians) */
+
+	double dqe;            /* Detector DQE (fraction) */
+	double adu_per_photon; /* Detector "gain" */
+};
+
+
+extern struct beam_params *get_beam_parameters(const char *filename);
+
+
+#endif	/* BEAM_PARAMETERS_H */