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-rw-r--r--doc/man/crystfel_geometry.57
1 files changed, 6 insertions, 1 deletions
diff --git a/doc/man/crystfel_geometry.5 b/doc/man/crystfel_geometry.5
index 66a3d71b..6056c463 100644
--- a/doc/man/crystfel_geometry.5
+++ b/doc/man/crystfel_geometry.5
@@ -1,7 +1,7 @@
.\"
.\" Geometry man page
.\"
-.\" Copyright © 2012-2021 Deutsches Elektronen-Synchrotron DESY,
+.\" Copyright © 2012-2023 Deutsches Elektronen-Synchrotron DESY,
.\" a research centre of the Helmholtz Association.
.\"
.\" Part of CrystFEL - crystallography with a FEL
@@ -82,6 +82,11 @@ These statements specify the incident radiation wavelength. You must include on
Units should be specified after the value (or location). These can be \fBm\fR or \fBA\fR for \fBwavelength\fR, \fBeV\fR or \fBkeV\fR for \fBphoton_energy\fR, and \fBV\fR or \fBkV\fR for \fBelectron_voltage\fR. For \fBphoton_energy\fR, if no units are given then the value will be taken to be in eV.
.PD 0
+.IP "\fBbandwidth = \fIbw"
+.PD
+The bandwidth of the radiation, expressed as a fraction of the wavelength. The bandwidth will be interpreted as the standard deviation of a Gaussian spectrum, and used for calculating reflection positions.
+
+.PD 0
.IP "\fBdetector_shift_x = \fInnn \fB[m|mm]"
.IP "\fBdetector_shift_y = \fInnn \fB[m|mm]"
.PD