Update crystfel_geometry(5)

1 files changed, 17 insertions, 7 deletions

diff --git a/doc/man/crystfel_geometry.5 b/doc/man/crystfel_geometry.5
index 216aec15..ecee06f5 100644
--- a/doc/man/crystfel_geometry.5
+++ b/doc/man/crystfel_geometry.5
@@ -104,6 +104,16 @@ panel0/peak_sep = 6.0
 .br
 panel0/clen = /LCLS/detectorPosition
 
+; The camera length offset (in metres) for this panel.
+.br
+; This number will be added to the camera length (\fBclen\fR).  This can be
+.br
+; useful if the camera length is taken from the HDF5 file and you need to make
+.br
+; an adjustment, such as that from a calibration experiment.
+.br
+panel0/coffset = 0.0
+
 ; For this panel, the fast and slow scan directions correspond to the given
 .br
 ; directions in the lab coordinate system described above, measured in pixels.
@@ -138,9 +148,7 @@ panel0/no_index = 0
 .br
 ; a region will not be integrated nor indexed.  Bad regions are specified in
 .br
-; pixel units, but in the lab coordinate system (i.e. "y" points at the ceiling,
-.br
-; "z" is the beam direction and "x" completes the right-handed system).
+; pixel units, but in the lab coordinate system (see above).
 .br
 badregionA/min_x = -20.0
 .br
@@ -156,9 +164,9 @@ badregionA/max_y = +100.0
 .br
 ; give its path within each HDF5 file, and two bitmasks.  The pixel is
 .br
-; considered good if all of the bits which are set in "mask_good" are set, AND
+; considered good if all of the bits which are set in \fBmask_good\fR are set,
 .br
-; if none of the bits which are set in "mask_bad" are set.
+; \fIand\fR if none of the bits which are set in \fBmask_bad\fR are set.
 .br
 mask = /processing/hitfinder/masks
 .br
@@ -170,8 +178,10 @@ mask_bad = 0x00
 .br
 peak_sep = 6.0
 .br
-; in which case the value will be used for all *subsequent* panels.
-
+; in which case the value will be used for all \fBsubsequent\fR panels appearing
+.br
+; in the file.
+.br
 ; The maximum value, in ADU, before the pixel will be considered as bad.
 .br
 max_adu = 3500