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-rw-r--r--doc/man/partialator.125
1 files changed, 25 insertions, 0 deletions
diff --git a/doc/man/partialator.1 b/doc/man/partialator.1
index 38292975..15992646 100644
--- a/doc/man/partialator.1
+++ b/doc/man/partialator.1
@@ -84,10 +84,35 @@ Refine and scale patterns against the reflections in \fIfilename\fR, instead of
comparing them against each other.
.PD 0
+.IP "\fB-m\fR \fImodel\fR"
+.IP \fB--model=\fR\fImodel\fR
+.PD
+Specify the partiality model. See the list below for possible choices.
+
+.PD 0
.IP "\fB-j\fR \fIn\fR"
.PD
Run \fIn\fR analyses in parallel.
+.SH PARTIALITY MODELS
+
+The available partiality models are:
+
+.IP \fBsphere\fR
+.PD
+The volume of intersection between a sphere centered on each reciprocal lattice
+point, and the part of reciprocal space excited by the Ewald sphere taking into
+account the finite bandwidth and convergence angle. A Lorentz factor will also
+be used, proportional to the distance between the limiting Ewald spheres.
+
+For a fully description including diagrams, see T. A. White et al., Acta Cryst.
+D69 (2013) p1231-1240.
+
+.IP \fBunity\fR
+.PD
+Fix all partialities at 1, and use no Lorentz factor at all.
+
+
.SH BUGS
This program is \fIexperimental\fR in this version of CrystFEL. It is not