.B \-\-rotangle
Degrees to rotate view through (multiple of PI) (default = 1)
.TP 16
+.B \-\-geometry
+Geometry of scanning
+.RS
+.TP 16
+.B parallel
+Parallel scan beams (default)
+.TP 16
+.B equilinear
+Equilinear divergent scan beams
+.TP 16
+.B equiangular
+Equiangular divergent scan beams
+.RE
+.TP 16
.B \-\-focal-length
Focal length ratio (ratio to radius of phantom) (default = 1)
.TP 16