.TH PS_LAV 1 local
.SH NAME
ps_lav [-B] [-Z db_size] \- plot an "lav" file in postscript.
.SH DESCRIPTION
ps_lav is a simple program to take "lav" format output from "lalign35"
and produce postscript alignment plots (which look like "dot-plots").
It was designed to work with the output of the \fClalign35\fP program,
but should work with other \fClav\fP output as well.
.TP
\-B
color alignment lines using the "bit" score.
.TP
\-Z db_size
set the effective database size for an E()-value calculate to db_size,
and color alignment lines using E()-values.  Requires bit scores in
the \fClav\fP ouput.
.SH AUTHOR
Bill Pearson
.br
wrp@virginia.EDU