-v
Prints out the various values to be used and exits.
.TP
-w \fIr\fP
Specifies the real value to be used as the range over which the horizontal
parameter values vary. The default is 1.0.
-v
Prints out the various values to be used and exits.
.TP
-w \fIr\fP
Specifies the real value to be used as the range over which the horizontal
parameter values vary. The default is 1.0.