--- ray/doc/man/man1/vwright.1	2004/01/01 19:31:45	1.3
+++ ray/doc/man/man1/vwright.1	2009/06/14 00:33:15	1.8
@@ -1,21 +1,26 @@
-.\" RCSid "$Id: vwright.1,v 1.3 2004/01/01 19:31:45 greg Exp $"
+.\" RCSid "$Id: vwright.1,v 1.8 2009/06/14 00:33:15 greg Exp $"
 .TH VWRIGHT 1 8/29/96 RADIANCE
 .SH NAME
 vwright - normalize a RADIANCE view, shift it to the right
 .SH SYNOPSIS
 .B vwright
+.B "[ view options ]"
 .B distance
 .br
 .B vwright
 .B name
 .SH DESCRIPTION
 .I Vwright
-shifts a RADIANCE view from a picture or view file given on the standard input
+shifts a RADIANCE view
 the specified distance to the right, putting out a complete set of
 view parameters in a single line on the standard output.
 This utility is most often used to compute a right-eyed view from
 a left-eye view for stereo imaging.
 .PP
+If no options are specified on the command line,
+.I vwright
+reads a view from its standard input.
+.PP
 The
 .I distance
 given is in world coordinate units.
@@ -31,13 +36,14 @@ For a given prefix
 the constant names are as follows:
 .sp
 .nf
-Nt:	view type ('v'==1,'l'==2,'a'==3,'h'==4,'c'==5)
+Nt:	view type ('v'==1,'l'==2,'a'==3,'h'==4,'c'==5,'s'==6)
 Npx:	view point x value
 Npy:	view point y value
 Npz:	view point z value
 Ndx:	view direction x value (normalized)
 Ndy:	view direction y value (normalized)
 Ndz:	view direction z value (normalized)
+Nd:	view focal distance
 Nux:	view up vector x value (normalized)
 Nuy:	view up vector y value (normalized)
 Nuz:	view up vector z value (normalized)
@@ -61,20 +67,20 @@ To start
 .I rpict(1)
 on a view .06 meters left of the view in the file "right.vf":
 .IP "" .2i
-rpict `vwright -.06 < right.vf` scene.oct > right.pic &
+rpict `vwright -.06 < right.vf` scene.oct > right.hdr &
 .PP
 To move the
 .I rad(1)
 view named "left" 2.5 inches to the right
 and render from there:
 .IP "" .2i
-rad -v "right `rad -n -s -V -v left examp.rif | vwright 2.5`" examp.rif &
+rad \-v "right `rad \-n \-s \-V \-v left examp.rif | vwright 2.5`" examp.rif &
 .PP
 To pass a view to
 .I rcalc
 for conversion to some other view:
 .IP "" .2i
-rcalc -n -e `vwright orig < orig.vf` -f viewmod.cal -o view.fmt > new.vf
+rcalc \-n \-e `vwright orig < orig.vf` \-f viewmod.cal \-o view.fmt > new.vf
 .SH AUTHOR
 Greg Ward
 .SH "SEE ALSO"