--- ray/doc/man/man1/rtpict.1	2019/12/19 04:56:44	1.5
+++ ray/doc/man/man1/rtpict.1	2023/01/05 19:25:21	1.12
@@ -1,7 +1,7 @@
-.\" RCSid "$Id: rtpict.1,v 1.5 2019/12/19 04:56:44 greg Exp $"
+.\" RCSid "$Id: rtpict.1,v 1.12 2023/01/05 19:25:21 greg Exp $"
 .TH RTPICT 1 3/19/2018 RADIANCE
 .SH NAME
-rtpict - generate a RADIANCE picture or layerd image using rtrace
+rtpict - generate a RADIANCE picture or layered image using rtrace
 .SH SYNOPSIS
 .B rtpict
 .B "-n nproc"
@@ -88,7 +88,7 @@ option should be used to assign the reference (median)
 units, which applies to the overall scene.
 Surface normals (from the 'n' and 'N' types) will be converted
 to a 32-bit representation by
-.I rcode_normal(1).
+.I rcode_norm(1).
 Finally, identifiers (from the 's', 'm', and 'M' types) will be
 converted to a 16-bit index format by
 .I rcode_ident(1).
@@ -100,7 +100,7 @@ with the 'v' type will be renamed
 .I "irradiance.hdr"
 and some other output types become irrelevant (i.e., 'r', 'x', 'R', and 'X').
 If one or more of the associated output files already exists in the
-destination directory, it will be overwritten with the new data.
+destination directory, an error will be printed and the command will abort.
 .SH EXAMPLES
 To render a scene with four processes:
 .IP "" .2i
@@ -113,5 +113,5 @@ rtpict -n 8 -vf fish.vf @render.opt -ovLn fisholay sce
 Greg Ward
 .SH "SEE ALSO"
 getinfo(1), mkpmap(1), oconv(1), pfilt(1), 
-pvalue(1), rad(1), rcode_depth(1), rcode_normal(1), rcode_ident(1),
-rpiece(1), rpict(1), rsplit(1), rtrace(1), rvu(1), vwrays(1),
+pvalue(1), rad(1), rcode_depth(1), rcode_norm(1), rcode_ident(1),
+rcrop(1), rpiece(1), rpict(1), rsplit(1), rtrace(1), rvu(1), vwrays(1)