--- ray/doc/man/man1/rcode_depth.1	2019/07/26 01:32:32	1.2
+++ ray/doc/man/man1/rcode_depth.1	2025/06/04 20:32:24	1.6
@@ -1,4 +1,4 @@
-.\" RCSid "$Id: rcode_depth.1,v 1.2 2019/07/26 01:32:32 greg Exp $"
+.\" RCSid "$Id: rcode_depth.1,v 1.6 2025/06/04 20:32:24 greg Exp $"
 .TH RCODE_DEPTH 1 7/19/2019 RADIANCE
 .SH NAME
 rcode_depth - encode/decode 16-bit depth map
@@ -12,6 +12,8 @@ rcode_depth - encode/decode 16-bit depth map
 .B \-H[io]
 ][
 .B \-f[afd]
+][
+.B "-x xr -y yr"
 ]
 [
 input
@@ -77,6 +79,12 @@ option says not to expect an image resolution string o
 option says not to produce one on output, and
 .I \-H
 applies both.
+The
+.I \-x
+and
+.I \-y
+options give the horizontal and vertical map dimensions, respectively.
+If provided, then an input resolution string will not be expected.
 .PP
 The default input format is ASCII (user-readable) real values,
 corresponding to the
@@ -118,7 +126,7 @@ where x is measured from 0 on the left and y from 0 at
 in the standard orientation.
 Note that
 .I \-i
-implies that an encoded normal file is explicitly given on the command
+requires that an encoded depth file name be given on the command
 line, since the pixel coordinates are read from the standard input.
 Also, the
 .I \-H
@@ -141,4 +149,4 @@ ximage -op render.hdr | rcode_depth -i -p first.dpt
 Greg Ward
 .SH "SEE ALSO"
 rcalc(1), rcode_ident(1), rcode_norm(1), rcode2bmp(1),
-rlam(1), rsplit(1), rtpict(1)
+rcrop(1), rlam(1), rsplit(1), rtpict(1), rxpiece(1)