--- ray/doc/man/man1/pcompos.1	2003/03/11 19:20:21	1.1
+++ ray/doc/man/man1/pcompos.1	2010/05/17 18:02:24	1.6
@@ -1,10 +1,12 @@
-.\" RCSid "$Id"
+.\" RCSid "$Id: pcompos.1,v 1.6 2010/05/17 18:02:24 greg Exp $"
 .TH PCOMPOS 1 12/18/97 RADIANCE
 .SH NAME
 pcompos - composite RADIANCE pictures.
 .SH SYNOPSIS
 .B pcompos
 [
+.B \-h
+][
 .B "\-x xres"
 ][
 .B "\-y yres"
@@ -74,6 +76,13 @@ The
 option specifies a background color to appear wherever input
 files do not cover.
 The default value is black (0 0 0).
+The
+.I \-h
+option may be used to reduce the information header size, which
+can grow disproportionately after multiple runs of
+.I pcompos
+and/or
+.I pcomb(1).
 .PP
 If input files overlap, later pictures will overwrite earlier ones.
 By default, input files are copied unconditionally within the output
@@ -141,19 +150,19 @@ by preceeding it with an exclamation point ('!').
 .SH EXAMPLE
 To put a copyright label at the bottom of a picture:
 .IP "" .2i
-psign Copyright 1987 | pcompos pic.inp 0 0 +t .5 - 384 64 > pic.out
+psign Copyright 1987 | pcompos inp.hdr 0 0 +t .5 - 384 64 > out.hdr
 .PP
 To make a catalog of images separated by white 10-pixel borders:
 .IP "" .2i
-pcompos -la -a 4 -s 10 -b 1 1 1 dog*.pic > alldogs.pic
+pcompos \-la \-a 4 \-s 10 \-b 1 1 1 dog*.hdr > alldogs.hdr
 .SH NOTES
 Since there is a limit to the number of open files and processes,
 large collections of images must be created in stages.
 Even if the system limit on open files is large,
 .I pcompos
-places an artificial limit of 64 on the number of open files and/or
+places an artificial limit of 1024 on the number of open files and/or
 processes.
 .SH AUTHOR
 Greg Ward
 .SH "SEE ALSO"
-getinfo(1), pfilt(1), psign(1), rpict(1)
+getinfo(1), pcomb(1), pfilt(1), psign(1), rpict(1)