--- ray/doc/man/man1/rtrace.1	2007/09/04 17:36:41	1.15
+++ ray/doc/man/man1/rtrace.1	2008/11/10 19:08:17	1.16
@@ -1,4 +1,4 @@
-.\" RCSid "$Id: rtrace.1,v 1.15 2007/09/04 17:36:41 greg Exp $"
+.\" RCSid "$Id: rtrace.1,v 1.16 2008/11/10 19:08:17 greg Exp $"
 .TH RTRACE 1 10/17/97 RADIANCE
 .SH NAME
 rtrace - trace rays in RADIANCE scene
@@ -618,16 +618,16 @@ To compute illuminance values at locations selected wi
 command of
 .I ximage(1):
 .IP "" .2i
-ximage scene.pic | rtrace \-h \-x 1 \-i scene.oct | rcalc \-e '$1=47.4*$1+120*$2+11.6*$3'
+ximage scene.hdr | rtrace \-h \-x 1 \-i scene.oct | rcalc \-e '$1=47.4*$1+120*$2+11.6*$3'
 .PP
 To record the object identifier corresponding to each pixel in an image:
 .IP "" .2i
-vwrays \-fd scene.pic | rtrace \-fda `vwrays \-d scene.pic` \-os scene.oct
+vwrays \-fd scene.hdr | rtrace \-fda `vwrays \-d scene.hdr` \-os scene.oct
 .PP
 To compute an image with an unusual view mapping:
 .IP "" .2i
 cnt 640 480 | rcalc \-e 'xr:640;yr:480' \-f unusual_view.cal | rtrace
-\-x 640 \-y 480 \-fac scene.oct > unusual.pic
+\-x 640 \-y 480 \-fac scene.oct > unusual.hdr
 .SH ENVIRONMENT
 RAYPATH		the directories to check for auxiliary files.
 .SH FILES