--- ray/doc/man/man1/ranimate.1	2006/04/18 04:50:43	1.8
+++ ray/doc/man/man1/ranimate.1	2022/06/01 16:59:34	1.11
@@ -1,4 +1,4 @@
-.\" RCSid "$Id: ranimate.1,v 1.8 2006/04/18 04:50:43 greg Exp $"
+.\" RCSid "$Id: ranimate.1,v 1.11 2022/06/01 16:59:34 greg Exp $"
 .TH RANIMATE 1 6/24/98 RADIANCE
 .SH NAME
 ranimate - compute a RADIANCE animation
@@ -157,7 +157,7 @@ how to adjust the exposure for each frame.
 As in
 .I pfilt,
 the exposure setting may be given either as a multiplier or as a
-number of f-stop adjustments (eg. +2 or -1.5).
+number of f\-stop adjustments (eg. +2 or \-1.5).
 Alternatively, a file name may be given, which
 .I ranimate
 will interpret as having one exposure value per line per frame,
@@ -180,7 +180,7 @@ options of rpict, along with appropriate suffixes,
 and thus should contain a
 .I printf(3)
 style integer field to distinguish one frame number from another.
-The final frames will use this name with a ".pic" suffix.
+The final frames will use this name with a ".hdr" suffix.
 The default value is the assigned
 .I DIRECTORY
 followed by "/frame%03d".
@@ -362,7 +362,7 @@ used otherwise.
 The default fraction is 0, meaning no motion blurring.
 This option does not currently work with the
 .I ANIMATE
-variable, since pinterp only works for static environments.
+variable.
 .TP
 .BR DBLUR
 This variable specifies the aperture diameter for depth-of-field blurring,
@@ -384,10 +384,8 @@ world coordinate units.
 For example, if you wish to simulate a 50mm lens at f/2.0 in
 a scene modeled in meters, then you divide 50mm by 2.0 to get 25mm,
 which corresponds to an effective aperture of 0.025 meters.
+The focus distance is determined by the length of the view directon vector.
 The default aperture is 0, meaning no depth-of-field blurring.
-This option does not currently work with the
-.I ANIMATE
-variable, since pinterp only works for static environments.
 .TP
 .BR RTRACE
 This boolean variable tells
@@ -489,7 +487,7 @@ If we only want to see what default values
 would use without actually executing anything, we can invoke it
 thus:
 .IP "" .2i
-ranimate -n -e sample.ran
+ranimate \-n \-e sample.ran
 .PP
 This will print the variables we have given as well as default
 values
@@ -520,7 +518,7 @@ INTERP= 3				# render every fourth frame
 RES= 1024				# shoot for 1024x resolution
 MBLUR= .25				# apply camera motion blur
 EXP= anim1.exp				# adjust exposure according to file
-pfilt= -r .9				# use Gaussian filtering
+pfilt= \-r .9				# use Gaussian filtering
 ARCHIVE= tar cf /dev/nrtape		# save original renderings to tape
 .fi
 .PP
@@ -528,7 +526,7 @@ Note the use of abbreviation for variable names.
 .SH FILES
 $(DIRECTORY)/STATUS	animation status file
 $(DIRECTORY)/*		other temporary files
-$(BASENAME).pic		final animation frames
+$(BASENAME).hdr		final animation frames
 .SH AUTHOR
 Greg Ward
 .SH BUGS