--- ray/doc/man/man1/ximage.1	2003/03/11 19:20:21	1.1
+++ ray/doc/man/man1/ximage.1	2010/01/07 17:52:38	1.6
@@ -1,7 +1,7 @@
-.\" RCSid "$Id"
+.\" RCSid "$Id: ximage.1,v 1.6 2010/01/07 17:52:38 greg Exp $"
 .TH XIMAGE 1 10/27/98 RADIANCE
 .SH NAME
-ximage - RADIANCE driver for X window system
+ximage - RADIANCE picture display for X window system
 .SH SYNOPSIS
 .B ximage
 [
@@ -125,6 +125,7 @@ Redraw the entire image.
 .TP
 .BR <return>
 Display the radiance averaged over the area of interest.
+The maximum of the three (RGB) channels is reported.
 .TP
 .BR l
 Display the luminance value in the area of interest.
@@ -132,7 +133,8 @@ This assumes that the image was correctly computed in 
 luminance.
 .TP
 .BR c
-Display the color in the area of interest.
+Display the color in the area of interest, as adjusted by the current
+exposure setting.
 .TP
 .BR p
 Display the x and y location of the cursor.
@@ -140,7 +142,7 @@ Display the x and y location of the cursor.
 .BR i
 Identify identical pixels by assigning a random color at the cursor position.
 This is useful for displaying contours, especially when combined
-with the -b option.
+with the \-b option.
 .TP
 .BR t
 Print information about the pixel under the cursor
@@ -161,7 +163,7 @@ l	luminance value
 .IP
 p	pixel position
 .IP
-The default output is "-ood", which prints
+The default output is "\-ood", which prints
 the ray origin and direction.
 This can be used as input to rtrace(1) to get additional information
 about the image (ie. pipe the output of ximage into rtrace).
@@ -239,4 +241,4 @@ Anat Grynberg (Paris)
 Philip Thompson (MIT)
 .SH "SEE ALSO"
 aedimage(1), normtiff(1), pcond(1), pfilt(1), rpict(1), rtrace(1),
-rview(1), xglaresrc(1), xshowtrace(1)
+rvu(1), xglaresrc(1), xshowtrace(1)