--- ray/src/util/trad.hlp	1995/07/06 12:23:37	2.11
+++ ray/src/util/trad.hlp	1995/08/18 10:34:56	2.12
@@ -1,4 +1,4 @@
-	$Id: trad.hlp,v 2.11 1995/07/06 12:23:37 greg Exp $
+	$Id: trad.hlp,v 2.12 1995/08/18 10:34:56 greg Exp $
 
 This help file is associated with the trad interface to the Radiance
 rad(1) program.  Trad consists of trad.wsh and one do_*.tcl file for
@@ -569,15 +569,15 @@ An invented name should be kept as short as possible, 
 added to the picture file name along with the standard ".pic" suffix.
 
 The standard views are specified by strings of the form
-"[Xx]?[Yy]?[Zz]?[vlah]?".
+"[Xx]?[Yy]?[Zz]?[vlahc]?".
 (That is, an optional upper or lower case X followed by an optional
 upper or lower case Y followed by an optional upper or lower case Z
-followed by an optional lower case V, L, A or H.)
+followed by an optional lower case V, L, A, H or C.)
 The letters indicate the desired view position, where upper case "X"
 means maximum X, lower case "y" means minimum Y and so on.
 The final letter is the view type, where 'v' is perspective (the
-default), 'l' is parallel, 'a' is angular fisheye, and 'h' is
-hemispherical fisheye.
+default), 'l' is parallel, 'a' is angular fisheye, 'h' is
+hemispherical fisheye and 'c' is for cylindrical panorama.
 A perspective view from maximum X, minimum Y would be "Xy" or
 "Xyv".
 A parallel view from maximum Z would be "Zl".
@@ -618,8 +618,9 @@ interaction mode for trad.
 Consult the rpict(1) manual page for a full description of the various
 view options, all of which begin with "-v".
 Just briefly, the "-vt?" option sets the view type, where "?" is
-replaced by one of the letters "v, l, a or h", corresponding to
-perspective, parallel, angular and hemispherical fisheye, respectively.
+replaced by one of the letters "v, l, a, h or c", corresponding to
+perspective, parallel, angular fisheye, hemispherical fisheye
+and cylindrical panorama, respectively.
 The "-vp x y z" option sets the view position (eyepoint), where "x y z"
 is replaced by the position in 3-space.
 The "-vd xd yd zd" option sets the view direction, where "xd yd zd"