--- ray/src/util/trad.hlp 1995/09/28 14:11:45 2.15 +++ ray/src/util/trad.hlp 1995/10/05 13:03:04 2.16 @@ -1,4 +1,4 @@ - $Id: trad.hlp,v 2.15 1995/09/28 14:11:45 greg Exp $ + $Id: trad.hlp,v 2.16 1995/10/05 13:03:04 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 @@ -490,7 +490,7 @@ tot_flux is given in watts. (Divide total lumens by 179 lumens/watt to get watts.) The exposure value may either be given as a positive real value, or -as a real value preceeded by a '+' or '-' indicating a positive or +as a real value preceded by a '+' or '-' indicating a positive or negative number of f-stops (powers of two) from the original value. If no exposure is given, pfilt will automatically compute the @@ -707,7 +707,7 @@ The standard view up vector may be set to the positive the positive Y axis (+Y), the positive Z axis (+Z), the negative X axis (-X), the negative Y axis (-Y), or the negative Z axis (-Z). -This setting may always be overriden by the "-vu xd yd zd" option, +This setting may always be overridden by the "-vu xd yd zd" option, and will be altered for a particular view if it happens to be parallel to the view direction.