--- ray/src/px/pmblur.csh	2003/02/22 02:07:27	2.2
+++ ray/src/px/pmblur.csh	2005/01/18 03:59:41	2.3
@@ -1,10 +1,10 @@
 #!/bin/csh -f
-# RCSid: $Id: pmblur.csh,v 2.2 2003/02/22 02:07:27 greg Exp $
+# RCSid: $Id: pmblur.csh,v 2.3 2005/01/18 03:59:41 greg Exp $
 #
 # Generate views for motion blurring on picture
 #
 if ($#argv != 4) then
-	echo "Usage: $0 speed nsamp v0file v1file" >/dev/tty
+	echo "Usage: $0 speed nsamp v0file v1file"
 	exit 1
 endif
 set s = "$1"
@@ -14,7 +14,7 @@ set vn = "$4"
 cnt $n | rcalc -e `vwright C < $vc` -e `vwright N < $vn` \
 -e "t=$s/$n"'*($1+rand($1))' \
 -e 'opx=(1-t)*Cpx+t*Npx;opy=(1-t)*Cpy+t*Npy;opz=(1-t)*Cpz+t*Npz' \
--e 'odx=(1-t)*Cdx+t*Ndx;ody=(1-t)*Cdy+t*Ndy;odz=(1-t)*Cdz+t*Ndz' \
+-e 'odx=(1-t)*Cdx*Cd+t*Ndx*Nd;ody=(1-t)*Cdy*Cd+t*Ndy*Nd;odz=(1-t)*Cdz*Cd+t*Ndz*Nd' \
 -e 'oux=(1-t)*Cux+t*Nux;ouy=(1-t)*Cuy+t*Nuy;ouz=(1-t)*Cuz+t*Nuz' \
 -e 'oh=(1-t)*Ch+t*Nh;ov=(1-t)*Cv+t*Nv' \
 -o 'VIEW= -vp ${opx} ${opy} ${opz} -vd ${odx} ${ody} ${odz} -vu ${oux} ${ouy} ${ouz} -vh ${oh} -vv ${ov}'