最近闲的无聊，看zemax的macro 下面有个宏里自带的macro，原样附下，讨论下标记为 ****************************的作用，为什么要以渐晕为判断标准，这个渐晕的真正作用是干什么的？附下RAYV（）->如果无渐晕则为0，否则为渐晕面的编号。(0 if ray was not vignetted,else vignetted surface number.valid only after a RAYTRACE or RAYTRACEEX call)。若大神赐教，小弟感激流涕············· ?Q;=v~-Q
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macro 正文：········· ?Z} &EH
! centroid.zpl (**oRw r%
! 1=v*O.XW`
! Written by Kenneth Moore 9/1/92 #[[ e n
! Added TIMER function 4/18/96 ]/{)bpu
! |5 ]X| v
TIMER e+=K d+:k
! !bP@ n
! The delta controls how many rays will be traced. A 8RHUeRX
! delta of .025 will trace a 80 x 80 grid in the pupil. H K% 7g
! z0 Z%m @
delta = .025 >@Kx>cg+
! 4mbBmQV$#
print "This program computes the chief ray coordinates," tT._VK]o&R
print "centroid coordinates, and middle coordinates for" =i3n42M#
print "the primary wave spot at each field position." EiaW1Cs
maxfield = maxf() 6wg^FD_Q
if maxfield == 0 then maxfield = 1 \}G^\p6?M
n = nsur() "uf%iJ:%
f = 1 wKY_Bo/d
label 1 H%{+QwzZ[j
hx = fldx(f)/maxfield DW3G
hy = fldy(f)/maxfield -ze J#B)C
raytrace hx,hy,0,0 %]7d`/
format 10.4 BL4 -7
print A/?7w
print " X Field = ", fldx(f), Fs^Mw
g o
print " Y Field = ", fldy(f) O.JN ENZf
print " X Chief = ",rayx(n), 5E
< kwi
print " Y Chief = ",rayy(n) J,6yYIq
xraymax = -9e9 ;9'OOz|+1
yraymax = -9e9 Zgb!E]V[
xraymin = 9e9 IUct
yraymin = 9e9 *n"{J(Jt`
xraytot = 0 yF/j Fn
yraytot = 0 BLJj(-
numray = 0 {7 pli{`
numrayattempt = 0 U`s{Jm
px = -1 - delta >5SSQ\ 2~a
label 2 k|f4Cf,
px = px + delta t ZB<on<.)
py = -1 - delta x$(f7?s] 1
label 3 W n}'bqp
py = py + delta S`]k>'
l
rad = px*px + py*py Dum9lj
if rad <= 0.9999999 S5EK~#-L [
raytrace hx, hy, px, py ij U*|8n{>
numrayattempt = numrayattempt+1 K~ EmD9
if !rayv(n) **************************** 2b8L\$1q
numray = numray + 1 SZCze"`[
x = rayx(n) rQ snhv
y = rayy(n) @=f\<"$vt
if (x < xraymin) then xraymin = x f`66h M[
if (x > xraymax) then xraymax = x ;xn0;V'=
if (y < yraymin) then yraymin = y p{dj~ &v
if (y > yraymax) then yraymax = y GsM<2@?
xraytot = xraytot + x caX<
n>
yraytot = yraytot + y 1yY0dOoLG)
endif @9|hMo
endif T&7qC=E#5
if py < 1.0 then goto 3 E&:,oG2M
if px < 1.0 then goto 2 o3}3p]S\
if numray % %UE+u @J
format 14.8 q- d: TMkc
print " X Centroid = ",xraytot/numray, IEvdV6{K
print " Y Centroid = ",yraytot/numray bi;1s'Y<D
print " X Middle = ",(xraymax+xraymin)/2, "tp Sg
print " Y Middle = ",(yraymax+yraymin)/2 ht}wEvv
format .0 o#1 $q`Z
print " ",numray, " out of ", numrayattempt," rays made it through." B4 }bVjs
else "@8li^
print " No rays made it through!" 18:%~>.!
endif lU8Hd|@-
f=f+1 lsNd_ 7k
if f<= nfld() then goto 1 #:%/(j
print )dd@\n$6
print "All field positions done!" %ULr8)R;
FORMAT 0.1 9( wK@
print "Elapsed time ", ETIM(), " seconds." x ]ot 2
