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············· Tzex\]fw
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macro 正文：········· )Zr 9
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! centroid.zpl HK!ecQ^+
! nQc#AFg
! Written by Kenneth Moore 9/1/92 p)IL(_X)
! Added TIMER function 4/18/96 I$7eiW @
! R_PF*q2 '
TIMER [%. v;+L
! vamZKm~p
! The delta controls how many rays will be traced. A *1d Ds^D#|
! delta of .025 will trace a 80 x 80 grid in the pupil. KG'i#(u[
! ! K>iSF<
delta = .025 =j,WQ6 6r3
! ]b4IO4 T
print "This program computes the chief ray coordinates," 6z 9
'|;,4
print "centroid coordinates, and middle coordinates for"
_>-
D*l
print "the primary wave spot at each field position."
;/K2h_=3z
maxfield = maxf() cszvt2BI g
if maxfield == 0 then maxfield = 1 -* ,CMw
n = nsur() <sH}X$/
f = 1 \Rny*px
label 1 L80(9Y^xn
hx = fldx(f)/maxfield cl~Yx 4
hy = fldy(f)/maxfield e,U:H~+]
raytrace hx,hy,0,0 11=$] K>
format 10.4 &~,4$& _
print UD.b b
print " X Field = ", fldx(f), Jx e+LG
print " Y Field = ", fldy(f) W$c@C02<
print " X Chief = ",rayx(n), x} ] 56f
print " Y Chief = ",rayy(n) ;m( iKwDt
xraymax = -9e9 u7!9H<{>P
yraymax = -9e9 Zl9@E;|=
xraymin = 9e9 w_(3{P[Iz
yraymin = 9e9 HxG8 'G
xraytot = 0 isZ5s \
yraytot = 0 %nZl`<M
numray = 0 {D +mr[ %
numrayattempt = 0 ~r --dU
px = -1 - delta 7j]v_2S`
label 2 @]@|H?
px = px + delta ,EB}IG ]
py = -1 - delta 7>E.0 D P
label 3 AcH-TIgM/
py = py + delta *T5;d h (
rad = px*px + py*py cl4 E6\?z
if rad <= 0.9999999 V 0nQmsP1U
raytrace hx, hy, px, py Q.mJ7T~T
numrayattempt = numrayattempt+1 >fPo_@O
if !rayv(n) **************************** $83B10OQ&L
numray = numray + 1 d!,t_jM0
x = rayx(n) <L &EH@T
y = rayy(n) mayJwBfU
if (x < xraymin) then xraymin = x aLO^>",
if (x > xraymax) then xraymax = x AJPvwu}D
if (y < yraymin) then yraymin = y zCx4DN`
if (y > yraymax) then yraymax = y sXIYl% d
xraytot = xraytot + x </h ^%mnd
yraytot = yraytot + y V>{< pS
endif h@:K=gg K
endif 8H!QekQZ]\
if py < 1.0 then goto 3 9j,g&G.K
if px < 1.0 then goto 2 z|l*5@p
if numray 3N7H7(IR
format 14.8 +EETo):
print " X Centroid = ",xraytot/numray, EYAaK^ &
print " Y Centroid = ",yraytot/numray fr@F7s5}
print " X Middle = ",(xraymax+xraymin)/2, ]R__$fl`8
print " Y Middle = ",(yraymax+yraymin)/2 Tg\bpLk0=
format .0 K@D\5s|1|
print " ",numray, " out of ", numrayattempt," rays made it through." zsFzg.$3&
else Cm}2 >eH
print " No rays made it through!" r* *zjv>
endif wKV4-uyr
f=f+1 NTg@UT <
if f<= nfld() then goto 1 n<I{x^!
print IPiV _c-l
print "All field positions done!" D &@]
FORMAT 0.1 !IxO''4
print "Elapsed time ", ETIM(), " seconds." ?^}30V:E
