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············· VVd9VGvh
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macro 正文：········· ^ gy"$F3{`
! centroid.zpl 8;%F-?
! 1{fu
! Written by Kenneth Moore 9/1/92 g- C)y
06
! Added TIMER function 4/18/96 Oax6_kmOj
! `@ _j Do
TIMER ES4[@RX
! j7 (S=
! The delta controls how many rays will be traced. A MH0xD
! delta of .025 will trace a 80 x 80 grid in the pupil. q0m> NA
! u5'jIqlU
delta = .025 R!+_mPb=Q*
! /h]#}y j
print "This program computes the chief ray coordinates," Wr j<}L|
print "centroid coordinates, and middle coordinates for" {uCX F~ v
print "the primary wave spot at each field position." &.v|yG]&
maxfield = maxf() ln1QY"g
if maxfield == 0 then maxfield = 1 r(ZMZ^
n = nsur() lH% %iYBM
f = 1 6_=t~9sY
label 1 c,yjsxETW
hx = fldx(f)/maxfield M#u~] ?hS
hy = fldy(f)/maxfield >h
Rq
raytrace hx,hy,0,0 FjU
-t/
format 10.4 J< vVsz+7:
print =Hd+KvA
print " X Field = ", fldx(f), # 0* oj/
print " Y Field = ", fldy(f) BJDSk#!J!{
print " X Chief = ",rayx(n), V * I2
print " Y Chief = ",rayy(n) Tlar@lC|u
xraymax = -9e9 2(i@\dZCb<
yraymax = -9e9 )c <X.4
xraymin = 9e9 K ; e R)
yraymin = 9e9 [ uLpm*7
xraytot = 0 "9 v4'"
yraytot = 0 "\~d!"n|2
numray = 0 }m -A #4.
numrayattempt = 0 xf7_ |l
px = -1 - delta />X"' G
label 2 t _"]n*zk1
px = px + delta fo" %4rkL
py = -1 - delta O pLo[Y\
label 3 J=?P`\h
py = py + delta (:|rCZC
rad = px*px + py*py 5OM*NT t
if rad <= 0.9999999 WbwS!F<au
raytrace hx, hy, px, py $/FL)m8.3
numrayattempt = numrayattempt+1 8-s7s!j
if !rayv(n) **************************** KBg5 _+l
numray = numray + 1 9=}&evGm89
x = rayx(n) &~&oB;uR
y = rayy(n) x:E:~h[.^
if (x < xraymin) then xraymin = x 6
=H]p1p~O
if (x > xraymax) then xraymax = x ..fbRt
if (y < yraymin) then yraymin = y 2]V&]s8Wi=
if (y > yraymax) then yraymax = y MC~<jJ,
xraytot = xraytot + x :>*0./hG
yraytot = yraytot + y O!k C
endif TMG|"|
endif 0x2[*pJ|IW
if py < 1.0 then goto 3 jmJeu@(
if px < 1.0 then goto 2 N
Wf IR L
if numray )1E#'v12 "
format 14.8 V'8Rz#Gc5
print " X Centroid = ",xraytot/numray,
5_+pgJL
print " Y Centroid = ",yraytot/numray s(8e)0Tl
print " X Middle = ",(xraymax+xraymin)/2, VT2f\d[Q
print " Y Middle = ",(yraymax+yraymin)/2 )ZMR4U$+v
format .0 .H}#,pQ}l
print " ",numray, " out of ", numrayattempt," rays made it through." $2>" 2*,04
else il[waUfmD
print " No rays made it through!" ^ 0g !,L
endif 2rWPqG4e
f=f+1 NI85|*h
if f<= nfld() then goto 1 ,DD} o
print Ya29t 98Pk
print "All field positions done!" L k]W?
FORMAT 0.1
x0||'0I0
print "Elapsed time ", ETIM(), " seconds." I\<) 9`O
