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············· znnnqR0us
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macro 正文：········· q> |&u
! centroid.zpl h hWIwR
! A \ARjSdb
! Written by Kenneth Moore 9/1/92 U/}YpLgdD
! Added TIMER function 4/18/96 y UnNf 2i
! ~ H`m"4zQ
TIMER 3Gi^TXE]
! C- 5QhD
! The delta controls how many rays will be traced. A Qe4O N3X!
! delta of .025 will trace a 80 x 80 grid in the pupil. M/?eDW/
! tE'^O<
K
delta = .025 R*0]*\C z
! jRiX N %
print "This program computes the chief ray coordinates," Y % 9$!
print "centroid coordinates, and middle coordinates for" ]QC9y:3
print "the primary wave spot at each field position." .>#X *u
maxfield = maxf() >PuQ{T I
if maxfield == 0 then maxfield = 1 %\"<lyD
n = nsur() M h"X9-Ot
f = 1 #{_iNr a9
label 1 Mc,3j~i
hx = fldx(f)/maxfield 6}l[%8
hy = fldy(f)/maxfield !,l k>j.V
raytrace hx,hy,0,0 HTz5LAe~b7
format 10.4 jYU N:
print e dTFk$0
print " X Field = ", fldx(f), wxJu=#!M
print " Y Field = ", fldy(f) [[$dPa9
print " X Chief = ",rayx(n), uwl_TDc>%
print " Y Chief = ",rayy(n) %lq[,6?>5
xraymax = -9e9 3 C{A
yraymax = -9e9 &R5zt]4d&
xraymin = 9e9 O NVhB
yraymin = 9e9 xO[V >Ud
xraytot = 0 ^XX_ qC'1
yraytot = 0 R_ W6}
numray = 0 /|0xOiib
numrayattempt = 0 mqtX7rej
px = -1 - delta Vx z `
label 2 ui
RO,B}z
px = px + delta :
&bJMzB
py = -1 - delta \VpN:RI
label 3 Gg e X
py = py + delta S=}1k,I
rad = px*px + py*py iD*21c< kd
if rad <= 0.9999999 40%fOu,u`
raytrace hx, hy, px, py p$=Z0p4%LL
numrayattempt = numrayattempt+1 |yl,7m/B-G
if !rayv(n) **************************** 2##; [
numray = numray + 1 !\VzX
x = rayx(n) {p. ^E5&
y = rayy(n) 3n,jrX75u
if (x < xraymin) then xraymin = x d.|*sZ&3p
if (x > xraymax) then xraymax = x %oB0@ &!mS
if (y < yraymin) then yraymin = y Q5c3C &$6
if (y > yraymax) then yraymax = y 0qINa:Ori
xraytot = xraytot + x IwXWtVL
yraytot = yraytot + y > ^=n|%
endif IR:GoD+
endif IaZmN.k*
if py < 1.0 then goto 3 {] bmecz
if px < 1.0 then goto 2 e
|K_y~
if numray jG~-V<&
format 14.8 Mw3$QRM
print " X Centroid = ",xraytot/numray, !2Gua1z!CJ
print " Y Centroid = ",yraytot/numray qV9}N-sS
print " X Middle = ",(xraymax+xraymin)/2, <6Y|vEo!N
print " Y Middle = ",(yraymax+yraymin)/2 )DmydyQ'
format .0 yAAV,?:o[
print " ",numray, " out of ", numrayattempt," rays made it through." 4E2#krE%
else o}DR p4;Ka
print " No rays made it through!" mPU}]1*p
endif b@ c( Nv
f=f+1 JH| D
if f<= nfld() then goto 1 zMRa < G7
print -:95ypi
print "All field positions done!" A_l\ij$Y
FORMAT 0.1 veu X />!
print "Elapsed time ", ETIM(), " seconds." 4# {f8
