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············· (QTF+~)
w7 @TM%nS
macro 正文：········· Yu$QL@
! centroid.zpl ZuFcJ?8i
! -3K01p
! Written by Kenneth Moore 9/1/92 oo\7\b#J x
! Added TIMER function 4/18/96 &,l(2z[
! R b!y(&>v
TIMER E|vXM "zFl
! )_YB8jUR-X
! The delta controls how many rays will be traced. A D3B]
! delta of .025 will trace a 80 x 80 grid in the pupil. f DwK5?
! r3B}d*v
delta = .025 jsFfrS"*
! Kh$Q9$
print "This program computes the chief ray coordinates," Kl,NL]]4*5
print "centroid coordinates, and middle coordinates for" eaAGlEW6J
print "the primary wave spot at each field position." "<"m}rE?Q
maxfield = maxf() zM,r0Z
if maxfield == 0 then maxfield = 1 njc-=o
n = nsur() fX.1=BjX i
f = 1 byFO^pce
label 1 ]OtnekkK$
hx = fldx(f)/maxfield P)l_ :;&
hy = fldy(f)/maxfield !:PiQ19
'u
raytrace hx,hy,0,0 rz0)S
py6
format 10.4
/&c2O X|Z
print >J5C .hx
print " X Field = ", fldx(f), %.m+6
zaF
print " Y Field = ", fldy(f) wFX9F3m
print " X Chief = ",rayx(n), NS65F7<&
print " Y Chief = ",rayy(n) aeISb83Y |
xraymax = -9e9 Mf2F LrAh
yraymax = -9e9 $J^fp XO
xraymin = 9e9 9Ta0Li
yraymin = 9e9 DXo ]O}VF
xraytot = 0 ^)wKS]BQ..
yraytot = 0 `BQv;NtP
numray = 0 <PVwf`W.
numrayattempt = 0 ae2Q^yLA
px = -1 - delta $~S~pvT
label 2 Q~tXT_
px = px + delta *s,[Uy![
py = -1 - delta 8qqN0"{,
label 3 f1]zsn:
py = py + delta _1NK9dp:
rad = px*px + py*py {l)$9!
if rad <= 0.9999999 mU]VFPr5
raytrace hx, hy, px, py HhL;64OYa
numrayattempt = numrayattempt+1 pB4Uc<e
if !rayv(n) **************************** qm3H/cC9+
numray = numray + 1 jQ,Vs=*H
x = rayx(n) ,sIC=V +
y = rayy(n) <sw@P":F
if (x < xraymin) then xraymin = x <|3%}?
if (x > xraymax) then xraymax = x \"1>NJn&k)
if (y < yraymin) then yraymin = y <^\rv42'(2
if (y > yraymax) then yraymax = y x ZP*%yM
xraytot = xraytot + x l2LLM {B
yraytot = yraytot + y r=&,2meo
endif K8aqC{
endif vjq2(I)u
if py < 1.0 then goto 3 uN:KivVe
if px < 1.0 then goto 2 mUbm3JIjJ
if numray Z(7kwhP[`
format 14.8 ujRXAN@mC
print " X Centroid = ",xraytot/numray, mwo:+^v(
print " Y Centroid = ",yraytot/numray v,S5C
print " X Middle = ",(xraymax+xraymin)/2, S~i9~j A
print " Y Middle = ",(yraymax+yraymin)/2 `B w]PO
format .0 |)+
SG>-
print " ",numray, " out of ", numrayattempt," rays made it through." {Q3OT
else ]bJz-6u#:
print " No rays made it through!" rNR7}o~ qo
endif d ?8OY
f=f+1 HJ]xZ83pC
if f<= nfld() then goto 1 |ZL?P qki
print ~x^y5[5{
print "All field positions done!" {_Wrs.a' 8
FORMAT 0.1 g5|~ i{"0
print "Elapsed time ", ETIM(), " seconds." dgjK\pH`h
