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············· z}Y23W&sX
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macro 正文：········· iYbp ^iVg
! centroid.zpl k55s-%Ayr
! {jyI7 r#X
! Written by Kenneth Moore 9/1/92 $H\[yg>4
! Added TIMER function 4/18/96 yg}zK>j^vC
! BhAWIH8@C
TIMER h?t#ABsVK
! R#"LP7\
! The delta controls how many rays will be traced. A g2?kC^=z=
! delta of .025 will trace a 80 x 80 grid in the pupil. FKYPkFB
! =f48[=
delta = .025 `O5 Hzb (}
! #eRrVjbo
print "This program computes the chief ray coordinates," eX s^YPi
print "centroid coordinates, and middle coordinates for" VkF vV><"
print "the primary wave spot at each field position." _LVwjZX[
maxfield = maxf() )I~U&sT\/
if maxfield == 0 then maxfield = 1 l]g
/rs
n = nsur() 4o/}KUu(*
f = 1 ojmF:hR"
label 1 nK!yu?mS
hx = fldx(f)/maxfield 31VDlcn E
hy = fldy(f)/maxfield rC !!X
raytrace hx,hy,0,0 / # <R
format 10.4 gKPqW h
print seQSDCsvw*
print " X Field = ", fldx(f), 9F~e^v]zp
print " Y Field = ", fldy(f) Bqcih$`BVU
print " X Chief = ",rayx(n), Gy;>.:n
print " Y Chief = ",rayy(n) y
nue;* rM
xraymax = -9e9 !O*'mX
yraymax = -9e9 ~mSW.jy}=-
xraymin = 9e9 kjj4 %0"
yraymin = 9e9 st_.~m!/
xraytot = 0 =D>,s)}o3;
yraytot = 0 Gt4/ax:A@
numray = 0 Tasmbo^mAF
numrayattempt = 0 |2L| Zp&
px = -1 - delta @Sr{6g*I
label 2 ?&gqGU}
px = px + delta ^uWPbW&/q
py = -1 - delta kT@m*Etr {
label 3 y
4
wV]1
py = py + delta hSN{jl{L`
rad = px*px + py*py {/)q=
if rad <= 0.9999999 Yg<L pjq5X
raytrace hx, hy, px, py }]<Ghns
numrayattempt = numrayattempt+1 i]cD{ hv
if !rayv(n) **************************** bHKTCPf
numray = numray + 1 *dAQ{E(rO
x = rayx(n) f]_{4Olk
y = rayy(n) cD%_+@GaU
if (x < xraymin) then xraymin = x *jf%Wj )0M
if (x > xraymax) then xraymax = x A,'F`a u
if (y < yraymin) then yraymin = y .S_7R/2(?
if (y > yraymax) then yraymax = y +!~"o oQZh
xraytot = xraytot + x Tqf:G4!
yraytot = yraytot + y O|} p=ny
endif mi';96
endif x]Pp|rHj
if py < 1.0 then goto 3 p{vGc-zP .
if px < 1.0 then goto 2 *2T"lpl
if numray UR|Au'iu
format 14.8 BNw};.lO
print " X Centroid = ",xraytot/numray, q+Ec|Xd
e
print " Y Centroid = ",yraytot/numray %&5PZmnW
print " X Middle = ",(xraymax+xraymin)/2, De-hHY{>
print " Y Middle = ",(yraymax+yraymin)/2 Ueb&<tS
format .0 L- 9 AJk>V
print " ",numray, " out of ", numrayattempt," rays made it through." ) ep1`n-
else 94}y,\S ~
print " No rays made it through!" e0$.|+
endif Dq~ \U&U\$
f=f+1 sd5)We
if f<= nfld() then goto 1 W]W[oTJ5
print L%`MoTpK q
print "All field positions done!" jh J'fI
FORMAT 0.1 u~~H'*EM
print "Elapsed time ", ETIM(), " seconds." c;B: o
