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············· /C6k+0ApMT
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macro 正文：········· FAj)OTI2S
! centroid.zpl pim!.=vN/U
! 2n|K5FR()
! Written by Kenneth Moore 9/1/92 \Rp-;.I@6
! Added TIMER function 4/18/96 x= 5N3[5
! D8x mE2%
TIMER 6E^.7%3
! D/Mi^5H)
! The delta controls how many rays will be traced. A F 9@h|#an
! delta of .025 will trace a 80 x 80 grid in the pupil. u4 /kR
! h"/< ?3{
delta = .025 D`$hPYK|_
! W`u[h0\ c
print "This program computes the chief ray coordinates," P 9vA7[
print "centroid coordinates, and middle coordinates for" ]VD|xm:kj
print "the primary wave spot at each field position." 0DJ+I
maxfield = maxf() fP(d8xTx2y
if maxfield == 0 then maxfield = 1 Ac<Phy-J
n = nsur()
b4QI)z
f = 1 =_:et 0
label 1 [@5Ytv H
hx = fldx(f)/maxfield HxIIO[h
hy = fldy(f)/maxfield !y@6Mm
raytrace hx,hy,0,0 H kQ ) n3
format 10.4 U4b0*` o
print ;J ayoJ
print " X Field = ", fldx(f), {qN 5MsY
print " Y Field = ", fldy(f) ~1>.A(,=z
print " X Chief = ",rayx(n), Np"exFqN k
print " Y Chief = ",rayy(n) :>Ay^{vf=
xraymax = -9e9 njWL U!
yraymax = -9e9 &FF"nE*
xraymin = 9e9 `.i!NBA'6
yraymin = 9e9 #g]vc_V
xraytot = 0 ;N 0~;I
yraytot = 0 "C I=`=
numray = 0 .8by"?**
numrayattempt = 0 6I4oi@hZz
px = -1 - delta Z )SY.iK.
label 2 2(#7[mgPI
px = px + delta !Ikt '5/
py = -1 - delta *q-['"f
label 3 HBu[gh;b
py = py + delta : {q < {^c
rad = px*px + py*py k\NMy#]Zt
if rad <= 0.9999999 i:OK8Q{VI
raytrace hx, hy, px, py \uaJ @{Vug
numrayattempt = numrayattempt+1 CnG+Mc^
if !rayv(n) **************************** Y07ZB'K
numray = numray + 1 USM 4r!x
x = rayx(n) $w);5o
y = rayy(n) cT!\{ ~
if (x < xraymin) then xraymin = x F!]lU`z)=
if (x > xraymax) then xraymax = x Q+W1lv8R
if (y < yraymin) then yraymin = y jAm3HI
if (y > yraymax) then yraymax = y c+hQSm|bf)
xraytot = xraytot + x O 8j_0
yraytot = yraytot + y 3%(N[&LU
endif g.zEn/SM
endif FXi{87F2
if py < 1.0 then goto 3 2kIa*#VOJ
if px < 1.0 then goto 2 U qFv}VsnF
if numray /Z@tv .f
format 14.8 no9;<]4
print " X Centroid = ",xraytot/numray, 5*,f
Fib
print " Y Centroid = ",yraytot/numray 4<lRPsvg c
print " X Middle = ",(xraymax+xraymin)/2, k{Me[ B
print " Y Middle = ",(yraymax+yraymin)/2 6 1F(<!
format .0 !3*(N8_|#
print " ",numray, " out of ", numrayattempt," rays made it through." tavpq.0O
else G"Sd@%W(
print " No rays made it through!" s#)5h0t#du
endif Zf65`K3
f=f+1 S|]X'f
if f<= nfld() then goto 1 Zw ^kmSL"
print q@nP}Pv&5
print "All field positions done!" JU^lyi!
FORMAT 0.1 @AIaC-,~]
print "Elapsed time ", ETIM(), " seconds." tm#nU w
