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············· /^8t'Jjd,
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macro 正文：········· {vCU^BN,k
! centroid.zpl I BF.&[[S
! rcpvH}N:
! Written by Kenneth Moore 9/1/92 r6<ArX$Yl
! Added TIMER function 4/18/96 H.f9d.<W%
! q
w"e0q% )
TIMER 6l=M;B7:i
! (''$' 5~
! The delta controls how many rays will be traced. A -1#e^9Ve\
! delta of .025 will trace a 80 x 80 grid in the pupil. X ^9t
! jeyaT^F(
delta = .025 *E$H;wKs8
! X{4xm,B /
print "This program computes the chief ray coordinates," _GRv
print "centroid coordinates, and middle coordinates for" b<48#Qy~l
print "the primary wave spot at each field position." #0xm3rFy4
maxfield = maxf() s' _$j$1
if maxfield == 0 then maxfield = 1 mn,=V[f
n = nsur() xU: PhhS
f = 1 I(F1S,7
label 1 69 [w/\
hx = fldx(f)/maxfield o (vZ*^\
hy = fldy(f)/maxfield ,[+ZjAyG}#
raytrace hx,hy,0,0 %Tk}s fx
format 10.4 5Xla_@WLW
print ;o&_:]S
print " X Field = ", fldx(f), P2s^= J0@
print " Y Field = ", fldy(f) InTKdr^ P
print " X Chief = ",rayx(n), 7ZrJ#n8?ih
print " Y Chief = ",rayy(n) q |m#IVc
xraymax = -9e9 =r=^bNO
yraymax = -9e9 >!CH7wX
xraymin = 9e9 FC|y'j 0
yraymin = 9e9 )3d:S*ly
xraytot = 0 T749@! v`z
yraytot = 0 `V$cz88b
numray = 0 k0Oc,P`'*
numrayattempt = 0 =W97|BIW,
px = -1 - delta jCdZ}M($
label 2 GhaAvyN
px = px + delta fte!Ll'
py = -1 - delta o%QhV6(F
label 3 $Y kp8u,(
py = py + delta 6+5(. z-[
rad = px*px + py*py uugz IV)
if rad <= 0.9999999 V_ avaE
raytrace hx, hy, px, py Q|zE@nLS
numrayattempt = numrayattempt+1 jp\JwE
if !rayv(n) **************************** .'+|>6eU
numray = numray + 1 _,Io(QS
x = rayx(n) ~j\;e
y = rayy(n) C gaB) `.
if (x < xraymin) then xraymin = x k
N
uN4/
if (x > xraymax) then xraymax = x NiU tH
if (y < yraymin) then yraymin = y &S t~!y6M?
if (y > yraymax) then yraymax = y ^[SbV^DOL
xraytot = xraytot + x 1L(Nfkh
yraytot = yraytot + y ;F IMCJS
endif 5Od(J5`
endif _dB0rsCnU%
if py < 1.0 then goto 3 0n =9TmE
if px < 1.0 then goto 2 P+ D|_3j
if numray \5v=pDd4g
format 14.8 ^y;OHo
print " X Centroid = ",xraytot/numray, &' oacV=
print " Y Centroid = ",yraytot/numray zrWq!F*-V\
print " X Middle = ",(xraymax+xraymin)/2, 6H . L!tUI
print " Y Middle = ",(yraymax+yraymin)/2 (urfaZ;@+
format .0 lMI
ix0sSj
print " ",numray, " out of ", numrayattempt," rays made it through." e`gGzyM
else }rb ]d'|
print " No rays made it through!" yQQDGFTb!=
endif 2TevdyI
f=f+1 d5Eee^Qu/
if f<= nfld() then goto 1 -qnXa
print +{ ,w#@
print "All field positions done!" OD2ai]!v+
FORMAT 0.1 4jZi6 2
print "Elapsed time ", ETIM(), " seconds." 'AlSq:gZ
