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="L4
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macro 正文：········· -JTG?JOd]
! centroid.zpl Y' ;>O `
! zj20;5o>U&
! Written by Kenneth Moore 9/1/92 < t}? $1
! Added TIMER function 4/18/96 qrDcL>Hrn
! S< x:t(
TIMER _01Px a2.
! b UvK
! The delta controls how many rays will be traced. A gX*K&*q
! delta of .025 will trace a 80 x 80 grid in the pupil. $Jf9;.
! rYGRz#:~+
delta = .025 CW0UMP E5
! MsjnRX:c3u
print "This program computes the chief ray coordinates," se, Z#H
print "centroid coordinates, and middle coordinates for" ZvH{wt
print "the primary wave spot at each field position." ( u f5\}x
maxfield = maxf() =Ahw%`/&}]
if maxfield == 0 then maxfield = 1 C EqZ:c
n = nsur() treXOC9^B8
f = 1 &;v!oe
label 1 7a<_BJXx
hx = fldx(f)/maxfield Gah lS*W
hy = fldy(f)/maxfield k18$JyaG
raytrace hx,hy,0,0 Y:pRcO.4g
format 10.4 hTw}X.<4
print mo9$NGM&}
print " X Field = ", fldx(f), ;$;rD0i|
print " Y Field = ", fldy(f) 0&$xX!]
print " X Chief = ",rayx(n), jG8;] XP
print " Y Chief = ",rayy(n) }m_t$aaUc1
xraymax = -9e9 k F - T G3
yraymax = -9e9 hTTfJDF
xraymin = 9e9 ,so4Lb(vG
yraymin = 9e9 ^saM$e^c:
xraytot = 0 'v`_Ii|-
yraytot = 0 F^rl$#pCS
numray = 0 x,1=D~L}
numrayattempt = 0 S=O$JP79
px = -1 - delta w LMvC {5
label 2 $L&BT 0
px = px + delta f)^t')
py = -1 - delta evOb
label 3 +/q0Y` v
py = py + delta #!d]PH746
rad = px*px + py*py ,?y7 ,nb
if rad <= 0.9999999 k7T
alR
raytrace hx, hy, px, py ifrq
numrayattempt = numrayattempt+1 GCH[lb>IJv
if !rayv(n) **************************** h,]+ >`b
numray = numray + 1 \7
Mq $ d
x = rayx(n) g7Z9F[d
y = rayy(n) q?i Cc c
if (x < xraymin) then xraymin = x oD,C<[(p
if (x > xraymax) then xraymax = x i4VK{G~g"
if (y < yraymin) then yraymin = y 6Zk sqdP8
if (y > yraymax) then yraymax = y ;eh/_hPM
xraytot = xraytot + x oCA(FQ6
yraytot = yraytot + y ^
LbGH<#J
endif #eLN1q&Z
endif W.$6 pzB(
if py < 1.0 then goto 3 6
[ _ fD
if px < 1.0 then goto 2 ITc `]K
if numray bK7.St
format 14.8 TkT-$=i
print " X Centroid = ",xraytot/numray, yoW>
BX
print " Y Centroid = ",yraytot/numray @+t (xCv
print " X Middle = ",(xraymax+xraymin)/2, 6ZEdihBei
print " Y Middle = ",(yraymax+yraymin)/2 2Oi' E
format .0 .C?GW1[c~@
print " ",numray, " out of ", numrayattempt," rays made it through." >1 3/h]3
else >Bx8IO1_\d
print " No rays made it through!" %/%gMRXG2
endif <Wf0QO,
f=f+1 b[0S=e
G
if f<= nfld() then goto 1 %`oHemSy
print `WlH*p)z9
print "All field positions done!" 1M/$<
kQ-N
FORMAT 0.1 k}< <bm*f
print "Elapsed time ", ETIM(), " seconds."
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