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············· { +
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macro 正文：········· QSszn`e
! centroid.zpl 8TLgNQP
! QD:{U8YbF$
! Written by Kenneth Moore 9/1/92 o4 K ~
! Added TIMER function 4/18/96 ;; C?{
! GS a [
oh
TIMER ,}EC F>
! 4, CXJ2
! The delta controls how many rays will be traced. A XkXHGDEf 1
! delta of .025 will trace a 80 x 80 grid in the pupil. -xEXN[\S
! 1p/3 !1
delta = .025 ZaV8qAsP
! kT"Kyd
print "This program computes the chief ray coordinates," 7Z\--=;|[:
print "centroid coordinates, and middle coordinates for" MHX?@.
v
print "the primary wave spot at each field position." VcSV u
maxfield = maxf() s/q7.y7n{
if maxfield == 0 then maxfield = 1 g1W.mAA3B
n = nsur() w35J.zn
f = 1 smRE!f *q
label 1 vdx0i&RiL
hx = fldx(f)/maxfield jB$IyQ;@
hy = fldy(f)/maxfield T_@K& <
raytrace hx,hy,0,0 ]|zp0d=&o
format 10.4 17oa69G
print rvbLyv;~
print " X Field = ", fldx(f), |:xYE{*)H
print " Y Field = ", fldy(f) \Zqng
print " X Chief = ",rayx(n), [<g?WPCcC
print " Y Chief = ",rayy(n) beRVD> T
xraymax = -9e9 M<.d8?p )
yraymax = -9e9 )FF>IFHG
xraymin = 9e9 si `A:14R
yraymin = 9e9 [y'f|XN
xraytot = 0 m '6&9Ja k
yraytot = 0 h]5C|M|
numray = 0 7hlO#PYZ
numrayattempt = 0
A: 5x|
px = -1 - delta H%UL%l$
label 2 / %}*Xh
px = px + delta JEahGzO
py = -1 - delta {mZC$U'
label 3 6K-_pg]
py = py + delta TZ(cu>
rad = px*px + py*py w)k N kD
if rad <= 0.9999999 5 NS[dQG5
raytrace hx, hy, px, py K?B{rE Lp
numrayattempt = numrayattempt+1 Rr X[|GLSJ
if !rayv(n) **************************** 86 W9rR
numray = numray + 1 ]h* c,.
x = rayx(n) 5iz{op<$,
y = rayy(n) # {?PbBE}
if (x < xraymin) then xraymin = x 8\^}~s$$A
if (x > xraymax) then xraymax = x s%C)t6 `9
if (y < yraymin) then yraymin = y ?Z Rs\+{vG
if (y > yraymax) then yraymax = y \Xm,OE_v"
xraytot = xraytot + x .S(TxksCz
yraytot = yraytot + y m?pstuUK(
endif , SynnE68
endif 5] [Ztx
if py < 1.0 then goto 3 -+ S F
if px < 1.0 then goto 2 Cjqklb/
if numray xO^:_8=&:
format 14.8 PP;}e
print " X Centroid = ",xraytot/numray, /^X/ 8
print " Y Centroid = ",yraytot/numray +$C 4\$t
print " X Middle = ",(xraymax+xraymin)/2, Ir`eL
print " Y Middle = ",(yraymax+yraymin)/2 }.3nthgz
format .0 -fwoTGlX
print " ",numray, " out of ", numrayattempt," rays made it through." 96 q_ K84K
else {1V ($aBl
print " No rays made it through!" QMa;Gy
endif $@^pAP
f=f+1 Hyb3 ;yQ
if f<= nfld() then goto 1 \>jLRb|7Ts
print ;>
_$`
print "All field positions done!" OMWbZ>jB
FORMAT 0.1 P3c R l']
print "Elapsed time ", ETIM(), " seconds." //T>G_1
