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············· wK[xLf
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macro 正文：········· Je Jc(e
! centroid.zpl uE>2 *u\
! j`\} xDg
! Written by Kenneth Moore 9/1/92 1@ H3!V4
! Added TIMER function 4/18/96 $b#"Rv
! ".qh]RVjV
TIMER =S-'*F
! MS6^= ["
! The delta controls how many rays will be traced. A '$M=H.
! delta of .025 will trace a 80 x 80 grid in the pupil. "~4ULl< i'
! m&OzT~?_>N
delta = .025 DB yRP-TH
!
Y>+\:O
print "This program computes the chief ray coordinates," )#r]x1[Kn
print "centroid coordinates, and middle coordinates for" ,c6 ID|\
print "the primary wave spot at each field position." }0T1* .Cz
maxfield = maxf() aIk%$M at
if maxfield == 0 then maxfield = 1 laqW
{sX^5
n = nsur() +EcN[-~
f = 1 (i7]N[
label 1 R tn.cS d
hx = fldx(f)/maxfield MOyQ 4<_
hy = fldy(f)/maxfield
_tN"<9v.
raytrace hx,hy,0,0 K ^1bR(a
format 10.4 <!&&Qd-d6H
print H~@E&qd
print " X Field = ", fldx(f), =%|S$J
print " Y Field = ", fldy(f) NrTQ}_3)
print " X Chief = ",rayx(n), "!gd)^<e
print " Y Chief = ",rayy(n) PK u+$
xraymax = -9e9 UR?[ba_h
yraymax = -9e9 ;y?,myO
xraymin = 9e9 J; +iW*E:
yraymin = 9e9 dKw* L|5
xraytot = 0 >(u =/pp=:
yraytot = 0 MZE 8Cvq0
numray = 0 Fy<dk}@
numrayattempt = 0 jR\T\r4
px = -1 - delta 9S.Uo[YY
label 2 TC3xrE:U<m
px = px + delta b IcLMG
s
py = -1 - delta p ,@_A'
label 3 W z3y+I/&
py = py + delta ow
~(k5k:
rad = px*px + py*py F`U%xn,
if rad <= 0.9999999 ^l
~i >:V
raytrace hx, hy, px, py .-[UHO05^8
numrayattempt = numrayattempt+1 f> 5{SoM
if !rayv(n) **************************** 1Af~6jz
numray = numray + 1 +is;$ 1rq
x = rayx(n) wa W2$9O
y = rayy(n) ./)A6O*#
if (x < xraymin) then xraymin = x ]~ )FMWQz-
if (x > xraymax) then xraymax = x J
\1&3r|R
if (y < yraymin) then yraymin = y x\!Qe\lE
if (y > yraymax) then yraymax = y ge[f/"u
xraytot = xraytot + x JMpjiB,A}
yraytot = yraytot + y YQiTx)_
endif f5Zx:g
endif BM1uZJ0
if py < 1.0 then goto 3 Sq} hx
if px < 1.0 then goto 2 v' S}&zmF]
if numray t*82^KDU
format 14.8 LqPn$rZ|$
print " X Centroid = ",xraytot/numray, !Z,h5u\.w
print " Y Centroid = ",yraytot/numray Io {)@H"f
print " X Middle = ",(xraymax+xraymin)/2, 3.?Pd K&C
print " Y Middle = ",(yraymax+yraymin)/2 W sQo+Ua
format .0 }f<.07
print " ",numray, " out of ", numrayattempt," rays made it through." _NA0$bGN9
else 0CQ\e1S,#
print " No rays made it through!" k(><kuJ`3
endif jhUab ],
f=f+1 X26gl ' U
if f<= nfld() then goto 1 'u{m37ZJ
print v1QE|@
print "All field positions done!" Gb<)U[Hfd
FORMAT 0.1 ,+KZn}>
print "Elapsed time ", ETIM(), " seconds." S>aN#
