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············· dQ4K^u
}uE8o"q
macro 正文：········· d.3O1TXK
! centroid.zpl [ZP8[Zl'?
!
&JpFt^IHi
! Written by Kenneth Moore 9/1/92 %Pb 5PIk4
! Added TIMER function 4/18/96 { !C ';^
! (gl/ NH!
TIMER VIxt;yE
! y`EcB f
! The delta controls how many rays will be traced. A OgTE^W@
! delta of .025 will trace a 80 x 80 grid in the pupil. vZns,K#4H\
! g(0
|p6R
delta = .025 O/(qi8En
! hL,+wJ+A
print "This program computes the chief ray coordinates," n_n0Q}du
print "centroid coordinates, and middle coordinates for" {&Fh $H!
print "the primary wave spot at each field position." %q@eCN
maxfield = maxf() [[P UK{P0
if maxfield == 0 then maxfield = 1 wxg`[c$:
n = nsur() *eO@<j?
f = 1 'sL>U$(
label 1 m$xyUv1
hx = fldx(f)/maxfield >_biiW~x :
hy = fldy(f)/maxfield Aghcjy|j
raytrace hx,hy,0,0 nuB@Fkr
format 10.4 qG/a 5i
print %&yD^ q_
print " X Field = ", fldx(f), S4]xxc
print " Y Field = ", fldy(f) Lj$yGd K<
print " X Chief = ",rayx(n), sM?bUg0w
print " Y Chief = ",rayy(n) ,0#5kc*X
xraymax = -9e9 ?zKVXK7}0
yraymax = -9e9 .Jz$)R
xraymin = 9e9 PZF>ia}
yraymin = 9e9 )T:{(v7 d`
xraytot = 0 =>hq0F4[;
yraytot = 0 D4m2*%M
numray = 0 S #X$QD
numrayattempt = 0 W9?Yz l
px = -1 - delta QK\QvU2y
label 2 Lrr^obc
px = px + delta #(jozl_8
py = -1 - delta aho;HM$hjP
label 3 '?5=j 1
py = py + delta w.c Q|_
rad = px*px + py*py 'f<0&Ci8
if rad <= 0.9999999 9 jiZtwRpk
raytrace hx, hy, px, py B:tST(
numrayattempt = numrayattempt+1 n ]x4twZ
if !rayv(n) **************************** ehXj.z
numray = numray + 1 f{l g{gA(
x = rayx(n) {W } .z
y = rayy(n) 4T6d ju
if (x < xraymin) then xraymin = x GljxYH"]#
if (x > xraymax) then xraymax = x ;0} $zy1EZ
if (y < yraymin) then yraymin = y $.(>Sj1
if (y > yraymax) then yraymax = y )vsiX}3
xraytot = xraytot + x ,:-S<]fS{_
yraytot = yraytot + y / MSz{ %v
endif A5Yfm.Jy
endif I?"cEp
if py < 1.0 then goto 3 ]}F_nc2L
if px < 1.0 then goto 2 KS'? DO
if numray T"t3e=xA
format 14.8 6@!<' l%z
print " X Centroid = ",xraytot/numray, c\.4 I4uy
print " Y Centroid = ",yraytot/numray [e ;K$
print " X Middle = ",(xraymax+xraymin)/2, PBr-< J
print " Y Middle = ",(yraymax+yraymin)/2 FgRlxz
format .0 J']1 ^"_'
print " ",numray, " out of ", numrayattempt," rays made it through." &^1DNpUZ
else m$A|Sx&sG$
print " No rays made it through!" V_!hrKkL
endif ]BCH9%zLj
f=f+1 g`gH]W
FcG
if f<= nfld() then goto 1 8:-[wl/@
print 6+FmYp
print "All field positions done!" bR49(K$~
FORMAT 0.1 R#Id"O
print "Elapsed time ", ETIM(), " seconds." Tm[IOuhM'?
