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············· ,9 ^ 5
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macro 正文：········· m`zd0IRTP
! centroid.zpl }`
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! GB `n
! Written by Kenneth Moore 9/1/92 BeRs;^r+
! Added TIMER function 4/18/96 D_<B^3w )
! !-qk1+<h
TIMER n5xG4.#G
! !V #*(_+n
! The delta controls how many rays will be traced. A Kc
r)W
! delta of .025 will trace a 80 x 80 grid in the pupil. Ap\]v2G
! 7>7 n|N
delta = .025 o+ OX^F0
! % O%;\t
print "This program computes the chief ray coordinates," mhIGunK;+
print "centroid coordinates, and middle coordinates for" :W&kl UU"
print "the primary wave spot at each field position." `,pBOh|'
maxfield = maxf() nq7)0F%e
if maxfield == 0 then maxfield = 1 vQXF$/S
n = nsur() |#*+#27
f = 1 >@4Ds"Ye"O
label 1 uq:'`o-1
hx = fldx(f)/maxfield AS0(NlV
hy = fldy(f)/maxfield /-<]v 3J
raytrace hx,hy,0,0 nC/T$
#G
format 10.4 ~:!& }e5
print cQh{z8Bf?<
print " X Field = ", fldx(f), .O~rAu*K
print " Y Field = ", fldy(f) [uie]*^
print " X Chief = ",rayx(n), -=rGN"(M
_
print " Y Chief = ",rayy(n) Y A8/TFu<_
xraymax = -9e9 ) tV]h#4
yraymax = -9e9 O{]}{Ss
xraymin = 9e9 0~<t :q!
yraymin = 9e9 (#je0ES
xraytot = 0 +f]I7e:qp
yraytot = 0 ioTqT:.
numray = 0 QKz2ONV=)
numrayattempt = 0 R'K /\
px = -1 - delta mMhe,8E&
label 2 ?1]B(V9nBq
px = px + delta 3kJSz-_M
py = -1 - delta _["97 >q
label 3 `n|k+ts C
py = py + delta `~=Is.V[
rad = px*px + py*py l%2B4d9"v
if rad <= 0.9999999 R<h0RKiM@
raytrace hx, hy, px, py 8r\xQr'8h
numrayattempt = numrayattempt+1 Eh_[8:dK
if !rayv(n) **************************** #@5 jOi
numray = numray + 1 a~tBg y+9
x = rayx(n)
t.O4-+$ig
y = rayy(n) y7*^H
if (x < xraymin) then xraymin = x 5o(=?dXm4
if (x > xraymax) then xraymax = x v g tJ+GjN
if (y < yraymin) then yraymin = y ;rF:$ 37^
if (y > yraymax) then yraymax = y tK <) A)
xraytot = xraytot + x S
1J i\
yraytot = yraytot + y Q([g1?F9*
endif FUPJ&7+B
endif VKrKA71Z~
if py < 1.0 then goto 3 / dn]`Ge)
if px < 1.0 then goto 2 wIbc8ze
if numray P#Ikj& l
format 14.8 s{j3F
print " X Centroid = ",xraytot/numray, pm;g)p?
print " Y Centroid = ",yraytot/numray ' :] w
print " X Middle = ",(xraymax+xraymin)/2, z!j`Qoh?V9
print " Y Middle = ",(yraymax+yraymin)/2 %^ E>~
format .0 U(qM( E
print " ",numray, " out of ", numrayattempt," rays made it through." 0$49 X
else a-DE-V Uls
print " No rays made it through!" 8%U )EU
endif BQ&h&57K
f=f+1 q`;URkjk
if f<= nfld() then goto 1 IPE (
print mKq9mA"(E
print "All field positions done!" I `KN8ll
FORMAT 0.1 e S
Fmx
print "Elapsed time ", ETIM(), " seconds." Bp6Evi
