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············· t jLp;%6e
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macro 正文：········· WRIOj Q:
! centroid.zpl P5;n(E(19
! k+qxx5 {
! Written by Kenneth Moore 9/1/92 ye?4^@u u
! Added TIMER function 4/18/96 dRC
RB
! LelCjC{`1
TIMER n/] w!
! TEB<ia3+
! The delta controls how many rays will be traced. A EY+/
foP
! delta of .025 will trace a 80 x 80 grid in the pupil. Z/
w}so
! 'DLgOUvh
delta = .025 w2 %u;D%
! "^g V.
print "This program computes the chief ray coordinates," {9mXJu$cc
print "centroid coordinates, and middle coordinates for" o}^/K m+t
print "the primary wave spot at each field position." pX 4 :WV
maxfield = maxf() s0D ,n1x
if maxfield == 0 then maxfield = 1 pp YIVI
n = nsur() Ebk9[=
f = 1 WxE^S ??|
label 1 x&^>| 'H
hx = fldx(f)/maxfield ?so=k&I-M
hy = fldy(f)/maxfield C6<*'5 T
raytrace hx,hy,0,0 v H[G#A~ 4
format 10.4 Uw`YlUT\
print c
qWX*&2_
print " X Field = ", fldx(f), ,?k0~fuG6
print " Y Field = ", fldy(f) cpY'::5.%
print " X Chief = ",rayx(n), <xn96|$
print " Y Chief = ",rayy(n) ;pH&YB Y
xraymax = -9e9 O8\ > ?4)
yraymax = -9e9 3P}^Wu
xraymin = 9e9 2D'b7zPJ3
yraymin = 9e9 HLL:nczj
xraytot = 0 }^b7x;O|
yraytot = 0 `qXCY^BH2
numray = 0 7A,QA5G ]C
numrayattempt = 0 A,H |c="
px = -1 - delta ?v5OUmFM
label 2 n PAl8
px = px + delta 6cQ )*,Q
py = -1 - delta $4Vp l
label 3 JkfVsmc<{h
py = py + delta ~ k(4eRq
rad = px*px + py*py ( M$2CL
if rad <= 0.9999999 }piDg(D
raytrace hx, hy, px, py %@q/OVnM
numrayattempt = numrayattempt+1 (9 !/bX<
if !rayv(n) **************************** ]Q qT.z%B
numray = numray + 1 Q$`u=-h|
x = rayx(n) XT "-
y = rayy(n) -O~ V4004
if (x < xraymin) then xraymin = x s:p6oEQ=J
if (x > xraymax) then xraymax = x BH;7CK=7R
if (y < yraymin) then yraymin = y RX"~m!2 6
if (y > yraymax) then yraymax = y HNMVs]/e
xraytot = xraytot + x :c?}~a~JO(
yraytot = yraytot + y 5eL_iNqJM
endif 7,v}Ap]Pa
endif S&q(PI_"
if py < 1.0 then goto 3 asj*/eC$/i
if px < 1.0 then goto 2 RJ63"F $
if numray [V2` t'
format 14.8 USDqh437
print " X Centroid = ",xraytot/numray, g~/@`Z2Y
print " Y Centroid = ",yraytot/numray rzk-_AFR
print " X Middle = ",(xraymax+xraymin)/2, VV%Q "0 \
print " Y Middle = ",(yraymax+yraymin)/2 rn8#nQ>QZ%
format .0 =QG0:z)K<v
print " ",numray, " out of ", numrayattempt," rays made it through." "d3qUk
else lFZ}.
print " No rays made it through!" KD(}- zUs
endif xRiWg/Z~
f=f+1 K}KgCJ3
if f<= nfld() then goto 1 A}h`%b
print WU:r:m+
>
print "All field positions done!" 4UV6'X)V
FORMAT 0.1 s9 \HjK*+
print "Elapsed time ", ETIM(), " seconds." IPTEOA<M[
