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············· /| GH0L
nu 7lh6o=
macro 正文：········· @P70W<<
! centroid.zpl DPPS?~Pq
! %aLC H\e
! Written by Kenneth Moore 9/1/92 IvSn> o
! Added TIMER function 4/18/96 ;nf& c;D
! /VtlG+dLl
TIMER i]M"Cu*
! -lp"#^ ;
! The delta controls how many rays will be traced. A 5^|"_Q#:
! delta of .025 will trace a 80 x 80 grid in the pupil. U ?6yke
! g 3a/ ;wl
delta = .025 !" (u_dFw
! ?cBO6^
print "This program computes the chief ray coordinates," i_ YW;x
print "centroid coordinates, and middle coordinates for" J8h7e}n?
print "the primary wave spot at each field position." .wri 5
maxfield = maxf() - h9#G{2W[
if maxfield == 0 then maxfield = 1 +w ts 7,3
n = nsur() e-!?[Ujv*%
f = 1 <[8@5 ?&&
label 1 p DhY%w#
hx = fldx(f)/maxfield ]|BojSL_
hy = fldy(f)/maxfield C@) pmSQ
raytrace hx,hy,0,0 |J ?:91
format 10.4 As}eUm)B5c
print ZV #$Z
print " X Field = ", fldx(f), .P%ym~ S
print " Y Field = ", fldy(f) f#mx:Q.7I
print " X Chief = ",rayx(n), V(I7*_ZFl
print " Y Chief = ",rayy(n) Z%;)@0~f
xraymax = -9e9 \Jf9npz3
yraymax = -9e9 ;r@!a!NLB
xraymin = 9e9 GR Q_+K
yraymin = 9e9 4a 4N
C
xraytot = 0 ~1d!hq?/q
yraytot = 0 THr8o V5
numray = 0 .S6 ji~;r
numrayattempt = 0 #jgqkMOd,j
px = -1 - delta - XLo0
label 2 -4%]QS
px = px + delta 2mLUdx~c
py = -1 - delta wVQdUtmk
label 3 q'2`0MRa
py = py + delta [lOf|^9
rad = px*px + py*py yYB NH1
if rad <= 0.9999999 Np)ho8zU
raytrace hx, hy, px, py @bY?$fj_u
numrayattempt = numrayattempt+1 # hZQ>zcF
if !rayv(n) **************************** .5^a;`-+
numray = numray + 1 iW;}%$lVX
x = rayx(n) m1i4 ,
y = rayy(n) ])S$x{.g
if (x < xraymin) then xraymin = x G#'Q~N
if (x > xraymax) then xraymax = x +>u>`|
if (y < yraymin) then yraymin = y Y}K!`~n1S
if (y > yraymax) then yraymax = y KZW'O
b>[
xraytot = xraytot + x 8T<@ @6`T
yraytot = yraytot + y y]<#%Fh
endif PM8Ks?P#u
endif n{L:MT9TD
if py < 1.0 then goto 3 `i9N )3
X
if px < 1.0 then goto 2 @kz!{g]Sn
if numray k*OvcYL1A
format 14.8 TZj[O1E
print " X Centroid = ",xraytot/numray, [u7 vY@
print " Y Centroid = ",yraytot/numray * *.:)
print " X Middle = ",(xraymax+xraymin)/2, u7n[f@Eg,%
print " Y Middle = ",(yraymax+yraymin)/2 T
G_bje
format .0 }2h't.Z<u
print " ",numray, " out of ", numrayattempt," rays made it through." k06xz#pL
else =MCNCV/<
print " No rays made it through!" g;l'VA3v
endif MSK'2+1T@g
f=f+1 Q:pzL
"bT
if f<= nfld() then goto 1 .#sz|0
print W _J&M4
print "All field positions done!" _yNT=#/
FORMAT 0.1 luibB&p1
print "Elapsed time ", ETIM(), " seconds." zuk "
