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············· JlMT<;7\
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macro 正文：········· Ox#\M0Wn$3
! centroid.zpl 6"Bic rY
! _^Mx>hb4.
! Written by Kenneth Moore 9/1/92 7VcmVq}X
! Added TIMER function 4/18/96
;};wq&b#
! l @^3Exwt
TIMER }|PY!O
! }*.0N;;C
! The delta controls how many rays will be traced. A JkW9 D)6
! delta of .025 will trace a 80 x 80 grid in the pupil. @u==x *{ |
! fP.F`V_Y
delta = .025 I%-
" |]$
! T,|
1g 6
print "This program computes the chief ray coordinates," i4^o59}8
print "centroid coordinates, and middle coordinates for" (Qa/EkE^*w
print "the primary wave spot at each field position." V&-~x^JK
maxfield = maxf() /pF `8$
if maxfield == 0 then maxfield = 1 pZ/>[TP(%F
n = nsur() =Umw$+fJr
f = 1 c478P=g=5
label 1 ZPbpp@,
hx = fldx(f)/maxfield jqPkc28
hy = fldy(f)/maxfield 8\{^|y9-
raytrace hx,hy,0,0 <n] x #0p
format 10.4 ^]{R.(# z
print |V<h =D5W
print " X Field = ", fldx(f), =[F<7pvE
print " Y Field = ", fldy(f) 31/Edd"]
print " X Chief = ",rayx(n), Me
5_4H&Sg
print " Y Chief = ",rayy(n) H$I =W>;
xraymax = -9e9 %-d]X{J:
yraymax = -9e9 'fW6
.0fXa
xraymin = 9e9 5nsq[ Q`
yraymin = 9e9 kF/9-[]$g,
xraytot = 0 ,"B+r6}EF
yraytot = 0 ]Kr
`9r),
numray = 0 &hRvol\J
numrayattempt = 0 +nJUFc
px = -1 - delta OKoa n$#sn
label 2 liXdNk8
px = px + delta &197P7&o
py = -1 - delta N!g9 *Z
label 3 9W(dmde>
py = py + delta 66fO7OJs
rad = px*px + py*py 0qX3v <+[6
if rad <= 0.9999999 \Ym5<];E
raytrace hx, hy, px, py r#XT3qp$d
numrayattempt = numrayattempt+1 2Lx3=[ik
if !rayv(n) **************************** :_O%/k1\@
numray = numray + 1 'Fmvu
x = rayx(n) Yb E-6|cz
y = rayy(n) ^<e.]F25M
if (x < xraymin) then xraymin = x 0{= `on;
if (x > xraymax) then xraymax = x j$+nKc$
if (y < yraymin) then yraymin = y D:erBMKv,
if (y > yraymax) then yraymax = y gvL f|+m
xraytot = xraytot + x 7D<#(CE{
yraytot = yraytot + y 2 $Tj84'X
endif '_V2!?+RU+
endif Y ' ow
if py < 1.0 then goto 3 5=f|7y l
if px < 1.0 then goto 2 ,v{rCxFtvU
if numray SLh (9%S;
format 14.8 }`@728E
print " X Centroid = ",xraytot/numray, &}A[x1x06)
print " Y Centroid = ",yraytot/numray 9]@A]p!
print " X Middle = ",(xraymax+xraymin)/2, o93`|yWl
print " Y Middle = ",(yraymax+yraymin)/2 1R,:
format .0 DCZ\6WY1G)
print " ",numray, " out of ", numrayattempt," rays made it through." /oriW;OF
else 8?%-'z.
print " No rays made it through!" RO.k]x6
endif ll C#1
f=f+1 >"C,@cN}B
if f<= nfld() then goto 1 Ry'= ke
print #W|'1
OX4
print "All field positions done!" .,OVz W
FORMAT 0.1 [<6S%s
print "Elapsed time ", ETIM(), " seconds." Z-l =\ekJ
