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············· (
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macro 正文：········· 3PEW0b*]Pf
! centroid.zpl R
RnT.MU
! .<Jq8J
! Written by Kenneth Moore 9/1/92 t rlZ
! Added TIMER function 4/18/96 2Jqr"|sw
! 9C: V i
TIMER ~/;shs<9EM
! P F:'dv
! The delta controls how many rays will be traced. A Z>hGqFZ0{
! delta of .025 will trace a 80 x 80 grid in the pupil.
cfL:#IM
! )
-@Dh6F
delta = .025 c@{M),C~ E
! Ee'wsL
print "This program computes the chief ray coordinates," qKNHhXi
print "centroid coordinates, and middle coordinates for" v+
"9&
print "the primary wave spot at each field position." | ? ma?
maxfield = maxf() 6Q NO#!;
if maxfield == 0 then maxfield = 1 kV$VKag*A
n = nsur() G9h B p
f = 1 *[tLwl.
label 1 S=X_7V
hx = fldx(f)/maxfield )gNVJ
hy = fldy(f)/maxfield [[KIuW~ot
raytrace hx,hy,0,0 LR
y&/d
format 10.4 J pKCux
print zJG=9C ?
print " X Field = ", fldx(f), CwsC)]{/o
print " Y Field = ", fldy(f) K<f B]44Y
print " X Chief = ",rayx(n), iH)-8Q
print " Y Chief = ",rayy(n) ;D}E/' =
xraymax = -9e9 X,`e1nsR
yraymax = -9e9 > C/O >g
xraymin = 9e9 !Z%pdqo`.
yraymin = 9e9 4?l:.\fB:
xraytot = 0 KHo DD=O
yraytot = 0 JvM:x y9
numray = 0 k
Hh0&~ (
numrayattempt = 0 @!%HEs!# #
px = -1 - delta {\ J%i|u
label 2 e%KCcU
px = px + delta z_ L ><}H
py = -1 - delta Hw~?%g:<S
label 3 `<*
tp@
py = py + delta Ky)*6QOw
rad = px*px + py*py Hq "l`
if rad <= 0.9999999 h2vD*W
raytrace hx, hy, px, py ? 9;r|G
numrayattempt = numrayattempt+1 YbuS[l 8
if !rayv(n) **************************** 1^ y^b{
numray = numray + 1 Kl w9
x = rayx(n) u-HBmL
y = rayy(n) N@\`D O
if (x < xraymin) then xraymin = x 1I W P~G
if (x > xraymax) then xraymax = x aaFt=7(K
if (y < yraymin) then yraymin = y rY]QTS">o
if (y > yraymax) then yraymax = y o7v, :e:
xraytot = xraytot + x E,7b=t
yraytot = yraytot + y IeGVLC
endif O
718s\#
endif p$l'y""i
if py < 1.0 then goto 3 ^-26K|{3
if px < 1.0 then goto 2 tQcn%C K
if numray X> ck.}F
format 14.8 ]McDN [h:
print " X Centroid = ",xraytot/numray, 6|]e}I@<2
print " Y Centroid = ",yraytot/numray <{1=4P A
print " X Middle = ",(xraymax+xraymin)/2, \mDBOC0eK
print " Y Middle = ",(yraymax+yraymin)/2 G*rlU
format .0 4i(?5p>f
print " ",numray, " out of ", numrayattempt," rays made it through." >d$Sh`a6
else S/x CX!
print " No rays made it through!" 9 AH xa
endif Y H'j"|{
f=f+1 (z IIC"~5
if f<= nfld() then goto 1 qp55U*
print (GbZt{.
print "All field positions done!" ]rc =oP;
FORMAT 0.1
03a<Cd/S
print "Elapsed time ", ETIM(), " seconds." e6uVUzP4
