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············· p$B)^S%0i
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macro 正文：········· w"yK\O E
! centroid.zpl 9]"\"ka3>
! )0'Y et}
! Written by Kenneth Moore 9/1/92 b$ IY2W<Ln
! Added TIMER function 4/18/96 {|G&W^`
! :m)c[q8
TIMER X5|?/aR}
! " pR $cS
! The delta controls how many rays will be traced. A _CHKh*KHML
! delta of .025 will trace a 80 x 80 grid in the pupil. !d/`[9jY
! KwY`<t1lA;
delta = .025 7&#'c8]/qh
! o-~-F+mj#
print "This program computes the chief ray coordinates," *{HGLl|=
print "centroid coordinates, and middle coordinates for" :/ ~):tM
print "the primary wave spot at each field position." rD_Ss.\^g
maxfield = maxf() D
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if maxfield == 0 then maxfield = 1 4& #vU(-H
n = nsur() 77)OW $G
f = 1 ]%b0[7[
label 1 A)= X?x
hx = fldx(f)/maxfield <t% Ao,"
hy = fldy(f)/maxfield dP$y>%cB
raytrace hx,hy,0,0 *9\oD~2Y
format 10.4 8Ng) )7g!
print %w;1*~bH
print " X Field = ", fldx(f), f J,8g/f8
print " Y Field = ", fldy(f) :0i#=ODR
print " X Chief = ",rayx(n), #u!y`le k
print " Y Chief = ",rayy(n) y}s
0J K
xraymax = -9e9 eW<!^Aer
yraymax = -9e9 0tn7Rkiw
xraymin = 9e9 !H2C9l:rd
yraymin = 9e9 \Qe'?LRu{
xraytot = 0 k
i~Raa/e
yraytot = 0 "i;*\+ x
numray = 0 / n C$?w
numrayattempt = 0 oY|
(M_;
px = -1 - delta 1"87EP
label 2 P# M<CG9
px = px + delta ,i1 fv
"
py = -1 - delta UFSEobhg&5
label 3 -Hl\j (D7
py = py + delta ?etj.\q6
rad = px*px + py*py Iwd"f
if rad <= 0.9999999 B{=,VwaP_
raytrace hx, hy, px, py 0O@[on;Bd
numrayattempt = numrayattempt+1 f?oI'5R41
if !rayv(n) **************************** r-Xjy *T
numray = numray + 1 @pyA;>U
x = rayx(n) cHfK- R
y = rayy(n) ?Vb=4B{~
if (x < xraymin) then xraymin = x U^WQW a
if (x > xraymax) then xraymax = x ePFC$ kMn
if (y < yraymin) then yraymin = y GcU(:V2o
if (y > yraymax) then yraymax = y tFb|y+
xraytot = xraytot + x TU^tW
yraytot = yraytot + y IW SEssP
endif &AkzSgP
endif `0-m`> 1>
if py < 1.0 then goto 3 Xl gz.j7XR
if px < 1.0 then goto 2 HvL9;^!
if numray K1qY10F:_
format 14.8 o
F,R@f
print " X Centroid = ",xraytot/numray, "@):*3
4
print " Y Centroid = ",yraytot/numray I=Lj_UF4
print " X Middle = ",(xraymax+xraymin)/2, )xXrs^
print " Y Middle = ",(yraymax+yraymin)/2 G+%5V5GS
format .0 jw& }N6^G
print " ",numray, " out of ", numrayattempt," rays made it through." }sm56}_
else tF) k6*+
print " No rays made it through!" uvAy#,
endif pRa oR
f=f+1 ?7uStqa
if f<= nfld() then goto 1 bC>yIjCTn
print UBpM8 /U
print "All field positions done!" Z2Y583 D
FORMAT 0.1 <CdG[Ih
print "Elapsed time ", ETIM(), " seconds." o8yEUnqN
