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············· |_omr&[_
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macro 正文：········· sXd8rj: o
! centroid.zpl :4^\3~i1X
! V5p=
mmnA,
! Written by Kenneth Moore 9/1/92 s p asB=E
! Added TIMER function 4/18/96 M$0u1~K
! YeF1C/'hy
TIMER )lJao
! odg<q$ 34
! The delta controls how many rays will be traced. A Fg L rb#
! delta of .025 will trace a 80 x 80 grid in the pupil. F :6SPY
y
! iCH t1VV]
delta = .025 +7t6k7]c
! bzdb|I6Z
print "This program computes the chief ray coordinates," >J|]moSVA
print "centroid coordinates, and middle coordinates for" 54rk C/B>
print "the primary wave spot at each field position." ""s]zNF}
maxfield = maxf() 7\ nf:.
if maxfield == 0 then maxfield = 1 $lhC{&tBV
n = nsur() Me6+~"am/
f = 1 rQ=, y>-*
label 1 u_7~TE3W
hx = fldx(f)/maxfield lg047 K
hy = fldy(f)/maxfield 0flg=U9
raytrace hx,hy,0,0 'R&uD~Q
format 10.4 ,;M4jc {
print xQw7 :18wQ
print " X Field = ", fldx(f), O@?k T;B
print " Y Field = ", fldy(f) q5>v'ZS o
print " X Chief = ",rayx(n), 8ssJ<LP
print " Y Chief = ",rayy(n) PQ@L+],C
xraymax = -9e9 31Ey DU,W
yraymax = -9e9 5=e@d:Sz
xraymin = 9e9 ;Jd3u
-
yraymin = 9e9 o !4!"O'E
xraytot = 0 (%O@r!{
yraytot = 0 0euuT@_$
numray = 0 !?^b[
nC%
numrayattempt = 0 m^ x6>9,
px = -1 - delta ?8W ( "W
label 2 @y31NH(
px = px + delta V^Hu3aUx8
py = -1 - delta ^!q?vo\j|
label 3 #$3yz'"QF
py = py + delta =V"(AuCVE
rad = px*px + py*py h[Gg}N!
if rad <= 0.9999999 _,</1~.
raytrace hx, hy, px, py jq08=
numrayattempt = numrayattempt+1 M`6y@<
if !rayv(n) **************************** '_b.\_s-d
numray = numray + 1 :W@#) 1=
x = rayx(n) y*MF&mQ[
y = rayy(n) ""Q1|
if (x < xraymin) then xraymin = x d 6i6hcQE
if (x > xraymax) then xraymax = x .k[o$z\EkF
if (y < yraymin) then yraymin = y kp\\"+,VC
if (y > yraymax) then yraymax = y :$+-3_oLMQ
xraytot = xraytot + x Hi]cxD*`
yraytot = yraytot + y :6q]F<oK
endif $H$j-)\D
endif /pp1~r.s?>
if py < 1.0 then goto 3 ;l$ \6T
if px < 1.0 then goto 2 _4 cvX
if numray } G<rt
format 14.8 "`[!L z
print " X Centroid = ",xraytot/numray, GA`PY-Vs)
print " Y Centroid = ",yraytot/numray mXUYQ 82
print " X Middle = ",(xraymax+xraymin)/2, q64k7< C,
print " Y Middle = ",(yraymax+yraymin)/2 ?uMQP NYs
format .0 -+t ]15
print " ",numray, " out of ", numrayattempt," rays made it through." P=1I<Pe w
else
y< C<_2
print " No rays made it through!" lg pW@ g
endif bqQq=SO
f=f+1 u {z``]
if f<= nfld() then goto 1 !gnj]k&/c
print eiJ2Nw R\w
print "All field positions done!" hXGwP4
FORMAT 0.1 RI2f`p8k
print "Elapsed time ", ETIM(), " seconds." *._|- L
