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············· ;[cai MA-
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macro 正文：········· od(:Y( 4
! centroid.zpl <p)Z/
! g 9|qbKQ:[
! Written by Kenneth Moore 9/1/92 3]_qj *V
! Added TIMER function 4/18/96 Oh-Fp-v87
! ` #=fA
TIMER CfY7<o1>
! @9<S*
! The delta controls how many rays will be traced. A 7g-$ oO
! delta of .025 will trace a 80 x 80 grid in the pupil. &_YtY47
! yP%o0n/"x
delta = .025 enPLaiJ'|q
! sh y
print "This program computes the chief ray coordinates," rd|crD 3
print "centroid coordinates, and middle coordinates for" -+' #*V
print "the primary wave spot at each field position." nIR*_<ow
maxfield = maxf() eB7>t@ED
if maxfield == 0 then maxfield = 1 k}-]W@UCa?
n = nsur() UE{,.s
f = 1 Kny%QBoiw
label 1 @?Fx
hx = fldx(f)/maxfield ret0z |
hy = fldy(f)/maxfield 33,;i E
raytrace hx,hy,0,0 y 3IA '
format 10.4 1GUqT 9)
print ;fj9 n-
print " X Field = ", fldx(f), ^aT;aP^l
print " Y Field = ", fldy(f) 6QW<RXom
print " X Chief = ",rayx(n), #TIX_ RXh
print " Y Chief = ",rayy(n) VOg/VGJ
xraymax = -9e9 2J)74SeH
yraymax = -9e9 PK_Fx';ke^
xraymin = 9e9 Ogd8!'\
yraymin = 9e9 3y/1 !A3
xraytot = 0 m:b^,2"g
yraytot = 0 'qdg:_L"
numray = 0 6hLNJ
numrayattempt = 0 Q5hb0O%a
px = -1 - delta HR j7n<>L=
label 2 u >81dO]H
px = px + delta 8g.AT@ ,Q
py = -1 - delta Y:rJK|m
label 3 lD9%xCo9(
py = py + delta vJ ~4D*(]l
rad = px*px + py*py Sy4
mZ}:
if rad <= 0.9999999 DgC3 >
yL
raytrace hx, hy, px, py L7s>su|c(
numrayattempt = numrayattempt+1 kV_#9z7%
if !rayv(n) **************************** :jB ZK=3F>
numray = numray + 1
.V8/ELr]
x = rayx(n) U?JiVxE^
y = rayy(n) 45?*:)l:
if (x < xraymin) then xraymin = x u82h6s<'W
if (x > xraymax) then xraymax = x Hde]DK,d
if (y < yraymin) then yraymin = y Sjw2 j #Q
if (y > yraymax) then yraymax = y >g>f;\mD7$
xraytot = xraytot + x /&*m1EN#o
yraytot = yraytot + y P#w}3^
endif D/gd
endif c:3@ [nF~
if py < 1.0 then goto 3 <sgZ3*, A
if px < 1.0 then goto 2 ?H y%ULk
if numray dNOX&$/=
format 14.8 N8,EI^W8Z
print " X Centroid = ",xraytot/numray, NE$VeW+@
print " Y Centroid = ",yraytot/numray QpdujtH`
print " X Middle = ",(xraymax+xraymin)/2, 0\? _ lT2
print " Y Middle = ",(yraymax+yraymin)/2 ` %FIgE^
format .0 z0T`5N G@
print " ",numray, " out of ", numrayattempt," rays made it through." .tZjdNE(h
else ATKYjhc _
print " No rays made it through!" +L^A:}L(
endif @`w'
f=f+1 66I |0_
if f<= nfld() then goto 1 C_;HaQiu
print o,*folL
print "All field positions done!" &eThH,w$2
FORMAT 0.1 A rNur~
print "Elapsed time ", ETIM(), " seconds." c'4>D,?1
