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············· B
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! centroid.zpl /'/Xvm3
! 5 sX+~Q
! Written by Kenneth Moore 9/1/92 0)gdB'9V_
! Added TIMER function 4/18/96 'dn]rV0(C
! ff^=Ruf$
TIMER ~sh`r{0
! #{;k{~;PF
! The delta controls how many rays will be traced. A Abc)i7!.,.
! delta of .025 will trace a 80 x 80 grid in the pupil. ')cMiX\v
! ;0Tx-8l
delta = .025 HAa;hb
! yK=cZw%D
print "This program computes the chief ray coordinates," c24dSNJg,
print "centroid coordinates, and middle coordinates for" $&n=$C&x
print "the primary wave spot at each field position." r 8RoE`/T
maxfield = maxf() qv!2MUw\j
if maxfield == 0 then maxfield = 1 cz8T
n = nsur() 2GDD!w#!j
f = 1 GB=X5<;
label 1 M<v%CawS
hx = fldx(f)/maxfield @J/K-.r
hy = fldy(f)/maxfield n"c[,k+R`U
raytrace hx,hy,0,0 H*PSR
format 10.4 WvY?
+JXJ
print 50S&m+4d+
print " X Field = ", fldx(f),
R[D{|K@"
print " Y Field = ", fldy(f) GBPo8L"9
print " X Chief = ",rayx(n), 1G^`-ri6
print " Y Chief = ",rayy(n) &OH={Au
xraymax = -9e9 X4~y7
yraymax = -9e9 Fj2BnM3#
xraymin = 9e9 cQ
R]le%(
yraymin = 9e9 _uy44;zq
xraytot = 0
f6&iy$@
yraytot = 0 W*2BT
z
numray = 0 u 7>],<
numrayattempt = 0 ig/xv
px = -1 - delta m;GCc8
label 2 zHM(!\8K
px = px + delta Pd_U7&w,5
py = -1 - delta L 0TFo_
label 3 ivJ@=pd)B
py = py + delta SE1=>S%p
rad = px*px + py*py qm/22:&v5
if rad <= 0.9999999 k_rt&}e+Gi
raytrace hx, hy, px, py | ATvS2
numrayattempt = numrayattempt+1 D2Kp|F;
if !rayv(n) **************************** g}1B;zGf
numray = numray + 1 ,l\-xSM
x = rayx(n) G[uK -U
y = rayy(n) h-`? {k&e
if (x < xraymin) then xraymin = x #lL^?|M
if (x > xraymax) then xraymax = x @@Kp67Iv
if (y < yraymin) then yraymin = y 3YOq2pW72G
if (y > yraymax) then yraymax = y TrEu'yxy8*
xraytot = xraytot + x vXrx{5gz
yraytot = yraytot + y y51e%n$
endif dO!
kk"qn
endif ?]_$Dcmx
if py < 1.0 then goto 3 -b9\=U[
if px < 1.0 then goto 2 BYL)nCc
if numray /[
5gX^A
format 14.8 61C7.EZZ;
print " X Centroid = ",xraytot/numray, l[0RgO*S
print " Y Centroid = ",yraytot/numray PR#exm&
print " X Middle = ",(xraymax+xraymin)/2, #wwH m3
print " Y Middle = ",(yraymax+yraymin)/2 {HltvO%8
format .0 X!TpYUZ'
print " ",numray, " out of ", numrayattempt," rays made it through." Q4#m\KK;i9
else LM<qT-/qs
print " No rays made it through!" l*Gvf_UH
endif &R'c.
f=f+1 O`IQ(,yef
if f<= nfld() then goto 1 P^~yzI
print _^Ubs>d=*
print "All field positions done!" itt3.:y
FORMAT 0.1 JE "x
print "Elapsed time ", ETIM(), " seconds." 5IGX5x