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············· cW4:eh
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macro 正文：········· }OZ%U2P U
! centroid.zpl kzny4v[y
! Bwj^9 J/ob
! Written by Kenneth Moore 9/1/92 f9W@!] LHJ
! Added TIMER function 4/18/96 r" d/ 9
! `*mctjSN
TIMER K??%Qh5l+C
! k"Y9Kc0XoU
! The delta controls how many rays will be traced. A >p [|U`>{
! delta of .025 will trace a 80 x 80 grid in the pupil. -^]8w QU
! <e-9We."
delta = .025 S;sggeP7,
! |6'(yn
print "This program computes the chief ray coordinates," h}k&#X)7
print "centroid coordinates, and middle coordinates for" N3
.!E|
print "the primary wave spot at each field position." . Qm "iOyM
maxfield = maxf() + kP)T(6
if maxfield == 0 then maxfield = 1 e`
Z;}&
,
n = nsur() c?A(C#~
z
f = 1 C&YJvMu
label 1 `[3 Iz$K=
hx = fldx(f)/maxfield w vBx]$SC
hy = fldy(f)/maxfield h[b5"Uqj
raytrace hx,hy,0,0 }R4%%)j(Vj
format 10.4 !#j
y=A
print %K8Ei/p\t]
print " X Field = ", fldx(f), B{$4s8 XU
print " Y Field = ", fldy(f) 4+e 9:r ]
print " X Chief = ",rayx(n), dP 63bV
print " Y Chief = ",rayy(n) xpCzx=n3.m
xraymax = -9e9 [y-0w.V=oE
yraymax = -9e9 s\y+ xa:
xraymin = 9e9 3 >Y G
yraymin = 9e9 4Xi
_[
Xf
xraytot = 0 ^
c pQ*Fz
yraytot = 0 Fka&\9i
numray = 0 RAYDl=}
numrayattempt = 0 JX8Hn |
px = -1 - delta ;U=I bK*
label 2 J}U); A
px = px + delta nJ'FH['
py = -1 - delta L;N)l2m.\
label 3 6$$4!R-
py = py + delta hEla8L4Y
rad = px*px + py*py rDFD rviW_
if rad <= 0.9999999 D uX7
raytrace hx, hy, px, py X3&-kU
numrayattempt = numrayattempt+1 Qz)1wf'y
if !rayv(n) **************************** =?g26>dYo
numray = numray + 1 ,{==f7|w
x = rayx(n) >a/ ]8A
y = rayy(n) q-gp;Fm
if (x < xraymin) then xraymin = x h&@ A'om~
if (x > xraymax) then xraymax = x HwfB bWHr'
if (y < yraymin) then yraymin = y L c 4\i
if (y > yraymax) then yraymax = y .<&o, D
xraytot = xraytot + x Ey<vvZ
yraytot = yraytot + y q2 K@i*s
endif JrlDTNJj'
endif #tX\ m ;
if py < 1.0 then goto 3 S. my" j
if px < 1.0 then goto 2 _RI`I}&9Z
if numray q)0?aL
format 14.8 ?^I\e{),c
print " X Centroid = ",xraytot/numray, N fe
print " Y Centroid = ",yraytot/numray -OV:y],-
print " X Middle = ",(xraymax+xraymin)/2, V&nTf 100
print " Y Middle = ",(yraymax+yraymin)/2 z
H$^.1
format .0 (ndXz
print " ",numray, " out of ", numrayattempt," rays made it through." N3/G6wn
else KFQ 4vavNh
print " No rays made it through!" L&h@`NPO a
endif dxHKXw
f=f+1 Itq24 8+Ci
if f<= nfld() then goto 1 d Jy f.VJ
print [R
V_{F:'
print "All field positions done!" Su" 9`
FORMAT 0.1 ZqT8G
print "Elapsed time ", ETIM(), " seconds." jw63sn
