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············· gOy{ RE
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macro 正文：········· LVd tI
! centroid.zpl *E-MJCv
! u/FC\xJc
! Written by Kenneth Moore 9/1/92 w{GEW D{&
! Added TIMER function 4/18/96 l`a_0
! 8#HQ05q>
TIMER )M@^Z(W/a
! 15MKV=?oY
! The delta controls how many rays will be traced. A =nlj|S ~3
! delta of .025 will trace a 80 x 80 grid in the pupil. $paE6X ^
! qos/pm$&i
delta = .025 Fzz9BEw(i
! V(Oi!(H;v
print "This program computes the chief ray coordinates," O mph(
print "centroid coordinates, and middle coordinates for" [YJ*zO
print "the primary wave spot at each field position." ajX] ui
maxfield = maxf() EF;B) y=
if maxfield == 0 then maxfield = 1 Wj, {lJ,
n = nsur() #;UoZJ B
f = 1 FA;B :O@:'
label 1 }TDq7-(g
hx = fldx(f)/maxfield wV,=hMTd&\
hy = fldy(f)/maxfield
JY_!G
raytrace hx,hy,0,0 MPLeqk$;
format 10.4
PmT<S,}L
print |C>\k u*
print " X Field = ", fldx(f), 2hTsjJ!'
print " Y Field = ", fldy(f) wd1>L) T
print " X Chief = ",rayx(n), jRxzZt4
print " Y Chief = ",rayy(n) etk|%%J
xraymax = -9e9 mu O; g&
yraymax = -9e9 l I2UpfkBP
xraymin = 9e9 lE3&8~2
yraymin = 9e9 nFwdW@E9
xraytot = 0 ^$<:~qq !
yraytot = 0 <f0yh"?6VH
numray = 0 X"%eRW&qu/
numrayattempt = 0 Y> K8^GS
px = -1 - delta ?XVox*6K&
label 2 UN:cRH{?*
px = px + delta r$%,k*X^
k
py = -1 - delta \3)U~[O>:
label 3 ~L.5;8a3Pe
py = py + delta {6F]w _\
rad = px*px + py*py 9xL` i-7]
if rad <= 0.9999999 iu{QHjZK(
raytrace hx, hy, px, py RI BB*
numrayattempt = numrayattempt+1 d!"gb ,ec
if !rayv(n) **************************** lT'V=,Y
t
numray = numray + 1 FQcm = d_s
x = rayx(n) ?:W=ddg
y = rayy(n) yaAg!mW
if (x < xraymin) then xraymin = x !@> :k3DC&
if (x > xraymax) then xraymax = x .iST!n h
if (y < yraymin) then yraymin = y #vTF:r
if (y > yraymax) then yraymax = y .G|U#%"6x
xraytot = xraytot + x p&HkR^.S
yraytot = yraytot + y :Bb lH0'
endif (R!.=95@
endif _;-b ZH
if py < 1.0 then goto 3 VGOdJ|2]Wr
if px < 1.0 then goto 2 $-gRD|oY
if numray ?y^ ix+ M
format 14.8 7Q aZ| \c
print " X Centroid = ",xraytot/numray, ]Y f8
print " Y Centroid = ",yraytot/numray w^S]HzMd
print " X Middle = ",(xraymax+xraymin)/2, b+$- f:mj
print " Y Middle = ",(yraymax+yraymin)/2 s$/ Z+"f(
format .0 i^ eDM.#X
print " ",numray, " out of ", numrayattempt," rays made it through." Y7`Dx'x
else z{qn|# }
print " No rays made it through!" %i&\ X[
endif MA v-#
f=f+1 dkZ[~hEQG-
if f<= nfld() then goto 1 t0)hd X
print 5_SxX@fW %
print "All field positions done!" &9xcP.3
FORMAT 0.1 7[8d-Sf24{
print "Elapsed time ", ETIM(), " seconds." >P2 QL>P
