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············· "$^0%-
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macro 正文：········· wz
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! centroid.zpl 3I =kr
! NCS!:d:Ry
! Written by Kenneth Moore 9/1/92 m
<k!^jp
! Added TIMER function 4/18/96 uG J"!K
! Iw=Sq8
TIMER @xWdO,#
! hf M;/
! The delta controls how many rays will be traced. A 40P) 4w
! delta of .025 will trace a 80 x 80 grid in the pupil. n \G Ry'
! WE!vS Z3R
delta = .025 Tupiq
! ~,gXa w
print "This program computes the chief ray coordinates," tiaR4PB
print "centroid coordinates, and middle coordinates for" =tdSq"jh
print "the primary wave spot at each field position." i%{X9!*%TX
maxfield = maxf() zY9 H%
if maxfield == 0 then maxfield = 1 <G3&z#]#4
n = nsur() 7v"lNP-?jU
f = 1 }iN2KeLAF
label 1 g@ v
s*xE
hx = fldx(f)/maxfield P9Q2gVGAO{
hy = fldy(f)/maxfield `sHuM *
raytrace hx,hy,0,0 r0dDHj~F
format 10.4 <,%:
print -pb&-@Hul
print " X Field = ", fldx(f), & *,:1=p
print " Y Field = ", fldy(f) o4^Fo p
print " X Chief = ",rayx(n), U bz"rCjq
print " Y Chief = ",rayy(n) % 1U`@0
xraymax = -9e9 '3(l-nPiG^
yraymax = -9e9 ) M<vAUF
xraymin = 9e9 kJK,6mN
yraymin = 9e9 SA v<&
xraytot = 0 JiS5um=(.
yraytot = 0 6tjcAsV
numray = 0 = P77"Dd
numrayattempt = 0 ' P"g\;Ij
px = -1 - delta 83ipf"]*
label 2 e]>or i
8
px = px + delta 90N`CXas
py = -1 - delta %"$@%"8;3
label 3 l5t2\Fl
py = py + delta $ChK]v
6C
rad = px*px + py*py C*6S@4k
if rad <= 0.9999999 u' Q d,
raytrace hx, hy, px, py \l#>dq "Y
numrayattempt = numrayattempt+1 E8}+k o
if !rayv(n) **************************** A7XnHPIw
numray = numray + 1 (&\aA 0-}H
x = rayx(n) \k8rxW
y = rayy(n) =([av7
if (x < xraymin) then xraymin = x Y}R}-+bD/
if (x > xraymax) then xraymax = x LJzH"K[Gg6
if (y < yraymin) then yraymin = y adEJk
if (y > yraymax) then yraymax = y T~8
.9g
xraytot = xraytot + x V _^@
yraytot = yraytot + y |1=
!;.#
endif " dh:-x6
endif q!, zq
if py < 1.0 then goto 3 d.<~&.-$
if px < 1.0 then goto 2 4/> Our 5
if numray 748CD{KxW
format 14.8 QP I+y8N=
print " X Centroid = ",xraytot/numray, WgR4Ix^L#
print " Y Centroid = ",yraytot/numray S5=Udd"
print " X Middle = ",(xraymax+xraymin)/2, |01? w |
print " Y Middle = ",(yraymax+yraymin)/2 dWRrG- '
format .0 5"Kx9n|
print " ",numray, " out of ", numrayattempt," rays made it through." b
B
else *e"a0
print " No rays made it through!" 3NK ^AaTK
endif :K.4 n
f=f+1 Tp%(I"H'_;
if f<= nfld() then goto 1 = H]F`[B=
print
:S
% lv
print "All field positions done!" 1 qdZ c_x
FORMAT 0.1 D #2yIec
print "Elapsed time ", ETIM(), " seconds." \&xl{64
