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············· |uX&T `7?-
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macro 正文：········· V#c =O}
! centroid.zpl t+j dV
! ]eX(K5 A
! Written by Kenneth Moore 9/1/92 \lyHQ-gWhc
! Added TIMER function 4/18/96 <l>L8{-3
! ZS@R ?
TIMER ?+$EPaC2
! Eh[NKgYL
! The delta controls how many rays will be traced. A f917F.1 I
! delta of .025 will trace a 80 x 80 grid in the pupil. ?}jjB J&
! q~X}&}UT
delta = .025 zOJzQZ~
! db3.X~Cn#s
print "This program computes the chief ray coordinates," 2%MS$Fto
print "centroid coordinates, and middle coordinates for" RhE|0N=
print "the primary wave spot at each field position." g%D.sc)69
maxfield = maxf() k\ZU%"^J
if maxfield == 0 then maxfield = 1 (: mF+%(
n = nsur() ^Nysx ~6
f = 1 H{_6e6`e.
label 1 y@Td]6|f
hx = fldx(f)/maxfield [kPl7[ OL
hy = fldy(f)/maxfield -NDB.~E^DJ
raytrace hx,hy,0,0 Ju.T.)H
format 10.4 lH"VLO2l
print ZKi?;ta=
print " X Field = ", fldx(f), 8P2_/)|
print " Y Field = ", fldy(f) (&/~q:a>
print " X Chief = ",rayx(n), gpCWXz')i
print " Y Chief = ",rayy(n) } q?q)cG
xraymax = -9e9 ?Uhjyi
yraymax = -9e9 "2T* w~V&y
xraymin = 9e9 @^HZTuP2;
yraymin = 9e9 lW]&a"1$
xraytot = 0 T3-/+4$0v
yraytot = 0 #O7phjzgD
numray = 0 )xTu| V
numrayattempt = 0 '/X m%S
px = -1 - delta mrlhj8W? !
label 2 x JFxrG'c
px = px + delta 't Ve#oI
py = -1 - delta t<+gyAW
label 3 % "ZC9uq?
py = py + delta =z}M (<G
rad = px*px + py*py <In+V
if rad <= 0.9999999 0EC/l
OS
raytrace hx, hy, px, py ^K^rl 9
numrayattempt = numrayattempt+1 Q*/jQC
if !rayv(n) **************************** e W[](lGWM
numray = numray + 1 +@\=v}:
F
x = rayx(n) -V||1@
|
y = rayy(n) hT Q]xN)
if (x < xraymin) then xraymin = x N$cAX^~
if (x > xraymax) then xraymax = x N2C f(
if (y < yraymin) then yraymin = y a!;K+wL
>
if (y > yraymax) then yraymax = y >< Qp%yT
xraytot = xraytot + x *,wW-8
yraytot = yraytot + y
L$ [1+*
endif Wk]E6yz6
endif fc%C!^7
if py < 1.0 then goto 3 t>"|~T$9
if px < 1.0 then goto 2 @u8kNXT;h
if numray 1xU) nXXb
format 14.8 4o( Q+6m
print " X Centroid = ",xraytot/numray, L#/<y{
print " Y Centroid = ",yraytot/numray gE6{R+sp
print " X Middle = ",(xraymax+xraymin)/2, a,[Nc dG
print " Y Middle = ",(yraymax+yraymin)/2 l q)[
format .0 tU>4?`)E
print " ",numray, " out of ", numrayattempt," rays made it through." ;oRgg'k<
else >+*lG>!z
print " No rays made it through!" E_K32) J-
endif 8|rlP
f=f+1 ~gOdK-SV*
if f<= nfld() then goto 1 zB+zw\ncN
print 05;J7T<
print "All field positions done!" Bv}n G|
FORMAT 0.1 8*(|uX
print "Elapsed time ", ETIM(), " seconds." E1 |:t$>Ld
