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············· h0YIPB
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macro 正文：········· =")}wl=s
! centroid.zpl ZRDY `eK
! +- ~:E_G
! Written by Kenneth Moore 9/1/92
E *[dc
! Added TIMER function 4/18/96 `yjHLg
! taS2b#6\+
TIMER )!h(o R
! /Iwn l
! The delta controls how many rays will be traced. A 6mP
s;I
! delta of .025 will trace a 80 x 80 grid in the pupil. 'cs!(z-{x
! vvJ{fi
delta = .025 ( x} >tm
! JArSJ:}
print "This program computes the chief ray coordinates," (!-gX" <b
print "centroid coordinates, and middle coordinates for" [dG&"%5vD
print "the primary wave spot at each field position." ,o $F~KPu
maxfield = maxf() 8MHYk>O~{G
if maxfield == 0 then maxfield = 1 j2V"w&>b}
n = nsur() `[hc{ynO|
f = 1 }T@^wY_Ow
label 1 oCE=!75
hx = fldx(f)/maxfield T #;W5<"
hy = fldy(f)/maxfield .A;e` cKb
raytrace hx,hy,0,0 wVSM \
format 10.4 Z(fXN$
print dP>~ExYtm
print " X Field = ", fldx(f), m `" ^d #
print " Y Field = ", fldy(f) k)Y}X)\36
print " X Chief = ",rayx(n), :%[=v (G[
print " Y Chief = ",rayy(n) iV
h^;
xraymax = -9e9 XLEEd?Vct9
yraymax = -9e9 \8Mn[G9TL
xraymin = 9e9 cL 31g_u
yraymin = 9e9 wul$lJ?tE
xraytot = 0 n#jBqr&!M
yraytot = 0 3\x@G)1
numray = 0 [E9V #J89
numrayattempt = 0 ?gk nJ:
px = -1 - delta W[pOLc-
label 2 |Ai/q6u
px = px + delta K gN=b
py = -1 - delta F32N e6Y6"
label 3 v"nN[_T
py = py + delta |Z]KF>S]
rad = px*px + py*py )e#KL$B)v
if rad <= 0.9999999 -6 WjYJx
raytrace hx, hy, px, py Q5[x2 s_ d
numrayattempt = numrayattempt+1 &|/@;EA$8
if !rayv(n) **************************** sK)fEx
numray = numray + 1 ~Ur K yA
x = rayx(n) 1u?h 4w C
y = rayy(n) ;kS Rv=S
if (x < xraymin) then xraymin = x Wo& WO
e
if (x > xraymax) then xraymax = x J1i{n7f=@
if (y < yraymin) then yraymin = y j -l# n&M
if (y > yraymax) then yraymax = y y^PQgzm]
xraytot = xraytot + x h |Of i
yraytot = yraytot + y 12 8aJ
endif b3/@$x<
endif j@N z
if py < 1.0 then goto 3 V=$ pXpro%
if px < 1.0 then goto 2 u/wWP4'$J@
if numray eUBf-xA
format 14.8 9+:SS1_
print " X Centroid = ",xraytot/numray, eAU0 8gM.
print " Y Centroid = ",yraytot/numray bQU {)W
print " X Middle = ",(xraymax+xraymin)/2, `ChS$p"A
print " Y Middle = ",(yraymax+yraymin)/2 [HRry2#s
format .0
j,DF' h
print " ",numray, " out of ", numrayattempt," rays made it through." l dd8'2
else zKh^BwhO|X
print " No rays made it through!" 3,ihVVr&P
endif {6*$ yLWK
f=f+1 |j 9d.M
if f<= nfld() then goto 1 uDtml$9rN
print b 7XTOB_HO
print "All field positions done!" / @v V^!#1
FORMAT 0.1 KT5amct
print "Elapsed time ", ETIM(), " seconds." {gL8s
