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············· s8 -RXEPb
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macro 正文：········· L0w6K0J4
! centroid.zpl ]V"P
&; m
! 0%%1:W-
! Written by Kenneth Moore 9/1/92 w/@ZPBRo]
! Added TIMER function 4/18/96 [>ghs_?dZ
! "ESc^28
TIMER APu$t$dmm
! 8eqTA 8$?
! The delta controls how many rays will be traced. A t6Iy5)=zY
! delta of .025 will trace a 80 x 80 grid in the pupil. rK gl:s j+
! |>Q>d8|k
delta = .025 t / \ S9
! z;JV3) E
print "This program computes the chief ray coordinates," $J1`. Q>)4
print "centroid coordinates, and middle coordinates for" `v -[&
print "the primary wave spot at each field position." zPn b_[YF
maxfield = maxf() qU26i"GHp
if maxfield == 0 then maxfield = 1 b1Vr>:sK47
n = nsur() f*%kHfaXgN
f = 1 > 0HH#JW
label 1 TcZ.5Oe6h#
hx = fldx(f)/maxfield 7z? ;z<VJ
hy = fldy(f)/maxfield $;5Q
mKQ'
raytrace hx,hy,0,0 2^[dy>[y0
format 10.4 YR'F]FI
print |_?e.}K
print " X Field = ", fldx(f), b8d0]YS
print " Y Field = ", fldy(f) L:HvrB~
print " X Chief = ",rayx(n), a0NiVF-m%
print " Y Chief = ",rayy(n) ^J] &($-
xraymax = -9e9 ^N7H~CT"
yraymax = -9e9 m>=DJ{KQ
xraymin = 9e9 ^ ]9K>}
yraymin = 9e9 pU_3Z3C eE
xraytot = 0 3 (e_2v
yraytot = 0 !E$$ FvL
numray = 0 A} ZZ Q
numrayattempt = 0 ^PEw #.WG
px = -1 - delta W
^'|{9&m
label 2 pGD@R=8
px = px + delta VAiJL
py = -1 - delta g}MUfl-L
label 3 hywcj\[
py = py + delta ]g-%7g|
rad = px*px + py*py #@FA=p[%
if rad <= 0.9999999 ??F* Z" x
raytrace hx, hy, px, py :)1"yo\
numrayattempt = numrayattempt+1 %`F;i)Zz
if !rayv(n) **************************** Sf S3}Tn[
numray = numray + 1 sD3ZZcy|=
x = rayx(n) _mSefPl
y = rayy(n) #Hrzk!&9
if (x < xraymin) then xraymin = x m!7%5=Fc
if (x > xraymax) then xraymax = x C*mVM!D);!
if (y < yraymin) then yraymin = y uw \@~ ,d
if (y > yraymax) then yraymax = y 6*i **
xraytot = xraytot + x `XxnQng
yraytot = yraytot + y t@!n?j
I
endif JmCMF q B9
endif {R_ > KE1
if py < 1.0 then goto 3 m(8Tup|
if px < 1.0 then goto 2 1Ms]\<^j
if numray @HS*%N"*
format 14.8 Uxjc&o
print " X Centroid = ",xraytot/numray, f\_RW;y|m
print " Y Centroid = ",yraytot/numray ]s=|+tz\V
print " X Middle = ",(xraymax+xraymin)/2, 6:5K?Yo
print " Y Middle = ",(yraymax+yraymin)/2 m?kiGC&m
format .0 4]r_K2.cc
print " ",numray, " out of ", numrayattempt," rays made it through." %jHm9{|X
else y?OP- 27y
print " No rays made it through!" Z1 Ne p !
endif vIpL8B86a
f=f+1 Z R!8hw8
if f<= nfld() then goto 1 ILm +o$o ~
print B[L m}B[
print "All field positions done!" m|q,i xg
FORMAT 0.1 h]<S0 /
print "Elapsed time ", ETIM(), " seconds." G[KjK$.Ts?
