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············· NQ;X|$!zH
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macro 正文：········· |v8h g])I+
! centroid.zpl C]8w[)d[`;
! \V!{z;.fA
! Written by Kenneth Moore 9/1/92 J.Xh P_aT
! Added TIMER function 4/18/96 f3G:J<cL
! @O'NJh{D`
TIMER Gv G8s6IZ
! ]s0wJD=
! The delta controls how many rays will be traced. A "5<!
! delta of .025 will trace a 80 x 80 grid in the pupil. PNo:[9`S;m
! iTq&h=(n
delta = .025 o*/;Zp==
! CN ( :
print "This program computes the chief ray coordinates," |yO%w #
print "centroid coordinates, and middle coordinates for" =TNFA t
print "the primary wave spot at each field position." p *42
@1,
maxfield = maxf() Q"u2 <
if maxfield == 0 then maxfield = 1 @@K/0:],
n = nsur() gAorb\iJ
f = 1 ru2M"]T
label 1 xBc|rqge
hx = fldx(f)/maxfield 8g!79q\c4
hy = fldy(f)/maxfield LH_H
yP_
raytrace hx,hy,0,0 Cy uRj[;B
format 10.4 O.X;w<F/ V
print )uOtQ0
print " X Field = ", fldx(f), >Rt:8uurAG
print " Y Field = ", fldy(f) cL*oO@I&_
print " X Chief = ",rayx(n), 4hxP`! <
print " Y Chief = ",rayy(n) BWxJ1ENM
xraymax = -9e9 ![ce }
yraymax = -9e9 _[z)%`kay
xraymin = 9e9 Xwo+iZ(a
yraymin = 9e9 )#M $ov
xraytot = 0 [zN* P$U]
yraytot = 0 K;" oK
numray = 0 X$ \CC18
numrayattempt = 0 AQ(n?1LU
px = -1 - delta )@I] Rk?
label 2 ysK J=
px = px + delta y
`FZ 0FI
py = -1 - delta m-\_L=QzM
label 3 oY0b8=[
py = py + delta $dKf UlO
rad = px*px + py*py ]zyT_}&
if rad <= 0.9999999 i0wBZ i?
raytrace hx, hy, px, py iOEBjj;C
numrayattempt = numrayattempt+1 0aY\(@
if !rayv(n) **************************** zLe(#8G
numray = numray + 1 ~D}fy
x = rayx(n) *&I v Eu
y = rayy(n) "@ ^<~bw
if (x < xraymin) then xraymin = x j*|0#q;e6
if (x > xraymax) then xraymax = x "#gKI/[qxq
if (y < yraymin) then yraymin = y C4ktCN
if (y > yraymax) then yraymax = y kG5+kwV= :
xraytot = xraytot + x B.od{@I(Xp
yraytot = yraytot + y *rw6?u9I
endif c-&Q_lB
endif Hpz1Iy @
if py < 1.0 then goto 3 zj2y=A| Y
if px < 1.0 then goto 2 P PV T2;9
if numray PR!0=E*}
format 14.8 9v;[T%%
print " X Centroid = ",xraytot/numray, G$'UK
print " Y Centroid = ",yraytot/numray {a V,h@>
print " X Middle = ",(xraymax+xraymin)/2, n(# yGzq
print " Y Middle = ",(yraymax+yraymin)/2 w/ZP. B
format .0 b|k^
print " ",numray, " out of ", numrayattempt," rays made it through." zQ,M795@EA
else "{E%Y*
print " No rays made it through!" q] pHD})O
endif .p=J_%K}0x
f=f+1 PE6,9i0ee
if f<= nfld() then goto 1 { g[kn^|
print vs+aUT C\
print "All field positions done!" 9pj6`5Zn@6
FORMAT 0.1 <>$CYTb
print "Elapsed time ", ETIM(), " seconds." 4zhh **]B
