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············· v"u^M-_
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macro 正文：········· $e%2t^ i.g
! centroid.zpl 8Ad606
! u8b2 $D
! Written by Kenneth Moore 9/1/92 PnT)LqEF
! Added TIMER function 4/18/96 Z*{]
,
! <T?oKOD ]
TIMER )+I.|5g
! w6|9|f/
! The delta controls how many rays will be traced. A ~K_Uq*dCE
! delta of .025 will trace a 80 x 80 grid in the pupil. D.!~dyI.,$
! ?gGt2O1J
delta = .025 dHnR_.
! }|)R
print "This program computes the chief ray coordinates," 6bc3 37b
print "centroid coordinates, and middle coordinates for" UO`;&e-DB
print "the primary wave spot at each field position." wVs.Vcwr
maxfield = maxf() i y YJR
if maxfield == 0 then maxfield = 1 QA!_} N4n
n = nsur() xk~I N%\
f = 1 jP vDFT^d/
label 1 fr6^nDY
hx = fldx(f)/maxfield ;d.K_P
hy = fldy(f)/maxfield !#ri5{od
raytrace hx,hy,0,0 q*jNH\|
format 10.4 4 fV3Ear=j
print 9V uq,dv
print " X Field = ", fldx(f), aAvsb$
print " Y Field = ", fldy(f) 0x2!<z
print " X Chief = ",rayx(n), RNVbcd
print " Y Chief = ",rayy(n) [t\B6XxT
xraymax = -9e9 ge3sU5iZ
yraymax = -9e9 \h<BDk*
xraymin = 9e9 5@Bu99`
yraymin = 9e9 HY;o ^drd
xraytot = 0 ?VU (Pq*`
yraytot = 0 ^he=)rBb?
numray = 0 ij5g^{_T;8
numrayattempt = 0 vY|^/[x#B
px = -1 - delta gxPx&Z6jF
label 2 xZ5M/YSyG
px = px + delta Gnm4gF!BI
py = -1 - delta vh!v
MB}}
label 3 6Z?j AXGSq
py = py + delta K[\'"HyQ,X
rad = px*px + py*py ({0)@+V8
if rad <= 0.9999999 W) j|rz.
raytrace hx, hy, px, py `pZs T
^G[
numrayattempt = numrayattempt+1 $5`!Z%>/
if !rayv(n) **************************** fJ*:{48
numray = numray + 1 aFiCZHohw
x = rayx(n) ek aFN\
y = rayy(n) inPJ2uBD\^
if (x < xraymin) then xraymin = x TfxwVPX
if (x > xraymax) then xraymax = x y]..= z_ql
if (y < yraymin) then yraymin = y h<l1]h+x
if (y > yraymax) then yraymax = y t-u|U(n
xraytot = xraytot + x 3LR p2(A
yraytot = yraytot + y d<w~jP\
endif nm$Dd~mxW1
endif :R6bq!
if py < 1.0 then goto 3 h.rD}N\L
if px < 1.0 then goto 2 D* 5hrkV9
if numray fqz28aHh
format 14.8 XB hb`AG
print " X Centroid = ",xraytot/numray, Mkp/0|Q*
print " Y Centroid = ",yraytot/numray 1R LY $M
print " X Middle = ",(xraymax+xraymin)/2, P=L$;xgp
print " Y Middle = ",(yraymax+yraymin)/2 FFhtj(hVgc
format .0 ;wiao(t>4N
print " ",numray, " out of ", numrayattempt," rays made it through." 7x] 4`#u
else ?71+ f{s
print " No rays made it through!" &WXY 'A=
endif mAgF73,3
f=f+1 3T\l]? z
if f<= nfld() then goto 1 qpoV]#iW
print ?q`0ZuAg\<
print "All field positions done!" LL^q1)o
FORMAT 0.1 "; [ iZ
print "Elapsed time ", ETIM(), " seconds." Mj>}zbpk /
