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············· Z3 =t"
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macro 正文：········· Bm1yBKjO
! centroid.zpl KD=T04v
! " @DCQ
! Written by Kenneth Moore 9/1/92 o1 QK@@}
! Added TIMER function 4/18/96 19h8p>Sx0
! zAS&L%^ tV
TIMER [ p|-G*=00
! DtR-NzjB
! The delta controls how many rays will be traced. A 's+ Fd~ '
! delta of .025 will trace a 80 x 80 grid in the pupil. :U^a0s %B
! t: r
delta = .025 Lr_+) l
! qK#\k@ E
print "This program computes the chief ray coordinates," =" z\
print "centroid coordinates, and middle coordinates for" ZI-)'
print "the primary wave spot at each field position." l hKd<Y"
maxfield = maxf() 0(h *< g:
if maxfield == 0 then maxfield = 1 aV,>y"S
n = nsur() !Tr +: SM
f = 1 P %(pbG-X.
label 1 /EA4-#uw
hx = fldx(f)/maxfield D\bW' k]!
hy = fldy(f)/maxfield rer=o S
raytrace hx,hy,0,0 B/&axm%0
format 10.4 N_U Z u
print G/bWn@
print " X Field = ", fldx(f), Lr V)}1&5
print " Y Field = ", fldy(f) 9co1+y=i{
print " X Chief = ",rayx(n), U_ y)p Cd
print " Y Chief = ",rayy(n) A tzp\oO
xraymax = -9e9 UXnd~DA
yraymax = -9e9 W EZ(4ah
xraymin = 9e9 zsc8Lw
yraymin = 9e9 ;spuBA)[X
xraytot = 0 A !x" *
yraytot = 0 eOE7A'X
numray = 0 A!x_R {,yH
numrayattempt = 0 %DbL|;z1
px = -1 - delta >x eKO 2o
label 2 TY] ,H=
px = px + delta ,g;~:
py = -1 - delta HJ:s)As
label 3 3W 5|Y@0
py = py + delta pdngM 8n
rad = px*px + py*py b(&2/|hd
if rad <= 0.9999999 j_H{_Ug
raytrace hx, hy, px, py k^:$ETW2
D
numrayattempt = numrayattempt+1 *}$T:kTH
if !rayv(n) **************************** <}L`d (E@f
numray = numray + 1 P *BA
x = rayx(n) 5rr7lw WZ
y = rayy(n) ]3BTL7r
if (x < xraymin) then xraymin = x =hH>] $J[
if (x > xraymax) then xraymax = x y4t M 0h
if (y < yraymin) then yraymin = y ;^^u _SuH
if (y > yraymax) then yraymax = y Hl8-1M$&
xraytot = xraytot + x b54<1\&
yraytot = yraytot + y |K YON Q
endif s*>s;S?{|
endif *RD9 gIze
if py < 1.0 then goto 3 [-x~Q[
if px < 1.0 then goto 2 P>+{}c}3I
if numray be |k"s|6)
format 14.8 MS)# S&
print " X Centroid = ",xraytot/numray, h/ ?8F^C#v
print " Y Centroid = ",yraytot/numray 47ppyh6@
print " X Middle = ",(xraymax+xraymin)/2, S#8w nHq
print " Y Middle = ",(yraymax+yraymin)/2 ),(ejRP'r
format .0 MRwls@z=
print " ",numray, " out of ", numrayattempt," rays made it through." EW%%W 6O6
else `(vgBz`e[
print " No rays made it through!" Qx1ZxJz #
endif +y! dU{L^
f=f+1 j7 K9T
if f<= nfld() then goto 1 fIu5d6;'
print Ek~Qp9B
print "All field positions done!" r :{2}nE
FORMAT 0.1 2Vxr
print "Elapsed time ", ETIM(), " seconds." N)K};yMf
