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············· ,wnF]K 2D0
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macro 正文：········· q?\3m3GM
! centroid.zpl K4oLb"gB1
! <tFq6|
! Written by Kenneth Moore 9/1/92
t'7)aJMP
! Added TIMER function 4/18/96 r)h+pga5^E
! IWKQU/l!
TIMER o2Z#
5-
! g3"`b)M
! The delta controls how many rays will be traced. A _L&C4 <e'
! delta of .025 will trace a 80 x 80 grid in the pupil. ?; }2 Z)
! x/5%a{~j2
delta = .025 xNl_Q8Z?R^
! "z7.i{
print "This program computes the chief ray coordinates," 6i>xCb
print "centroid coordinates, and middle coordinates for" (}c}= V
print "the primary wave spot at each field position." M-0BQ s`N
maxfield = maxf() .7cQKdvcC
if maxfield == 0 then maxfield = 1 L# (o(4g2
n = nsur() lwjg57
f = 1 6XB9 ]it 6
label 1 WM*7p;t@)
hx = fldx(f)/maxfield 8'/vW ~f
hy = fldy(f)/maxfield !a4pKN`qLY
raytrace hx,hy,0,0 QBDi;Xzb+
format 10.4 J
Wof<D,
print }&EPH}V2n
print " X Field = ", fldx(f), s _p?3bKu
print " Y Field = ", fldy(f) X[| -F3 o
print " X Chief = ",rayx(n), J`V7FlM
print " Y Chief = ",rayy(n) ,zz+s[ZH7O
xraymax = -9e9 m!w(Q+*j
yraymax = -9e9 r!j_KiUy
xraymin = 9e9 m$0T" `AP`
yraymin = 9e9 sIg{a( 1/
xraytot = 0 E3sl"d; ~
yraytot = 0 \*a7DuVw
numray = 0 [
9 8)7
numrayattempt = 0 :/d#U:I
px = -1 - delta B-'Xk{
label 2 BTGPP@p4
px = px + delta } n_9d.
py = -1 - delta 8@Y]dz gjj
label 3 m[ (2
py = py + delta I`zn#U'
rad = px*px + py*py !V#(g ./W
if rad <= 0.9999999 c?j / H$
raytrace hx, hy, px, py +-K-CXt
numrayattempt = numrayattempt+1 lc#su$xR>
if !rayv(n) **************************** M)(
5S1ndq
numray = numray + 1 x4R[Q&:M
x = rayx(n) ^Jsx^?
y = rayy(n) 3Sf <oYF
if (x < xraymin) then xraymin = x `epO/Uu\~u
if (x > xraymax) then xraymax = x x>Q\j> ^
if (y < yraymin) then yraymin = y Pr<. ld\
if (y > yraymax) then yraymax = y 45q-x_
xraytot = xraytot + x @aWvN;v
yraytot = yraytot + y Ry r2
endif VuPa '2
endif YN.rj-;^+
if py < 1.0 then goto 3 [f&ja[m q
if px < 1.0 then goto 2 0,E*9y}
if numray 349W0>eOT
format 14.8 pa4zSl
print " X Centroid = ",xraytot/numray, +*mi%)I
print " Y Centroid = ",yraytot/numray /87?U; |V
print " X Middle = ",(xraymax+xraymin)/2, S:+ SZq
print " Y Middle = ",(yraymax+yraymin)/2 yiWBIJ2Wu9
format .0 <TC\Nb$~
print " ",numray, " out of ", numrayattempt," rays made it through." OpW4@le_r
else G;>b}\Ng
print " No rays made it through!" Myg
&H(~
endif [ ;
f=f+1 q`{crY30
if f<= nfld() then goto 1 ,n-M!y
print -1DQO|q#
print "All field positions done!" z ~#
.Ey
FORMAT 0.1 vB
hpD
print "Elapsed time ", ETIM(), " seconds." Fr`"XH
