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············· Dt}JG6 S
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macro 正文：········· DGRXd#
! centroid.zpl VrHv)lUr
! >tYm+coS
! Written by Kenneth Moore 9/1/92 /z4$gb7Y
! Added TIMER function 4/18/96 vUN22;Z\
! r)lEofX,g+
TIMER ? E 1<!~
! :y+2*lV
! The delta controls how many rays will be traced. A J*r *X.
! delta of .025 will trace a 80 x 80 grid in the pupil. vleS2-]|
! u8'Zl8 g
delta = .025 A#K14Ayr
! q z+dmef
print "This program computes the chief ray coordinates," B\=L3eL<D
print "centroid coordinates, and middle coordinates for" hW%TM3l}
print "the primary wave spot at each field position." y0Fb_"}
maxfield = maxf() sQ=]NF)\
if maxfield == 0 then maxfield = 1 Z~AO0zUKY
n = nsur() S
^"y4- 2
f = 1 >W%EmnLK
label 1 !`k1:@NZ
hx = fldx(f)/maxfield j fP*"uUK
hy = fldy(f)/maxfield zpzK>DH(
raytrace hx,hy,0,0 fFMlDg[];
format 10.4 r(6 Y*<
print "~#3& 3HVS
print " X Field = ", fldx(f), SOs:]U-T3
print " Y Field = ", fldy(f) :nh_k 4S@v
print " X Chief = ",rayx(n), :yL] ;J
print " Y Chief = ",rayy(n) } K7#Q
xraymax = -9e9 1Lc#m`Jln
yraymax = -9e9 p2Z?T}fa}&
xraymin = 9e9 JUsQ,ETn
yraymin = 9e9 +M./@U*g
xraytot = 0 o @r7
n>G
yraytot = 0 5 f@)z"j
numray = 0 bbtGXfI+SB
numrayattempt = 0 g$":D
px = -1 - delta J}*,HT *
label 2 e{h<g>7
px = px + delta k|v3.< -
py = -1 - delta ."TxX.&HE
label 3 l\E%+?K+^
py = py + delta |Z|-q"Rf
rad = px*px + py*py hP=WFD&
if rad <= 0.9999999
d: _t-ZZo
raytrace hx, hy, px, py sz5MH!/PJ
numrayattempt = numrayattempt+1 .\\DKh%
if !rayv(n) **************************** k o5 @qNq
numray = numray + 1 P#E &|n7DT
x = rayx(n) ,QOG !T4
y = rayy(n) fsmN)_T
if (x < xraymin) then xraymin = x 9
3U_tQ&1?
if (x > xraymax) then xraymax = x 8 |b3j^u
if (y < yraymin) then yraymin = y 5 z~1Dw
if (y > yraymax) then yraymax = y &Q9 qq ~
xraytot = xraytot + x j>*S5y.{
yraytot = yraytot + y 4qN{n#{+]
endif >L|;|X!m9\
endif v&Ii^?CvO
if py < 1.0 then goto 3 wGU*:k7p
if px < 1.0 then goto 2 v:EB*3n5
if numray
#c!*</
format 14.8 x[4`fM.m*
print " X Centroid = ",xraytot/numray, IW)()*8;/
print " Y Centroid = ",yraytot/numray +y,T4^{
print " X Middle = ",(xraymax+xraymin)/2, E_gD:PPU5
print " Y Middle = ",(yraymax+yraymin)/2 LZ\q3 7UV
format .0 HvUxsdT
print " ",numray, " out of ", numrayattempt," rays made it through." Q;MT"=RW
else `0rd26Qro
print " No rays made it through!" Jx_cf9{
endif c4!^nk]
f=f+1 |$+3a
if f<= nfld() then goto 1 k=2Lo
print T`/AY?#
print "All field positions done!" ylUb9KusOx
FORMAT 0.1 {qD SPo
print "Elapsed time ", ETIM(), " seconds." 32l3vv.j
