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············· FBfyW-
7
- u6`B -T
macro 正文：········· [&mY W.O<
! centroid.zpl i2<dn)K[~-
! ^%|(dMo4
! Written by Kenneth Moore 9/1/92 E3N4(V\*
! Added TIMER function 4/18/96 <fY<.X
! ebF},Q(48
TIMER wA`A+Z2*?
! WFBg3#p
! The delta controls how many rays will be traced. A 8'+XR`g:ax
! delta of .025 will trace a 80 x 80 grid in the pupil. x
Hw$
! ]# hT!VOd
delta = .025 G:qkk(6_#
! XK:KWqW
print "This program computes the chief ray coordinates," Jt4T)c9
print "centroid coordinates, and middle coordinates for" l\8 l.xP
print "the primary wave spot at each field position." h#bpog
maxfield = maxf() IQK__)
if maxfield == 0 then maxfield = 1 B8'(3&)My
n = nsur() 64s9Dy@%F
f = 1 lyzMKla"
label 1 fT.5@RR7^
hx = fldx(f)/maxfield GXaCH))TO
hy = fldy(f)/maxfield 6ju +#]T
raytrace hx,hy,0,0 !:3NPjhf1Y
format 10.4 ;D_6u(IC4:
print ~Ra1Zc$o:
print " X Field = ", fldx(f), 'Mjbvh4
print " Y Field = ", fldy(f) 8xUmg&
print " X Chief = ",rayx(n), * wN+Ak q
print " Y Chief = ",rayy(n) L QYT/
xraymax = -9e9 Fs:l"5~>1
yraymax = -9e9 WU1 I>i
xraymin = 9e9 6.tppAO+
yraymin = 9e9 (E)/' sEb
xraytot = 0 Ch
` Omq
yraytot = 0 UC*<]
numray = 0 st36xS
numrayattempt = 0 IsO'aFK)ln
px = -1 - delta %>cc%(POO
label 2 g#=^U`y
px = px + delta 'w.:I
TJf
py = -1 - delta /= P!9d
{
label 3 %@(6,^3%i
py = py + delta {rOz[E9vm
rad = px*px + py*py \@4QG.3&
if rad <= 0.9999999 $ i@5'[jA
raytrace hx, hy, px, py e*vSGT$KgL
numrayattempt = numrayattempt+1 ihH!"HH+
if !rayv(n) **************************** kYs2AzS{d
numray = numray + 1 "/hs@4{u9
x = rayx(n) 6"
3!9JC
y = rayy(n) RCNqHYR
if (x < xraymin) then xraymin = x URR| Q!D
if (x > xraymax) then xraymax = x R4}G@&Q
if (y < yraymin) then yraymin = y =}7wpTc,
if (y > yraymax) then yraymax = y @6.1E K0
xraytot = xraytot + x Xu HJy
yraytot = yraytot + y #.}Su+XF
endif =]7|*-
endif ~ ;m~)D
if py < 1.0 then goto 3 0*:]e M};P
if px < 1.0 then goto 2 p M[UC{
if numray 4$.UVW\
format 14.8 A@'):V8_%C
print " X Centroid = ",xraytot/numray, { b/60xl?
print " Y Centroid = ",yraytot/numray c<J J uG
print " X Middle = ",(xraymax+xraymin)/2, nC`#Hm.V%
print " Y Middle = ",(yraymax+yraymin)/2 *goi^ Xp
format .0 iG! MIt*
print " ",numray, " out of ", numrayattempt," rays made it through." }Sp MHR`
else )X\3bPDJR
print " No rays made it through!" TQ@*eoJj
endif n2 ,b~S\e
f=f+1 XrSqU D
if f<= nfld() then goto 1 a((5_8SX5
print E_?3<)l)RI
print "All field positions done!" *JO"8iLw
FORMAT 0.1 {yVi/*;f^
print "Elapsed time ", ETIM(), " seconds." nEOhN
