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············· nehk8+eV_
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macro 正文：········· n}1hmAh Z
! centroid.zpl j 5[ >HL
! NU {eoqaT
! Written by Kenneth Moore 9/1/92 k%sA+=
! Added TIMER function 4/18/96 H15!QxD#
! t4~?m{
TIMER `'mRGz7t
! qX6zk0I a
! The delta controls how many rays will be traced. A :x3DuQP
! delta of .025 will trace a 80 x 80 grid in the pupil. 1GLb^:~A
! '& gUAt
delta = .025 ,O^kZ}b
! -s le7 k
print "This program computes the chief ray coordinates," !^1 oH**
print "centroid coordinates, and middle coordinates for" "
;8kKR
print "the primary wave spot at each field position." FcOrA3tt
maxfield = maxf() h]|2b0
if maxfield == 0 then maxfield = 1 UN^M.lqZX
n = nsur() cZrJW
f = 1 **6X9ZIX[
label 1 _jxysFl=
hx = fldx(f)/maxfield h4ghMBo%
hy = fldy(f)/maxfield -wNhbV2
raytrace hx,hy,0,0 u+j x3aP:
format 10.4 ~aL?{kb+
print P;&U3i
print " X Field = ", fldx(f), {cw+kY]m4-
print " Y Field = ", fldy(f) w#bdb;
print " X Chief = ",rayx(n), ,>TDxI;
print " Y Chief = ",rayy(n) ms+gq
xraymax = -9e9 #\z"k<{*
yraymax = -9e9 {w99 ~?
xraymin = 9e9 I;P!
yraymin = 9e9 =)Goip
xraytot = 0 [{ A5 BE -
yraytot = 0 d+8|aS<A
numray = 0 SQuW`EHBgs
numrayattempt = 0 @Hp=xC9V
px = -1 - delta H
a`V"X{}
label 2 3}.OSt'=
px = px + delta +]VW[ $W
py = -1 - delta :{Iv
] d
label 3 jwwst\f
py = py + delta *vzj(HGO
rad = px*px + py*py b& pL}o?/k
if rad <= 0.9999999 #N\<(SD/
raytrace hx, hy, px, py ]}_Ohe]X
numrayattempt = numrayattempt+1 *NI hYg6
if !rayv(n) **************************** W}\<}dK
numray = numray + 1 3 +D4$Y"
x = rayx(n) -$D#u
y = rayy(n) <bBgevL+_K
if (x < xraymin) then xraymin = x Psjk
7\
if (x > xraymax) then xraymax = x }iB>3|\
if (y < yraymin) then yraymin = y v #Q(g/^
if (y > yraymax) then yraymax = y Mg u=cm )
xraytot = xraytot + x 93Q x+oK]
yraytot = yraytot + y *eUxarI
endif 3HX-lg`0
endif #~q Y%X
if py < 1.0 then goto 3 2|8$@*-\
if px < 1.0 then goto 2 '[[*(4 a3
if numray ^c>ROpic
format 14.8 `%0k\,}V
print " X Centroid = ",xraytot/numray, O'W[/\A56M
print " Y Centroid = ",yraytot/numray 8PW3x-+
print " X Middle = ",(xraymax+xraymin)/2, ]LSlo593
print " Y Middle = ",(yraymax+yraymin)/2 k=5v
J72U
format .0 mDIN%/S'
print " ",numray, " out of ", numrayattempt," rays made it through." G\S_e7$ /
else Dt+u f5o(
print " No rays made it through!" f u`|@S
endif \MmKz^tO
f=f+1 x*F_XE1#M
if f<= nfld() then goto 1 GG`;c?d@
print L>2gx $f
print "All field positions done!" &vS @-K
FORMAT 0.1 k.#[h@Pm
print "Elapsed time ", ETIM(), " seconds." G%fNGQwT
