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·············
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macro 正文：········· Na: M1Uhb
! centroid.zpl z
! V\ch0i
1
! Written by Kenneth Moore 9/1/92 RK(uC-l
! Added TIMER function 4/18/96 7p3 ;b"'
! AKx\U?ei7
TIMER }D
dg
! ;hF > iw
! The delta controls how many rays will be traced. A s=#IoNh
! delta of .025 will trace a 80 x 80 grid in the pupil. @dX0gHU[c
! asP> (Li
delta = .025 RyD2LAf)J
! WhE5u&`
print "This program computes the chief ray coordinates," j)Kk:BFFY
print "centroid coordinates, and middle coordinates for" Dn$zwksSs
print "the primary wave spot at each field position." %8`zaa
maxfield = maxf() ^q"p 8
if maxfield == 0 then maxfield = 1 $>' }6?C.
n = nsur() 9;dP7o
f = 1 C
fQj7{
label 1 %s$ _KG !&
hx = fldx(f)/maxfield Xn.zN>mB
hy = fldy(f)/maxfield e;x`C
raytrace hx,hy,0,0 c} Jy'F7&f
format 10.4 m#,
F%s
print /r@P\_
print " X Field = ", fldx(f), eC9~
wc
print " Y Field = ", fldy(f) Mp7 5 L5
print " X Chief = ",rayx(n), Wr`=P ,
print " Y Chief = ",rayy(n) l,h#RTfry
xraymax = -9e9 Bp^> R`,
yraymax = -9e9 d(, -13
xraymin = 9e9 OW)8Z 60
yraymin = 9e9 i3: sV 5
xraytot = 0 ]gTa TY
yraytot = 0 @U;-5KYYi
numray = 0 F"hi2@/TI
numrayattempt = 0 St|sUtj<r
px = -1 - delta w|Zq5| [
label 2 {e IE|
px = px + delta jR@-h"2*A
py = -1 - delta a&L8W4
label 3 Ze WHSU
py = py + delta ?jw)%{iKYV
rad = px*px + py*py K/Q;]+D
if rad <= 0.9999999 @pytHN8( $
raytrace hx, hy, px, py 7 bsW7;C
numrayattempt = numrayattempt+1 H=X>o.iVqi
if !rayv(n) **************************** ]*i>KR@G
numray = numray + 1 Tj0eW(<!s
x = rayx(n) Uj k``;
y = rayy(n) GmAE!+ "
if (x < xraymin) then xraymin = x J)jiI>
if (x > xraymax) then xraymax = x y9 s5{\H
if (y < yraymin) then yraymin = y C
2oll-kN
if (y > yraymax) then yraymax = y Qs% f6rL
xraytot = xraytot + x aOYd "S}u
yraytot = yraytot + y _LK>3 S qd
endif 2"__j p:(
endif ,nHz~Xi1t
if py < 1.0 then goto 3 7/*; rT
if px < 1.0 then goto 2 E&& 80[tN]
if numray ;" Ot\:0
format 14.8 , R^Pk6m>
print " X Centroid = ",xraytot/numray, U4N
S.`V
print " Y Centroid = ",yraytot/numray Do _L
print " X Middle = ",(xraymax+xraymin)/2, Z @ I%ppd
print " Y Middle = ",(yraymax+yraymin)/2 40g&zU-
format .0 x,7a xx6
print " ",numray, " out of ", numrayattempt," rays made it through." PA5g]Tz
else .}Z mqz[
print " No rays made it through!" H}U& =w'
endif aY {.
f=f+1 '6 /uc :zv
if f<= nfld() then goto 1 S0 yPg9v
print t?0=;.D
print "All field positions done!" YF:NRY[i
FORMAT 0.1 f A 3
print "Elapsed time ", ETIM(), " seconds." _K;rM 7
