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············· +;l DU}$
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macro 正文：········· Awxm[:r> ^
! centroid.zpl nUpj+F#
! @2h hB W
! Written by Kenneth Moore 9/1/92 (0q`eO2
! Added TIMER function 4/18/96 .O1w-,=
! aOGoJCt
C
TIMER _Sfu8k>):
! Zt! $"N.,
! The delta controls how many rays will be traced. A T$"~V u
! delta of .025 will trace a 80 x 80 grid in the pupil. #1E4
R}B
! 'RKpMdoz
delta = .025 8xAI n>,_
! W7WHDL^
print "This program computes the chief ray coordinates," 3]?='Qq.(
print "centroid coordinates, and middle coordinates for" G{fPQ=
print "the primary wave spot at each field position." &,% n
maxfield = maxf() Nm z 5:Rq
if maxfield == 0 then maxfield = 1 KPO w
n = nsur() gU+yqT7=
f = 1 X,l7>>L{g
label 1 [k\VUg:P
hx = fldx(f)/maxfield tq h)yr;
hy = fldy(f)/maxfield C] mp <
raytrace hx,hy,0,0 ?%~p@
format 10.4 vc|tp_M67
print XLpn3sX$
print " X Field = ", fldx(f), }EwE#sZ#
print " Y Field = ", fldy(f) 1gK^x^l*f
print " X Chief = ",rayx(n), J' P:SC1
print " Y Chief = ",rayy(n) "r@#3T $
xraymax = -9e9 wsB-(
0-
yraymax = -9e9 \A \
xraymin = 9e9 6jc5B#
yraymin = 9e9 elGBX
h
xraytot = 0 6O{QmB0KK
yraytot = 0 @-S7)h>~
numray = 0 <tbs,lcw;
numrayattempt = 0 Tdh.U {Nz
px = -1 - delta u;nn:K1QFr
label 2 =@4 ,szLO
px = px + delta -{OJ M|W+
py = -1 - delta ]@z!r2[
label 3 A]0R?N9wb_
py = py + delta Zj]tiN f\"
rad = px*px + py*py u3 LoP_|
if rad <= 0.9999999 `;}qjm0a
raytrace hx, hy, px, py Pzzzv^+
numrayattempt = numrayattempt+1 +1c r6a
if !rayv(n) **************************** oe^JDb#
numray = numray + 1 z. hq2 v
x = rayx(n) ]SA/KV
y = rayy(n) }|Q \@3&
if (x < xraymin) then xraymin = x ` $1A;wg<
if (x > xraymax) then xraymax = x ,x&WE@tD |
if (y < yraymin) then yraymin = y 5g-1pzP9
if (y > yraymax) then yraymax = y ^E \4`
xraytot = xraytot + x WP\kg\o
yraytot = yraytot + y cLL2
'
endif J)Yz@0#T(;
endif OjffN'a+N
if py < 1.0 then goto 3 \Kui`X
if px < 1.0 then goto 2 _X?_|!;J
if numray J3ao m,$o
format 14.8 63\
CE _p
print " X Centroid = ",xraytot/numray, s SKD"
print " Y Centroid = ",yraytot/numray <bW ~ !lv
print " X Middle = ",(xraymax+xraymin)/2, aj1 g9 y
print " Y Middle = ",(yraymax+yraymin)/2 X=?9-z]
QO
format .0 zp9l u B
print " ",numray, " out of ", numrayattempt," rays made it through." ~5|R`%
else \anOOn@
print " No rays made it through!" Fg
p|gw4
endif ImB5F'HI$
f=f+1 MX#LtCG#V
if f<= nfld() then goto 1 Vg bT/v
print %?V~7tHm>
print "All field positions done!" vD#kH 1
FORMAT 0.1 T"H"m4{'
print "Elapsed time ", ETIM(), " seconds." `j '1V1
