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············· Xk mQBV"
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macro 正文：········· hqSJ(gs{
! centroid.zpl a l9.}
! xG&SX#[2
! Written by Kenneth Moore 9/1/92 R>@uY( >dJ
! Added TIMER function 4/18/96 VObrlOkp
! K r`]_m
TIMER mY !iu(R1
! Rhzn/\)|
! The delta controls how many rays will be traced. A ~|Y>:M+0Z
! delta of .025 will trace a 80 x 80 grid in the pupil. g+8hp@a
! ~3h-j K?
delta = .025 hPhZUL%
! qa >Ay|92e
print "This program computes the chief ray coordinates," =ziwxIo6
print "centroid coordinates, and middle coordinates for" =4! n Fi
print "the primary wave spot at each field position." 1Y xgR}7
maxfield = maxf() I,6/21kO
if maxfield == 0 then maxfield = 1 cp
E ar
n = nsur() oT95^y\9
f = 1 \[2lvft!
label 1 wmr-}Y!9u%
hx = fldx(f)/maxfield *~$~yM/~3U
hy = fldy(f)/maxfield xgsjm) )
raytrace hx,hy,0,0 6~meM@
format 10.4 6$ Q,Y}j
print M .} 7pJ7f
print " X Field = ", fldx(f), c8 K3 .&P6
print " Y Field = ", fldy(f) ?ne_m:J[
print " X Chief = ",rayx(n), TB6m0qX (
print " Y Chief = ",rayy(n) i=FQGWAUu
xraymax = -9e9 N@o?b
yraymax = -9e9 s$h]
G[x
xraymin = 9e9 (kBP(2V
yraymin = 9e9 9< CG s3\
xraytot = 0 _cDF{E+;
yraytot = 0 96Wp!]*
numray = 0 M<?Q4a'Q
numrayattempt = 0 Ip utF<p
px = -1 - delta }_.:+H!@
label 2 wYsZM/lw
px = px + delta JHn*->m
py = -1 - delta q(^Q3
label 3 <pLT'Y=
py = py + delta bJr[I
rad = px*px + py*py u?+bW-D'd
if rad <= 0.9999999 pe0x""K
raytrace hx, hy, px, py XhU @W}}
numrayattempt = numrayattempt+1 G1T^a>tj4
if !rayv(n) **************************** [V# r7a
numray = numray + 1 9|' B9C
x = rayx(n) =H7xD"'%R
y = rayy(n) . ~lKBkS`!
if (x < xraymin) then xraymin = x De
*7OC
if (x > xraymax) then xraymax = x `RQ#.
if (y < yraymin) then yraymin = y Nw J:!
if (y > yraymax) then yraymax = y DdV'c@rq +
xraytot = xraytot + x ,0$)yZ3*3,
yraytot = yraytot + y l" :c
endif 8Q`WB0E<|
endif _K2?YY(#>
if py < 1.0 then goto 3 2R-A@UE2
if px < 1.0 then goto 2 \~rlgxd
if numray e>'H
IO
format 14.8 TrVW v
print " X Centroid = ",xraytot/numray, gA#RM5x@
print " Y Centroid = ",yraytot/numray YL^=t^ !4
print " X Middle = ",(xraymax+xraymin)/2, @pV5}N[]
print " Y Middle = ",(yraymax+yraymin)/2 K2_Qu't0$
format .0 .o{0+fC#
print " ",numray, " out of ", numrayattempt," rays made it through." hi =XYC,
else 4tA_YIv
print " No rays made it through!" ^[:9fs
endif EER`?Sa(
f=f+1 ?q2j3e[>
if f<= nfld() then goto 1 p(SRjQt
print c2l_$p
print "All field positions done!" H2gj=krK
FORMAT 0.1 +y+"Fyl
print "Elapsed time ", ETIM(), " seconds." I 1d0iU
