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············· q=BAYZ\`
! G ~\9
macro 正文：········· X.)1>zk
! centroid.zpl $/JnYkL{m
! |TBKs x8
! Written by Kenneth Moore 9/1/92 Q},uM_" +
! Added TIMER function 4/18/96 4~:D7",Jn
! zpxy X|
TIMER H&Z sMML/%
! /z,+W9`
! The delta controls how many rays will be traced. A D>q? My
! delta of .025 will trace a 80 x 80 grid in the pupil. n-lDE}K9%B
! o648
xUP
delta = .025 ;{>-K8=>$
! vr>Rd{dm
print "This program computes the chief ray coordinates," %eqL)pC]
print "centroid coordinates, and middle coordinates for" Q# $dp
print "the primary wave spot at each field position." YC~kq?
maxfield = maxf() j~9,Ct
if maxfield == 0 then maxfield = 1 ;V~~lcD&Y`
n = nsur() iuq%Q\0@w
f = 1 7 \;gd4Ua1
label 1 VrRBwvp-K
hx = fldx(f)/maxfield k{$Mlt?&-
hy = fldy(f)/maxfield ?jBh=X\]:
raytrace hx,hy,0,0 cm7>%g(oQo
format 10.4 =:'a)o
print {?'c|\n Li
print " X Field = ", fldx(f), !g-19at
print " Y Field = ", fldy(f) n 1)m(,{
print " X Chief = ",rayx(n), R_DZJV O
print " Y Chief = ",rayy(n) B,dKpz;kFg
xraymax = -9e9 rU1{a" {
yraymax = -9e9 ]+0I8eerd
xraymin = 9e9 TBqJ.a
yraymin = 9e9 cvf#^Cu
xraytot = 0 B\ !.o=<h
yraytot = 0 V0WFh=CM@
numray = 0 E
:Y
*;
numrayattempt = 0 [I` 6F6
px = -1 - delta (PCv4:`g
label 2 ^t\AB)(8
px = px + delta nK9A=H'Hc
py = -1 - delta S}*%l)vfR
label 3 #G ZGk?
py = py + delta W|kK H5E&
rad = px*px + py*py NLxsxomj
if rad <= 0.9999999 `#~HCl
raytrace hx, hy, px, py wMB<^zZmv
numrayattempt = numrayattempt+1 sj @'C@oK
if !rayv(n) **************************** L$+ap~ld
numray = numray + 1 q
y8=4~40
x = rayx(n) sf5koe
y = rayy(n) _,4f z(
if (x < xraymin) then xraymin = x
HRKe 7#e
if (x > xraymax) then xraymax = x ;0 VE *
if (y < yraymin) then yraymin = y S)*eAON9
if (y > yraymax) then yraymax = y '
RjFWHAp
xraytot = xraytot + x d98Z C+q
yraytot = yraytot + y q|%(47}z
endif 29#;;n}p
endif v(t?d
if py < 1.0 then goto 3 A %s"WSx,
if px < 1.0 then goto 2 >p 7e6%
if numray 8Mq]
V
v
format 14.8 L Pk85E
print " X Centroid = ",xraytot/numray, i=<N4Vx
print " Y Centroid = ",yraytot/numray b='YCa
print " X Middle = ",(xraymax+xraymin)/2, _6
~/`_(KP
print " Y Middle = ",(yraymax+yraymin)/2 89'XOXl&1
format .0 * qE[Y0Cd
print " ",numray, " out of ", numrayattempt," rays made it through." xla9:*pPn
else )nS;] 7pB@
print " No rays made it through!" bd2"k;H<o
endif /tf}8d
f=f+1 f,Sybf/uHh
if f<= nfld() then goto 1 zRJopcE<
print s Hu~;)
print "All field positions done!" RCq _FY
FORMAT 0.1 @&]j[if (s
print "Elapsed time ", ETIM(), " seconds." Ss&R!w9 p
