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············· [Zxv&$SQ
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macro 正文：········· W{W8 \
! centroid.zpl rZ#ZY
! I 6-.;)McO
! Written by Kenneth Moore 9/1/92 9Rd & Jq^
! Added TIMER function 4/18/96 $~c
wB
! o| G[/o2
TIMER B9(@ .
! oT0TbZu%
! The delta controls how many rays will be traced. A kVe4 #LT
! delta of .025 will trace a 80 x 80 grid in the pupil. X%rsa7H3J
! P+:DLe x
delta = .025 ;k |U2ajFJ
! NXHe;G
print "This program computes the chief ray coordinates," r7^oqEp@B
print "centroid coordinates, and middle coordinates for" wG@f~$
print "the primary wave spot at each field position." (J 1:J
maxfield = maxf()
YG_|L[/#
if maxfield == 0 then maxfield = 1 P rqyJ
n = nsur() (|9t+KP
f = 1 4..M *U
label 1
m" / o4
hx = fldx(f)/maxfield Aw$+Ew[8 2
hy = fldy(f)/maxfield Lvd es.0|
raytrace hx,hy,0,0 q5xF~SQGw2
format 10.4 w<&R| = 93
print 8vqx}2
print " X Field = ", fldx(f), .L@gq/x)
print " Y Field = ", fldy(f) z3Zo64V~7
print " X Chief = ",rayx(n), g^:
& Dh
print " Y Chief = ",rayy(n) 8AQ__&nT
xraymax = -9e9 Mj6
0?k
yraymax = -9e9 m gE
r+
xraymin = 9e9 %WF]mF T_
yraymin = 9e9 uL{CUt
xraytot = 0 2!Qg1h M
yraytot = 0 Fs( FI\^
numray = 0 BIh^b?:zU
numrayattempt = 0 LU $=j
px = -1 - delta p?2^JJpUb
label 2 ey@ccc*sZ9
px = px + delta 8I[=iU7]l
py = -1 - delta ]?%S0DO*
label 3 UQ# t &
py = py + delta ZM 16 ~k
rad = px*px + py*py XR_Gsb %l
if rad <= 0.9999999 *3\*GatJ
raytrace hx, hy, px, py $f?GD<}?7r
numrayattempt = numrayattempt+1 H1.ktG
if !rayv(n) **************************** oy-y Q Y X
numray = numray + 1 \q@Co42n\
x = rayx(n) 7 !dj&?
y = rayy(n) $0Ys{m
if (x < xraymin) then xraymin = x H<") )EJI
if (x > xraymax) then xraymax = x .*edaDi
if (y < yraymin) then yraymin = y K7R!E,oPg
if (y > yraymax) then yraymax = y 8]mRX~
xraytot = xraytot + x 6UI6E) g
yraytot = yraytot + y :%_h'9Qq
endif KM"BHaSkF
endif : T{VCw:*
if py < 1.0 then goto 3 1~Z
if px < 1.0 then goto 2 M`n0
q y
if numray 0t[ 1#!=k
format 14.8 .k$Yleg
print " X Centroid = ",xraytot/numray, cJf&R^[T
print " Y Centroid = ",yraytot/numray U1 `pY:P
print " X Middle = ",(xraymax+xraymin)/2, * cZ 7?
print " Y Middle = ",(yraymax+yraymin)/2 nDcH;_<;9a
format .0 a6@k* 9D>
print " ",numray, " out of ", numrayattempt," rays made it through." 0{
_6le]
else hBaF^AWW
print " No rays made it through!" Lr 9E02
endif \x:} |
f=f+1 m &yHtnt
if f<= nfld() then goto 1 Apj[z2nr
print [)?9|yY"`
print "All field positions done!" I:w+lchAMe
FORMAT 0.1 IwBO#HR~)
print "Elapsed time ", ETIM(), " seconds." 6q8PLyIp
