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············· ;6ecrQMw&
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macro 正文：········· P^`duZ{T
! centroid.zpl 6]zd. W
! '})0!g<Y
! Written by Kenneth Moore 9/1/92 ?E%ELs_Dl
! Added TIMER function 4/18/96 [+ m?G4[
! G` fC/Le
TIMER l1U=f]
! D]a <4a 18
! The delta controls how many rays will be traced. A u]+~VT1C,3
! delta of .025 will trace a 80 x 80 grid in the pupil. ml|W~-6l
! [YrHA~=U
delta = .025 Rm1A>1a :
! obrl# (\P
print "This program computes the chief ray coordinates," mI*[>#q>
print "centroid coordinates, and middle coordinates for" &!aAO(g
print "the primary wave spot at each field position." [[d(jV=*
maxfield = maxf() l!}:|N Yh!
if maxfield == 0 then maxfield = 1 p
Dx-2:}
n = nsur() Ch$*Gm19Z
f = 1 4'4\ ,o
label 1 3kcTE&1^
hx = fldx(f)/maxfield CC\*?BKj"
hy = fldy(f)/maxfield n+lOb
raytrace hx,hy,0,0 /xGmg`g<#
format 10.4 I):!`R.,
print joKIrS0y
print " X Field = ", fldx(f), ~8"8w(CG*I
print " Y Field = ", fldy(f) G7--v,R1x
print " X Chief = ",rayx(n), P0H 6 mn *
print " Y Chief = ",rayy(n) <<=WY_m}
xraymax = -9e9 ydw)mT44K
yraymax = -9e9 ?pgG,=?
xraymin = 9e9 ;S 0Kh"A
yraymin = 9e9 [.RO'>2z
xraytot = 0 7\*FEjRM]
yraytot = 0 P =3RLL<l
numray = 0 MX4]Vpv
numrayattempt = 0 PP:(EN1
px = -1 - delta r]3'74j:
label 2 E*L iM5+I
px = px + delta N]KxAttt
py = -1 - delta _k8A$s<d
label 3 `n$5+a+
py = py + delta p.+ho~sC,.
rad = px*px + py*py $zB[B;-!$
if rad <= 0.9999999 S= _vv)6+4
raytrace hx, hy, px, py &>e-(4Xu
numrayattempt = numrayattempt+1 y Q#:J9HMJ
if !rayv(n) **************************** Og=*R6i
numray = numray + 1 =+ t^ f
x = rayx(n) ^c:Fy+fb
y = rayy(n) >pU:Gr
if (x < xraymin) then xraymin = x 6[ OzU2nB
if (x > xraymax) then xraymax = x |t; ~:A
if (y < yraymin) then yraymin = y
/'31w9
if (y > yraymax) then yraymax = y 6#IU*
xraytot = xraytot + x JQ4{` =,b
yraytot = yraytot + y &WN f
M+
endif %Y!Yvw^&P(
endif Or
!+._3i
if py < 1.0 then goto 3 U|g:`v7
if px < 1.0 then goto 2 `--TP
if numray 6N)!aT9eo
format 14.8 ?c0xRO% y
print " X Centroid = ",xraytot/numray, %W @v2
print " Y Centroid = ",yraytot/numray pABs!A`N
print " X Middle = ",(xraymax+xraymin)/2, ^ "J8r W6[
print " Y Middle = ",(yraymax+yraymin)/2 sP^R/z|Y
format .0 2 tal
print " ",numray, " out of ", numrayattempt," rays made it through." Sm~l:v0%
else a'!zG cT
print " No rays made it through!" 35tu>^_#V
endif gY@N~'f;"
f=f+1 UI>Y0O
if f<= nfld() then goto 1 ~I{n^ Q/a
print &ZL3{M
print "All field positions done!" w`q%#q Rk
FORMAT 0.1 H,N)4 ;F<c
print "Elapsed time ", ETIM(), " seconds." r\AyN=
y
