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············· 71FeDpe
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macro 正文：········· O@8pC+#`Z
! centroid.zpl vY6W| <s
! U IJx*
! Written by Kenneth Moore 9/1/92 %/"Oxi^G
! Added TIMER function 4/18/96 FHy76^h>e
! J}spiVM
TIMER >Dm8m[76
! [c K^+s)N
! The delta controls how many rays will be traced. A ]7sx;KFv
! delta of .025 will trace a 80 x 80 grid in the pupil. FD7H@L5
! :@
uIxa$[
delta = .025 <x%M3BTx
! $BN15x0/:~
print "This program computes the chief ray coordinates," k@!r#`j3
print "centroid coordinates, and middle coordinates for" }6RT,O g
print "the primary wave spot at each field position." /%x7+Rl\-^
maxfield = maxf() T*2C_oW
if maxfield == 0 then maxfield = 1 %:6?Y%`*[
n = nsur() ! U0z"
f = 1 e]+OO
g&
label 1 3EFD%9 n
hx = fldx(f)/maxfield iCG`3(xL
hy = fldy(f)/maxfield ?4t-caK^u
raytrace hx,hy,0,0 2f, B$-#
format 10.4 8"'x)y
print UP1?5Q=H]Q
print " X Field = ", fldx(f), d<p 2/ aA
print " Y Field = ", fldy(f) Y8s;w!/
print " X Chief = ",rayx(n), 4 (?MUc
print " Y Chief = ",rayy(n) j28 _Hh T
xraymax = -9e9 OTvROJP
yraymax = -9e9 cH`^D?#se
xraymin = 9e9 hAR?
t5c
yraymin = 9e9 ZwI
1* f
xraytot = 0 GrEs1M1]*
yraytot = 0 dZ2 %S''\
numray = 0 :1fagaPg
numrayattempt = 0 =6nD0i 9+
px = -1 - delta #mc!Wt 10
label 2 {g F0Xm%
px = px + delta y%B X ]~
py = -1 - delta B:oF;~d/,
label 3 N{a kg90
py = py + delta MOz}Q1`a
rad = px*px + py*py GKtS6$1d#
if rad <= 0.9999999 `"y`AY/N
raytrace hx, hy, px, py mMw;0/n
numrayattempt = numrayattempt+1 V 2zn U
if !rayv(n) **************************** +H'\3^C-
numray = numray + 1 a<Uqyilm
x = rayx(n) QX0 Y>&$ )
y = rayy(n) M]_E
if (x < xraymin) then xraymin = x )qM|3],
if (x > xraymax) then xraymax = x 6v z1*\:H~
if (y < yraymin) then yraymin = y -f>'RI95>
if (y > yraymax) then yraymax = y e1 a*'T$z
xraytot = xraytot + x tm)*2lH6
yraytot = yraytot + y _vYzF+
endif 0Qd%iP)6
endif `| 9K u
if py < 1.0 then goto 3 1 M5 -pZ[D
if px < 1.0 then goto 2 =& U`9q N
if numray z]#hWfM4B:
format 14.8 >]$aoA#
print " X Centroid = ",xraytot/numray, ijZ> :B2:
print " Y Centroid = ",yraytot/numray `.BR= ['O
print " X Middle = ",(xraymax+xraymin)/2, %`\]Y']R
print " Y Middle = ",(yraymax+yraymin)/2 _vrWj<wyf
format .0 i ^|@"+
print " ",numray, " out of ", numrayattempt," rays made it through." gbGTG(:1S
else vjK, I9
print " No rays made it through!" Vewzo 1G 2
endif gg]~2f
f=f+1 " bX4Q4Dq
if f<= nfld() then goto 1 [&VxaJ("3
print TlPVHJyt
print "All field positions done!" K5flit4-
FORMAT 0.1 9YC&&0 C@
print "Elapsed time ", ETIM(), " seconds." rihlae5Kz
