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············· IQw
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macro 正文：········· x'2 ,s E
! centroid.zpl D#d8 ^U
! nEd
M_JPv
! Written by Kenneth Moore 9/1/92 eyf4M;goz}
! Added TIMER function 4/18/96 lj EB
! chO'Q+pw
TIMER 'je8k7`VA
! ?..i 4
! The delta controls how many rays will be traced. A eA1k)gjE
! delta of .025 will trace a 80 x 80 grid in the pupil. (L
y%{ Y
! jy!f{dsC
delta = .025 cB ab2/
! L{2b0Zh'
print "This program computes the chief ray coordinates," c>S"`r
print "centroid coordinates, and middle coordinates for" @1<o msl
print "the primary wave spot at each field position." dv^e 9b|
maxfield = maxf() 6;
5)/ q
if maxfield == 0 then maxfield = 1 nY{i>Y
n = nsur() Lf^5Eo/
5A
f = 1 Nt
zq"ces)
label 1 N
b3I%r
hx = fldx(f)/maxfield ~VqFZasV
hy = fldy(f)/maxfield H_ ?;h-Y]
raytrace hx,hy,0,0 FgOUe
format 10.4 068WlF cWV
print N 8:"&WM
print " X Field = ", fldx(f), *|];f#^9
print " Y Field = ", fldy(f) $R%+*
print " X Chief = ",rayx(n), #Rin*HL##
print " Y Chief = ",rayy(n) k40Ep(M}
xraymax = -9e9 BgJkrv7 ~
yraymax = -9e9 K08 iPIkQ
xraymin = 9e9 W
il{FcHY
yraymin = 9e9 +P [88!
xraytot = 0 ]`zjRRd
yraytot = 0 < Gr9^C
numray = 0 xw 4ey <"I
numrayattempt = 0 cs K>iN
px = -1 - delta
Z $!C=
label 2 M4TrnZ1D}
px = px + delta PM~bM3Ei
py = -1 - delta #04{(G|~+E
label 3 "?i>p z
py = py + delta 0=OD?48<
rad = px*px + py*py M0O>Ljo4RN
if rad <= 0.9999999 lir &e
9I+
raytrace hx, hy, px, py 'rS'B.D
numrayattempt = numrayattempt+1 )UR1E ?'
if !rayv(n) **************************** R'G'&H{N
numray = numray + 1 C0\%QXu
x = rayx(n) |yLk5e~@-
y = rayy(n) gWFL
if (x < xraymin) then xraymin = x \HCOR, `T
if (x > xraymax) then xraymax = x ` 6rrXU6|
if (y < yraymin) then yraymin = y uyL72( $
if (y > yraymax) then yraymax = y
LsQ s:O
xraytot = xraytot + x 7 }<Sg
yraytot = yraytot + y M'^(3#ZU
endif mYj f5
endif jo_o` j
if py < 1.0 then goto 3 |xq} '.C
if px < 1.0 then goto 2 Jf_]Z
if numray xttYn ]T
format 14.8 ha_@Yqg h
print " X Centroid = ",xraytot/numray, =f o4x|{O
print " Y Centroid = ",yraytot/numray kfVZ=`p}
print " X Middle = ",(xraymax+xraymin)/2, w'd.;
print " Y Middle = ",(yraymax+yraymin)/2 6/|U
format .0 ;)gLjF/F7
print " ",numray, " out of ", numrayattempt," rays made it through."
q 4_**
else m DZ=Due1
print " No rays made it through!" lNHNL
a>W
endif {b(rm,%
f=f+1 9^oo-,Su_
if f<= nfld() then goto 1 ,SAb C*nq
print f b /qoZ
print "All field positions done!" l#Yx
TY
FORMAT 0.1 #De(*&y2
print "Elapsed time ", ETIM(), " seconds." ^Ss<X}es-
