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············· zfA
GtT <
jszK7$]^
macro 正文：········· d5`3wd]]'v
! centroid.zpl f+_h !j
! FRu]kZv2
! Written by Kenneth Moore 9/1/92 g%[c<l 9
! Added TIMER function 4/18/96 ` Ag{)
! 7!WA)@6
TIMER 2-N ' ya
! )3Z ^h<"j
! The delta controls how many rays will be traced. A (Qo I<j""
! delta of .025 will trace a 80 x 80 grid in the pupil. aJ") <_+
! 6 Orum/|h
delta = .025 %a+ mk
E
! !K
f#@0E..
print "This program computes the chief ray coordinates," 4%nE*H%
print "centroid coordinates, and middle coordinates for" R_XR4)(<
print "the primary wave spot at each field position." l
vMlL5t
maxfield = maxf() *!s; "U
if maxfield == 0 then maxfield = 1 /1mW|O>0
n = nsur() uN([*'0Cg
f = 1 9RN-suE[
label 1 Od4E x;F
hx = fldx(f)/maxfield FC i U
hy = fldy(f)/maxfield N , 8/Y
raytrace hx,hy,0,0 ( +pLA"xq
format 10.4 26&'X+n&
print +_X zmjnDd
print " X Field = ", fldx(f), <Ln1pV~k
print " Y Field = ", fldy(f) u/cg|]x&T
print " X Chief = ",rayx(n), = C4
print " Y Chief = ",rayy(n) <:SZAAoIV
xraymax = -9e9 -gSUjP
yraymax = -9e9 C{gyj}5
xraymin = 9e9 I!e} )Y
yraymin = 9e9 qlL`jWJ
xraytot = 0 MrZh09y
yraytot = 0 A C>`'Gx
numray = 0 8"sb;
numrayattempt = 0 z!l.:F
px = -1 - delta Vn*tp bz
label 2 y W$0\E6<r
px = px + delta ,lZB96r0
py = -1 - delta xx[9~z=d
label 3 yE}}c{hSn
py = py + delta GB$;n?
rad = px*px + py*py $ s9Vrw0Z
if rad <= 0.9999999 dZi "$ g
raytrace hx, hy, px, py C:PMewn
numrayattempt = numrayattempt+1 kS bu]AB
if !rayv(n) **************************** q
Y#n'&
numray = numray + 1 ?b(=1S\E'^
x = rayx(n) anXc|
y = rayy(n) j#cYS*^H
if (x < xraymin) then xraymin = x xuq v 6b.
if (x > xraymax) then xraymax = x 9 FB19
if (y < yraymin) then yraymin = y zuUW|r
if (y > yraymax) then yraymax = y W[Ls|<Q
xraytot = xraytot + x N<~t3/Nm
yraytot = yraytot + y XUz3*rfs
endif q@[Qj Gj@
endif z^'gx@YD*v
if py < 1.0 then goto 3 Z'"tB/ =W
if px < 1.0 then goto 2 !\7!3$w'8,
if numray |Y ?H A&
format 14.8 BO ;6
u^[
print " X Centroid = ",xraytot/numray, 3j\1S1
print " Y Centroid = ",yraytot/numray wK?vPS
print " X Middle = ",(xraymax+xraymin)/2, r>o63Q:
print " Y Middle = ",(yraymax+yraymin)/2 5`~PR
:dN
format .0 HMSO=)@+
print " ",numray, " out of ", numrayattempt," rays made it through." 6}d.5^7lr
else 0cj> mj1M
print " No rays made it through!"
/;oX)]W
endif Xu%'Z".>:
f=f+1 wOU_*uY@6'
if f<= nfld() then goto 1 |y (Q
print |5lk9<z
print "All field positions done!" <g"{Wv: h
FORMAT 0.1 >CHrg]9
print "Elapsed time ", ETIM(), " seconds." sS*3=Yh
