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············· C9S@v D+
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macro 正文：········· +kdyS WF
! centroid.zpl Uh.Zi3X6}6
! 1gO2C $
! Written by Kenneth Moore 9/1/92
IGX:H)&*
! Added TIMER function 4/18/96 bt+,0\Vg5
! 0h$GI "dR
TIMER h!&sNz X
! m8+(%>+7
! The delta controls how many rays will be traced. A 4"\ yf
! delta of .025 will trace a 80 x 80 grid in the pupil. T)7TyE|"2g
! V%HS\< $h
delta = .025 151tXSzLT
! F)$K
print "This program computes the chief ray coordinates," 'UM!*fk7C
print "centroid coordinates, and middle coordinates for" ghk5rl$
print "the primary wave spot at each field position." H'RL62!
maxfield = maxf() !rxp?V n -
if maxfield == 0 then maxfield = 1 ;)DzC c/
n = nsur() '!v c/Hw
f = 1 j_?cpm{~ml
label 1 zvv:dC/p<
hx = fldx(f)/maxfield Q"a2.9Eo
hy = fldy(f)/maxfield jj\ [7 O*
raytrace hx,hy,0,0 qUhRu>
format 10.4 c)C 5KaiPG
print wCZO9sU:6=
print " X Field = ", fldx(f), 1H:ea7YVU
print " Y Field = ", fldy(f) 8dT'xuch
print " X Chief = ",rayx(n), >', y
print " Y Chief = ",rayy(n) E(+T*
xraymax = -9e9 {g/wY%u=
yraymax = -9e9 o}8{Bh^
xraymin = 9e9
B{,
Bno
yraymin = 9e9 o%(bQV-T
xraytot = 0 TW`mxj_J2
yraytot = 0 j.-VJo)
numray = 0 O{KB0"s>i
numrayattempt = 0 g" t^r3
px = -1 - delta &jts:^N>
label 2 sz09+4h#
px = px + delta AfWl6a?T8:
py = -1 - delta Ph7pd
label 3 9rj('F & 1
py = py + delta 993d/z|DX
rad = px*px + py*py }F{=#Kqn^
if rad <= 0.9999999 R $b,h
raytrace hx, hy, px, py I"!' AI-
numrayattempt = numrayattempt+1 y ~#\#w {
if !rayv(n) **************************** ^/KfH &E
numray = numray + 1 l[n@/%2
x = rayx(n) R lg#z4m
y = rayy(n) iV)ac\
if (x < xraymin) then xraymin = x HY;oy(
if (x > xraymax) then xraymax = x '_Wt }{h
if (y < yraymin) then yraymin = y 'tWAu I
if (y > yraymax) then yraymax = y l=Wd ,$\
xraytot = xraytot + x <*@~n- R$
yraytot = yraytot + y Md9l+[@
endif NM L|"R;
endif }z'DWp=uN
if py < 1.0 then goto 3 Vq}r _#!Q
if px < 1.0 then goto 2 Z*bC#s?
if numray A o3HX
format 14.8 ^tE_LL+ji|
print " X Centroid = ",xraytot/numray, Qyj(L[K J
print " Y Centroid = ",yraytot/numray AUAI3K?
print " X Middle = ",(xraymax+xraymin)/2, &telCg:
print " Y Middle = ",(yraymax+yraymin)/2 ltEF:{mLe#
format .0 A^pW]r=Xtk
print " ",numray, " out of ", numrayattempt," rays made it through." N#Ag'i4HF
else Pf8u/?/
print " No rays made it through!" :o\5K2]:
endif <Zr FOb
f=f+1 %8Yyj{^!(
if f<= nfld() then goto 1 P0#`anUr1
print G.ud1,S#
print "All field positions done!" q z:]-A
FORMAT 0.1 I q,v
print "Elapsed time ", ETIM(), " seconds." } J;~P
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