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············· s&!a
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macro 正文：········· Nl(3Xqov
! centroid.zpl }XM(:|8J,
! q\527^Z M
! Written by Kenneth Moore 9/1/92 Mzw X>3x
! Added TIMER function 4/18/96 kd$D 3S ^{
! 9 v!1V,`j"
TIMER Km6YP !i
! ^Zy% fv,
! The delta controls how many rays will be traced. A _W'-+,
! delta of .025 will trace a 80 x 80 grid in the pupil. td3D=Y
! e2W".+B1
delta = .025 3J438M.ka
! a,#j =
print "This program computes the chief ray coordinates," {LQ#y/ H?
print "centroid coordinates, and middle coordinates for" A:9?ZI/X
print "the primary wave spot at each field position." ~ Pah oRS
maxfield = maxf() {Wu$YWE*sx
if maxfield == 0 then maxfield = 1 =+MPFhvg!
n = nsur() FzXJ]H
f = 1 A4<Uu~
label 1 :7?FF'u
hx = fldx(f)/maxfield 'xg
Lt (
hy = fldy(f)/maxfield p >t#@Eu|
raytrace hx,hy,0,0 ; Nj7qt
format 10.4 WYYa /,{9.
print "djw>|,N<
print " X Field = ", fldx(f), P &e\)Z|
print " Y Field = ", fldy(f) n%s]30Xs
print " X Chief = ",rayx(n), &;sP_ h
print " Y Chief = ",rayy(n) r[Hc>wB v
xraymax = -9e9 h"lv7;B$
yraymax = -9e9 y (pks$
xraymin = 9e9 58J}{Req
yraymin = 9e9 e?=^;v%r
xraytot = 0 P{+T< bk|
yraytot = 0 #@~+HC=
numray = 0 O ,h ;hQZ
numrayattempt = 0 |:<f-j7t~
px = -1 - delta SHo$9+
label 2 VsE9H]v
px = px + delta {_Rr 6
py = -1 - delta KOuCHqCfq
label 3 xJ)n4)
py = py + delta hL;(C) (
rad = px*px + py*py b4ONh%
if rad <= 0.9999999 ,1CIBFY
raytrace hx, hy, px, py 6U, O*WJ%e
numrayattempt = numrayattempt+1 "z=SO1
if !rayv(n) **************************** |! E) GahM
numray = numray + 1 u=7J /!H7^
x = rayx(n) !~D}/Q;#}\
y = rayy(n) zvH8^1yzG
if (x < xraymin) then xraymin = x $ ,}E
if (x > xraymax) then xraymax = x DOJ N2{IP
if (y < yraymin) then yraymin = y }n2M G
if (y > yraymax) then yraymax = y m~d]a$KQ5-
xraytot = xraytot + x EbE-}>7OO
yraytot = yraytot + y B1C-J/J
endif usCt#eZK
endif s<eb;Z2D
if py < 1.0 then goto 3 j; y#[ |
if px < 1.0 then goto 2 Vq? p|wy
if numray c> RFdc:U
format 14.8 Zk"eA'"\
print " X Centroid = ",xraytot/numray, =~H<Z LE+
print " Y Centroid = ",yraytot/numray u5 : q$P
print " X Middle = ",(xraymax+xraymin)/2, $m1z-i;/
print " Y Middle = ",(yraymax+yraymin)/2 g8xQ|px
format .0 lP@Ki5
print " ",numray, " out of ", numrayattempt," rays made it through." ?!cvf{a
else "4+ WZR]
print " No rays made it through!" Slher0.Y
endif -pGE]nwDL
f=f+1 @u]rWVy;\[
if f<= nfld() then goto 1 P5nO78
print 72y0/ FJ
print "All field positions done!" [@b&? b~K
FORMAT 0.1 ~r`9+b[9{
print "Elapsed time ", ETIM(), " seconds." D \s WZ
