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············· 5>ADw3z'
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macro 正文：········· a1g 6}ym\
! centroid.zpl Bn~\HW\Lh
! S9HBr
! Written by Kenneth Moore 9/1/92 1m>^{u
! Added TIMER function 4/18/96 Vl{~@G, @
! a{]g+tGH
TIMER 3:[!t%Yb
! 3z,v#2
! The delta controls how many rays will be traced. A ,4H;P/xsb
! delta of .025 will trace a 80 x 80 grid in the pupil. B*?ZE4`
! 2Vp>"
delta = .025 L w>-7)
! N@Xg5huO
print "This program computes the chief ray coordinates," ;W7 hc!
print "centroid coordinates, and middle coordinates for" owE<7TGPI?
print "the primary wave spot at each field position." aGPqh,<QD
maxfield = maxf() {UB%(E[Mr
if maxfield == 0 then maxfield = 1 $brKl 8P
n = nsur() ?VwK2w$&={
f = 1 9;=q=O/
label 1
MWBXs7 5I
hx = fldx(f)/maxfield MWM
+hk1fs
hy = fldy(f)/maxfield I+0c 8T(:
raytrace hx,hy,0,0 VR "u*
format 10.4 &oA ~
Tx
print X(IyvfC
print " X Field = ", fldx(f), j7f5|^/x3
print " Y Field = ", fldy(f) T`uDlo
print " X Chief = ",rayx(n), Jf2e<?`
print " Y Chief = ",rayy(n) $h,d?
.u6w
xraymax = -9e9 a;%I\w;2
yraymax = -9e9 >GgE,h
xraymin = 9e9 TZe+<~4*i%
yraymin = 9e9 sr\cVv")
xraytot = 0
R6 ;jY/*#
yraytot = 0 Ddb-@YD&+0
numray = 0 a_J b> }
numrayattempt = 0 L ${m/@9
px = -1 - delta 6;gLwOeOHY
label 2 Hoj8okP
px = px + delta sMP:sCRC
py = -1 - delta 6F(hY !}5
label 3
*,17x`1e
py = py + delta GLCAiSMz[
rad = px*px + py*py JRXRi*@
if rad <= 0.9999999 })P O7:
raytrace hx, hy, px, py
f ~q4{
numrayattempt = numrayattempt+1 E :)C p
if !rayv(n) **************************** F NC[59
numray = numray + 1 ypl G18
x = rayx(n) FI$XS G
y = rayy(n) ytiyF2Kp
if (x < xraymin) then xraymin = x ?_%u)S*g
if (x > xraymax) then xraymax = x d*2u}1Jo8
if (y < yraymin) then yraymin = y n M 8 [
if (y > yraymax) then yraymax = y oR#Ob#&
xraytot = xraytot + x B$?^wo
yraytot = yraytot + y > I^9:Q
endif s1 bU
endif FqZgdmwR
if py < 1.0 then goto 3 t"|DWC*
if px < 1.0 then goto 2
DkdL#sV
if numray ezUQ>
e
format 14.8 Z7z]2v3}c
print " X Centroid = ",xraytot/numray, Us=eq "eu
print " Y Centroid = ",yraytot/numray o_$&XNC_
print " X Middle = ",(xraymax+xraymin)/2, "}zt`3
print " Y Middle = ",(yraymax+yraymin)/2 +D`*\d1
format .0 4-^[%&>}
print " ",numray, " out of ", numrayattempt," rays made it through."
z)w-N
else Jzex]_:1~
print " No rays made it through!" vy9dAl
endif hqDqt"dKz
f=f+1 2 hq\n<
if f<= nfld() then goto 1 rt}^4IqL
print ? JXa~.dA
print "All field positions done!" X{Zm9T
FORMAT 0.1 W D.U"YI8y
print "Elapsed time ", ETIM(), " seconds." !0" nx{7.
