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············· d3#
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macro 正文：········· ! 3O#'CV
! centroid.zpl #$QC2;/)F
! ?1Lzbou
! Written by Kenneth Moore 9/1/92 I_IDrS)O
! Added TIMER function 4/18/96 Ms. 1RCup
! vl<W`)'
TIMER |>(;gr/5(
! t3.;W/0_
! The delta controls how many rays will be traced. A O<Rm9tZ8
! delta of .025 will trace a 80 x 80 grid in the pupil. LoQm&3/
! R g 7 O
delta = .025 {i )k# `
! hTZaI *
print "This program computes the chief ray coordinates," y_:i'Ri.
print "centroid coordinates, and middle coordinates for" o })k@-oL
print "the primary wave spot at each field position." e.%`
tK3 J
maxfield = maxf() 6u`E {$
if maxfield == 0 then maxfield = 1 TpLlbsd
n = nsur() ^<#08L;
f = 1 7yLO<o?9w
label 1 K)c`G_%G
hx = fldx(f)/maxfield < ) L'h
hy = fldy(f)/maxfield +(*S@V$c
raytrace hx,hy,0,0 ][1 *.7-
format 10.4 }u0t i"V
print Cvr?%+)$M
print " X Field = ", fldx(f), )>$@cH
print " Y Field = ", fldy(f) lV/-jkR
print " X Chief = ",rayx(n), K'EGm #I
print " Y Chief = ",rayy(n) s_A<bW566F
xraymax = -9e9 sHx>UvN6
yraymax = -9e9 J fFOU!F\
xraymin = 9e9 `VT[YhO#}
yraymin = 9e9 y| *X
xraytot = 0 YoV^Y&:9<
yraytot = 0 a,3}
o:f
numray = 0 D/C)Rrq"a
numrayattempt = 0 o qa]iBO
px = -1 - delta g z-X4A"
label 2 KiU/N$ E
px = px + delta -NW7ncB|
py = -1 - delta m0+X 109
label 3 FMCX->}$
py = py + delta c= iv\hn
rad = px*px + py*py I;]Q}SUsm
if rad <= 0.9999999 m ?I$XAE
raytrace hx, hy, px, py x}t,v.:
numrayattempt = numrayattempt+1 &L[7jA'[J
if !rayv(n) **************************** s*<\ mwB
numray = numray + 1 5|> FM&
x = rayx(n) (he cvJ
y = rayy(n) j3`# v3
if (x < xraymin) then xraymin = x Nf(Np1?;c
if (x > xraymax) then xraymax = x dGf:0xE"
if (y < yraymin) then yraymin = y ##~";j
if (y > yraymax) then yraymax = y [EUp 4%Z #
xraytot = xraytot + x ,;LxFS5\
yraytot = yraytot + y B -XM(C j
endif bkfwsYZx
endif C'mYR3?m;
if py < 1.0 then goto 3 CPssk,q~C
if px < 1.0 then goto 2 / 4 P+
if numray 41f4zisZ
format 14.8 |F _ Z
print " X Centroid = ",xraytot/numray, ))Ws{
print " Y Centroid = ",yraytot/numray ZPHiR4fQli
print " X Middle = ",(xraymax+xraymin)/2, %a- *K u
print " Y Middle = ",(yraymax+yraymin)/2 34ij5bko_)
format .0 gFR9!=,/V%
print " ",numray, " out of ", numrayattempt," rays made it through." j{00iA}
else nX,2jT;@L
print " No rays made it through!" o G5 :]/F
endif d 1YE$
f=f+1 y{CyjYpz^
if f<= nfld() then goto 1 DU9A 3Z
print $2u^z=`b!%
print "All field positions done!" /5 rWcX
FORMAT 0.1 u~MD?!LV
print "Elapsed time ", ETIM(), " seconds." v0EF?$Wo
