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 LzZ}u?(
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macro 正文：········· ?X\ uzu
! centroid.zpl ? m9=Me
! -=n!k^?lK
! Written by Kenneth Moore 9/1/92 +Y2D @K?)
! Added TIMER function 4/18/96 9!0- ~,o
! ?T,a(m<i {
TIMER |+Z-' k~Q
! 3JD"* <zs
! The delta controls how many rays will be traced. A yr* ~?\
! delta of .025 will trace a 80 x 80 grid in the pupil. W"\+jHF"
! zm_8{Rta}
delta = .025 aCi)icn$
! ys :F
print "This program computes the chief ray coordinates," R%\<al$O
print "centroid coordinates, and middle coordinates for"
Y=H_U$
print "the primary wave spot at each field position." gc
b8eB ,
maxfield = maxf() E_P,>f
if maxfield == 0 then maxfield = 1 Hq&MePl[
n = nsur() 9|NF)~Q}'
f = 1 ')iyD5/4
label 1 %|ioNXMu
hx = fldx(f)/maxfield dnM.
hy = fldy(f)/maxfield l*Fp}d.
raytrace hx,hy,0,0 vg1E@rH|}
format 10.4 &'/bnN +R
print ]vw%J ^7:a
print " X Field = ", fldx(f), 7f*b5$+r
print " Y Field = ", fldy(f) @PK
1
print " X Chief = ",rayx(n), iAeq%N1(0
print " Y Chief = ",rayy(n) AbQ nx%$u
xraymax = -9e9 p
S|
yraymax = -9e9 J<9})
m
xraymin = 9e9 [<}W S}
.
yraymin = 9e9 Gs4t6+Al
xraytot = 0 feM(
yraytot = 0 Yf1%7+V35
numray = 0 9)n3f^,Oj*
numrayattempt = 0 9niffq )h
px = -1 - delta vq\L9$WJ
label 2 Wd7qpWItjQ
px = px + delta VkId6k:>6C
py = -1 - delta e5w0}/yW/
label 3 ]w]:9w
py = py + delta ACI.{`SrQ=
rad = px*px + py*py %][zn$aa|
if rad <= 0.9999999 dV^ck+
raytrace hx, hy, px, py SP vKq=,
numrayattempt = numrayattempt+1 +xU=7chA
if !rayv(n) **************************** <2LUq@Pg
numray = numray + 1 r
jnf30
x = rayx(n) gEmsPk,
y = rayy(n) 0&3zBL%Bo
if (x < xraymin) then xraymin = x %+(fdk-k+
if (x > xraymax) then xraymax = x +JB*1dz>8
if (y < yraymin) then yraymin = y I]Z"?T
if (y > yraymax) then yraymax = y oJc7a z
xraytot = xraytot + x 3 qDuF
yraytot = yraytot + y dd@
D
s
endif KPZqPtb;
endif qg*xdefQ%
if py < 1.0 then goto 3 ;Wn0-`_1,
if px < 1.0 then goto 2 aq9Ej]1b
if numray ApcE)mjpc
format 14.8 I@1VX5
print " X Centroid = ",xraytot/numray, /1hcw|cfC
print " Y Centroid = ",yraytot/numray #qEUGD `
print " X Middle = ",(xraymax+xraymin)/2, N` vPt?@
print " Y Middle = ",(yraymax+yraymin)/2 Pb7-pu5 X
format .0 )>pIAYCVP
print " ",numray, " out of ", numrayattempt," rays made it through." o KY0e&5
else J |8 u
print " No rays made it through!" V|4k=_-
endif FX~pjM
f=f+1 {!pYQ|#
if f<= nfld() then goto 1 Wa iM\h?=#
print (cp$poo
print "All field positions done!" .]; `
FORMAT 0.1 cd g &)
print "Elapsed time ", ETIM(), " seconds." zB6&),[,v
