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············· hRK/T7v
m+ lvl
macro 正文：········· _Em.
! centroid.zpl X22[tqg;&
! yF"1#{*y
! Written by Kenneth Moore 9/1/92 %?p1d!
! Added TIMER function 4/18/96 O"F_*
! J2 'Nd'
TIMER |Z=^`J
! [%77bv85.G
! The delta controls how many rays will be traced. A A^)?Wt%*
! delta of .025 will trace a 80 x 80 grid in the pupil. a{
?`t|
! L{h%f4Du#
delta = .025 %F-ZN ^R
! m^GJuP LW
print "This program computes the chief ray coordinates," F.w 5S!5Q
print "centroid coordinates, and middle coordinates for" Kfh|
print "the primary wave spot at each field position." o]; [R
maxfield = maxf() sB c
(gr
if maxfield == 0 then maxfield = 1 =8; {\
n = nsur() o1FF"tLkN
f = 1 ?kB2iU_f+
label 1 \E% 'Y
hx = fldx(f)/maxfield % l ,,_:7{
hy = fldy(f)/maxfield p; tVn{u
raytrace hx,hy,0,0 CS==A57I
format 10.4 E#u l IgD
print w8Sp <6*
print " X Field = ", fldx(f), IHJ=i-
print " Y Field = ", fldy(f) 1@QZnF5 [
print " X Chief = ",rayx(n), <;#~l*
print " Y Chief = ",rayy(n) 0},PJ$8x
xraymax = -9e9 x)rM/Kq
yraymax = -9e9 ReM=eS
xraymin = 9e9 ( UU(:/
yraymin = 9e9 L:1^Kxg
xraytot = 0 Y6Lf@}2(i
yraytot = 0 XVv K2(
numray = 0 RV5n,J
numrayattempt = 0 Cb9;QzBVA#
px = -1 - delta 2Fq<*pxAY
label 2 4*e0 hWp
px = px + delta D (h18
py = -1 - delta pBETA'fY
label 3 ~[\_N \rm
py = py + delta 7tcPwCc{
rad = px*px + py*py Lz:(6`S
if rad <= 0.9999999 ~Uxsn@nLr
raytrace hx, hy, px, py " e}3:U5n
numrayattempt = numrayattempt+1 .h>8@5/s
if !rayv(n) **************************** bZ|FnY}FB
numray = numray + 1 [$ejp>'Ud
x = rayx(n) sI K;x]Q)
y = rayy(n) 1$%V{4bJ
if (x < xraymin) then xraymin = x J,AR5@)1
if (x > xraymax) then xraymax = x > 3 &: 5
if (y < yraymin) then yraymin = y .R9IL-3fO
if (y > yraymax) then yraymax = y %Mk0QKzUo
xraytot = xraytot + x |m80]@>
yraytot = yraytot + y v7DE
endif V( -mD
endif *7h!w!LN~
if py < 1.0 then goto 3 4*'pl.rb>
if px < 1.0 then goto 2 hED=u/ql[
if numray
AiK
format 14.8 w Axrc+
print " X Centroid = ",xraytot/numray, aEW WF N
print " Y Centroid = ",yraytot/numray hrhb!0
print " X Middle = ",(xraymax+xraymin)/2, '*?WU_L(g
print " Y Middle = ",(yraymax+yraymin)/2 N9vP7
format .0 S p^9& ^
print " ",numray, " out of ", numrayattempt," rays made it through." 9\]^|?zQ`
else 4qY UoCR&
print " No rays made it through!" v0YG,)_
endif e}.^Tiwd]
f=f+1 hWT[L.>k
if f<= nfld() then goto 1 r%.do;5
print E5N{j4\F
print "All field positions done!" 7
<Q5;J&;
FORMAT 0.1 ! ykx^z
print "Elapsed time ", ETIM(), " seconds." bf!M#QOk?
