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············· T|6jGZS^|W
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macro 正文：········· cZH-"
! centroid.zpl `Q+ (LBP
! I#m-g-J
! Written by Kenneth Moore 9/1/92 LVc4CE
f
! Added TIMER function 4/18/96 a^Tm u
! @o#!EfZyE
TIMER SfJA(v@E
! zrR`ecC(b
! The delta controls how many rays will be traced. A ?q(\=;Y
! delta of .025 will trace a 80 x 80 grid in the pupil. smdZxFl
! %7#-%{
delta = .025 0VckocF
! h@: TpE+N
print "This program computes the chief ray coordinates," .,7JAkB%t
print "centroid coordinates, and middle coordinates for" `Ja?fI'H-
print "the primary wave spot at each field position." CPVjmRUF|
maxfield = maxf() P~s$EJL*
if maxfield == 0 then maxfield = 1
%ObLWH'
n = nsur() 9R ;/*$
f = 1 *<E]E?
label 1 o;W`4S ^
hx = fldx(f)/maxfield #
altx=6'
hy = fldy(f)/maxfield |} {B 1A
raytrace hx,hy,0,0 B=>RH!&
format 10.4 aO@ 7O*
print GuGOeP V
print " X Field = ", fldx(f), '"?C4mbSl
print " Y Field = ", fldy(f) mNb ?*3\
print " X Chief = ",rayx(n), CT KG9 T
print " Y Chief = ",rayy(n) >N;F8v
xraymax = -9e9 o q4}3bQ
yraymax = -9e9 [q_`X~3
xraymin = 9e9 U\veOQ;mW
yraymin = 9e9 [zL7Q^~
xraytot = 0
s@z}YH
yraytot = 0 Vt zI9CD
numray = 0 |J+(:{ }~
numrayattempt = 0 !
iptT(2
px = -1 - delta rC.eyq,105
label 2 a-"k/P#
px = px + delta :Xn7Ha [f
py = -1 - delta {/X4(;~0
label 3 j4> a(
py = py + delta qw7@(R'"
rad = px*px + py*py +$ $ $
if rad <= 0.9999999 'WI^nZM
raytrace hx, hy, px, py Mmo6MZ^
numrayattempt = numrayattempt+1 >iOzl wmG
if !rayv(n) **************************** {&P
FXJ
numray = numray + 1 )J_\tv
x = rayx(n) QV h4
y = rayy(n) G
[:N0{v5
if (x < xraymin) then xraymin = x EyI}{6~F
if (x > xraymax) then xraymax = x cXR1grz
if (y < yraymin) then yraymin = y i.xXb [M+
if (y > yraymax) then yraymax = y &-czSt Q
xraytot = xraytot + x LAP 6U.m'd
yraytot = yraytot + y ?_oF :*~\
endif Dy]I8_
endif ~%/Wupf
if py < 1.0 then goto 3 m6M O W&
if px < 1.0 then goto 2 RP 2_l$
if numray .MVY B\6Q0
format 14.8 6vp *9
print " X Centroid = ",xraytot/numray, 8>7RxSF
print " Y Centroid = ",yraytot/numray +B' 8|5tPX
print " X Middle = ",(xraymax+xraymin)/2, g
^!C
print " Y Middle = ",(yraymax+yraymin)/2 '=E3[0W
format .0 K*IxUz (
print " ",numray, " out of ", numrayattempt," rays made it through." [L6w1b,
else o7TN,([W
print " No rays made it through!" l{:a1^[>y
endif cO \-
f=f+1 SR^_cpZoi
if f<= nfld() then goto 1 7QVuc!V
print )-Ej5'iHr
print "All field positions done!" sow d`I~
FORMAT 0.1 9Ew7A(BG_3
print "Elapsed time ", ETIM(), " seconds." 6AvHavA^Y
