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············· D}=i
tu
O&1p2!Bk4
macro 正文：········· l@2`f#y1~<
! centroid.zpl yOm6HA``hT
! /]UN N~(
! Written by Kenneth Moore 9/1/92 X>YOo~yS5
! Added TIMER function 4/18/96 + Gs;3jC^
! J~ rC
TIMER #k]0[;1os
! YmF(o
! The delta controls how many rays will be traced. A S`PSFetC
! delta of .025 will trace a 80 x 80 grid in the pupil. 8TM=AV
! MjosA R
delta = .025 R1rfp;
! R3 =E?us!
print "This program computes the chief ray coordinates," @MVZy
print "centroid coordinates, and middle coordinates for" $B N+S D!
print "the primary wave spot at each field position." `o- <,
maxfield = maxf() !,WRXE&j
if maxfield == 0 then maxfield = 1 8i~'~/x
n = nsur() U-:Z ^+Y
f = 1 ^E,Uc K;
label 1 zm.sX~j
hx = fldx(f)/maxfield :D7!6}%
hy = fldy(f)/maxfield KV(W|~+ rM
raytrace hx,hy,0,0 u8\QhUk'G
format 10.4 nmAXU!t'
print , l"2MXD
print " X Field = ", fldx(f),
BNUf0;
print " Y Field = ", fldy(f) ~H."{
print " X Chief = ",rayx(n), *)sz]g|d
print " Y Chief = ",rayy(n) %5w) }|fw
xraymax = -9e9 )W#g@V)>
yraymax = -9e9 LxGh *7K-
xraymin = 9e9 Ue Tp,
yraymin = 9e9 Y& %0 eI!
xraytot = 0 6<O]_ HZ&
yraytot = 0 vK/Z9wR*05
numray = 0 TUCp mj
numrayattempt = 0 *38\&"s4_
px = -1 - delta X~b+LG/
label 2 :O=Vr]Y8K
px = px + delta 'KrkC A
py = -1 - delta k} 7)pJNj
label 3 Wx`IEPsVbk
py = py + delta M#,+ p8
rad = px*px + py*py { [#
if rad <= 0.9999999 !y0
O['7
raytrace hx, hy, px, py !I$RE?7eY
numrayattempt = numrayattempt+1 Ee| y[ y,
if !rayv(n) **************************** SpQ6A]M gm
numray = numray + 1 =v;@w$ #
x = rayx(n) $9$NX/P
y = rayy(n) S}yb~uc,
if (x < xraymin) then xraymin = x W{2 y*yqY
if (x > xraymax) then xraymax = x ZmF32 Ir
if (y < yraymin) then yraymin = y cE? J]5#^
if (y > yraymax) then yraymax = y * GnO&&m'B
xraytot = xraytot + x qN(; l&Q
yraytot = yraytot + y U{m:{'np(H
endif 6FAP *V;
endif 1EB`6_>y
if py < 1.0 then goto 3 bBL"F!.
if px < 1.0 then goto 2 R'U(]&e.j
if numray )Qp?LECrt
format 14.8 ru
L cu]
print " X Centroid = ",xraytot/numray, ^|z>NV5>
print " Y Centroid = ",yraytot/numray <#Dc(VhT
print " X Middle = ",(xraymax+xraymin)/2, /qr8
print " Y Middle = ",(yraymax+yraymin)/2 7 |A,GH
format .0 uLht;-`{n
print " ",numray, " out of ", numrayattempt," rays made it through." |M&/( 0
else 7?4>'
print " No rays made it through!" Je'$V%{E
endif RK,~mXA
f=f+1 @'QB rE
if f<= nfld() then goto 1 mEGMe@37
print iR9iI!+;N
print "All field positions done!" -(jcsqDk
FORMAT 0.1 E4{8 $:q=
print "Elapsed time ", ETIM(), " seconds." z K&`&("4C
