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············· B hp-jq'!B
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macro 正文：········· i-6F:\;
! centroid.zpl [`rba'
! b+&% 1C
! Written by Kenneth Moore 9/1/92 - Ty*aov
! Added TIMER function 4/18/96 Y[K*57fs
! %
<q w
TIMER P)MDPI+~
! ZsOIH< }S
! The delta controls how many rays will be traced. A '-"/ =j&d[
! delta of .025 will trace a 80 x 80 grid in the pupil. #EsNeBu
! 0iwZT&O
delta = .025 K3x.RQQ-
! H
s"HID
print "This program computes the chief ray coordinates," Ou1J IxZ)|
print "centroid coordinates, and middle coordinates for" 8 '4S8DM
print "the primary wave spot at each field position." :kf`? u
maxfield = maxf() Wu_kx2h
if maxfield == 0 then maxfield = 1 ?`#/ 8PN
n = nsur() 30.@g[~
f = 1 eK!V
);
label 1 Y~(Md@!0S
hx = fldx(f)/maxfield FWHNj.r
hy = fldy(f)/maxfield ?Vdia:
raytrace hx,hy,0,0 o)2W`i &
format 10.4 2g>SHS@1>
print Oms. e
print " X Field = ", fldx(f), o17ekM L
print " Y Field = ", fldy(f) -cSP _1
print " X Chief = ",rayx(n), _Gjk;|Sx<I
print " Y Chief = ",rayy(n) p-/|mL
xraymax = -9e9 CCWg{*og
yraymax = -9e9 *?Kr*]dnLl
xraymin = 9e9 ^n"OL*ipG
yraymin = 9e9 tP2qK_\e=
xraytot = 0 Qe5U<3 {JZ
yraytot = 0 m: WyuU<
numray = 0 m$W <
numrayattempt = 0 t7 ?Zxq
px = -1 - delta eQD)$d_5
label 2 6^"=dn6K
px = px + delta 846$x$G4
py = -1 - delta q "<ac qK
label 3 Xp8]qH|K
py = py + delta .D: Z{|.1
rad = px*px + py*py '=G|Sq^aO
if rad <= 0.9999999 KB'qRnkc
raytrace hx, hy, px, py $d)ca9
numrayattempt = numrayattempt+1 cnFI
&,FM
if !rayv(n) **************************** 8qu2iPOcZ
numray = numray + 1 Tp-l^?O-p
x = rayx(n) |*'cF-lp6v
y = rayy(n) !>e5z|1
if (x < xraymin) then xraymin = x ,>eMG=C; g
if (x > xraymax) then xraymax = x krC{ ed
if (y < yraymin) then yraymin = y ~D5\O6mU-
if (y > yraymax) then yraymax = y k25WucQ
xraytot = xraytot + x =|% C u &
yraytot = yraytot + y C O2C{~Q5
endif JoN\]JL\,
endif !\"5rNy
if py < 1.0 then goto 3 bVL9vNK
if px < 1.0 then goto 2 bBS,-v N
if numray %d>=+Ds[
format 14.8 _&j}<K$- (
print " X Centroid = ",xraytot/numray, =R Ah|e
print " Y Centroid = ",yraytot/numray Zuw?58RE\
print " X Middle = ",(xraymax+xraymin)/2, )d$glI+
print " Y Middle = ",(yraymax+yraymin)/2 -R% <.]fJ
format .0 ni6{pK4Wqm
print " ",numray, " out of ", numrayattempt," rays made it through." ]"1`+q6i
else N\#MwLm
print " No rays made it through!" *hQTO=WF
endif g|<]B$yN#
f=f+1 @:U+9[
if f<= nfld() then goto 1 q*7zx_ o
print %ix)8+Eb
print "All field positions done!" }p!HT6 tZ
FORMAT 0.1 hlJq-*6'
print "Elapsed time ", ETIM(), " seconds." t7m>A-I
