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············· 8*@{}O##
PCHspe9!y
macro 正文：········· Pk I+z_
! centroid.zpl ];4!0\ M
! |oke)w=gn
! Written by Kenneth Moore 9/1/92 as!a!1
! Added TIMER function 4/18/96 w3ni@'X8
! KMz! 4N
TIMER W.?/p ~
! pm ,xGo2
! The delta controls how many rays will be traced. A } ePl&-9T
! delta of .025 will trace a 80 x 80 grid in the pupil. &=BzsBh
! J
(?qk
delta = .025 j 7gw?,
! <y] 67:"<v
print "This program computes the chief ray coordinates," |Rz.Pt6
print "centroid coordinates, and middle coordinates for" {\(MMTQ
print "the primary wave spot at each field position." F{!pii5O9
maxfield = maxf() 8>,w8(Nt
if maxfield == 0 then maxfield = 1 5N;'CAk
n = nsur() a
\1QnCy
f = 1 ;_)~h$1%=
label 1 xBA"w:<
hx = fldx(f)/maxfield %z-*C'j5H
hy = fldy(f)/maxfield )/%5f{+}
raytrace hx,hy,0,0 NeG` D'
format 10.4 5Ec VW|(
print j *G: 8Lg
print " X Field = ", fldx(f), P .m@|w&.K
print " Y Field = ", fldy(f) ~}}<+ JEEO
print " X Chief = ",rayx(n), ^]nLE]M
print " Y Chief = ",rayy(n)
Rbf6/C
xraymax = -9e9 #% \0][Xf
yraymax = -9e9 ]*\MIz{56'
xraymin = 9e9 JiaR*3#
yraymin = 9e9 O*~z@"\
xraytot = 0 %7)TiT4V
yraytot = 0 2CO/K_Q
numray = 0 ]`|$ nU}v
numrayattempt = 0 3T F_$bd{
px = -1 - delta "mW'tm 1+
label 2 )*;Tt @'y
px = px + delta iVI&
py = -1 - delta %- 540V{q
label 3 #f2k*8"eAF
py = py + delta j)m U`b_
rad = px*px + py*py jU j\<aW
if rad <= 0.9999999 lD0-S0i
raytrace hx, hy, px, py :rVR{,pL
numrayattempt = numrayattempt+1 Ig `q[o
if !rayv(n) ****************************
dZ`Y>wH_
numray = numray + 1 OuTV74
x = rayx(n) p2Ep(0w,R5
y = rayy(n) |l;
Ot=C=
if (x < xraymin) then xraymin = x Nh.+woFq4
if (x > xraymax) then xraymax = x Xb%q9Z
if (y < yraymin) then yraymin = y A-CU%G9
if (y > yraymax) then yraymax = y C
e -ru)
xraytot = xraytot + x m4hkV>$d
yraytot = yraytot + y My8d%GfM
endif Yub}AuU`v
endif j%Au0k
if py < 1.0 then goto 3 yS
W$zA,
if px < 1.0 then goto 2 Q"XDxa'7"
if numray a|7C6#iz$
format 14.8 ;{sZDjev>
print " X Centroid = ",xraytot/numray, i-OD"5a`
print " Y Centroid = ",yraytot/numray 4H-eFs%5
print " X Middle = ",(xraymax+xraymin)/2, .*-8rOcc
print " Y Middle = ",(yraymax+yraymin)/2 [Km{6 L&
format .0 L7C ;l,ot
print " ",numray, " out of ", numrayattempt," rays made it through." 2<EV
iP9
else :2? g_
print " No rays made it through!" V ke<; k-
endif */;7Uv7
f=f+1 ttsR`R1.k
if f<= nfld() then goto 1 `q*[fd1u.
print k<< x}=
print "All field positions done!" %} `` :
FORMAT 0.1 9Y:I)^ek
print "Elapsed time ", ETIM(), " seconds." !/XNp QP
