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············· 08+cN T
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macro 正文：········· tJ_6d H8Y
! centroid.zpl MHm=X8eg
! f4h|Nn%;
! Written by Kenneth Moore 9/1/92 FK^JCs^
! Added TIMER function 4/18/96 aLWNq e&1
! |3a1hCxt
TIMER 74h[ YyVi
! us_o{
! The delta controls how many rays will be traced. A T[z}^"
! delta of .025 will trace a 80 x 80 grid in the pupil. S m%\,/3
! {D6E@a
delta = .025 vLc7RL
! v}G pw6
print "This program computes the chief ray coordinates," HkP')= sa
print "centroid coordinates, and middle coordinates for" 6c?;-5.
print "the primary wave spot at each field position." w6P Kr^
maxfield = maxf() o)(N*tC
if maxfield == 0 then maxfield = 1 L$Uy
n = nsur() &V$qIvN$
f = 1 _4#8o\
label 1 {x-iBg9#l2
hx = fldx(f)/maxfield s y ]k
hy = fldy(f)/maxfield Q?Y\WD
raytrace hx,hy,0,0 &8##)tS(y
format 10.4 pZYcCc>6&
print tiTJ.uz6
print " X Field = ", fldx(f), M<A jtDF%
print " Y Field = ", fldy(f) WeqE 9@V
print " X Chief = ",rayx(n), |qn`z-
print " Y Chief = ",rayy(n) 3k#?E]'
xraymax = -9e9 [YGPcGw
yraymax = -9e9 cJ}J4?
xraymin = 9e9 ir72fSe
yraymin = 9e9 pBd_Ba N
xraytot = 0 'V*ixK8R0
yraytot = 0 C9,|G7~*q
numray = 0 c Nhy.Z~D
numrayattempt = 0 )@IDmz>
px = -1 - delta xb N)z
label 2 z
?3G`
px = px + delta MR) *Xh
py = -1 - delta k2"DFXsv
label 3 h~!KNF*XW
py = py + delta hPb erc2
rad = px*px + py*py 0ESxsba
if rad <= 0.9999999 *an^
0
raytrace hx, hy, px, py 5 6|o6-a^
numrayattempt = numrayattempt+1 JlM0]__v
if !rayv(n) **************************** ~ x!"(
numray = numray + 1 s>RtCw3,
x = rayx(n) d){o#@
y = rayy(n) +b9gP\Hke
if (x < xraymin) then xraymin = x oP qWL9]
if (x > xraymax) then xraymax = x p4Wy2.&Q
if (y < yraymin) then yraymin = y z'W8t|m}Pb
if (y > yraymax) then yraymax = y l/wdu(
xraytot = xraytot + x ?!uj8&yyf
yraytot = yraytot + y )1EF7.|
endif by:"aDGK.
endif 65 P*Gu?
if py < 1.0 then goto 3 ! H^,p$`[i
if px < 1.0 then goto 2 rt _k }
if numray aX)k (*|
format 14.8 fcim4d fP
print " X Centroid = ",xraytot/numray, Hv>16W$_
print " Y Centroid = ",yraytot/numray cC Ny W2'
print " X Middle = ",(xraymax+xraymin)/2, r?:zKj8/u
print " Y Middle = ",(yraymax+yraymin)/2 (= T%eJ61
format .0 z;V Ai=m
q
print " ",numray, " out of ", numrayattempt," rays made it through." b_'VWd:am
else 'l&),]|$)
print " No rays made it through!" -MCDX^ >P
endif
w~3~:w$
f=f+1 FC +}gJ(q
if f<= nfld() then goto 1 Fm| h3.`V
print eB] R<a60
print "All field positions done!" $*KM%M6
FORMAT 0.1 "1- gMob
print "Elapsed time ", ETIM(), " seconds." +s`HTf
